/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d47b94137d5c7dd60722882962a90fb345e61909-d47b941 [2021-05-03 21:11:44,598 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-03 21:11:44,601 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-03 21:11:44,636 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-05-03 21:11:44,696 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-DelaySleepPersistent-NoLbe.epf [2021-05-03 21:11:44,735 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-03 21:11:44,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-03 21:11:44,736 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-05-03 21:11:44,736 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-05-03 21:11:44,738 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-03 21:11:44,738 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-03 21:11:44,738 INFO L138 SettingsManager]: * Use SBE=true [2021-05-03 21:11:44,739 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-03 21:11:44,739 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-03 21:11:44,739 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-03 21:11:44,740 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-03 21:11:44,740 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-03 21:11:44,740 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-03 21:11:44,740 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-03 21:11:44,740 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-03 21:11:44,740 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-03 21:11:44,740 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-03 21:11:44,741 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-03 21:11:44,741 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-03 21:11:44,741 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-03 21:11:44,741 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-03 21:11:44,741 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-03 21:11:44,741 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-03 21:11:44,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-03 21:11:44,741 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-03 21:11:44,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-03 21:11:44,742 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-03 21:11:44,742 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-03 21:11:44,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-03 21:11:44,742 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-05-03 21:11:44,742 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-05-03 21:11:44,742 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-03 21:11:44,742 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_DELAY_SET [2021-05-03 21:11:44,743 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-03 21:11:45,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-03 21:11:45,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-03 21:11:45,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-03 21:11:45,105 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-05-03 21:11:45,106 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-05-03 21:11:45,107 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-3.wvr.bpl [2021-05-03 21:11:45,107 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-3.wvr.bpl' [2021-05-03 21:11:45,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-03 21:11:45,315 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-05-03 21:11:45,316 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-05-03 21:11:45,316 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-05-03 21:11:45,316 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-05-03 21:11:45,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:11:45" (1/1) ... [2021-05-03 21:11:45,331 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:11:45" (1/1) ... [2021-05-03 21:11:45,336 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-05-03 21:11:45,338 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-03 21:11:45,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-03 21:11:45,338 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-03 21:11:45,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:11:45" (1/1) ... [2021-05-03 21:11:45,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:11:45" (1/1) ... [2021-05-03 21:11:45,345 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:11:45" (1/1) ... [2021-05-03 21:11:45,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:11:45" (1/1) ... [2021-05-03 21:11:45,347 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:11:45" (1/1) ... [2021-05-03 21:11:45,349 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:11:45" (1/1) ... [2021-05-03 21:11:45,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:11:45" (1/1) ... [2021-05-03 21:11:45,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-03 21:11:45,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-03 21:11:45,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-03 21:11:45,351 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-03 21:11:45,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:11:45" (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 [2021-05-03 21:11:45,429 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-05-03 21:11:45,429 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-05-03 21:11:45,429 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-05-03 21:11:45,430 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-05-03 21:11:45,430 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-05-03 21:11:45,430 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-05-03 21:11:45,430 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-05-03 21:11:45,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-03 21:11:45,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-03 21:11:45,431 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-05-03 21:11:45,752 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-03 21:11:45,753 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-05-03 21:11:45,753 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-05-03 21:11:45,754 INFO L202 PluginConnector]: Adding new model unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 09:11:45 BoogieIcfgContainer [2021-05-03 21:11:45,754 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-03 21:11:45,756 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-03 21:11:45,756 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-03 21:11:45,766 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-03 21:11:45,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:11:45" (1/2) ... [2021-05-03 21:11:45,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@588a3b68 and model type unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 09:11:45, skipping insertion in model container [2021-05-03 21:11:45,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 09:11:45" (2/2) ... [2021-05-03 21:11:45,768 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-3.wvr.bpl [2021-05-03 21:11:45,773 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-05-03 21:11:45,773 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-03 21:11:45,777 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-03 21:11:45,778 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-05-03 21:11:45,824 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-05-03 21:11:45,840 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 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 [2021-05-03 21:11:45,906 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-03 21:11:45,906 INFO L377 AbstractCegarLoop]: Hoare is true [2021-05-03 21:11:45,906 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-03 21:11:45,906 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-03 21:11:45,907 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-03 21:11:45,907 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-03 21:11:45,907 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-03 21:11:45,907 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-03 21:11:46,059 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 21:11:46,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 21:11:46,071 INFO L82 PathProgramCache]: Analyzing trace with hash -1855568491, now seen corresponding path program 1 times [2021-05-03 21:11:46,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 21:11:46,078 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283928582] [2021-05-03 21:11:46,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 21:11:46,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:11:46,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:11:46,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283928582] [2021-05-03 21:11:46,275 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-03 21:11:46,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-03 21:11:46,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801075609] [2021-05-03 21:11:46,279 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-03 21:11:46,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 21:11:46,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-03 21:11:46,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-05-03 21:11:46,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:46,298 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 21:11:46,300 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 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) [2021-05-03 21:11:46,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:46,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:46,358 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-03 21:11:46,358 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 21:11:46,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 21:11:46,360 INFO L82 PathProgramCache]: Analyzing trace with hash 115532281, now seen corresponding path program 1 times [2021-05-03 21:11:46,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 21:11:46,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59999592] [2021-05-03 21:11:46,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 21:11:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:11:46,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:11:46,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59999592] [2021-05-03 21:11:46,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [201410655] [2021-05-03 21:11:46,544 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 [2021-05-03 21:11:46,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:11:46,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 16 conjunts are in the unsatisfiable core [2021-05-03 21:11:46,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 21:11:46,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-05-03 21:11:46,804 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 21:11:46,806 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 21:11:46,807 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 21:11:46,807 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2021-05-03 21:11:46,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:11:46,835 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 21:11:46,836 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-05-03 21:11:46,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872424024] [2021-05-03 21:11:46,837 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-05-03 21:11:46,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 21:11:46,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-05-03 21:11:46,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-05-03 21:11:46,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:46,839 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 21:11:46,839 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 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) [2021-05-03 21:11:46,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:46,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:46,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:46,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:47,113 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 21:11:47,113 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 21:11:47,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 21:11:47,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1090114069, now seen corresponding path program 2 times [2021-05-03 21:11:47,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 21:11:47,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635047041] [2021-05-03 21:11:47,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 21:11:47,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:11:47,244 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:11:47,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635047041] [2021-05-03 21:11:47,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [301399114] [2021-05-03 21:11:47,245 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 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 [2021-05-03 21:11:47,264 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-03 21:11:47,265 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 21:11:47,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 16 conjunts are in the unsatisfiable core [2021-05-03 21:11:47,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 21:11:47,453 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 21:11:47,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 18 [2021-05-03 21:11:47,456 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 21:11:47,470 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 21:11:47,471 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 21:11:47,471 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-05-03 21:11:47,477 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:11:47,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 21:11:47,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-05-03 21:11:47,478 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44362736] [2021-05-03 21:11:47,478 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-05-03 21:11:47,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 21:11:47,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-05-03 21:11:47,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-05-03 21:11:47,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:47,479 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 21:11:47,479 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 8 states have internal predecessors, (20), 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) [2021-05-03 21:11:47,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:47,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:47,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:47,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:47,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:47,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:47,768 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 21:11:47,769 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 21:11:47,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 21:11:47,769 INFO L82 PathProgramCache]: Analyzing trace with hash 1237378425, now seen corresponding path program 3 times [2021-05-03 21:11:47,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 21:11:47,769 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87591405] [2021-05-03 21:11:47,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 21:11:47,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:11:47,811 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:11:47,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87591405] [2021-05-03 21:11:47,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [435446500] [2021-05-03 21:11:47,812 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 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 [2021-05-03 21:11:47,839 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-05-03 21:11:47,839 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 21:11:47,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 5 conjunts are in the unsatisfiable core [2021-05-03 21:11:47,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 21:11:47,914 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:11:47,914 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 21:11:47,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-05-03 21:11:47,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545754936] [2021-05-03 21:11:47,915 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-05-03 21:11:47,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 21:11:47,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-05-03 21:11:47,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-05-03 21:11:47,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:47,916 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 21:11:47,916 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 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) [2021-05-03 21:11:47,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:47,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:47,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:47,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:47,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:47,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:47,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:47,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 21:11:48,176 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 21:11:48,177 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 21:11:48,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 21:11:48,178 INFO L82 PathProgramCache]: Analyzing trace with hash -269349066, now seen corresponding path program 1 times [2021-05-03 21:11:48,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 21:11:48,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328847863] [2021-05-03 21:11:48,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 21:11:48,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:11:48,276 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:11:48,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328847863] [2021-05-03 21:11:48,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450113702] [2021-05-03 21:11:48,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-05-03 21:11:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:11:48,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 23 conjunts are in the unsatisfiable core [2021-05-03 21:11:48,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 21:11:48,571 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 21:11:48,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-05-03 21:11:48,613 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 21:11:48,614 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 21:11:48,614 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 21:11:48,615 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-05-03 21:11:48,620 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:11:48,621 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 21:11:48,621 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-05-03 21:11:48,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813134434] [2021-05-03 21:11:48,621 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-05-03 21:11:48,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 21:11:48,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-05-03 21:11:48,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-05-03 21:11:48,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:48,622 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 21:11:48,623 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 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) [2021-05-03 21:11:48,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:48,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:48,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:48,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 21:11:48,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:48,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:48,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:48,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:48,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 21:11:48,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:48,984 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 21:11:48,985 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 21:11:48,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 21:11:48,986 INFO L82 PathProgramCache]: Analyzing trace with hash -482223718, now seen corresponding path program 2 times [2021-05-03 21:11:48,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 21:11:48,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193534946] [2021-05-03 21:11:48,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 21:11:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:11:49,135 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:11:49,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193534946] [2021-05-03 21:11:49,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [847726878] [2021-05-03 21:11:49,136 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 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 [2021-05-03 21:11:49,159 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-03 21:11:49,159 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 21:11:49,173 WARN L261 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 32 conjunts are in the unsatisfiable core [2021-05-03 21:11:49,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 21:11:49,419 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 21:11:49,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-05-03 21:11:49,490 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 21:11:49,492 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 21:11:49,492 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 21:11:49,492 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-05-03 21:11:49,498 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:11:49,498 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 21:11:49,498 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-05-03 21:11:49,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114605124] [2021-05-03 21:11:49,498 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-05-03 21:11:49,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 21:11:49,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-05-03 21:11:49,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2021-05-03 21:11:49,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:49,499 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 21:11:49,499 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 16 states have internal predecessors, (26), 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) [2021-05-03 21:11:49,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:49,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:49,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:49,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 21:11:49,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:49,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:49,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:49,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:49,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:49,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 21:11:49,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:49,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:49,820 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 21:11:49,821 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 21:11:49,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 21:11:49,821 INFO L82 PathProgramCache]: Analyzing trace with hash 1508596662, now seen corresponding path program 3 times [2021-05-03 21:11:49,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 21:11:49,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458308545] [2021-05-03 21:11:49,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 21:11:49,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:11:49,965 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:11:49,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458308545] [2021-05-03 21:11:49,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079881945] [2021-05-03 21:11:49,965 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-05-03 21:11:50,008 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-05-03 21:11:50,010 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 21:11:50,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 28 conjunts are in the unsatisfiable core Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 21:11:50,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 21:11:50,242 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 21:11:50,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 27 treesize of output 99 [2021-05-03 21:11:50,346 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 21:11:50,348 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 21:11:50,348 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 21:11:50,348 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-05-03 21:11:50,354 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:11:50,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 21:11:50,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-05-03 21:11:50,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352704785] [2021-05-03 21:11:50,355 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-05-03 21:11:50,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 21:11:50,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-05-03 21:11:50,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-05-03 21:11:50,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:50,356 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 21:11:50,356 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 16 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 21:11:50,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:50,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:50,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:50,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 21:11:50,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:50,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:50,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:50,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:50,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:50,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:50,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 21:11:50,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:50,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:50,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:50,673 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-05-03 21:11:50,673 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 21:11:50,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 21:11:50,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1200480998, now seen corresponding path program 4 times [2021-05-03 21:11:50,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 21:11:50,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687596008] [2021-05-03 21:11:50,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 21:11:50,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:11:50,750 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:11:50,751 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687596008] [2021-05-03 21:11:50,751 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [90527729] [2021-05-03 21:11:50,751 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 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 [2021-05-03 21:11:50,773 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-03 21:11:50,773 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 21:11:50,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 9 conjunts are in the unsatisfiable core [2021-05-03 21:11:50,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 21:11:50,828 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:11:50,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 21:11:50,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-05-03 21:11:50,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146882731] [2021-05-03 21:11:50,830 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-05-03 21:11:50,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 21:11:50,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-05-03 21:11:50,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-05-03 21:11:50,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:50,832 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 21:11:50,832 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 10 states have internal predecessors, (20), 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) [2021-05-03 21:11:50,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:50,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:50,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:50,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 21:11:50,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:50,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:50,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:50,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:50,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:50,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:50,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:50,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 21:11:50,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:50,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:50,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:50,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 21:11:51,137 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-05-03 21:11:51,137 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 21:11:51,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 21:11:51,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1466420149, now seen corresponding path program 5 times [2021-05-03 21:11:51,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 21:11:51,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882926535] [2021-05-03 21:11:51,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 21:11:51,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:11:51,282 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:11:51,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882926535] [2021-05-03 21:11:51,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [334132530] [2021-05-03 21:11:51,282 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 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 [2021-05-03 21:11:51,305 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-05-03 21:11:51,305 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 21:11:51,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 35 conjunts are in the unsatisfiable core [2021-05-03 21:11:51,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 21:11:51,697 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 21:11:51,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 31 treesize of output 142 [2021-05-03 21:11:51,880 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 21:11:51,882 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 21:11:51,882 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 21:11:51,882 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-05-03 21:11:51,887 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:11:51,888 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 21:11:51,888 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2021-05-03 21:11:51,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112523086] [2021-05-03 21:11:51,888 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-05-03 21:11:51,888 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 21:11:51,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-05-03 21:11:51,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2021-05-03 21:11:51,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:51,889 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 21:11:51,889 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.391304347826087) internal successors, (32), 22 states have internal predecessors, (32), 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) [2021-05-03 21:11:51,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:51,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:51,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:51,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 21:11:51,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:51,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:51,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:51,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 21:11:51,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:52,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:52,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:52,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:52,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 21:11:52,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:52,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:52,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:52,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 21:11:52,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 21:11:52,382 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-05-03 21:11:52,382 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 21:11:52,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 21:11:52,383 INFO L82 PathProgramCache]: Analyzing trace with hash 792970265, now seen corresponding path program 6 times [2021-05-03 21:11:52,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 21:11:52,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398485220] [2021-05-03 21:11:52,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 21:11:52,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:11:52,643 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:11:52,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398485220] [2021-05-03 21:11:52,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1596494548] [2021-05-03 21:11:52,644 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 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 [2021-05-03 21:11:52,673 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-05-03 21:11:52,674 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 21:11:52,675 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 48 conjunts are in the unsatisfiable core [2021-05-03 21:11:52,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 21:11:53,095 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 21:11:53,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 35 treesize of output 193 [2021-05-03 21:11:53,440 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 21:11:53,442 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 21:11:53,442 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 21:11:53,443 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:3 [2021-05-03 21:11:53,449 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:11:53,449 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 21:11:53,450 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-05-03 21:11:53,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790365820] [2021-05-03 21:11:53,451 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-05-03 21:11:53,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 21:11:53,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-05-03 21:11:53,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=540, Unknown=0, NotChecked=0, Total=600 [2021-05-03 21:11:53,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:53,453 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 21:11:53,453 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.36) internal successors, (34), 24 states have internal predecessors, (34), 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) [2021-05-03 21:11:53,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:53,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:53,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:53,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 21:11:53,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:53,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:53,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:53,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 21:11:53,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 21:11:53,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:53,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:53,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:53,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:53,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 21:11:53,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:53,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:53,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:53,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 21:11:53,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 21:11:53,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:11:53,881 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable111 [2021-05-03 21:11:53,882 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 21:11:53,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 21:11:53,882 INFO L82 PathProgramCache]: Analyzing trace with hash 1390860341, now seen corresponding path program 7 times [2021-05-03 21:11:53,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 21:11:53,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589210311] [2021-05-03 21:11:53,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 21:11:53,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:11:54,108 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:11:54,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589210311] [2021-05-03 21:11:54,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776763197] [2021-05-03 21:11:54,108 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 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 [2021-05-03 21:11:54,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:11:54,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 40 conjunts are in the unsatisfiable core [2021-05-03 21:11:54,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 21:11:54,624 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-05-03 21:11:54,625 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 21:11:54,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-05-03 21:11:55,543 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 21:11:55,544 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 21:11:55,545 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 21:11:55,545 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-05-03 21:11:55,552 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:11:55,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 21:11:55,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-05-03 21:11:55,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927157934] [2021-05-03 21:11:55,553 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-05-03 21:11:55,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 21:11:55,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-05-03 21:11:55,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2021-05-03 21:11:55,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:55,554 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 21:11:55,554 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.44) internal successors, (36), 24 states have internal predecessors, (36), 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) [2021-05-03 21:11:55,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:55,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:55,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:55,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 21:11:55,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:55,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:55,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:55,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 21:11:55,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 21:11:55,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:11:55,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:55,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:55,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:55,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:55,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 21:11:55,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:55,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:55,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:55,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 21:11:55,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 21:11:55,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:11:55,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:11:56,036 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable198 [2021-05-03 21:11:56,037 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 21:11:56,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 21:11:56,037 INFO L82 PathProgramCache]: Analyzing trace with hash -1549383783, now seen corresponding path program 8 times [2021-05-03 21:11:56,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 21:11:56,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399124331] [2021-05-03 21:11:56,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 21:11:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:11:56,192 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:11:56,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399124331] [2021-05-03 21:11:56,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1084847269] [2021-05-03 21:11:56,192 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 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 [2021-05-03 21:11:56,216 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-03 21:11:56,217 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 21:11:56,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 13 conjunts are in the unsatisfiable core [2021-05-03 21:11:56,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 21:11:56,276 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:11:56,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 21:11:56,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-05-03 21:11:56,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13448468] [2021-05-03 21:11:56,277 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-05-03 21:11:56,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 21:11:56,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-05-03 21:11:56,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-05-03 21:11:56,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:56,277 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 21:11:56,278 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 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) [2021-05-03 21:11:56,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:56,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:56,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:56,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 21:11:56,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:56,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:56,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:56,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 21:11:56,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 21:11:56,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:11:56,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:11:56,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:56,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:56,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:56,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:56,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 21:11:56,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:56,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:56,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:56,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 21:11:56,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 21:11:56,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:11:56,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:11:56,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 21:11:56,614 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable450,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 21:11:56,614 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 21:11:56,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 21:11:56,615 INFO L82 PathProgramCache]: Analyzing trace with hash -759631594, now seen corresponding path program 9 times [2021-05-03 21:11:56,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 21:11:56,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316431977] [2021-05-03 21:11:56,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 21:11:56,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:11:57,021 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:11:57,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316431977] [2021-05-03 21:11:57,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438589618] [2021-05-03 21:11:57,021 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 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 [2021-05-03 21:11:57,085 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-05-03 21:11:57,085 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 21:11:57,086 WARN L261 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 47 conjunts are in the unsatisfiable core [2021-05-03 21:11:57,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 21:11:57,804 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-05-03 21:11:57,805 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 21:11:57,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 43 treesize of output 319 [2021-05-03 21:11:59,850 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 21:11:59,852 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 21:11:59,852 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 21:11:59,852 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-05-03 21:11:59,858 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:11:59,858 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 21:11:59,858 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-05-03 21:11:59,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810872411] [2021-05-03 21:11:59,859 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-03 21:11:59,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 21:11:59,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-03 21:11:59,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=854, Unknown=0, NotChecked=0, Total=930 [2021-05-03 21:11:59,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:59,861 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 21:11:59,861 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 30 states have internal predecessors, (40), 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) [2021-05-03 21:11:59,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:59,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:59,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:59,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 21:11:59,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:59,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:59,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:59,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 21:11:59,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 21:11:59,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:11:59,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:11:59,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 21:11:59,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:12:00,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:12:00,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:12:00,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:12:00,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 21:12:00,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:12:00,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:12:00,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:12:00,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 21:12:00,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 21:12:00,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:12:00,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:12:00,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 21:12:00,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-03 21:12:00,433 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable451 [2021-05-03 21:12:00,433 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 21:12:00,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 21:12:00,433 INFO L82 PathProgramCache]: Analyzing trace with hash -245753990, now seen corresponding path program 10 times [2021-05-03 21:12:00,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 21:12:00,433 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154140465] [2021-05-03 21:12:00,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 21:12:00,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:12:00,729 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:12:00,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154140465] [2021-05-03 21:12:00,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726577825] [2021-05-03 21:12:00,730 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 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 [2021-05-03 21:12:00,759 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-03 21:12:00,760 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 21:12:00,761 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 64 conjunts are in the unsatisfiable core [2021-05-03 21:12:00,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 21:12:01,514 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-05-03 21:12:01,514 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 21:12:01,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 19 new quantified variables, introduced 45 case distinctions, treesize of input 47 treesize of output 394 [2021-05-03 21:12:05,261 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 420 [2021-05-03 21:12:05,371 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 404 [2021-05-03 21:12:06,372 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 1085 DAG size of output: 603 [2021-05-03 21:12:06,532 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 1478 DAG size of output: 701 [2021-05-03 21:12:06,684 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1478 DAG size of output: 701 [2021-05-03 21:12:06,834 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1483 DAG size of output: 698 [2021-05-03 21:12:07,008 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 888 [2021-05-03 21:12:07,135 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 554 [2021-05-03 21:12:10,895 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 1288 DAG size of output: 738 [2021-05-03 21:12:11,074 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 2257 DAG size of output: 1208 [2021-05-03 21:12:11,240 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 2257 DAG size of output: 1208 [2021-05-03 21:12:11,425 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 2259 DAG size of output: 1208 [2021-05-03 21:12:11,538 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 1210 DAG size of output: 701 [2021-05-03 21:12:12,072 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 21:12:12,074 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 21:12:12,074 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 21:12:12,074 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-05-03 21:12:12,078 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:12:12,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 21:12:12,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-05-03 21:12:12,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946292044] [2021-05-03 21:12:12,079 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-05-03 21:12:12,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 21:12:12,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-05-03 21:12:12,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=976, Unknown=0, NotChecked=0, Total=1056 [2021-05-03 21:12:12,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:12:12,080 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 21:12:12,081 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 32 states have internal predecessors, (42), 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) [2021-05-03 21:12:12,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:12:12,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:12:12,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:12:12,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 21:12:12,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:12:12,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:12:12,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:12:12,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 21:12:12,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 21:12:12,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:12:12,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:12:12,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 21:12:12,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-05-03 21:12:12,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:12:12,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:12:12,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:12:12,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:12:12,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 21:12:12,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:12:12,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:12:12,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:12:12,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 21:12:12,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 21:12:12,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:12:12,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:12:12,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 21:12:12,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-03 21:12:12,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 21:12:12,622 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable973,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 21:12:12,623 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 21:12:12,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 21:12:12,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1495417450, now seen corresponding path program 11 times [2021-05-03 21:12:12,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 21:12:12,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207593812] [2021-05-03 21:12:12,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 21:12:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:12:12,929 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:12:12,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207593812] [2021-05-03 21:12:12,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134669301] [2021-05-03 21:12:12,929 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 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 [2021-05-03 21:12:12,965 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-05-03 21:12:12,965 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 21:12:12,966 WARN L261 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 52 conjunts are in the unsatisfiable core [2021-05-03 21:12:12,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 21:12:13,725 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-05-03 21:12:13,726 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 21:12:13,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 21 new quantified variables, introduced 55 case distinctions, treesize of input 51 treesize of output 477 [2021-05-03 21:12:15,932 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 787 DAG size of output: 884 [2021-05-03 21:12:16,053 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 765 DAG size of output: 798 [2021-05-03 21:12:19,320 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 420 [2021-05-03 21:12:21,945 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 1011 DAG size of output: 681 [2021-05-03 21:12:23,999 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 639 DAG size of output: 529 [2021-05-03 21:12:24,153 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 849 DAG size of output: 705 [2021-05-03 21:12:24,413 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 1470 DAG size of output: 1188 [2021-05-03 21:12:24,735 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 1619 DAG size of output: 1227 [2021-05-03 21:12:25,094 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 2285 DAG size of output: 1225 [2021-05-03 21:12:25,523 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 2817 DAG size of output: 1738 [2021-05-03 21:12:27,538 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 3264 DAG size of output: 2055 [2021-05-03 21:12:28,082 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 3617 DAG size of output: 2277 [2021-05-03 21:12:30,559 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1039 DAG size of output: 765 [2021-05-03 21:12:31,664 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 567 [2021-05-03 21:12:32,493 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 835 DAG size of output: 775 [2021-05-03 21:12:32,745 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 1491 DAG size of output: 1304 [2021-05-03 21:12:35,815 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 2089 DAG size of output: 1539 [2021-05-03 21:12:36,260 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 2213 DAG size of output: 1647 [2021-05-03 21:12:37,320 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 2674 DAG size of output: 1767 [2021-05-03 21:12:37,840 WARN L205 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 3209 DAG size of output: 2284 [2021-05-03 21:12:38,483 WARN L205 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 3555 DAG size of output: 2587 [2021-05-03 21:12:41,494 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 763 [2021-05-03 21:12:41,657 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 1077 DAG size of output: 756 [2021-05-03 21:12:41,856 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 1098 DAG size of output: 774 [2021-05-03 21:12:42,616 WARN L205 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 4497 DAG size of output: 3222 [2021-05-03 21:12:44,035 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 6099 DAG size of output: 4037 [2021-05-03 21:12:45,512 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 6527 DAG size of output: 4178 [2021-05-03 21:12:48,423 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 7214 DAG size of output: 4671 [2021-05-03 21:12:50,189 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 7644 DAG size of output: 5009 [2021-05-03 21:12:51,994 WARN L205 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 7644 DAG size of output: 5009 [2021-05-03 21:12:53,929 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 7657 DAG size of output: 5022 [2021-05-03 21:12:56,026 WARN L205 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 5024 DAG size of output: 6951 [2021-05-03 21:12:58,181 WARN L205 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 4225 DAG size of output: 5817 [2021-05-03 21:12:59,445 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 3936 DAG size of output: 3639 [2021-05-03 21:13:01,326 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 3441 DAG size of output: 4915 [2021-05-03 21:13:02,405 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 3369 DAG size of output: 3400 [2021-05-03 21:13:04,325 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 3164 DAG size of output: 4663 [2021-05-03 21:13:05,206 WARN L205 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 2817 DAG size of output: 2759 [2021-05-03 21:13:07,224 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 2568 DAG size of output: 3483 [2021-05-03 21:13:08,435 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 2279 DAG size of output: 3278 [2021-05-03 21:13:08,821 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 1929 DAG size of output: 1913 [2021-05-03 21:13:09,219 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 1754 DAG size of output: 1754 [2021-05-03 21:13:09,572 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 1642 DAG size of output: 1642 [2021-05-03 21:13:09,773 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 1347 DAG size of output: 1347 [2021-05-03 21:13:10,570 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 935 [2021-05-03 21:13:10,784 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 818 [2021-05-03 21:13:10,895 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 670 [2021-05-03 21:13:12,193 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 1006 [2021-05-03 21:13:12,313 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 877 DAG size of output: 877 [2021-05-03 21:13:13,909 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 1715 DAG size of output: 767 [2021-05-03 21:13:14,402 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 2020 DAG size of output: 916 [2021-05-03 21:13:14,587 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 2176 DAG size of output: 1030 [2021-05-03 21:13:15,201 WARN L205 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 2193 DAG size of output: 2186 [2021-05-03 21:13:15,730 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 2032 DAG size of output: 2032 [2021-05-03 21:13:16,393 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 1930 DAG size of output: 1930 [2021-05-03 21:13:16,632 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 1241 DAG size of output: 1241 [2021-05-03 21:13:16,818 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 1080 DAG size of output: 1080 [2021-05-03 21:13:16,976 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 844 DAG size of output: 844 [2021-05-03 21:13:17,129 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 674 [2021-05-03 21:13:18,832 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 1545 DAG size of output: 1545 [2021-05-03 21:13:19,063 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 1152 [2021-05-03 21:13:19,385 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 1005 DAG size of output: 1005 [2021-05-03 21:13:19,696 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 835 DAG size of output: 835 [2021-05-03 21:13:19,851 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 814 DAG size of output: 814 [2021-05-03 21:13:19,981 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 769 [2021-05-03 21:13:21,751 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 1954 DAG size of output: 803 [2021-05-03 21:13:21,945 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 2119 DAG size of output: 870 [2021-05-03 21:13:22,136 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 2270 DAG size of output: 981 [2021-05-03 21:13:22,520 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 3632 DAG size of output: 1557 [2021-05-03 21:13:22,957 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 1827 DAG size of output: 1803 [2021-05-03 21:13:23,752 WARN L205 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 1697 DAG size of output: 2477 [2021-05-03 21:13:23,996 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 1218 DAG size of output: 1186 [2021-05-03 21:13:25,316 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 980 DAG size of output: 980 [2021-05-03 21:13:27,263 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 1632 DAG size of output: 1621 [2021-05-03 21:13:27,468 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 1085 DAG size of output: 1085 [2021-05-03 21:13:27,789 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 955 DAG size of output: 955 [2021-05-03 21:13:27,922 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 775 DAG size of output: 775 [2021-05-03 21:13:28,041 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 640 [2021-05-03 21:13:29,402 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 1308 DAG size of output: 1304 [2021-05-03 21:13:29,589 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 1001 DAG size of output: 1001 [2021-05-03 21:13:29,848 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 885 DAG size of output: 885 [2021-05-03 21:13:30,151 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 750 DAG size of output: 750 [2021-05-03 21:13:30,278 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 730 DAG size of output: 730 [2021-05-03 21:13:30,392 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 705 [2021-05-03 21:13:31,677 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 1579 DAG size of output: 791 [2021-05-03 21:13:31,934 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 2376 DAG size of output: 1159 [2021-05-03 21:13:32,643 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 2677 DAG size of output: 1277 [2021-05-03 21:13:33,341 WARN L205 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 5640 DAG size of output: 2351 [2021-05-03 21:13:34,076 WARN L205 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 5962 DAG size of output: 2552 [2021-05-03 21:13:35,566 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 8298 DAG size of output: 3947 [2021-05-03 21:13:37,745 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 1301 DAG size of output: 820 [2021-05-03 21:13:39,252 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 9172 DAG size of output: 4422 [2021-05-03 21:13:40,514 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 10737 DAG size of output: 3616 [2021-05-03 21:13:42,054 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 10966 DAG size of output: 3871 [2021-05-03 21:13:43,656 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 3550 DAG size of output: 4917 [2021-05-03 21:13:44,518 WARN L205 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 3465 DAG size of output: 3191 [2021-05-03 21:13:45,391 WARN L205 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 2997 DAG size of output: 2884 [2021-05-03 21:13:47,878 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 1381 DAG size of output: 930 [2021-05-03 21:13:48,043 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 1601 DAG size of output: 1074 [2021-05-03 21:13:49,411 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 2633 DAG size of output: 3806 [2021-05-03 21:13:50,380 WARN L205 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 2350 DAG size of output: 3155 [2021-05-03 21:13:50,847 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 2147 DAG size of output: 2139 [2021-05-03 21:13:52,303 WARN L205 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 1972 DAG size of output: 2870 [2021-05-03 21:13:52,625 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 1715 DAG size of output: 1715 [2021-05-03 21:13:52,894 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 1575 DAG size of output: 1575 [2021-05-03 21:13:53,427 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 1480 DAG size of output: 1480 [2021-05-03 21:13:54,727 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 1182 DAG size of output: 1182 [2021-05-03 21:13:54,838 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 878 DAG size of output: 878 [2021-05-03 21:13:54,944 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 757 DAG size of output: 757 [2021-05-03 21:13:56,906 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 1579 DAG size of output: 787 [2021-05-03 21:13:57,069 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 1781 DAG size of output: 919 [2021-05-03 21:13:57,310 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 1920 DAG size of output: 1017 [2021-05-03 21:13:57,788 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 1924 DAG size of output: 1918 [2021-05-03 21:13:58,187 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 1783 [2021-05-03 21:13:58,662 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 1697 DAG size of output: 1697 [2021-05-03 21:13:58,824 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 1040 DAG size of output: 1040 [2021-05-03 21:13:58,960 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 882 DAG size of output: 882 [2021-05-03 21:13:59,076 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 726 [2021-05-03 21:13:59,412 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 559 [2021-05-03 21:14:00,580 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 1330 DAG size of output: 1330 [2021-05-03 21:14:01,243 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 1035 [2021-05-03 21:14:01,384 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 886 [2021-05-03 21:14:01,710 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 650 [2021-05-03 21:14:02,857 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1748 DAG size of output: 784 [2021-05-03 21:14:03,020 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 1833 DAG size of output: 843 [2021-05-03 21:14:03,181 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 1967 DAG size of output: 938 [2021-05-03 21:14:03,505 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 3166 DAG size of output: 1555 [2021-05-03 21:14:03,892 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 3445 DAG size of output: 1732 [2021-05-03 21:14:04,222 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 1603 DAG size of output: 1589 [2021-05-03 21:14:04,526 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 1456 DAG size of output: 1452 [2021-05-03 21:14:05,086 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 1367 DAG size of output: 1367 [2021-05-03 21:14:05,205 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 871 DAG size of output: 871 [2021-05-03 21:14:05,324 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 747 DAG size of output: 747 [2021-05-03 21:14:07,313 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 1081 DAG size of output: 1081 [2021-05-03 21:14:07,432 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 828 DAG size of output: 828 [2021-05-03 21:14:10,038 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 1732 DAG size of output: 1016 [2021-05-03 21:14:10,247 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 1893 DAG size of output: 1094 [2021-05-03 21:14:11,002 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 2173 DAG size of output: 1309 [2021-05-03 21:14:11,628 WARN L205 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 5017 DAG size of output: 2559 [2021-05-03 21:14:12,708 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 7041 DAG size of output: 3929 [2021-05-03 21:14:14,081 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 8301 DAG size of output: 4690 [2021-05-03 21:14:15,430 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 8530 DAG size of output: 4936 [2021-05-03 21:14:16,660 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 10374 DAG size of output: 3975 [2021-05-03 21:14:19,270 WARN L205 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 19095 DAG size of output: 6530 [2021-05-03 21:14:22,172 WARN L205 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 22145 DAG size of output: 6652 [2021-05-03 21:14:24,897 WARN L205 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 22145 DAG size of output: 6652 [2021-05-03 21:14:27,919 WARN L205 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 22154 DAG size of output: 6661 [2021-05-03 21:14:29,570 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 6658 DAG size of output: 6140 [2021-05-03 21:14:30,670 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 6142 DAG size of output: 4499 [2021-05-03 21:14:31,257 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 4127 DAG size of output: 2597 [2021-05-03 21:14:31,718 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 2592 DAG size of output: 2540 [2021-05-03 21:14:32,230 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 1698 DAG size of output: 2252 [2021-05-03 21:14:32,632 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 1634 DAG size of output: 1837 [2021-05-03 21:14:34,222 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 1183 DAG size of output: 777 [2021-05-03 21:14:35,664 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1218 DAG size of output: 743 [2021-05-03 21:14:36,194 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 1862 DAG size of output: 882 [2021-05-03 21:14:36,356 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 1868 DAG size of output: 888 [2021-05-03 21:14:36,553 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 2313 DAG size of output: 1037 [2021-05-03 21:14:36,726 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 2313 DAG size of output: 1037 [2021-05-03 21:14:37,049 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 2320 DAG size of output: 1387 [2021-05-03 21:14:38,282 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 21:14:38,283 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 21:14:38,283 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 21:14:38,284 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:51, output treesize:3 [2021-05-03 21:14:38,288 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:14:38,288 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 21:14:38,288 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-05-03 21:14:38,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677553705] [2021-05-03 21:14:38,288 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-05-03 21:14:38,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 21:14:38,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-05-03 21:14:38,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=977, Unknown=0, NotChecked=0, Total=1056 [2021-05-03 21:14:38,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:14:38,289 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 21:14:38,289 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 32 states have internal predecessors, (44), 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) [2021-05-03 21:14:38,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:14:38,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:14:38,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:14:38,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 21:14:38,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:14:38,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:14:38,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:14:38,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 21:14:38,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 21:14:38,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:14:38,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:14:38,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 21:14:38,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-05-03 21:14:38,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 21:14:38,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:14:38,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:14:38,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:14:38,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:14:38,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 21:14:38,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:14:38,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:14:38,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:14:38,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 21:14:38,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 21:14:38,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:14:38,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:14:38,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 21:14:38,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-03 21:14:38,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 21:14:38,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 21:14:39,009 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2767 [2021-05-03 21:14:39,009 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 21:14:39,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 21:14:39,010 INFO L82 PathProgramCache]: Analyzing trace with hash -1580279046, now seen corresponding path program 12 times [2021-05-03 21:14:39,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 21:14:39,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423930622] [2021-05-03 21:14:39,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 21:14:39,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:14:39,169 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 55 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:14:39,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423930622] [2021-05-03 21:14:39,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1422210264] [2021-05-03 21:14:39,169 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 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 [2021-05-03 21:14:39,200 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-05-03 21:14:39,200 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 21:14:39,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 17 conjunts are in the unsatisfiable core [2021-05-03 21:14:39,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 21:14:39,271 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 66 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:14:39,271 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 21:14:39,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 18 [2021-05-03 21:14:39,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374125298] [2021-05-03 21:14:39,271 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-05-03 21:14:39,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 21:14:39,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-05-03 21:14:39,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2021-05-03 21:14:39,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:14:39,272 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 21:14:39,272 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 18 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 21:14:39,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:14:39,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:14:39,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:14:39,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 21:14:39,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:14:39,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:14:39,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:14:39,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 21:14:39,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 21:14:39,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:14:39,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:14:39,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 21:14:39,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-05-03 21:14:39,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 21:14:39,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 21:14:39,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:14:39,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:14:39,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:14:39,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:14:39,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 21:14:39,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:14:39,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:14:39,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:14:39,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 21:14:39,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 21:14:39,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:14:39,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:14:39,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 21:14:39,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-03 21:14:39,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 21:14:39,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 21:14:39,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 21:14:39,734 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18747,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 21:14:39,735 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 21:14:39,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 21:14:39,735 INFO L82 PathProgramCache]: Analyzing trace with hash -1717384747, now seen corresponding path program 13 times [2021-05-03 21:14:39,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 21:14:39,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16057229] [2021-05-03 21:14:39,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 21:14:39,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:14:40,011 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:14:40,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16057229] [2021-05-03 21:14:40,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [821443114] [2021-05-03 21:14:40,011 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 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 [2021-05-03 21:14:40,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:14:40,043 WARN L261 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 59 conjunts are in the unsatisfiable core [2021-05-03 21:14:40,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 21:14:40,993 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-05-03 21:14:40,993 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 21:14:40,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 23 new quantified variables, introduced 66 case distinctions, treesize of input 55 treesize of output 568 [2021-05-03 21:14:43,425 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 1471 DAG size of output: 1189 [2021-05-03 21:14:43,539 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1495 DAG size of output: 1211 [2021-05-03 21:14:43,679 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 1495 DAG size of output: 1211 [2021-05-03 21:14:43,809 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 1514 DAG size of output: 1230 [2021-05-03 21:14:44,033 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 1232 DAG size of output: 1717 [2021-05-03 21:14:44,232 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 1177 DAG size of output: 1510 [2021-05-03 21:14:44,450 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 1204 [2021-05-03 21:14:44,605 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 1038 DAG size of output: 1236 [2021-05-03 21:14:44,740 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 1033 DAG size of output: 1171 [2021-05-03 21:14:46,392 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 668 DAG size of output: 553 [2021-05-03 21:14:46,725 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 1003 DAG size of output: 1339 [2021-05-03 21:14:48,970 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1104 DAG size of output: 769 [2021-05-03 21:14:52,562 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 818 DAG size of output: 829 [2021-05-03 21:14:52,730 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 1071 DAG size of output: 856 [2021-05-03 21:14:52,977 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 1525 DAG size of output: 1167 [2021-05-03 21:14:53,338 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 2199 DAG size of output: 1680 [2021-05-03 21:14:53,729 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 2294 DAG size of output: 1772 [2021-05-03 21:14:54,311 WARN L205 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 2794 DAG size of output: 2181 [2021-05-03 21:14:54,906 WARN L205 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 2795 DAG size of output: 2171 [2021-05-03 21:14:57,252 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 898 [2021-05-03 21:14:57,462 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 1165 DAG size of output: 996 [2021-05-03 21:14:58,582 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 1591 DAG size of output: 1311 [2021-05-03 21:14:58,797 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 1594 DAG size of output: 1314 [2021-05-03 21:14:59,548 WARN L205 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 4029 DAG size of output: 2945 [2021-05-03 21:15:01,063 WARN L205 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 4493 DAG size of output: 3243 [2021-05-03 21:15:01,210 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 1110 DAG size of output: 1289 [2021-05-03 21:15:01,497 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 1069 DAG size of output: 1287 [2021-05-03 21:15:01,691 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 1033 DAG size of output: 1165 [2021-05-03 21:15:02,865 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 574 DAG size of output: 664 [2021-05-03 21:15:02,989 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 636 DAG size of output: 714 [2021-05-03 21:15:03,109 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 715 [2021-05-03 21:15:03,761 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 983 [2021-05-03 21:15:03,922 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 1031 DAG size of output: 1370 [2021-05-03 21:15:04,098 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 1349 [2021-05-03 21:15:04,284 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 934 DAG size of output: 1225 [2021-05-03 21:15:06,442 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 858 DAG size of output: 789 [2021-05-03 21:15:08,055 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 943 DAG size of output: 747 [2021-05-03 21:15:08,282 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 1479 DAG size of output: 1257 [2021-05-03 21:15:10,431 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 2040 DAG size of output: 1719 [2021-05-03 21:15:10,874 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 2502 DAG size of output: 2129 [2021-05-03 21:15:11,373 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 3048 DAG size of output: 2575 [2021-05-03 21:15:11,955 WARN L205 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 3439 DAG size of output: 3068 [2021-05-03 21:15:12,835 WARN L205 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 4191 DAG size of output: 3792 [2021-05-03 21:15:13,929 WARN L205 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 4415 DAG size of output: 3979 [2021-05-03 21:15:14,870 WARN L205 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 4904 DAG size of output: 4421 [2021-05-03 21:15:16,217 WARN L205 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 5137 DAG size of output: 4614 [2021-05-03 21:15:18,590 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 951 DAG size of output: 675 [2021-05-03 21:15:18,842 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 1353 DAG size of output: 981 [2021-05-03 21:15:20,326 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 1858 DAG size of output: 1354 [2021-05-03 21:15:20,650 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 2129 DAG size of output: 1573 [2021-05-03 21:15:21,333 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 2353 DAG size of output: 1744 [2021-05-03 21:15:22,675 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 6896 DAG size of output: 5346 [2021-05-03 21:15:24,867 WARN L205 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 10593 DAG size of output: 7527 [2021-05-03 21:15:25,119 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 1226 DAG size of output: 1612 [2021-05-03 21:15:25,304 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 1151 DAG size of output: 1338 [2021-05-03 21:15:25,545 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 1358 [2021-05-03 21:15:25,676 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 1129 DAG size of output: 1246 [2021-05-03 21:15:25,848 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 1088 DAG size of output: 1430 [2021-05-03 21:15:26,022 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 1081 DAG size of output: 1381 [2021-05-03 21:15:26,246 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 960 DAG size of output: 1234 [2021-05-03 21:15:26,462 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 953 DAG size of output: 1239 [2021-05-03 21:15:30,558 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 1292 DAG size of output: 1310 [2021-05-03 21:15:30,730 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 1494 DAG size of output: 1343 [2021-05-03 21:15:30,970 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 1871 DAG size of output: 1621 [2021-05-03 21:15:31,309 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 1890 DAG size of output: 1640 [2021-05-03 21:15:31,639 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 1945 DAG size of output: 1680 [2021-05-03 21:15:31,812 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 785 DAG size of output: 889 [2021-05-03 21:15:33,469 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 1060 DAG size of output: 822 [2021-05-03 21:15:33,592 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 1082 DAG size of output: 843 [2021-05-03 21:15:33,924 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 708 [2021-05-03 21:15:35,735 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1196 DAG size of output: 880 [2021-05-03 21:15:35,926 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 1709 DAG size of output: 1372 [2021-05-03 21:15:36,536 WARN L205 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 3161 DAG size of output: 2670 [2021-05-03 21:15:37,088 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 3634 DAG size of output: 3105 [2021-05-03 21:15:37,762 WARN L205 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 4193 DAG size of output: 3539 [2021-05-03 21:15:38,719 WARN L205 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 4712 DAG size of output: 4050 [2021-05-03 21:15:41,846 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 1272 DAG size of output: 1413 [2021-05-03 21:15:42,080 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 1445 DAG size of output: 1584 [2021-05-03 21:15:42,306 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 1621 DAG size of output: 1706 [2021-05-03 21:15:42,627 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 1823 DAG size of output: 1886 [2021-05-03 21:15:43,868 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 6186 DAG size of output: 5607 [2021-05-03 21:15:45,199 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 6778 DAG size of output: 6039 [2021-05-03 21:15:45,345 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 636 DAG size of output: 814 [2021-05-03 21:15:48,576 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 1114 DAG size of output: 936 [2021-05-03 21:15:48,748 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 1246 DAG size of output: 991 [2021-05-03 21:15:48,901 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1393 DAG size of output: 1032 [2021-05-03 21:15:49,087 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 1781 DAG size of output: 1323 [2021-05-03 21:15:49,301 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 2049 DAG size of output: 1480 [2021-05-03 21:15:50,821 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 2631 DAG size of output: 1918 [2021-05-03 21:15:51,428 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 2855 DAG size of output: 2044 [2021-05-03 21:15:51,795 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 2955 DAG size of output: 2138 [2021-05-03 21:15:52,380 WARN L205 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 3247 DAG size of output: 2348 [2021-05-03 21:15:54,108 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 9320 DAG size of output: 7109 [2021-05-03 21:15:54,291 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 1144 DAG size of output: 1285 [2021-05-03 21:15:54,542 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 1291 [2021-05-03 21:15:54,661 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 1086 DAG size of output: 1231 [2021-05-03 21:15:56,030 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 804 DAG size of output: 771 [2021-05-03 21:15:56,187 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 882 DAG size of output: 834 [2021-05-03 21:15:56,417 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 1083 DAG size of output: 1458 [2021-05-03 21:15:56,531 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 940 DAG size of output: 926 [2021-05-03 21:15:58,530 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 849 [2021-05-03 21:15:58,649 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 1040 DAG size of output: 885 [2021-05-03 21:15:59,770 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 1484 DAG size of output: 1155 [2021-05-03 21:16:00,024 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 1534 DAG size of output: 1205 [2021-05-03 21:16:02,433 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 976 DAG size of output: 973 [2021-05-03 21:16:02,592 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 1117 DAG size of output: 1125 [2021-05-03 21:16:02,783 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 1381 DAG size of output: 1158 [2021-05-03 21:16:04,627 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 1969 DAG size of output: 1612 [2021-05-03 21:16:05,028 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 1990 DAG size of output: 1633 [2021-05-03 21:16:05,520 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 2977 DAG size of output: 2504 [2021-05-03 21:16:06,248 WARN L205 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 3664 DAG size of output: 3170 [2021-05-03 21:16:06,997 WARN L205 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 3665 DAG size of output: 3165 [2021-05-03 21:16:08,076 WARN L205 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 3828 DAG size of output: 3307 [2021-05-03 21:16:08,434 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 768 [2021-05-03 21:16:11,162 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 1044 DAG size of output: 977 [2021-05-03 21:16:11,400 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 1066 DAG size of output: 992 [2021-05-03 21:16:13,193 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 703 [2021-05-03 21:16:15,003 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 1113 DAG size of output: 1107 [2021-05-03 21:16:15,196 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 1135 DAG size of output: 1110 [2021-05-03 21:16:15,442 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 1130 [2021-05-03 21:16:15,834 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 1986 DAG size of output: 1919 [2021-05-03 21:16:16,217 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 2247 DAG size of output: 2053 [2021-05-03 21:16:17,983 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 923 DAG size of output: 679 [2021-05-03 21:16:18,520 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 2959 DAG size of output: 2569 [2021-05-03 21:16:19,167 WARN L205 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 2962 DAG size of output: 2572 [2021-05-03 21:16:20,515 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 6145 DAG size of output: 5049 [2021-05-03 21:16:23,699 WARN L205 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 14298 DAG size of output: 11123 [2021-05-03 21:16:29,000 WARN L205 SmtUtils]: Spent 5.22 s on a formula simplification. DAG size of input: 22836 DAG size of output: 16311 [2021-05-03 21:16:34,549 WARN L205 SmtUtils]: Spent 5.42 s on a formula simplification. DAG size of input: 22836 DAG size of output: 16311 [2021-05-03 21:16:40,224 WARN L205 SmtUtils]: Spent 5.59 s on a formula simplification. DAG size of input: 22851 DAG size of output: 16326 [2021-05-03 21:16:43,731 WARN L205 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 16320 DAG size of output: 16017 [2021-05-03 21:16:48,798 WARN L205 SmtUtils]: Spent 4.95 s on a formula simplification. DAG size of input: 16019 DAG size of output: 17458 [2021-05-03 21:16:50,882 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 8798 DAG size of output: 8842 [2021-05-03 21:16:53,503 WARN L205 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 8433 DAG size of output: 10247 [2021-05-03 21:16:55,004 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 8283 DAG size of output: 8210 [2021-05-03 21:16:55,656 WARN L205 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 4000 DAG size of output: 4000 [2021-05-03 21:16:56,052 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 2400 DAG size of output: 2445 [2021-05-03 21:16:56,405 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 2304 DAG size of output: 2184 [2021-05-03 21:16:56,592 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 1597 DAG size of output: 1573 [2021-05-03 21:16:56,796 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 1546 [2021-05-03 21:16:56,956 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2021-05-03 21:16:57,076 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 1070 [2021-05-03 21:16:57,209 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 1070 DAG size of output: 1107 [2021-05-03 21:16:57,424 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 880 DAG size of output: 880 [2021-05-03 21:17:00,044 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 871 DAG size of output: 601 [2021-05-03 21:17:00,675 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 931 DAG size of output: 640 [2021-05-03 21:17:00,813 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 640 [2021-05-03 21:17:01,404 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 1071 DAG size of output: 680 [2021-05-03 21:17:01,569 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 1413 DAG size of output: 744 [2021-05-03 21:17:01,743 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 1435 DAG size of output: 757 [2021-05-03 21:17:01,975 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 517 DAG size of output: 544 [2021-05-03 21:17:03,377 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 842 DAG size of output: 510 [2021-05-03 21:17:03,671 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 2011 DAG size of output: 1118 [2021-05-03 21:17:03,964 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 2209 DAG size of output: 1310 [2021-05-03 21:17:04,257 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 1869 DAG size of output: 1860 [2021-05-03 21:17:04,507 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 1672 DAG size of output: 1643 [2021-05-03 21:17:04,788 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 1618 DAG size of output: 1596 [2021-05-03 21:17:04,989 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 1594 DAG size of output: 1589 [2021-05-03 21:17:07,525 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1179 DAG size of output: 791 [2021-05-03 21:17:07,718 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 983 DAG size of output: 1068 [2021-05-03 21:17:07,836 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 978 DAG size of output: 978 [2021-05-03 21:17:10,862 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 1038 DAG size of output: 770 [2021-05-03 21:17:11,029 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 1234 DAG size of output: 861 [2021-05-03 21:17:11,200 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 1378 DAG size of output: 995 [2021-05-03 21:17:11,514 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 2380 DAG size of output: 1565 [2021-05-03 21:17:11,871 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 2381 DAG size of output: 1445 [2021-05-03 21:17:12,171 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 2398 DAG size of output: 1442 [2021-05-03 21:17:12,498 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 2557 DAG size of output: 1533 [2021-05-03 21:17:13,138 WARN L205 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 4463 DAG size of output: 2486 [2021-05-03 21:17:13,832 WARN L205 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 4464 DAG size of output: 2437 [2021-05-03 21:17:14,909 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 6866 DAG size of output: 3926 [2021-05-03 21:17:16,035 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 7307 DAG size of output: 3953 [2021-05-03 21:17:18,468 WARN L205 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 18425 DAG size of output: 8255 [2021-05-03 21:17:20,878 WARN L205 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 18425 DAG size of output: 8255 [2021-05-03 21:17:23,471 WARN L205 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 18430 DAG size of output: 8260 [2021-05-03 21:17:24,202 WARN L205 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 3858 DAG size of output: 3615 [2021-05-03 21:17:24,850 WARN L205 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 3588 DAG size of output: 2953 [2021-05-03 21:17:25,367 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 2008 DAG size of output: 2275 [2021-05-03 21:17:25,805 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 1982 DAG size of output: 2118 [2021-05-03 21:17:26,096 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 1947 DAG size of output: 1853 [2021-05-03 21:17:26,387 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 1825 DAG size of output: 1823 [2021-05-03 21:17:26,559 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 1281 DAG size of output: 1281 [2021-05-03 21:17:26,750 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 1261 DAG size of output: 1261 [2021-05-03 21:17:26,902 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 1252 DAG size of output: 1252 [2021-05-03 21:17:27,037 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 634 DAG size of output: 723 [2021-05-03 21:17:27,697 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 730 DAG size of output: 773 [2021-05-03 21:17:28,506 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 1098 DAG size of output: 619 [2021-05-03 21:17:29,284 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 1448 DAG size of output: 755 [2021-05-03 21:17:29,418 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 1899 DAG size of output: 779 [2021-05-03 21:17:29,575 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 2846 DAG size of output: 882 [2021-05-03 21:17:29,808 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 2917 DAG size of output: 883 [2021-05-03 21:17:30,701 WARN L205 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 4647 DAG size of output: 4771 [2021-05-03 21:17:31,237 WARN L205 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 4240 DAG size of output: 2333 [2021-05-03 21:17:31,515 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 1682 DAG size of output: 1686 [2021-05-03 21:17:31,771 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 1624 DAG size of output: 1647 [2021-05-03 21:17:32,017 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 1528 DAG size of output: 1537 [2021-05-03 21:17:32,250 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 1487 DAG size of output: 1537 [2021-05-03 21:17:32,427 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 1468 DAG size of output: 1468 [2021-05-03 21:17:32,566 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 809 DAG size of output: 943 [2021-05-03 21:17:32,754 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 772 DAG size of output: 904 [2021-05-03 21:17:33,887 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 846 DAG size of output: 1149 [2021-05-03 21:17:35,597 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 2454 DAG size of output: 607 [2021-05-03 21:17:35,802 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 3424 DAG size of output: 1385 [2021-05-03 21:17:36,200 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 6129 DAG size of output: 2118 [2021-05-03 21:17:36,593 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 6129 DAG size of output: 2118 [2021-05-03 21:17:37,033 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 6134 DAG size of output: 2127 [2021-05-03 21:17:37,370 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 2129 DAG size of output: 1963 [2021-05-03 21:17:37,576 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 1913 DAG size of output: 1900 [2021-05-03 21:17:40,285 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 906 [2021-05-03 21:17:40,409 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 684 DAG size of output: 814 [2021-05-03 21:17:43,369 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1565 DAG size of output: 702 [2021-05-03 21:17:45,370 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 868 [2021-05-03 21:17:45,668 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 832 [2021-05-03 21:17:48,475 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 1294 DAG size of output: 858 [2021-05-03 21:17:48,633 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 1633 DAG size of output: 858 [2021-05-03 21:17:48,782 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1922 DAG size of output: 965 [2021-05-03 21:17:49,935 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 2577 DAG size of output: 1081 [2021-05-03 21:17:50,251 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 3275 DAG size of output: 1346 [2021-05-03 21:17:50,751 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 5859 DAG size of output: 2418 [2021-05-03 21:17:51,345 WARN L205 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 5945 DAG size of output: 2471 [2021-05-03 21:17:51,895 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 5945 DAG size of output: 2471 [2021-05-03 21:17:52,567 WARN L205 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 5950 DAG size of output: 2476 [2021-05-03 21:17:52,903 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 2476 DAG size of output: 2297 [2021-05-03 21:17:53,218 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 2254 DAG size of output: 1494 [2021-05-03 21:17:53,468 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 963 DAG size of output: 1120 [2021-05-03 21:17:54,099 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 890 DAG size of output: 886 [2021-05-03 21:17:54,790 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 1113 DAG size of output: 717 [2021-05-03 21:17:54,911 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 774 DAG size of output: 601 [2021-05-03 21:17:55,669 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 1464 DAG size of output: 962 [2021-05-03 21:17:55,838 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 1489 DAG size of output: 984 [2021-05-03 21:17:56,030 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 1489 DAG size of output: 984 [2021-05-03 21:17:56,239 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 1491 DAG size of output: 987 [2021-05-03 21:17:56,418 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 989 DAG size of output: 1257 [2021-05-03 21:17:57,044 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 21:17:57,045 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 21:17:57,046 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 21:17:57,046 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:3 [2021-05-03 21:17:57,050 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:17:57,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 21:17:57,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 38 [2021-05-03 21:17:57,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599170323] [2021-05-03 21:17:57,050 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-05-03 21:17:57,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 21:17:57,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-05-03 21:17:57,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=1386, Unknown=0, NotChecked=0, Total=1482 [2021-05-03 21:17:57,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:17:57,051 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 21:17:57,052 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 1.2307692307692308) internal successors, (48), 38 states have internal predecessors, (48), 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) [2021-05-03 21:17:57,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:17:57,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:17:57,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:17:57,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 21:17:57,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:17:57,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:17:57,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:17:57,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 21:17:57,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 21:17:57,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:17:57,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:17:57,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 21:17:57,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-05-03 21:17:57,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 21:17:57,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 21:17:57,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 21:17:57,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:17:57,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:17:57,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:17:57,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:17:57,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 21:17:57,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:17:57,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:17:57,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:17:57,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 21:17:57,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 21:17:57,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:17:57,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:17:57,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 21:17:57,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-03 21:17:57,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 21:17:57,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 21:17:57,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 21:17:57,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-05-03 21:17:57,909 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18748,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 21:17:57,909 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 21:17:57,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 21:17:57,909 INFO L82 PathProgramCache]: Analyzing trace with hash -1664999879, now seen corresponding path program 14 times [2021-05-03 21:17:57,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 21:17:57,909 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648650434] [2021-05-03 21:17:57,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 21:17:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:17:58,263 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:17:58,263 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648650434] [2021-05-03 21:17:58,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [522265815] [2021-05-03 21:17:58,264 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 21:17:58,291 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-03 21:17:58,291 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 21:17:58,292 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 80 conjunts are in the unsatisfiable core [2021-05-03 21:17:58,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 21:17:59,406 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 339 [2021-05-03 21:17:59,406 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 21:17:59,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 25 new quantified variables, introduced 78 case distinctions, treesize of input 59 treesize of output 667 [2021-05-03 21:18:04,162 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 1954 DAG size of output: 1547 [2021-05-03 21:18:04,339 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 1998 DAG size of output: 1590 [2021-05-03 21:18:04,484 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 2025 DAG size of output: 1617 [2021-05-03 21:18:04,775 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 3337 DAG size of output: 2495 [2021-05-03 21:18:05,029 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 3337 DAG size of output: 2495 [2021-05-03 21:18:05,342 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 3360 DAG size of output: 2518 [2021-05-03 21:18:05,574 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 2509 DAG size of output: 2506 [2021-05-03 21:18:05,835 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 2508 DAG size of output: 2523 [2021-05-03 21:18:06,082 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 2497 DAG size of output: 2494 [2021-05-03 21:18:06,271 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 1589 DAG size of output: 1968 [2021-05-03 21:18:06,406 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 1586 DAG size of output: 1595 [2021-05-03 21:18:06,550 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1583 DAG size of output: 1663 [2021-05-03 21:18:06,710 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1578 DAG size of output: 1578 [2021-05-03 21:18:06,877 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 1557 DAG size of output: 1557 [2021-05-03 21:18:06,985 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 1552 [2021-05-03 21:18:08,082 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 1510 [2021-05-03 21:18:09,834 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 1494 DAG size of output: 1104 [2021-05-03 21:18:10,004 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 848 DAG size of output: 861 [2021-05-03 21:18:11,329 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 2657 DAG size of output: 1450 [2021-05-03 21:18:11,604 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 3267 DAG size of output: 1895 [2021-05-03 21:18:11,810 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 3290 DAG size of output: 1917 [2021-05-03 21:18:12,025 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 3310 DAG size of output: 1936 [2021-05-03 21:18:12,266 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 3445 DAG size of output: 2035 [2021-05-03 21:18:12,526 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 3487 DAG size of output: 2073 [2021-05-03 21:18:12,881 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 3913 DAG size of output: 2323 [2021-05-03 21:18:13,040 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1154 DAG size of output: 1549 [2021-05-03 21:18:13,246 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 1148 DAG size of output: 1246 [2021-05-03 21:18:13,564 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 1117 DAG size of output: 1161 [2021-05-03 21:18:15,496 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 1843 DAG size of output: 1102 [2021-05-03 21:18:15,607 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 1881 DAG size of output: 1136 [2021-05-03 21:18:15,753 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 2316 DAG size of output: 1394 [2021-05-03 21:18:16,189 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 5749 DAG size of output: 3310 [2021-05-03 21:18:16,689 WARN L205 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 5779 DAG size of output: 3337 [2021-05-03 21:18:17,260 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 5779 DAG size of output: 3337 [2021-05-03 21:18:17,889 WARN L205 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 5791 DAG size of output: 3379 [2021-05-03 21:18:18,338 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 3344 DAG size of output: 3420 [2021-05-03 21:18:18,771 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 3280 DAG size of output: 3293 [2021-05-03 21:18:19,155 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 3216 DAG size of output: 3216 [2021-05-03 21:18:19,664 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 3191 DAG size of output: 3115 [2021-05-03 21:18:20,112 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 3087 DAG size of output: 3174 [2021-05-03 21:18:20,406 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 2011 DAG size of output: 1913 [2021-05-03 21:18:20,626 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 1693 [2021-05-03 21:18:22,706 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1004 DAG size of output: 1200 [2021-05-03 21:18:25,384 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1433 DAG size of output: 671 [2021-05-03 21:18:25,523 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 2067 DAG size of output: 912 [2021-05-03 21:18:25,714 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 2374 DAG size of output: 1168 [2021-05-03 21:18:26,112 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 3536 DAG size of output: 2226 [2021-05-03 21:18:26,439 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 3594 DAG size of output: 2268 [2021-05-03 21:18:26,783 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 3621 DAG size of output: 2239 [2021-05-03 21:18:27,173 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 3728 DAG size of output: 2298 [2021-05-03 21:18:27,580 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 3943 DAG size of output: 2495 [2021-05-03 21:18:28,014 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 4030 DAG size of output: 2583 [2021-05-03 21:18:28,567 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 4030 DAG size of output: 2583 [2021-05-03 21:18:29,158 WARN L205 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 4035 DAG size of output: 2581 [2021-05-03 21:18:29,649 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 2583 DAG size of output: 2779 [2021-05-03 21:18:30,215 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 2278 DAG size of output: 3164 [2021-05-03 21:18:30,632 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 1697 DAG size of output: 2269 [2021-05-03 21:18:30,881 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 1451 DAG size of output: 1548 [2021-05-03 21:18:31,011 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 1097 DAG size of output: 994 [2021-05-03 21:18:31,472 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 873 DAG size of output: 1198 [2021-05-03 21:18:31,600 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 785 DAG size of output: 999 [2021-05-03 21:18:31,759 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 755 DAG size of output: 1074 [2021-05-03 21:18:33,412 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 835 [2021-05-03 21:18:34,504 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 1336 DAG size of output: 714 [2021-05-03 21:18:34,626 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 1337 DAG size of output: 717 [2021-05-03 21:18:34,758 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 1470 DAG size of output: 809 [2021-05-03 21:18:34,993 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 2186 DAG size of output: 1283 [2021-05-03 21:18:35,195 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 1606 DAG size of output: 1604 [2021-05-03 21:18:35,395 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 1539 DAG size of output: 1539 [2021-05-03 21:18:35,583 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 1381 DAG size of output: 1381 [2021-05-03 21:18:36,267 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 1324 DAG size of output: 1284 [2021-05-03 21:18:36,503 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 1275 DAG size of output: 1269 [2021-05-03 21:18:36,683 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 941 DAG size of output: 1256 [2021-05-03 21:18:39,645 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 1729 DAG size of output: 979 [2021-05-03 21:18:39,910 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 1761 DAG size of output: 1012 [2021-05-03 21:18:40,108 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 2055 DAG size of output: 1192 [2021-05-03 21:18:40,431 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 2199 DAG size of output: 1322 [2021-05-03 21:18:40,727 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 2262 DAG size of output: 1363 [2021-05-03 21:18:41,241 WARN L205 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 3895 DAG size of output: 2281 [2021-05-03 21:18:41,784 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 2028 DAG size of output: 2639 [2021-05-03 21:18:41,983 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 1660 DAG size of output: 1652 [2021-05-03 21:18:42,177 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 1623 DAG size of output: 1623 [2021-05-03 21:18:42,752 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 1493 DAG size of output: 1601 [2021-05-03 21:18:42,904 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 1135 DAG size of output: 1042 [2021-05-03 21:18:43,069 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 1023 DAG size of output: 1243 [2021-05-03 21:18:43,179 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 885 [2021-05-03 21:18:44,664 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 1038 [2021-05-03 21:18:44,962 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 1052 [2021-05-03 21:18:45,139 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 690 DAG size of output: 833 [2021-05-03 21:18:46,525 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 943 DAG size of output: 758 [2021-05-03 21:18:46,860 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 1056 DAG size of output: 809 [2021-05-03 21:18:47,054 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 1766 DAG size of output: 1200 [2021-05-03 21:18:47,301 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 1941 DAG size of output: 1296 [2021-05-03 21:18:47,608 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 1967 DAG size of output: 1313 [2021-05-03 21:18:47,864 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 1954 DAG size of output: 1952 [2021-05-03 21:18:48,314 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 1885 DAG size of output: 2090 [2021-05-03 21:18:48,485 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 1388 DAG size of output: 1370 [2021-05-03 21:18:48,837 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 1250 DAG size of output: 1248 [2021-05-03 21:18:49,302 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 1202 DAG size of output: 1166 [2021-05-03 21:18:49,457 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 1155 DAG size of output: 1155 [2021-05-03 21:18:49,643 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 1131 DAG size of output: 1416 [2021-05-03 21:18:49,803 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 946 DAG size of output: 1130 [2021-05-03 21:18:49,917 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 876 DAG size of output: 874 [2021-05-03 21:18:51,376 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 820 DAG size of output: 949 [2021-05-03 21:18:51,489 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 743 DAG size of output: 969 [2021-05-03 21:18:52,788 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 963 DAG size of output: 786 [2021-05-03 21:18:52,909 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 1135 DAG size of output: 884 [2021-05-03 21:18:53,041 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 1196 DAG size of output: 913 [2021-05-03 21:18:53,286 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 2191 DAG size of output: 1524 [2021-05-03 21:18:53,601 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 2245 DAG size of output: 1553 [2021-05-03 21:18:54,134 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 3475 DAG size of output: 2322 [2021-05-03 21:18:55,121 WARN L205 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 6866 DAG size of output: 4100 [2021-05-03 21:18:56,195 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 7402 DAG size of output: 4105 [2021-05-03 21:18:57,280 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 7402 DAG size of output: 4105 [2021-05-03 21:18:58,383 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 7407 DAG size of output: 4110 [2021-05-03 21:18:58,880 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 4112 DAG size of output: 2364 [2021-05-03 21:18:59,252 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 2072 DAG size of output: 1846 [2021-05-03 21:18:59,569 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 1675 DAG size of output: 1494 [2021-05-03 21:18:59,682 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 937 DAG size of output: 908 [2021-05-03 21:19:01,578 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 1191 DAG size of output: 858 [2021-05-03 21:19:01,734 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 841 DAG size of output: 972 [2021-05-03 21:19:03,992 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 1057 DAG size of output: 813 [2021-05-03 21:19:04,192 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 1945 DAG size of output: 1310 [2021-05-03 21:19:05,119 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 2171 DAG size of output: 1451 [2021-05-03 21:19:05,398 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 2265 DAG size of output: 1520 [2021-05-03 21:19:05,654 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 2265 DAG size of output: 1520 [2021-05-03 21:19:05,915 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 2267 DAG size of output: 1522 [2021-05-03 21:19:06,065 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 1526 DAG size of output: 877 [2021-05-03 21:19:06,635 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 21:19:06,636 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 21:19:06,636 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 21:19:06,636 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:59, output treesize:3 [2021-05-03 21:19:06,640 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:19:06,641 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 21:19:06,641 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 40 [2021-05-03 21:19:06,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078161975] [2021-05-03 21:19:06,641 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-05-03 21:19:06,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 21:19:06,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-05-03 21:19:06,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=1540, Unknown=0, NotChecked=0, Total=1640 [2021-05-03 21:19:06,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:19:06,642 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 21:19:06,642 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 1.2195121951219512) internal successors, (50), 40 states have internal predecessors, (50), 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) [2021-05-03 21:19:06,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:19:06,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:19:06,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:19:06,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 21:19:06,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:19:06,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:19:06,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:19:06,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 21:19:06,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 21:19:06,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:19:06,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:19:06,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 21:19:06,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-05-03 21:19:06,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 21:19:06,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 21:19:06,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 21:19:06,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-05-03 21:19:06,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:19:07,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:19:07,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:19:07,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:19:07,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 21:19:07,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:19:07,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:19:07,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:19:07,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 21:19:07,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 21:19:07,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:19:07,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:19:07,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 21:19:07,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-03 21:19:07,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 21:19:07,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 21:19:07,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 21:19:07,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-05-03 21:19:07,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-05-03 21:19:07,284 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42160 [2021-05-03 21:19:07,285 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 21:19:07,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 21:19:07,285 INFO L82 PathProgramCache]: Analyzing trace with hash -41068971, now seen corresponding path program 15 times [2021-05-03 21:19:07,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 21:19:07,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440026677] [2021-05-03 21:19:07,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 21:19:07,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:19:07,616 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:19:07,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440026677] [2021-05-03 21:19:07,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [275181478] [2021-05-03 21:19:07,617 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 21:19:07,660 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-05-03 21:19:07,660 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 21:19:07,661 WARN L261 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 65 conjunts are in the unsatisfiable core [2021-05-03 21:19:07,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 21:19:08,990 WARN L205 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2021-05-03 21:19:08,990 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 21:19:08,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 27 new quantified variables, introduced 91 case distinctions, treesize of input 63 treesize of output 774 [2021-05-03 21:19:12,242 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 1319 DAG size of output: 1082 [2021-05-03 21:19:14,215 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 1054 DAG size of output: 948 [2021-05-03 21:19:16,231 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 1718 DAG size of output: 1504 [2021-05-03 21:19:16,529 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 2711 DAG size of output: 2240 [2021-05-03 21:19:16,835 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 2711 DAG size of output: 2240 [2021-05-03 21:19:17,353 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 2734 DAG size of output: 2263 [2021-05-03 21:19:18,004 WARN L205 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 2265 DAG size of output: 2760 [2021-05-03 21:19:18,699 WARN L205 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 2214 DAG size of output: 2345 [2021-05-03 21:19:19,053 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 2206 DAG size of output: 2185 [2021-05-03 21:19:19,184 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 1060 [2021-05-03 21:19:19,323 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 714 DAG size of output: 839 [2021-05-03 21:19:19,499 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 922 [2021-05-03 21:19:19,651 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 873 [2021-05-03 21:19:19,779 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 765 [2021-05-03 21:19:19,890 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 791 [2021-05-03 21:19:20,986 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 616 [2021-05-03 21:19:23,057 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 1059 DAG size of output: 974 [2021-05-03 21:19:23,258 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 1251 DAG size of output: 1159 [2021-05-03 21:19:23,376 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 424 DAG size of output: 560 [2021-05-03 21:19:24,932 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 1672 DAG size of output: 1653 [2021-05-03 21:19:28,388 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 875 [2021-05-03 21:19:28,660 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 1478 DAG size of output: 1278 [2021-05-03 21:19:29,150 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 2806 DAG size of output: 2648 [2021-05-03 21:19:32,118 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 1268 DAG size of output: 1210 [2021-05-03 21:19:32,380 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 1290 DAG size of output: 1224 [2021-05-03 21:19:34,741 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 1013 DAG size of output: 847 [2021-05-03 21:19:35,046 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 1918 DAG size of output: 1735 [2021-05-03 21:19:35,944 WARN L205 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 4108 DAG size of output: 3861 [2021-05-03 21:19:37,089 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 424 DAG size of output: 510 [2021-05-03 21:19:40,687 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 894 DAG size of output: 855 [2021-05-03 21:19:40,964 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 1472 DAG size of output: 1415 [2021-05-03 21:19:43,637 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 1102 DAG size of output: 1097 [2021-05-03 21:19:45,924 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 996 DAG size of output: 930 [2021-05-03 21:19:46,242 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 1885 DAG size of output: 1855 [2021-05-03 21:19:46,793 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 2979 DAG size of output: 2592 [2021-05-03 21:19:47,559 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 3330 DAG size of output: 2923 [2021-05-03 21:19:49,842 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1034 DAG size of output: 935 [2021-05-03 21:19:50,334 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 1354 DAG size of output: 1208 [2021-05-03 21:19:52,807 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 1049 DAG size of output: 1054 [2021-05-03 21:19:53,701 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 1683 DAG size of output: 1619 [2021-05-03 21:19:54,090 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 2475 DAG size of output: 2361 [2021-05-03 21:19:55,983 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 895 DAG size of output: 878 [2021-05-03 21:19:57,734 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 1440 DAG size of output: 1361 [2021-05-03 21:19:58,372 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 1717 DAG size of output: 1614 [2021-05-03 21:19:59,147 WARN L205 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 3510 DAG size of output: 3419 [2021-05-03 21:20:00,482 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 5856 DAG size of output: 5538 [2021-05-03 21:20:01,894 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 5911 DAG size of output: 5557 [2021-05-03 21:20:04,641 WARN L205 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 9470 DAG size of output: 8715 [2021-05-03 21:20:08,160 WARN L205 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 9893 DAG size of output: 8955 [2021-05-03 21:20:09,375 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 876 DAG size of output: 718 [2021-05-03 21:20:11,158 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 1625 DAG size of output: 1180 [2021-05-03 21:20:12,963 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 968 DAG size of output: 790 [2021-05-03 21:20:13,380 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 2310 DAG size of output: 1732 [2021-05-03 21:20:17,087 WARN L205 SmtUtils]: Spent 3.67 s on a formula simplification. DAG size of input: 11843 DAG size of output: 10408 [2021-05-03 21:20:20,795 WARN L205 SmtUtils]: Spent 3.62 s on a formula simplification. DAG size of input: 12069 DAG size of output: 10662 [2021-05-03 21:20:24,586 WARN L205 SmtUtils]: Spent 3.70 s on a formula simplification. DAG size of input: 12304 DAG size of output: 10799 [2021-05-03 21:20:28,413 WARN L205 SmtUtils]: Spent 3.74 s on a formula simplification. DAG size of input: 12623 DAG size of output: 11076 [2021-05-03 21:20:28,637 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 770 [2021-05-03 21:20:30,160 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 592 [2021-05-03 21:20:33,103 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 771 DAG size of output: 770 [2021-05-03 21:20:34,359 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 1222 DAG size of output: 1178 [2021-05-03 21:20:34,575 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 1295 DAG size of output: 1237 [2021-05-03 21:20:36,457 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 990 [2021-05-03 21:20:39,120 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 1517 DAG size of output: 1293 [2021-05-03 21:20:39,401 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 2085 DAG size of output: 1873 [2021-05-03 21:20:39,904 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 3132 DAG size of output: 2873 [2021-05-03 21:20:43,001 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 1199 DAG size of output: 1078 [2021-05-03 21:20:43,217 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 1771 DAG size of output: 1614 [2021-05-03 21:20:45,809 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 973 DAG size of output: 870 [2021-05-03 21:20:45,968 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 1473 DAG size of output: 1347 [2021-05-03 21:20:46,375 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 2646 DAG size of output: 2378 [2021-05-03 21:20:49,020 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 1314 DAG size of output: 1284 [2021-05-03 21:20:51,637 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 1313 DAG size of output: 1108 [2021-05-03 21:20:53,760 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1157 DAG size of output: 1094 [2021-05-03 21:20:53,939 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 1231 DAG size of output: 1163 [2021-05-03 21:20:54,229 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 2206 DAG size of output: 1970 [2021-05-03 21:20:54,708 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 3256 DAG size of output: 2982 [2021-05-03 21:20:55,699 WARN L205 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 4900 DAG size of output: 4652 [2021-05-03 21:20:57,940 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 1221 DAG size of output: 1050 [2021-05-03 21:20:59,351 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 1852 DAG size of output: 1640 [2021-05-03 21:21:02,017 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 1417 DAG size of output: 1310 [2021-05-03 21:21:02,372 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 2751 DAG size of output: 2408 [2021-05-03 21:21:04,065 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 8107 DAG size of output: 7809 [2021-05-03 21:21:06,753 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 1136 DAG size of output: 956 [2021-05-03 21:21:06,891 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 1152 DAG size of output: 972 [2021-05-03 21:21:07,841 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 1169 DAG size of output: 1060 [2021-05-03 21:21:09,732 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 1267 DAG size of output: 1175 [2021-05-03 21:21:11,795 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 1125 DAG size of output: 949 [2021-05-03 21:21:11,947 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 1141 DAG size of output: 965 [2021-05-03 21:21:12,888 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 1158 DAG size of output: 1056 [2021-05-03 21:21:14,675 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 1256 DAG size of output: 1171 [2021-05-03 21:21:15,153 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 2376 DAG size of output: 2190 [2021-05-03 21:21:17,802 WARN L205 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 10534 DAG size of output: 10078 [2021-05-03 21:21:21,096 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1090 DAG size of output: 1011 [2021-05-03 21:21:21,377 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 1496 DAG size of output: 1466 [2021-05-03 21:21:22,244 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 2068 DAG size of output: 1823 [2021-05-03 21:21:25,071 WARN L205 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 12450 DAG size of output: 11688 [2021-05-03 21:21:28,196 WARN L205 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 13101 DAG size of output: 12266 [2021-05-03 21:21:31,389 WARN L205 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 13395 DAG size of output: 12440 [2021-05-03 21:21:34,853 WARN L205 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 14397 DAG size of output: 13079 [2021-05-03 21:21:38,716 WARN L205 SmtUtils]: Spent 3.77 s on a formula simplification. DAG size of input: 14649 DAG size of output: 13223 [2021-05-03 21:21:42,583 WARN L205 SmtUtils]: Spent 3.77 s on a formula simplification. DAG size of input: 14977 DAG size of output: 13506 [2021-05-03 21:21:47,569 WARN L205 SmtUtils]: Spent 3.94 s on a formula simplification. DAG size of input: 15194 DAG size of output: 13738 [2021-05-03 21:21:54,921 WARN L205 SmtUtils]: Spent 7.24 s on a formula simplification. DAG size of input: 26745 DAG size of output: 23370 [2021-05-03 21:21:55,161 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 851 [2021-05-03 21:21:55,319 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 954 [2021-05-03 21:21:55,433 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 655 DAG size of output: 927 [2021-05-03 21:21:55,544 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 650 DAG size of output: 911 [2021-05-03 21:21:57,086 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 557 DAG size of output: 827 [2021-05-03 21:21:59,826 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 997 DAG size of output: 862 [2021-05-03 21:22:00,968 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 1732 DAG size of output: 1508 [2021-05-03 21:22:01,223 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 1999 DAG size of output: 1657 [2021-05-03 21:22:05,574 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 1261 DAG size of output: 1207 [2021-05-03 21:22:05,731 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 1380 DAG size of output: 1286 [2021-05-03 21:22:06,044 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 2319 DAG size of output: 2179 [2021-05-03 21:22:06,630 WARN L205 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 3783 DAG size of output: 3037 [2021-05-03 21:22:08,306 WARN L205 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 4152 DAG size of output: 3383 [2021-05-03 21:22:10,164 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 1017 DAG size of output: 785 [2021-05-03 21:22:11,817 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1000 DAG size of output: 921 [2021-05-03 21:22:12,260 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 1271 DAG size of output: 1151 [2021-05-03 21:22:12,547 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 1888 DAG size of output: 1608 [2021-05-03 21:22:14,225 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 1244 DAG size of output: 1149 [2021-05-03 21:22:15,602 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 1820 DAG size of output: 1729 [2021-05-03 21:22:17,950 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 1404 DAG size of output: 1234 [2021-05-03 21:22:18,428 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 2664 DAG size of output: 2563 [2021-05-03 21:22:19,078 WARN L205 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 3829 DAG size of output: 3556 [2021-05-03 21:22:19,760 WARN L205 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 4064 DAG size of output: 3714 [2021-05-03 21:22:21,130 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 7138 DAG size of output: 6235 [2021-05-03 21:22:23,334 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 620 DAG size of output: 565 [2021-05-03 21:22:23,448 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 868 DAG size of output: 780 [2021-05-03 21:22:25,051 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 924 DAG size of output: 881 [2021-05-03 21:22:25,273 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 1542 DAG size of output: 1430 [2021-05-03 21:22:25,526 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 1772 DAG size of output: 1590 [2021-05-03 21:22:25,871 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 2049 DAG size of output: 1818 [2021-05-03 21:22:25,989 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 642 [2021-05-03 21:22:28,653 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 1221 DAG size of output: 1101 [2021-05-03 21:22:28,851 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 1713 DAG size of output: 1582 [2021-05-03 21:22:31,351 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 1317 DAG size of output: 1181 [2021-05-03 21:22:31,703 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 2506 DAG size of output: 2399 [2021-05-03 21:22:32,111 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 2728 DAG size of output: 2579 [2021-05-03 21:22:32,912 WARN L205 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 4060 DAG size of output: 3794 [2021-05-03 21:22:35,790 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 1055 DAG size of output: 961 [2021-05-03 21:22:37,637 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 1745 DAG size of output: 1637 [2021-05-03 21:22:37,989 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 2011 DAG size of output: 1797 [2021-05-03 21:22:42,591 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 1244 DAG size of output: 1209 [2021-05-03 21:22:42,755 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 1371 DAG size of output: 1304 [2021-05-03 21:22:43,070 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 2160 DAG size of output: 2102 [2021-05-03 21:22:43,663 WARN L205 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 3647 DAG size of output: 3063 [2021-05-03 21:22:44,416 WARN L205 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 3970 DAG size of output: 3377 [2021-05-03 21:22:45,919 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 7065 DAG size of output: 6258 [2021-05-03 21:22:48,883 WARN L205 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 13484 DAG size of output: 11267 [2021-05-03 21:22:50,295 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 815 DAG size of output: 673 [2021-05-03 21:22:51,871 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 771 DAG size of output: 561 [2021-05-03 21:22:52,091 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 1432 DAG size of output: 1098 [2021-05-03 21:22:54,761 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 1206 DAG size of output: 964 [2021-05-03 21:22:55,170 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 2424 DAG size of output: 1788 [2021-05-03 21:22:58,832 WARN L205 SmtUtils]: Spent 3.62 s on a formula simplification. DAG size of input: 15746 DAG size of output: 12900 [2021-05-03 21:23:03,813 WARN L205 SmtUtils]: Spent 3.67 s on a formula simplification. DAG size of input: 16353 DAG size of output: 13473 [2021-05-03 21:23:09,554 WARN L205 SmtUtils]: Spent 4.36 s on a formula simplification. DAG size of input: 17666 DAG size of output: 14071 [2021-05-03 21:23:14,071 WARN L205 SmtUtils]: Spent 4.38 s on a formula simplification. DAG size of input: 17919 DAG size of output: 14391 [2021-05-03 21:23:18,684 WARN L205 SmtUtils]: Spent 4.51 s on a formula simplification. DAG size of input: 18270 DAG size of output: 14573 [2021-05-03 21:23:23,671 WARN L205 SmtUtils]: Spent 4.87 s on a formula simplification. DAG size of input: 18574 DAG size of output: 14802 [2021-05-03 21:23:23,875 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 651 DAG size of output: 927 [2021-05-03 21:23:25,407 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 841 [2021-05-03 21:23:29,552 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 1398 DAG size of output: 1253 [2021-05-03 21:23:32,560 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 2259 DAG size of output: 1943 [2021-05-03 21:23:34,451 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 946 DAG size of output: 977 [2021-05-03 21:23:36,622 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 1584 DAG size of output: 1581 [2021-05-03 21:23:37,158 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 3125 DAG size of output: 2976 [2021-05-03 21:23:39,390 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1121 DAG size of output: 1051 [2021-05-03 21:23:41,469 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 1087 DAG size of output: 1007 [2021-05-03 21:23:41,713 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 1739 DAG size of output: 1689 [2021-05-03 21:23:44,248 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 963 [2021-05-03 21:23:46,709 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 1225 DAG size of output: 1105 [2021-05-03 21:23:46,994 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 2086 DAG size of output: 1855 [2021-05-03 21:23:48,191 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 5189 DAG size of output: 5120 [2021-05-03 21:23:49,754 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 5464 DAG size of output: 5420 [2021-05-03 21:23:51,261 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 5505 DAG size of output: 5370 [2021-05-03 21:23:51,417 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 718 [2021-05-03 21:23:54,924 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 1254 DAG size of output: 1164 [2021-05-03 21:23:57,208 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 1100 DAG size of output: 895 [2021-05-03 21:23:57,489 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 1982 DAG size of output: 1548 [2021-05-03 21:23:59,560 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 904 [2021-05-03 21:24:00,700 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 612 [2021-05-03 21:24:02,118 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 1367 DAG size of output: 1031 [2021-05-03 21:24:02,702 WARN L205 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 3540 DAG size of output: 2743 [2021-05-03 21:24:03,306 WARN L205 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 3752 DAG size of output: 2945 [2021-05-03 21:24:04,052 WARN L205 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 3782 DAG size of output: 2948 [2021-05-03 21:24:06,095 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 1201 DAG size of output: 1061 [2021-05-03 21:24:07,793 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 1737 DAG size of output: 1574 [2021-05-03 21:24:08,035 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 1758 DAG size of output: 1591 [2021-05-03 21:24:10,329 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 1304 DAG size of output: 1135 [2021-05-03 21:24:10,500 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 1332 DAG size of output: 1158 [2021-05-03 21:24:10,968 WARN L205 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 2755 DAG size of output: 2423 [2021-05-03 21:24:11,112 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 791 [2021-05-03 21:24:13,702 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 1211 DAG size of output: 1039 [2021-05-03 21:24:15,353 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 934 DAG size of output: 751 [2021-05-03 21:24:15,474 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 958 DAG size of output: 763 [2021-05-03 21:24:15,780 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 1912 DAG size of output: 1493 [2021-05-03 21:24:16,565 WARN L205 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 3858 DAG size of output: 3339 [2021-05-03 21:24:18,149 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 6616 DAG size of output: 5590 [2021-05-03 21:24:20,998 WARN L205 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 11460 DAG size of output: 9966 [2021-05-03 21:24:23,124 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1214 DAG size of output: 908 [2021-05-03 21:24:25,030 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1182 DAG size of output: 876 [2021-05-03 21:24:25,321 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 2166 DAG size of output: 1467 [2021-05-03 21:24:28,802 WARN L205 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 13202 DAG size of output: 11038 [2021-05-03 21:24:32,327 WARN L205 SmtUtils]: Spent 3.43 s on a formula simplification. DAG size of input: 14429 DAG size of output: 11480 [2021-05-03 21:24:37,288 WARN L205 SmtUtils]: Spent 3.87 s on a formula simplification. DAG size of input: 14709 DAG size of output: 11827 [2021-05-03 21:24:41,546 WARN L205 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 15008 DAG size of output: 12048 [2021-05-03 21:24:50,386 WARN L205 SmtUtils]: Spent 8.73 s on a formula simplification. DAG size of input: 32411 DAG size of output: 25107 [2021-05-03 21:24:59,955 WARN L205 SmtUtils]: Spent 9.38 s on a formula simplification. DAG size of input: 32818 DAG size of output: 25389 [2021-05-03 21:25:19,250 WARN L205 SmtUtils]: Spent 19.07 s on a formula simplification. DAG size of input: 57077 DAG size of output: 45107 [2021-05-03 21:25:39,721 WARN L205 SmtUtils]: Spent 20.06 s on a formula simplification. DAG size of input: 57471 DAG size of output: 45432 [2021-05-03 21:25:40,124 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 596 DAG size of output: 753 [2021-05-03 21:25:40,363 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 582 DAG size of output: 833 [2021-05-03 21:25:40,475 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 808 [2021-05-03 21:25:41,962 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 905 DAG size of output: 708 [2021-05-03 21:25:43,480 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 1504 DAG size of output: 1076 [2021-05-03 21:25:43,603 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 760 [2021-05-03 21:25:47,068 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 957 DAG size of output: 970 [2021-05-03 21:25:50,616 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 817 DAG size of output: 925 [2021-05-03 21:25:50,849 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 1283 DAG size of output: 1415 [2021-05-03 21:25:51,291 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 2055 DAG size of output: 2188 [2021-05-03 21:25:53,808 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 998 DAG size of output: 964 [2021-05-03 21:25:55,748 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 1112 DAG size of output: 1001 [2021-05-03 21:25:57,958 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 1055 DAG size of output: 889 [2021-05-03 21:25:59,852 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 601 DAG size of output: 570 [2021-05-03 21:26:00,025 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 1018 DAG size of output: 971 [2021-05-03 21:26:00,278 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 1770 DAG size of output: 1581 [2021-05-03 21:26:00,818 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 2742 DAG size of output: 2659 Received shutdown request... [2021-05-03 21:26:01,863 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 4053 DAG size of output: 4092 [2021-05-03 21:26:02,102 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51164,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 21:26:02,103 WARN L545 AbstractCegarLoop]: Verification canceled [2021-05-03 21:26:02,112 WARN L224 ceAbstractionStarter]: Timeout [2021-05-03 21:26:02,113 INFO L202 PluginConnector]: Adding new model unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 09:26:02 BasicIcfg [2021-05-03 21:26:02,113 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-03 21:26:02,113 INFO L168 Benchmark]: Toolchain (without parser) took 856798.92 ms. Allocated memory was 364.9 MB in the beginning and 4.0 GB in the end (delta: 3.6 GB). Free memory was 344.1 MB in the beginning and 3.2 GB in the end (delta: -2.8 GB). Peak memory consumption was 2.5 GB. Max. memory is 16.0 GB. [2021-05-03 21:26:02,113 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 364.9 MB. Free memory is still 345.3 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-05-03 21:26:02,113 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.29 ms. Allocated memory is still 364.9 MB. Free memory was 344.0 MB in the beginning and 342.6 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-03 21:26:02,113 INFO L168 Benchmark]: Boogie Preprocessor took 12.60 ms. Allocated memory is still 364.9 MB. Free memory was 342.5 MB in the beginning and 341.6 MB in the end (delta: 936.2 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-03 21:26:02,113 INFO L168 Benchmark]: RCFGBuilder took 403.63 ms. Allocated memory is still 364.9 MB. Free memory was 341.5 MB in the beginning and 324.1 MB in the end (delta: 17.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. [2021-05-03 21:26:02,114 INFO L168 Benchmark]: TraceAbstraction took 856356.93 ms. Allocated memory was 364.9 MB in the beginning and 4.0 GB in the end (delta: 3.6 GB). Free memory was 323.7 MB in the beginning and 3.2 GB in the end (delta: -2.8 GB). Peak memory consumption was 2.5 GB. Max. memory is 16.0 GB. [2021-05-03 21:26:02,114 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 364.9 MB. Free memory is still 345.3 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 21.29 ms. Allocated memory is still 364.9 MB. Free memory was 344.0 MB in the beginning and 342.6 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 12.60 ms. Allocated memory is still 364.9 MB. Free memory was 342.5 MB in the beginning and 341.6 MB in the end (delta: 936.2 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 403.63 ms. Allocated memory is still 364.9 MB. Free memory was 341.5 MB in the beginning and 324.1 MB in the end (delta: 17.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. * TraceAbstraction took 856356.93 ms. Allocated memory was 364.9 MB in the beginning and 4.0 GB in the end (delta: 3.6 GB). Free memory was 323.7 MB in the beginning and 3.2 GB in the end (delta: -2.8 GB). Peak memory consumption was 2.5 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 574, positive: 346, positive conditional: 346, positive unconditional: 0, negative: 228, negative conditional: 228, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 346, positive: 346, positive conditional: 346, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 405, positive: 402, positive conditional: 0, positive unconditional: 402, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 59, positive: 56, positive conditional: 0, positive unconditional: 56, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 59, positive: 52, positive conditional: 0, positive unconditional: 52, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 101, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 405, positive: 346, positive conditional: 0, positive unconditional: 346, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 59, unknown conditional: 0, unknown unconditional: 59] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 101, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 101, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 101, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 101, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 101, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 101, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 101, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 101, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 101, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 101, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 101, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 101, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 101, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 101, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 101, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 101, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 101, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 101, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 228 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 131, Number of persistent set computation: 433, Number of trivial persistent sets: 431, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 405, positive: 402, positive conditional: 0, positive unconditional: 402, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 59, positive: 56, positive conditional: 0, positive unconditional: 56, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 59, positive: 52, positive conditional: 0, positive unconditional: 52, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 101, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 405, positive: 346, positive conditional: 0, positive unconditional: 346, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 59, unknown conditional: 0, unknown unconditional: 59] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 - TimeoutResultAtElement [Line: 61]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 61). Cancelled while PartialOrderCegarLoop was analyzing trace of length 29 with TraceHistMax 14,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 856243.0ms, OverallIterations: 19, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.4ms, PartialOrderReductionTime: 4232.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 201, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 103.4ms SsaConstructionTime, 463.5ms SatisfiabilityAnalysisTime, 432515.5ms InterpolantComputationTime, 656 NumberOfCodeBlocks, 656 NumberOfCodeBlocksAsserted, 68 NumberOfCheckSat, 621 ConstructedInterpolants, 0 QuantifiedInterpolants, 9280 SizeOfPredicates, 35 NumberOfNonLiveVariables, 1292 ConjunctsInSsa, 584 ConjunctsInUnsatCore, 35 InterpolantComputations, 1 PerfectInterpolantSequences, 214/1330 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown