/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-Persistent-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 [2021-05-04 00:09:49,466 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-04 00:09:49,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-04 00:09:49,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-05-04 00:09:49,540 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-Persistent-NoLbe.epf [2021-05-04 00:09:49,566 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-04 00:09:49,566 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-04 00:09:49,567 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-05-04 00:09:49,567 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-05-04 00:09:49,568 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-04 00:09:49,569 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-04 00:09:49,569 INFO L138 SettingsManager]: * Use SBE=true [2021-05-04 00:09:49,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-04 00:09:49,569 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-04 00:09:49,569 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-04 00:09:49,570 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-04 00:09:49,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-04 00:09:49,570 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-04 00:09:49,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-04 00:09:49,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-04 00:09:49,570 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-04 00:09:49,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-04 00:09:49,570 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-04 00:09:49,571 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-04 00:09:49,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-04 00:09:49,571 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-04 00:09:49,571 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-04 00:09:49,571 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-04 00:09:49,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-04 00:09:49,571 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-04 00:09:49,571 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-04 00:09:49,571 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-04 00:09:49,572 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-04 00:09:49,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-04 00:09:49,572 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-05-04 00:09:49,572 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-05-04 00:09:49,572 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-04 00:09:49,572 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SETS [2021-05-04 00:09:49,572 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-04 00:09:49,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-04 00:09:49,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-04 00:09:49,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-04 00:09:49,858 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-05-04 00:09:49,859 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-05-04 00:09:49,859 INFO L432 ainManager$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 [2021-05-04 00:09:49,859 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-3.wvr.bpl' [2021-05-04 00:09:49,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-04 00:09:49,891 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-05-04 00:09:49,892 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-05-04 00:09:49,892 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-05-04 00:09:49,892 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-05-04 00:09:49,901 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 04.05 12:09:49" (1/1) ... [2021-05-04 00:09:49,908 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 04.05 12:09:49" (1/1) ... [2021-05-04 00:09:49,914 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-05-04 00:09:49,916 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-04 00:09:49,916 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-04 00:09:49,916 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-04 00:09:49,921 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 04.05 12:09:49" (1/1) ... [2021-05-04 00:09:49,922 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 04.05 12:09:49" (1/1) ... [2021-05-04 00:09:49,922 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 04.05 12:09:49" (1/1) ... [2021-05-04 00:09:49,923 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 04.05 12:09:49" (1/1) ... [2021-05-04 00:09:49,925 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 04.05 12:09:49" (1/1) ... [2021-05-04 00:09:49,928 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 04.05 12:09:49" (1/1) ... [2021-05-04 00:09:49,929 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 04.05 12:09:49" (1/1) ... [2021-05-04 00:09:49,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-04 00:09:49,931 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-04 00:09:49,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-04 00:09:49,931 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-04 00:09:49,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:09:49" (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 [2021-05-04 00:09:49,988 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-05-04 00:09:49,988 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-05-04 00:09:49,989 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-05-04 00:09:49,989 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-05-04 00:09:49,989 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-05-04 00:09:49,989 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-05-04 00:09:49,989 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-05-04 00:09:49,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-04 00:09:49,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-04 00:09:49,990 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-05-04 00:09:50,168 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-04 00:09:50,168 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-05-04 00:09:50,169 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-05-04 00:09:50,170 INFO L202 PluginConnector]: Adding new model unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 12:09:50 BoogieIcfgContainer [2021-05-04 00:09:50,170 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-04 00:09:50,171 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-04 00:09:50,171 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-04 00:09:50,173 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-04 00:09:50,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:09:49" (1/2) ... [2021-05-04 00:09:50,174 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@220b9e72 and model type unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 12:09:50, skipping insertion in model container [2021-05-04 00:09:50,174 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 04.05 12:09:50" (2/2) ... [2021-05-04 00:09:50,175 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-3.wvr.bpl [2021-05-04 00:09:50,179 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-05-04 00:09:50,179 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-04 00:09:50,197 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-04 00:09:50,198 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-05-04 00:09:50,240 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-05-04 00:09:50,261 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 [2021-05-04 00:09:50,294 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-04 00:09:50,294 INFO L377 AbstractCegarLoop]: Hoare is true [2021-05-04 00:09:50,294 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-04 00:09:50,294 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-04 00:09:50,294 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-04 00:09:50,294 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-04 00:09:50,294 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-04 00:09:50,295 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-04 00:09:50,390 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 00:09:50,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 00:09:50,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1855568491, now seen corresponding path program 1 times [2021-05-04 00:09:50,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 00:09:50,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51357336] [2021-05-04 00:09:50,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 00:09:50,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:09:50,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:50,590 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51357336] [2021-05-04 00:09:50,591 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-04 00:09:50,591 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-04 00:09:50,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756744559] [2021-05-04 00:09:50,595 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-04 00:09:50,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 00:09:50,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-04 00:09:50,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-05-04 00:09:50,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:50,605 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 00:09:50,606 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) [2021-05-04 00:09:50,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:50,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:50,632 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-04 00:09:50,633 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 00:09:50,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 00:09:50,633 INFO L82 PathProgramCache]: Analyzing trace with hash 115532281, now seen corresponding path program 1 times [2021-05-04 00:09:50,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 00:09:50,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132974689] [2021-05-04 00:09:50,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 00:09:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:09:50,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:50,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132974689] [2021-05-04 00:09:50,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1188886580] [2021-05-04 00:09:50,726 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 [2021-05-04 00:09:50,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:09:50,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 16 conjunts are in the unsatisfiable core [2021-05-04 00:09:50,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 00:09:50,950 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 [2021-05-04 00:09:50,953 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-04 00:09:50,954 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:09:50,955 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-04 00:09:50,955 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2021-05-04 00:09:50,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:50,965 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 00:09:50,965 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-05-04 00:09:50,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915824130] [2021-05-04 00:09:50,968 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-05-04 00:09:50,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 00:09:50,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-05-04 00:09:50,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-05-04 00:09:50,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:50,971 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 00:09:50,971 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) [2021-05-04 00:09:50,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:50,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:51,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:51,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:51,229 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 00:09:51,229 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 00:09:51,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 00:09:51,230 INFO L82 PathProgramCache]: Analyzing trace with hash 1090114069, now seen corresponding path program 2 times [2021-05-04 00:09:51,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 00:09:51,230 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368218693] [2021-05-04 00:09:51,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 00:09:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:09:51,278 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:51,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368218693] [2021-05-04 00:09:51,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1257764065] [2021-05-04 00:09:51,278 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 [2021-05-04 00:09:51,296 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-04 00:09:51,297 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 00:09:51,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 16 conjunts are in the unsatisfiable core [2021-05-04 00:09:51,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 00:09:51,388 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:09:51,388 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 [2021-05-04 00:09:51,391 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-04 00:09:51,392 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:09:51,392 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-04 00:09:51,392 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-05-04 00:09:51,397 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:51,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 00:09:51,397 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-05-04 00:09:51,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519679845] [2021-05-04 00:09:51,398 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-05-04 00:09:51,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 00:09:51,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-05-04 00:09:51,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-05-04 00:09:51,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:51,399 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 00:09:51,399 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) [2021-05-04 00:09:51,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:51,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:51,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:51,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:51,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:51,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:51,637 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 00:09:51,638 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 00:09:51,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 00:09:51,638 INFO L82 PathProgramCache]: Analyzing trace with hash 1237378425, now seen corresponding path program 3 times [2021-05-04 00:09:51,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 00:09:51,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401633478] [2021-05-04 00:09:51,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 00:09:51,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:09:51,678 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:51,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401633478] [2021-05-04 00:09:51,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1208928528] [2021-05-04 00:09:51,678 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 [2021-05-04 00:09:51,699 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-05-04 00:09:51,699 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 00:09:51,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 5 conjunts are in the unsatisfiable core [2021-05-04 00:09:51,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 00:09:51,734 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:51,734 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 00:09:51,734 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-05-04 00:09:51,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998942457] [2021-05-04 00:09:51,734 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-05-04 00:09:51,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 00:09:51,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-05-04 00:09:51,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-05-04 00:09:51,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:51,735 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 00:09:51,735 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) [2021-05-04 00:09:51,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:51,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:51,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:51,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:09:51,977 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 00:09:51,978 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 00:09:51,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 00:09:51,978 INFO L82 PathProgramCache]: Analyzing trace with hash -269349066, now seen corresponding path program 1 times [2021-05-04 00:09:51,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 00:09:51,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366036734] [2021-05-04 00:09:51,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 00:09:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:09:52,057 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:52,057 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366036734] [2021-05-04 00:09:52,057 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407203478] [2021-05-04 00:09:52,057 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) [2021-05-04 00:09:52,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 00:09:52,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 23 conjunts are in the unsatisfiable core [2021-05-04 00:09:52,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 00:09:52,253 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:09:52,253 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 [2021-05-04 00:09:52,278 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-04 00:09:52,279 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:09:52,279 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-04 00:09:52,279 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-05-04 00:09:52,283 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:52,283 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 00:09:52,284 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-05-04 00:09:52,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564439193] [2021-05-04 00:09:52,284 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-05-04 00:09:52,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 00:09:52,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-05-04 00:09:52,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-05-04 00:09:52,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:52,285 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 00:09:52,285 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) [2021-05-04 00:09:52,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:52,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:52,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:52,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:09:52,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:52,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:52,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:52,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:52,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:09:52,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:52,597 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 00:09:52,597 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 00:09:52,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 00:09:52,597 INFO L82 PathProgramCache]: Analyzing trace with hash -482223718, now seen corresponding path program 2 times [2021-05-04 00:09:52,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 00:09:52,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558501592] [2021-05-04 00:09:52,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 00:09:52,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:09:52,721 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:52,721 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558501592] [2021-05-04 00:09:52,722 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119899469] [2021-05-04 00:09:52,722 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 [2021-05-04 00:09:52,739 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-04 00:09:52,739 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 00:09:52,740 WARN L261 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 32 conjunts are in the unsatisfiable core [2021-05-04 00:09:52,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 00:09:52,927 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:09:52,928 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 [2021-05-04 00:09:52,960 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-04 00:09:52,961 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:09:52,962 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-04 00:09:52,962 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-05-04 00:09:52,966 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:52,966 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 00:09:52,966 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-05-04 00:09:52,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289397268] [2021-05-04 00:09:52,967 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-05-04 00:09:52,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 00:09:52,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-05-04 00:09:52,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2021-05-04 00:09:52,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:52,967 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 00:09:52,968 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) [2021-05-04 00:09:52,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:52,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:52,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:52,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:09:52,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:52,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:53,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:53,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:53,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:53,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:09:53,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:53,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:53,255 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 00:09:53,256 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 00:09:53,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 00:09:53,256 INFO L82 PathProgramCache]: Analyzing trace with hash 1508596662, now seen corresponding path program 3 times [2021-05-04 00:09:53,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 00:09:53,256 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129283021] [2021-05-04 00:09:53,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 00:09:53,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:09:53,353 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:53,353 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129283021] [2021-05-04 00:09:53,353 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442931359] [2021-05-04 00:09:53,353 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) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 00:09:53,374 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-05-04 00:09:53,374 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 00:09:53,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 28 conjunts are in the unsatisfiable core [2021-05-04 00:09:53,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 00:09:53,611 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:09:53,612 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 [2021-05-04 00:09:53,729 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-04 00:09:53,730 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:09:53,730 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-04 00:09:53,731 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-05-04 00:09:53,734 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:53,734 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 00:09:53,734 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-05-04 00:09:53,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636152820] [2021-05-04 00:09:53,735 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-05-04 00:09:53,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 00:09:53,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-05-04 00:09:53,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-05-04 00:09:53,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:53,735 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 00:09:53,735 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) [2021-05-04 00:09:53,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:53,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:53,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:53,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:09:53,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:53,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:53,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:53,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:53,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:53,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:53,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:09:53,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:53,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:53,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:54,033 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-05-04 00:09:54,033 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 00:09:54,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 00:09:54,034 INFO L82 PathProgramCache]: Analyzing trace with hash -1200480998, now seen corresponding path program 4 times [2021-05-04 00:09:54,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 00:09:54,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773058223] [2021-05-04 00:09:54,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 00:09:54,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:09:54,144 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:54,144 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773058223] [2021-05-04 00:09:54,144 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1076491956] [2021-05-04 00:09:54,144 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) [2021-05-04 00:09:54,165 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-04 00:09:54,166 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 00:09:54,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 9 conjunts are in the unsatisfiable core [2021-05-04 00:09:54,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 00:09:54,214 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:54,214 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 00:09:54,214 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-05-04 00:09:54,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192794354] [2021-05-04 00:09:54,215 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-05-04 00:09:54,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 00:09:54,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-05-04 00:09:54,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-05-04 00:09:54,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:54,217 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 00:09:54,217 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) [2021-05-04 00:09:54,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:54,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:54,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:54,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:09:54,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:54,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:54,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:54,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:54,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:54,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:54,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:54,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:09:54,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:54,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:54,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:54,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:09:54,497 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-05-04 00:09:54,497 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 00:09:54,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 00:09:54,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1466420149, now seen corresponding path program 5 times [2021-05-04 00:09:54,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 00:09:54,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630882764] [2021-05-04 00:09:54,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 00:09:54,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:09:54,670 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:54,671 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630882764] [2021-05-04 00:09:54,671 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1117163764] [2021-05-04 00:09:54,671 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 [2021-05-04 00:09:54,697 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-05-04 00:09:54,697 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 00:09:54,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 35 conjunts are in the unsatisfiable core [2021-05-04 00:09:54,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 00:09:54,996 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:09:54,997 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 [2021-05-04 00:09:55,186 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-04 00:09:55,187 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:09:55,187 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-04 00:09:55,187 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-05-04 00:09:55,195 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:55,195 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 00:09:55,195 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2021-05-04 00:09:55,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965312290] [2021-05-04 00:09:55,196 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-05-04 00:09:55,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 00:09:55,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-05-04 00:09:55,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2021-05-04 00:09:55,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:55,198 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 00:09:55,198 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) [2021-05-04 00:09:55,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:55,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:55,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:55,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:09:55,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:55,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:55,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:55,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:09:55,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:55,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:55,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:55,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:55,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:09:55,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:55,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:55,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:55,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:09:55,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-04 00:09:55,601 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-05-04 00:09:55,601 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 00:09:55,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 00:09:55,602 INFO L82 PathProgramCache]: Analyzing trace with hash 792970265, now seen corresponding path program 6 times [2021-05-04 00:09:55,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 00:09:55,602 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656764492] [2021-05-04 00:09:55,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 00:09:55,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:09:55,795 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:55,795 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656764492] [2021-05-04 00:09:55,795 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1399791283] [2021-05-04 00:09:55,796 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 [2021-05-04 00:09:55,817 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-05-04 00:09:55,817 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 00:09:55,818 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 48 conjunts are in the unsatisfiable core [2021-05-04 00:09:55,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 00:09:56,129 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:09:56,129 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 [2021-05-04 00:09:56,440 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-04 00:09:56,441 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:09:56,442 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-04 00:09:56,442 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:3 [2021-05-04 00:09:56,445 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:56,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 00:09:56,446 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-05-04 00:09:56,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685916536] [2021-05-04 00:09:56,446 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-05-04 00:09:56,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 00:09:56,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-05-04 00:09:56,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=540, Unknown=0, NotChecked=0, Total=600 [2021-05-04 00:09:56,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:56,447 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 00:09:56,447 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) [2021-05-04 00:09:56,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:56,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:56,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:56,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:09:56,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:56,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:56,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:56,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:09:56,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-04 00:09:56,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:56,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:56,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:56,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:56,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:09:56,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:56,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:56,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:56,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:09:56,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-04 00:09:56,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:09:56,796 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable111 [2021-05-04 00:09:56,797 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 00:09:56,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 00:09:56,797 INFO L82 PathProgramCache]: Analyzing trace with hash 1390860341, now seen corresponding path program 7 times [2021-05-04 00:09:56,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 00:09:56,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402603406] [2021-05-04 00:09:56,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 00:09:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:09:56,934 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:56,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402603406] [2021-05-04 00:09:56,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1160712899] [2021-05-04 00:09:56,935 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 [2021-05-04 00:09:56,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:09:56,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 40 conjunts are in the unsatisfiable core [2021-05-04 00:09:56,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 00:09:57,335 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-05-04 00:09:57,336 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:09:57,336 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 [2021-05-04 00:09:58,026 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-04 00:09:58,027 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:09:58,028 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-04 00:09:58,028 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-05-04 00:09:58,031 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:58,032 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 00:09:58,032 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-05-04 00:09:58,032 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374430681] [2021-05-04 00:09:58,032 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-05-04 00:09:58,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 00:09:58,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-05-04 00:09:58,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2021-05-04 00:09:58,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:58,033 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 00:09:58,033 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) [2021-05-04 00:09:58,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:58,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:58,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:58,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:09:58,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:58,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:58,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:58,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:09:58,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-04 00:09:58,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:09:58,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:58,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:58,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:58,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:58,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:09:58,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:58,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:58,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:58,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:09:58,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-04 00:09:58,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:09:58,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:09:58,453 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable198 [2021-05-04 00:09:58,453 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 00:09:58,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 00:09:58,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1549383783, now seen corresponding path program 8 times [2021-05-04 00:09:58,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 00:09:58,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94105595] [2021-05-04 00:09:58,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 00:09:58,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:09:58,530 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:58,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94105595] [2021-05-04 00:09:58,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1455063391] [2021-05-04 00:09:58,530 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 [2021-05-04 00:09:58,552 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-04 00:09:58,552 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 00:09:58,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 13 conjunts are in the unsatisfiable core [2021-05-04 00:09:58,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 00:09:58,600 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:58,600 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 00:09:58,600 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-05-04 00:09:58,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116819108] [2021-05-04 00:09:58,601 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-05-04 00:09:58,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 00:09:58,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-05-04 00:09:58,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-05-04 00:09:58,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:58,601 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 00:09:58,602 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) [2021-05-04 00:09:58,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:58,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:58,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:58,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:09:58,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:58,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:58,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:58,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:09:58,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-04 00:09:58,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:09:58,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:09:58,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:58,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:58,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:58,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:58,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:09:58,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:58,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:58,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:58,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:09:58,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-04 00:09:58,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:09:58,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:09:58,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:09:58,934 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable450,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 00:09:58,934 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 00:09:58,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 00:09:58,935 INFO L82 PathProgramCache]: Analyzing trace with hash -759631594, now seen corresponding path program 9 times [2021-05-04 00:09:58,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 00:09:58,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154750465] [2021-05-04 00:09:58,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 00:09:58,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:09:59,096 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:59,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154750465] [2021-05-04 00:09:59,102 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [567632937] [2021-05-04 00:09:59,102 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 [2021-05-04 00:09:59,127 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-05-04 00:09:59,127 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 00:09:59,130 WARN L261 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 47 conjunts are in the unsatisfiable core [2021-05-04 00:09:59,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 00:09:59,625 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-05-04 00:09:59,625 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:09:59,626 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 [2021-05-04 00:10:01,339 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-04 00:10:01,340 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:10:01,340 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-04 00:10:01,340 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-05-04 00:10:01,344 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:10:01,344 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 00:10:01,344 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-05-04 00:10:01,345 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622750347] [2021-05-04 00:10:01,346 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-04 00:10:01,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 00:10:01,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-04 00:10:01,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=854, Unknown=0, NotChecked=0, Total=930 [2021-05-04 00:10:01,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:10:01,347 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 00:10:01,347 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) [2021-05-04 00:10:01,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:10:01,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:10:01,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:10:01,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:10:01,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:10:01,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:10:01,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:10:01,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:10:01,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-04 00:10:01,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:10:01,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:10:01,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:10:01,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:10:01,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:10:01,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:10:01,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:10:01,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:10:01,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:10:01,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:10:01,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:10:01,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:10:01,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-04 00:10:01,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:10:01,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:10:01,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:10:01,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-04 00:10:01,899 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable451 [2021-05-04 00:10:01,899 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 00:10:01,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 00:10:01,899 INFO L82 PathProgramCache]: Analyzing trace with hash -245753990, now seen corresponding path program 10 times [2021-05-04 00:10:01,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 00:10:01,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342296508] [2021-05-04 00:10:01,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 00:10:01,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:10:02,148 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:10:02,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342296508] [2021-05-04 00:10:02,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1379124932] [2021-05-04 00:10:02,149 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 [2021-05-04 00:10:02,172 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-04 00:10:02,172 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 00:10:02,173 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 64 conjunts are in the unsatisfiable core [2021-05-04 00:10:02,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 00:10:02,921 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-05-04 00:10:02,922 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:10:02,922 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 [2021-05-04 00:10:07,474 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 1085 DAG size of output: 603 [2021-05-04 00:10:07,621 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1478 DAG size of output: 701 [2021-05-04 00:10:07,785 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 1478 DAG size of output: 701 [2021-05-04 00:10:07,965 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 1483 DAG size of output: 698 [2021-05-04 00:10:08,125 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 888 [2021-05-04 00:10:08,235 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 554 [2021-05-04 00:10:12,264 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 2257 DAG size of output: 1208 [2021-05-04 00:10:12,459 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 2257 DAG size of output: 1208 [2021-05-04 00:10:12,631 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 2259 DAG size of output: 1208 [2021-05-04 00:10:13,289 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-04 00:10:13,291 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:10:13,291 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-04 00:10:13,291 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-05-04 00:10:13,295 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:10:13,295 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 00:10:13,295 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-05-04 00:10:13,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745648310] [2021-05-04 00:10:13,295 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-05-04 00:10:13,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 00:10:13,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-05-04 00:10:13,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=976, Unknown=0, NotChecked=0, Total=1056 [2021-05-04 00:10:13,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:10:13,296 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 00:10:13,296 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) [2021-05-04 00:10:13,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:10:13,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:10:13,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:10:13,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:10:13,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:10:13,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:10:13,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:10:13,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:10:13,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-04 00:10:13,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:10:13,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:10:13,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:10:13,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-05-04 00:10:13,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:10:13,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:10:13,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:10:13,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:10:13,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:10:13,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:10:13,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:10:13,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:10:13,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:10:13,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-04 00:10:13,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:10:13,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:10:13,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:10:13,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-04 00:10:13,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:10:13,837 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable973,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 00:10:13,837 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 00:10:13,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 00:10:13,837 INFO L82 PathProgramCache]: Analyzing trace with hash -1495417450, now seen corresponding path program 11 times [2021-05-04 00:10:13,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 00:10:13,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673454693] [2021-05-04 00:10:13,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 00:10:13,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:10:14,063 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:10:14,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673454693] [2021-05-04 00:10:14,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [21980007] [2021-05-04 00:10:14,063 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 [2021-05-04 00:10:14,095 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-05-04 00:10:14,096 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 00:10:14,096 WARN L261 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 52 conjunts are in the unsatisfiable core [2021-05-04 00:10:14,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 00:10:14,802 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-05-04 00:10:14,802 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:10:14,803 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 [2021-05-04 00:10:20,324 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 960 DAG size of output: 398 [2021-05-04 00:10:20,435 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 420 [2021-05-04 00:10:21,569 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 385 [2021-05-04 00:10:23,435 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 1011 DAG size of output: 681 [2021-05-04 00:10:25,426 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 849 DAG size of output: 705 [2021-05-04 00:10:25,685 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 1470 DAG size of output: 1188 [2021-05-04 00:10:25,971 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 1619 DAG size of output: 1227 [2021-05-04 00:10:26,355 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 2285 DAG size of output: 1225 [2021-05-04 00:10:26,782 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 2817 DAG size of output: 1738 [2021-05-04 00:10:28,714 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 3264 DAG size of output: 2055 [2021-05-04 00:10:29,300 WARN L205 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 3617 DAG size of output: 2277 [2021-05-04 00:10:31,895 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 684 DAG size of output: 515 [2021-05-04 00:10:32,028 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 1039 DAG size of output: 765 [2021-05-04 00:10:33,842 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 835 DAG size of output: 775 [2021-05-04 00:10:34,129 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 1491 DAG size of output: 1304 [2021-05-04 00:10:37,126 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 2089 DAG size of output: 1539 [2021-05-04 00:10:37,569 WARN L205 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 2213 DAG size of output: 1647 [2021-05-04 00:10:38,550 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 2674 DAG size of output: 1767 [2021-05-04 00:10:39,069 WARN L205 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 3209 DAG size of output: 2284 [2021-05-04 00:10:39,672 WARN L205 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 3555 DAG size of output: 2587 [2021-05-04 00:10:42,641 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 763 [2021-05-04 00:10:42,794 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 1077 DAG size of output: 756 [2021-05-04 00:10:42,990 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 1098 DAG size of output: 774 [2021-05-04 00:10:43,740 WARN L205 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 4497 DAG size of output: 3222 [2021-05-04 00:10:45,107 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 6099 DAG size of output: 4037 [2021-05-04 00:10:46,597 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 6527 DAG size of output: 4178 [2021-05-04 00:10:49,509 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 7214 DAG size of output: 4671 [2021-05-04 00:10:51,208 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 7644 DAG size of output: 5009 [2021-05-04 00:10:52,932 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 7644 DAG size of output: 5009 [2021-05-04 00:10:54,742 WARN L205 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 7657 DAG size of output: 5022 [2021-05-04 00:10:56,859 WARN L205 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 5024 DAG size of output: 6951 [2021-05-04 00:10:58,876 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 4225 DAG size of output: 5817 [2021-05-04 00:11:00,036 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 3936 DAG size of output: 3639 [2021-05-04 00:11:01,941 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 3441 DAG size of output: 4915 [2021-05-04 00:11:03,052 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 3369 DAG size of output: 3400 [2021-05-04 00:11:04,972 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 3164 DAG size of output: 4663 [2021-05-04 00:11:05,844 WARN L205 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 2817 DAG size of output: 2759 [2021-05-04 00:11:07,786 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 2568 DAG size of output: 3483 [2021-05-04 00:11:08,949 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 2279 DAG size of output: 3278 [2021-05-04 00:11:09,370 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 1929 DAG size of output: 1913 [2021-05-04 00:11:09,731 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 1754 DAG size of output: 1754 [2021-05-04 00:11:10,094 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 1642 DAG size of output: 1642 [2021-05-04 00:11:10,285 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 1347 DAG size of output: 1347 [2021-05-04 00:11:11,068 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 935 [2021-05-04 00:11:11,294 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 818 [2021-05-04 00:11:12,601 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 1006 [2021-05-04 00:11:12,720 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 877 DAG size of output: 877 [2021-05-04 00:11:13,003 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 675 [2021-05-04 00:11:14,198 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 1715 DAG size of output: 767 [2021-05-04 00:11:14,673 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 2020 DAG size of output: 916 [2021-05-04 00:11:14,852 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 2176 DAG size of output: 1030 [2021-05-04 00:11:15,473 WARN L205 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 2193 DAG size of output: 2186 [2021-05-04 00:11:16,043 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 2032 DAG size of output: 2032 [2021-05-04 00:11:16,725 WARN L205 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 1930 DAG size of output: 1930 [2021-05-04 00:11:16,971 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 1241 DAG size of output: 1241 [2021-05-04 00:11:17,163 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 1080 DAG size of output: 1080 [2021-05-04 00:11:17,332 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 844 DAG size of output: 844 [2021-05-04 00:11:17,460 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 674 [2021-05-04 00:11:19,237 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 1545 DAG size of output: 1545 [2021-05-04 00:11:19,453 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 1152 [2021-05-04 00:11:19,775 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 1005 DAG size of output: 1005 [2021-05-04 00:11:20,117 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 835 DAG size of output: 835 [2021-05-04 00:11:20,261 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 814 DAG size of output: 814 [2021-05-04 00:11:20,397 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 769 [2021-05-04 00:11:22,110 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 1954 DAG size of output: 803 [2021-05-04 00:11:22,283 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 2119 DAG size of output: 870 [2021-05-04 00:11:22,477 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 2270 DAG size of output: 981 [2021-05-04 00:11:22,880 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 3632 DAG size of output: 1557 [2021-05-04 00:11:23,330 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 1827 DAG size of output: 1803 [2021-05-04 00:11:24,125 WARN L205 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 1697 DAG size of output: 2477 [2021-05-04 00:11:24,369 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 1218 DAG size of output: 1186 [2021-05-04 00:11:24,490 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 772 DAG size of output: 772 [2021-05-04 00:11:25,663 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 980 DAG size of output: 980 [2021-05-04 00:11:27,664 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 1632 DAG size of output: 1621 [2021-05-04 00:11:27,844 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 1085 DAG size of output: 1085 [2021-05-04 00:11:28,142 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 955 DAG size of output: 955 [2021-05-04 00:11:28,279 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 775 DAG size of output: 775 [2021-05-04 00:11:28,396 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 640 [2021-05-04 00:11:29,767 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 1308 DAG size of output: 1304 [2021-05-04 00:11:29,938 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 1001 DAG size of output: 1001 [2021-05-04 00:11:30,220 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 885 DAG size of output: 885 [2021-05-04 00:11:30,489 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 750 DAG size of output: 750 [2021-05-04 00:11:30,647 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 730 DAG size of output: 730 [2021-05-04 00:11:30,762 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 705 [2021-05-04 00:11:32,160 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1579 DAG size of output: 791 [2021-05-04 00:11:32,414 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 2376 DAG size of output: 1159 [2021-05-04 00:11:33,106 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 2677 DAG size of output: 1277 [2021-05-04 00:11:33,804 WARN L205 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 5640 DAG size of output: 2351 [2021-05-04 00:11:34,540 WARN L205 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 5962 DAG size of output: 2552 [2021-05-04 00:11:35,868 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 8298 DAG size of output: 3947 [2021-05-04 00:11:38,014 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 1301 DAG size of output: 820 [2021-05-04 00:11:39,522 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 9172 DAG size of output: 4422 [2021-05-04 00:11:40,788 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 10737 DAG size of output: 3616 [2021-05-04 00:11:42,177 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 10966 DAG size of output: 3871 [2021-05-04 00:11:43,732 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 3550 DAG size of output: 4917 [2021-05-04 00:11:44,619 WARN L205 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 3465 DAG size of output: 3191 [2021-05-04 00:11:45,448 WARN L205 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 2997 DAG size of output: 2884 [2021-05-04 00:11:45,561 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 733 [2021-05-04 00:11:47,923 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 1381 DAG size of output: 930 [2021-05-04 00:11:48,090 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 1601 DAG size of output: 1074 [2021-05-04 00:11:49,412 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 2633 DAG size of output: 3806 [2021-05-04 00:11:50,391 WARN L205 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 2350 DAG size of output: 3155 [2021-05-04 00:11:50,870 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 2147 DAG size of output: 2139 [2021-05-04 00:11:52,230 WARN L205 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 1972 DAG size of output: 2870 [2021-05-04 00:11:52,566 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 1715 DAG size of output: 1715 [2021-05-04 00:11:52,842 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 1575 DAG size of output: 1575 [2021-05-04 00:11:53,386 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 1480 DAG size of output: 1480 [2021-05-04 00:11:53,495 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 879 DAG size of output: 879 [2021-05-04 00:11:54,701 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 1182 DAG size of output: 1182 [2021-05-04 00:11:54,812 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 878 DAG size of output: 878 [2021-05-04 00:11:56,739 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 1579 DAG size of output: 787 [2021-05-04 00:11:56,886 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 1781 DAG size of output: 919 [2021-05-04 00:11:57,049 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 1920 DAG size of output: 1017 [2021-05-04 00:11:57,502 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 1924 DAG size of output: 1918 [2021-05-04 00:11:57,899 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 1783 [2021-05-04 00:11:58,404 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 1697 DAG size of output: 1697 [2021-05-04 00:11:58,565 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 1040 DAG size of output: 1040 [2021-05-04 00:11:58,701 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 882 DAG size of output: 882 [2021-05-04 00:11:58,818 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 726 [2021-05-04 00:12:00,211 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 1330 DAG size of output: 1330 [2021-05-04 00:12:00,886 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 1035 [2021-05-04 00:12:01,018 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 886 [2021-05-04 00:12:01,357 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 650 [2021-05-04 00:12:02,386 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 1363 DAG size of output: 591 [2021-05-04 00:12:02,523 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 1748 DAG size of output: 784 [2021-05-04 00:12:02,680 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 1833 DAG size of output: 843 [2021-05-04 00:12:02,852 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 1967 DAG size of output: 938 [2021-05-04 00:12:03,187 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 3166 DAG size of output: 1555 [2021-05-04 00:12:03,575 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 3445 DAG size of output: 1732 [2021-05-04 00:12:03,904 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 1603 DAG size of output: 1589 [2021-05-04 00:12:04,218 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 1456 DAG size of output: 1452 [2021-05-04 00:12:04,768 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 1367 DAG size of output: 1367 [2021-05-04 00:12:04,902 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 871 DAG size of output: 871 [2021-05-04 00:12:05,008 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 747 DAG size of output: 747 [2021-05-04 00:12:07,014 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1081 DAG size of output: 1081 [2021-05-04 00:12:07,135 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 828 DAG size of output: 828 [2021-05-04 00:12:07,240 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 712 [2021-05-04 00:12:09,700 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 1732 DAG size of output: 1016 [2021-05-04 00:12:09,895 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 1893 DAG size of output: 1094 [2021-05-04 00:12:10,660 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 2173 DAG size of output: 1309 [2021-05-04 00:12:11,299 WARN L205 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 5017 DAG size of output: 2559 [2021-05-04 00:12:12,406 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 7041 DAG size of output: 3929 [2021-05-04 00:12:13,728 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 8301 DAG size of output: 4690 [2021-05-04 00:12:15,149 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 8530 DAG size of output: 4936 [2021-05-04 00:12:16,310 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 10374 DAG size of output: 3975 [2021-05-04 00:12:18,875 WARN L205 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 19095 DAG size of output: 6530 [2021-05-04 00:12:21,664 WARN L205 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 22145 DAG size of output: 6652 [2021-05-04 00:12:24,456 WARN L205 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 22145 DAG size of output: 6652 [2021-05-04 00:12:27,311 WARN L205 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 22154 DAG size of output: 6661 [2021-05-04 00:12:28,781 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 6658 DAG size of output: 6140 [2021-05-04 00:12:29,880 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 6142 DAG size of output: 4499 [2021-05-04 00:12:30,531 WARN L205 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 4127 DAG size of output: 2597 [2021-05-04 00:12:30,985 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 2592 DAG size of output: 2540 [2021-05-04 00:12:31,571 WARN L205 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 1698 DAG size of output: 2252 [2021-05-04 00:12:31,982 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 1634 DAG size of output: 1837 [2021-05-04 00:12:33,557 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 1183 DAG size of output: 777 [2021-05-04 00:12:34,845 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 1218 DAG size of output: 743 [2021-05-04 00:12:35,331 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 1862 DAG size of output: 882 [2021-05-04 00:12:35,512 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 1868 DAG size of output: 888 [2021-05-04 00:12:35,708 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 2313 DAG size of output: 1037 [2021-05-04 00:12:35,916 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 2313 DAG size of output: 1037 [2021-05-04 00:12:36,278 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 2320 DAG size of output: 1387 [2021-05-04 00:12:37,615 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-04 00:12:37,616 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:12:37,617 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-04 00:12:37,617 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:51, output treesize:3 [2021-05-04 00:12:37,620 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:12:37,620 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 00:12:37,621 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-05-04 00:12:37,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216953980] [2021-05-04 00:12:37,621 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-05-04 00:12:37,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 00:12:37,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-05-04 00:12:37,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=977, Unknown=0, NotChecked=0, Total=1056 [2021-05-04 00:12:37,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:12:37,622 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 00:12:37,622 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) [2021-05-04 00:12:37,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:12:37,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:12:37,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:12:37,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:12:37,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:12:37,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:12:37,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:12:37,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:12:37,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-04 00:12:37,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:12:37,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:12:37,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:12:37,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-05-04 00:12:37,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:12:37,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:12:37,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:12:37,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:12:37,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:12:37,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:12:37,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:12:37,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:12:37,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:12:37,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:12:37,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-04 00:12:37,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:12:37,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:12:37,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:12:37,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-04 00:12:37,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:12:37,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:12:38,185 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2767 [2021-05-04 00:12:38,185 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 00:12:38,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 00:12:38,186 INFO L82 PathProgramCache]: Analyzing trace with hash -1580279046, now seen corresponding path program 12 times [2021-05-04 00:12:38,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 00:12:38,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243889315] [2021-05-04 00:12:38,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 00:12:38,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:12:38,298 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 55 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:12:38,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243889315] [2021-05-04 00:12:38,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [813845267] [2021-05-04 00:12:38,299 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) [2021-05-04 00:12:38,332 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-05-04 00:12:38,332 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 00:12:38,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 17 conjunts are in the unsatisfiable core [2021-05-04 00:12:38,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 00:12:38,391 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 66 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:12:38,391 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 00:12:38,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 18 [2021-05-04 00:12:38,392 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224386020] [2021-05-04 00:12:38,392 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-05-04 00:12:38,392 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 00:12:38,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-05-04 00:12:38,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2021-05-04 00:12:38,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:12:38,395 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 00:12:38,395 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) [2021-05-04 00:12:38,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:12:38,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:12:38,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:12:38,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:12:38,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:12:38,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:12:38,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:12:38,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:12:38,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-04 00:12:38,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:12:38,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:12:38,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:12:38,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-05-04 00:12:38,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:12:38,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:12:38,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:12:38,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:12:38,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:12:38,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:12:38,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:12:38,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:12:38,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:12:38,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:12:38,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:12:38,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-04 00:12:38,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:12:38,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:12:38,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:12:38,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-04 00:12:38,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:12:38,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:12:38,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-04 00:12:38,786 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18747,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 00:12:38,786 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 00:12:38,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 00:12:38,786 INFO L82 PathProgramCache]: Analyzing trace with hash -1717384747, now seen corresponding path program 13 times [2021-05-04 00:12:38,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 00:12:38,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478536100] [2021-05-04 00:12:38,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 00:12:38,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:12:39,108 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:12:39,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478536100] [2021-05-04 00:12:39,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807136217] [2021-05-04 00:12:39,109 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 [2021-05-04 00:12:39,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:12:39,131 WARN L261 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 59 conjunts are in the unsatisfiable core [2021-05-04 00:12:39,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 00:12:40,076 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-05-04 00:12:40,076 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:12:40,077 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 [2021-05-04 00:12:42,695 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 1445 DAG size of output: 1164 [2021-05-04 00:12:42,814 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 1471 DAG size of output: 1189 [2021-05-04 00:12:42,936 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 1495 DAG size of output: 1211 [2021-05-04 00:12:43,056 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 1495 DAG size of output: 1211 [2021-05-04 00:12:43,193 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 1514 DAG size of output: 1230 [2021-05-04 00:12:43,426 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 1232 DAG size of output: 1717 [2021-05-04 00:12:43,630 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 1177 DAG size of output: 1510 [2021-05-04 00:12:43,862 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 1204 [2021-05-04 00:12:44,036 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 1038 DAG size of output: 1236 [2021-05-04 00:12:44,171 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 1033 DAG size of output: 1171 [2021-05-04 00:12:45,886 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 668 DAG size of output: 553 [2021-05-04 00:12:46,209 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 1003 DAG size of output: 1339 [2021-05-04 00:12:48,459 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 1104 DAG size of output: 769 [2021-05-04 00:12:52,111 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 818 DAG size of output: 829 [2021-05-04 00:12:52,256 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 1071 DAG size of output: 856 [2021-05-04 00:12:52,492 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 1525 DAG size of output: 1167 [2021-05-04 00:12:52,863 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 2199 DAG size of output: 1680 [2021-05-04 00:12:53,289 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 2294 DAG size of output: 1772 [2021-05-04 00:12:53,857 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 2794 DAG size of output: 2181 [2021-05-04 00:12:54,444 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 2795 DAG size of output: 2171 [2021-05-04 00:12:56,893 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 898 [2021-05-04 00:12:57,092 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 1165 DAG size of output: 996 [2021-05-04 00:12:58,354 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 1591 DAG size of output: 1311 [2021-05-04 00:12:58,618 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 1594 DAG size of output: 1314 [2021-05-04 00:12:59,369 WARN L205 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 4029 DAG size of output: 2945 [2021-05-04 00:13:01,023 WARN L205 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 4493 DAG size of output: 3243 [2021-05-04 00:13:01,180 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1110 DAG size of output: 1289 [2021-05-04 00:13:01,430 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 1069 DAG size of output: 1287 [2021-05-04 00:13:01,633 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1033 DAG size of output: 1165 [2021-05-04 00:13:03,516 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 983 [2021-05-04 00:13:03,724 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 1031 DAG size of output: 1370 [2021-05-04 00:13:03,888 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 1349 [2021-05-04 00:13:04,049 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 934 DAG size of output: 1225 [2021-05-04 00:13:07,559 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 1479 DAG size of output: 1257 [2021-05-04 00:13:09,665 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 2040 DAG size of output: 1719 [2021-05-04 00:13:10,039 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 2502 DAG size of output: 2129 [2021-05-04 00:13:10,483 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 3048 DAG size of output: 2575 [2021-05-04 00:13:11,042 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 3439 DAG size of output: 3068 [2021-05-04 00:13:11,722 WARN L205 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 4191 DAG size of output: 3792 [2021-05-04 00:13:12,674 WARN L205 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 4415 DAG size of output: 3979 [2021-05-04 00:13:13,493 WARN L205 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 4904 DAG size of output: 4421 [2021-05-04 00:13:14,824 WARN L205 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 5137 DAG size of output: 4614 [2021-05-04 00:13:17,318 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 1353 DAG size of output: 981 [2021-05-04 00:13:18,710 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 1858 DAG size of output: 1354 [2021-05-04 00:13:18,971 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 2129 DAG size of output: 1573 [2021-05-04 00:13:19,614 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 2353 DAG size of output: 1744 [2021-05-04 00:13:20,732 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 6896 DAG size of output: 5346 [2021-05-04 00:13:22,763 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 10593 DAG size of output: 7527 [2021-05-04 00:13:23,011 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 1226 DAG size of output: 1612 [2021-05-04 00:13:23,156 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1151 DAG size of output: 1338 [2021-05-04 00:13:23,336 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 1358 [2021-05-04 00:13:23,479 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 1129 DAG size of output: 1246 [2021-05-04 00:13:23,657 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 1088 DAG size of output: 1430 [2021-05-04 00:13:23,843 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 1081 DAG size of output: 1381 [2021-05-04 00:13:24,055 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 960 DAG size of output: 1234 [2021-05-04 00:13:24,234 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 953 DAG size of output: 1239 [2021-05-04 00:13:28,202 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 1292 DAG size of output: 1310 [2021-05-04 00:13:28,379 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 1494 DAG size of output: 1343 [2021-05-04 00:13:28,630 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 1871 DAG size of output: 1621 [2021-05-04 00:13:28,893 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 1890 DAG size of output: 1640 [2021-05-04 00:13:29,191 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 1945 DAG size of output: 1680 [2021-05-04 00:13:29,343 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 785 DAG size of output: 889 [2021-05-04 00:13:29,454 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 729 DAG size of output: 729 [2021-05-04 00:13:31,311 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 708 [2021-05-04 00:13:33,098 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 1173 DAG size of output: 857 [2021-05-04 00:13:33,251 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 1196 DAG size of output: 880 [2021-05-04 00:13:33,451 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 1709 DAG size of output: 1372 [2021-05-04 00:13:33,947 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 3161 DAG size of output: 2670 [2021-05-04 00:13:34,531 WARN L205 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 3634 DAG size of output: 3105 [2021-05-04 00:13:35,243 WARN L205 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 4193 DAG size of output: 3539 [2021-05-04 00:13:36,007 WARN L205 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 4712 DAG size of output: 4050 [2021-05-04 00:13:39,135 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 1272 DAG size of output: 1413 [2021-05-04 00:13:39,346 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 1445 DAG size of output: 1584 [2021-05-04 00:13:39,586 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 1621 DAG size of output: 1706 [2021-05-04 00:13:39,894 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 1823 DAG size of output: 1886 [2021-05-04 00:13:40,960 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 6186 DAG size of output: 5607 [2021-05-04 00:13:42,198 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 6778 DAG size of output: 6039 [2021-05-04 00:13:45,539 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 1114 DAG size of output: 936 [2021-05-04 00:13:45,679 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1246 DAG size of output: 991 [2021-05-04 00:13:45,834 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1393 DAG size of output: 1032 [2021-05-04 00:13:46,030 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 1781 DAG size of output: 1323 [2021-05-04 00:13:46,248 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 2049 DAG size of output: 1480 [2021-05-04 00:13:47,819 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 2631 DAG size of output: 1918 [2021-05-04 00:13:48,409 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 2855 DAG size of output: 2044 [2021-05-04 00:13:48,789 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 2955 DAG size of output: 2138 [2021-05-04 00:13:49,216 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 3247 DAG size of output: 2348 [2021-05-04 00:13:50,772 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 9320 DAG size of output: 7109 [2021-05-04 00:13:50,960 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1144 DAG size of output: 1285 [2021-05-04 00:13:51,225 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 1291 [2021-05-04 00:13:51,357 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 1086 DAG size of output: 1231 [2021-05-04 00:13:52,810 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 804 DAG size of output: 771 [2021-05-04 00:13:52,966 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 882 DAG size of output: 834 [2021-05-04 00:13:53,143 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 1083 DAG size of output: 1458 [2021-05-04 00:13:53,266 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 940 DAG size of output: 926 [2021-05-04 00:13:55,131 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 849 [2021-05-04 00:13:55,292 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 1040 DAG size of output: 885 [2021-05-04 00:13:56,420 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 1484 DAG size of output: 1155 [2021-05-04 00:13:56,621 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 1534 DAG size of output: 1205 [2021-05-04 00:13:59,254 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 976 DAG size of output: 973 [2021-05-04 00:13:59,418 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 1117 DAG size of output: 1125 [2021-05-04 00:13:59,598 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 1381 DAG size of output: 1158 [2021-05-04 00:14:01,169 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 683 [2021-05-04 00:14:01,456 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 1969 DAG size of output: 1612 [2021-05-04 00:14:01,761 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 1990 DAG size of output: 1633 [2021-05-04 00:14:02,276 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 2977 DAG size of output: 2504 [2021-05-04 00:14:02,978 WARN L205 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 3664 DAG size of output: 3170 [2021-05-04 00:14:03,674 WARN L205 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 3665 DAG size of output: 3165 [2021-05-04 00:14:04,676 WARN L205 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 3828 DAG size of output: 3307 [2021-05-04 00:14:07,981 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 1044 DAG size of output: 977 [2021-05-04 00:14:08,135 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 1066 DAG size of output: 992 [2021-05-04 00:14:11,680 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 1113 DAG size of output: 1107 [2021-05-04 00:14:11,946 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 1135 DAG size of output: 1110 [2021-05-04 00:14:12,172 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 1130 [2021-05-04 00:14:12,545 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 1986 DAG size of output: 1919 [2021-05-04 00:14:12,953 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 2247 DAG size of output: 2053 [2021-05-04 00:14:14,743 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 821 DAG size of output: 676 [2021-05-04 00:14:14,859 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 923 DAG size of output: 679 [2021-05-04 00:14:15,429 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 2959 DAG size of output: 2569 [2021-05-04 00:14:15,986 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 2962 DAG size of output: 2572 [2021-05-04 00:14:17,270 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 6145 DAG size of output: 5049 [2021-05-04 00:14:20,239 WARN L205 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 14298 DAG size of output: 11123 [2021-05-04 00:14:25,320 WARN L205 SmtUtils]: Spent 4.98 s on a formula simplification. DAG size of input: 22836 DAG size of output: 16311 [2021-05-04 00:14:30,442 WARN L205 SmtUtils]: Spent 4.97 s on a formula simplification. DAG size of input: 22836 DAG size of output: 16311 [2021-05-04 00:14:35,876 WARN L205 SmtUtils]: Spent 5.33 s on a formula simplification. DAG size of input: 22851 DAG size of output: 16326 [2021-05-04 00:14:39,566 WARN L205 SmtUtils]: Spent 3.61 s on a formula simplification. DAG size of input: 16320 DAG size of output: 16017 [2021-05-04 00:14:44,651 WARN L205 SmtUtils]: Spent 4.94 s on a formula simplification. DAG size of input: 16019 DAG size of output: 17458 [2021-05-04 00:14:46,609 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 8798 DAG size of output: 8842 [2021-05-04 00:14:49,048 WARN L205 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 8433 DAG size of output: 10247 [2021-05-04 00:14:50,620 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 8283 DAG size of output: 8210 [2021-05-04 00:14:51,230 WARN L205 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 4000 DAG size of output: 4000 [2021-05-04 00:14:51,592 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 2400 DAG size of output: 2445 [2021-05-04 00:14:51,934 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 2304 DAG size of output: 2184 [2021-05-04 00:14:52,134 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 1597 DAG size of output: 1573 [2021-05-04 00:14:52,317 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 1546 [2021-05-04 00:14:52,451 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2021-05-04 00:14:52,578 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 1070 [2021-05-04 00:14:52,721 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1070 DAG size of output: 1107 [2021-05-04 00:14:52,832 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 1065 [2021-05-04 00:14:55,784 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 871 DAG size of output: 601 [2021-05-04 00:14:56,237 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 878 DAG size of output: 590 [2021-05-04 00:14:56,355 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 931 DAG size of output: 640 [2021-05-04 00:14:56,485 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 640 [2021-05-04 00:14:57,071 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 1071 DAG size of output: 680 [2021-05-04 00:14:57,239 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 1413 DAG size of output: 744 [2021-05-04 00:14:57,421 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 1435 DAG size of output: 757 [2021-05-04 00:14:59,377 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 2011 DAG size of output: 1118 [2021-05-04 00:14:59,729 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 2209 DAG size of output: 1310 [2021-05-04 00:15:00,029 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 1869 DAG size of output: 1860 [2021-05-04 00:15:00,268 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 1672 DAG size of output: 1643 [2021-05-04 00:15:00,543 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 1618 DAG size of output: 1596 [2021-05-04 00:15:00,765 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 1594 DAG size of output: 1589 [2021-05-04 00:15:03,273 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 991 DAG size of output: 718 [2021-05-04 00:15:03,455 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 1179 DAG size of output: 791 [2021-05-04 00:15:03,626 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 983 DAG size of output: 1068 [2021-05-04 00:15:03,751 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 978 DAG size of output: 978 [2021-05-04 00:15:07,360 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 1038 DAG size of output: 770 [2021-05-04 00:15:07,523 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 1234 DAG size of output: 861 [2021-05-04 00:15:07,700 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 1378 DAG size of output: 995 [2021-05-04 00:15:08,051 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 2380 DAG size of output: 1565 [2021-05-04 00:15:08,360 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 2381 DAG size of output: 1445 [2021-05-04 00:15:08,681 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 2398 DAG size of output: 1442 [2021-05-04 00:15:09,029 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 2557 DAG size of output: 1533 [2021-05-04 00:15:09,731 WARN L205 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 4463 DAG size of output: 2486 [2021-05-04 00:15:10,398 WARN L205 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 4464 DAG size of output: 2437 [2021-05-04 00:15:11,524 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 6866 DAG size of output: 3926 [2021-05-04 00:15:12,691 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 7307 DAG size of output: 3953 [2021-05-04 00:15:15,185 WARN L205 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 18425 DAG size of output: 8255 [2021-05-04 00:15:17,739 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 18425 DAG size of output: 8255 [2021-05-04 00:15:20,412 WARN L205 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 18430 DAG size of output: 8260 [2021-05-04 00:15:21,126 WARN L205 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 3858 DAG size of output: 3615 [2021-05-04 00:15:21,728 WARN L205 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 3588 DAG size of output: 2953 [2021-05-04 00:15:22,237 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 2008 DAG size of output: 2275 [2021-05-04 00:15:22,620 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 1982 DAG size of output: 2118 [2021-05-04 00:15:22,899 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 1947 DAG size of output: 1853 [2021-05-04 00:15:23,181 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 1825 DAG size of output: 1823 [2021-05-04 00:15:23,354 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 1281 DAG size of output: 1281 [2021-05-04 00:15:23,522 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 1261 DAG size of output: 1261 [2021-05-04 00:15:23,748 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 1252 DAG size of output: 1252 [2021-05-04 00:15:23,858 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 634 DAG size of output: 723 [2021-05-04 00:15:24,504 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 730 DAG size of output: 773 [2021-05-04 00:15:25,674 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 630 DAG size of output: 276 [2021-05-04 00:15:26,188 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 1265 DAG size of output: 746 [2021-05-04 00:15:26,303 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 1448 DAG size of output: 755 [2021-05-04 00:15:26,430 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 1899 DAG size of output: 779 [2021-05-04 00:15:26,597 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 2846 DAG size of output: 882 [2021-05-04 00:15:26,772 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 2917 DAG size of output: 883 [2021-05-04 00:15:27,776 WARN L205 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 4647 DAG size of output: 4771 [2021-05-04 00:15:28,294 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 4240 DAG size of output: 2333 [2021-05-04 00:15:28,565 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 1682 DAG size of output: 1686 [2021-05-04 00:15:28,875 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 1624 DAG size of output: 1647 [2021-05-04 00:15:29,109 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 1528 DAG size of output: 1537 [2021-05-04 00:15:29,337 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 1487 DAG size of output: 1537 [2021-05-04 00:15:29,521 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 1468 DAG size of output: 1468 [2021-05-04 00:15:29,657 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 809 DAG size of output: 943 [2021-05-04 00:15:29,856 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 772 DAG size of output: 904 [2021-05-04 00:15:31,082 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 846 DAG size of output: 1149 [2021-05-04 00:15:32,246 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 1584 DAG size of output: 686 [2021-05-04 00:15:32,703 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 1781 DAG size of output: 757 [2021-05-04 00:15:32,894 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 2454 DAG size of output: 607 [2021-05-04 00:15:33,125 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 3424 DAG size of output: 1385 [2021-05-04 00:15:33,521 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 6129 DAG size of output: 2118 [2021-05-04 00:15:33,967 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 6129 DAG size of output: 2118 [2021-05-04 00:15:34,381 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 6134 DAG size of output: 2127 [2021-05-04 00:15:34,675 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 2129 DAG size of output: 1963 [2021-05-04 00:15:34,897 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 1913 DAG size of output: 1900 [2021-05-04 00:15:37,506 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 978 DAG size of output: 547 [2021-05-04 00:15:37,845 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 906 [2021-05-04 00:15:37,979 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 684 DAG size of output: 814 [2021-05-04 00:15:41,248 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 1565 DAG size of output: 702 [2021-05-04 00:15:43,608 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 868 [2021-05-04 00:15:43,718 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 920 [2021-05-04 00:15:46,920 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 1294 DAG size of output: 858 [2021-05-04 00:15:47,054 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 1633 DAG size of output: 858 [2021-05-04 00:15:47,285 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 1922 DAG size of output: 965 [2021-05-04 00:15:48,563 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 2577 DAG size of output: 1081 [2021-05-04 00:15:48,860 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 3275 DAG size of output: 1346 [2021-05-04 00:15:49,437 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 5859 DAG size of output: 2418 [2021-05-04 00:15:50,020 WARN L205 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 5945 DAG size of output: 2471 [2021-05-04 00:15:50,632 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 5945 DAG size of output: 2471 [2021-05-04 00:15:51,259 WARN L205 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 5950 DAG size of output: 2476 [2021-05-04 00:15:51,610 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 2476 DAG size of output: 2297 [2021-05-04 00:15:51,961 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 2254 DAG size of output: 1494 [2021-05-04 00:15:52,178 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 963 DAG size of output: 1120 [2021-05-04 00:15:53,318 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 1113 DAG size of output: 717 [2021-05-04 00:15:54,310 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 1464 DAG size of output: 962 [2021-05-04 00:15:54,497 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 1489 DAG size of output: 984 [2021-05-04 00:15:54,684 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 1489 DAG size of output: 984 [2021-05-04 00:15:54,876 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 1491 DAG size of output: 987 [2021-05-04 00:15:55,054 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 989 DAG size of output: 1257 [2021-05-04 00:15:55,169 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 809 DAG size of output: 597 [2021-05-04 00:15:55,747 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-04 00:15:55,748 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:15:55,749 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-04 00:15:55,749 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:3 [2021-05-04 00:15:55,752 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:15:55,753 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 00:15:55,753 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 38 [2021-05-04 00:15:55,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417031885] [2021-05-04 00:15:55,753 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-05-04 00:15:55,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 00:15:55,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-05-04 00:15:55,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=1386, Unknown=0, NotChecked=0, Total=1482 [2021-05-04 00:15:55,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:15:55,754 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 00:15:55,754 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) [2021-05-04 00:15:55,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:15:55,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:15:55,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:15:55,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:15:55,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:15:55,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:15:55,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:15:55,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:15:55,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-04 00:15:55,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:15:55,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:15:55,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:15:55,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-05-04 00:15:55,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:15:55,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:15:55,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-04 00:15:55,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:15:56,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:15:56,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:15:56,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:15:56,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:15:56,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:15:56,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:15:56,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:15:56,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:15:56,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-04 00:15:56,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:15:56,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:15:56,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:15:56,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-04 00:15:56,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:15:56,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:15:56,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-04 00:15:56,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-05-04 00:15:56,414 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18748,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 00:15:56,414 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 00:15:56,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 00:15:56,415 INFO L82 PathProgramCache]: Analyzing trace with hash -1664999879, now seen corresponding path program 14 times [2021-05-04 00:15:56,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 00:15:56,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78529874] [2021-05-04 00:15:56,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 00:15:56,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:15:56,841 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:15:56,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78529874] [2021-05-04 00:15:56,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1471318802] [2021-05-04 00:15:56,841 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 [2021-05-04 00:15:56,887 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-04 00:15:56,887 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 00:15:56,889 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 80 conjunts are in the unsatisfiable core [2021-05-04 00:15:56,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 00:15:57,934 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 339 [2021-05-04 00:15:57,934 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:15:57,935 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 [2021-05-04 00:16:00,118 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 1493 DAG size of output: 1081 [2021-05-04 00:16:03,094 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1954 DAG size of output: 1547 [2021-05-04 00:16:03,247 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 1998 DAG size of output: 1590 [2021-05-04 00:16:03,409 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 2025 DAG size of output: 1617 [2021-05-04 00:16:03,676 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 3337 DAG size of output: 2495 [2021-05-04 00:16:03,966 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 3337 DAG size of output: 2495 [2021-05-04 00:16:04,347 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 3360 DAG size of output: 2518 [2021-05-04 00:16:04,573 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 2509 DAG size of output: 2506 [2021-05-04 00:16:04,848 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 2508 DAG size of output: 2523 [2021-05-04 00:16:05,078 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 2497 DAG size of output: 2494 [2021-05-04 00:16:05,284 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 1589 DAG size of output: 1968 [2021-05-04 00:16:05,437 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 1586 DAG size of output: 1595 [2021-05-04 00:16:05,598 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1583 DAG size of output: 1663 [2021-05-04 00:16:05,724 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 1578 DAG size of output: 1578 [2021-05-04 00:16:05,908 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 1557 DAG size of output: 1557 [2021-05-04 00:16:06,024 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 1552 [2021-05-04 00:16:07,158 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 1510 [2021-05-04 00:16:09,119 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 1494 DAG size of output: 1104 [2021-05-04 00:16:10,575 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 1353 DAG size of output: 1171 [2021-05-04 00:16:10,735 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 2657 DAG size of output: 1450 [2021-05-04 00:16:10,944 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 3267 DAG size of output: 1895 [2021-05-04 00:16:11,170 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 3290 DAG size of output: 1917 [2021-05-04 00:16:11,410 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 3310 DAG size of output: 1936 [2021-05-04 00:16:11,672 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 3445 DAG size of output: 2035 [2021-05-04 00:16:11,941 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 3487 DAG size of output: 2073 [2021-05-04 00:16:12,306 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 3913 DAG size of output: 2323 [2021-05-04 00:16:12,481 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 1154 DAG size of output: 1549 [2021-05-04 00:16:12,706 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 1148 DAG size of output: 1246 [2021-05-04 00:16:13,039 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1117 DAG size of output: 1161 [2021-05-04 00:16:15,085 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 1843 DAG size of output: 1102 [2021-05-04 00:16:15,209 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 1881 DAG size of output: 1136 [2021-05-04 00:16:15,371 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 2316 DAG size of output: 1394 [2021-05-04 00:16:15,896 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 5749 DAG size of output: 3310 [2021-05-04 00:16:16,397 WARN L205 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 5779 DAG size of output: 3337 [2021-05-04 00:16:16,894 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 5779 DAG size of output: 3337 [2021-05-04 00:16:17,557 WARN L205 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 5791 DAG size of output: 3379 [2021-05-04 00:16:18,031 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 3344 DAG size of output: 3420 [2021-05-04 00:16:18,495 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 3280 DAG size of output: 3293 [2021-05-04 00:16:18,873 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 3216 DAG size of output: 3216 [2021-05-04 00:16:19,352 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 3191 DAG size of output: 3115 [2021-05-04 00:16:19,832 WARN L205 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 3087 DAG size of output: 3174 [2021-05-04 00:16:20,115 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 2011 DAG size of output: 1913 [2021-05-04 00:16:20,293 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 1693 [2021-05-04 00:16:22,062 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 1207 DAG size of output: 1207 [2021-05-04 00:16:22,414 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 1004 DAG size of output: 1200 [2021-05-04 00:16:25,542 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 2067 DAG size of output: 912 [2021-05-04 00:16:25,747 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 2374 DAG size of output: 1168 [2021-05-04 00:16:26,080 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 3536 DAG size of output: 2226 [2021-05-04 00:16:26,434 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 3594 DAG size of output: 2268 [2021-05-04 00:16:26,851 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 3621 DAG size of output: 2239 [2021-05-04 00:16:27,246 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 3728 DAG size of output: 2298 [2021-05-04 00:16:27,699 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 3943 DAG size of output: 2495 [2021-05-04 00:16:28,213 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 4030 DAG size of output: 2583 [2021-05-04 00:16:28,683 WARN L205 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 4030 DAG size of output: 2583 [2021-05-04 00:16:29,188 WARN L205 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 4035 DAG size of output: 2581 [2021-05-04 00:16:29,686 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 2583 DAG size of output: 2779 [2021-05-04 00:16:30,328 WARN L205 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 2278 DAG size of output: 3164 [2021-05-04 00:16:30,747 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 1697 DAG size of output: 2269 [2021-05-04 00:16:31,025 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 1451 DAG size of output: 1548 [2021-05-04 00:16:31,173 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1097 DAG size of output: 994 [2021-05-04 00:16:31,555 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 962 DAG size of output: 916 [2021-05-04 00:16:31,714 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 873 DAG size of output: 1198 [2021-05-04 00:16:31,856 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 785 DAG size of output: 999 [2021-05-04 00:16:31,995 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 755 DAG size of output: 1074 [2021-05-04 00:16:33,700 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 869 [2021-05-04 00:16:35,189 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 1336 DAG size of output: 714 [2021-05-04 00:16:35,330 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 1337 DAG size of output: 717 [2021-05-04 00:16:35,483 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1470 DAG size of output: 809 [2021-05-04 00:16:35,757 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 2186 DAG size of output: 1283 [2021-05-04 00:16:35,975 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 1606 DAG size of output: 1604 [2021-05-04 00:16:36,190 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 1539 DAG size of output: 1539 [2021-05-04 00:16:36,357 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 1381 DAG size of output: 1381 [2021-05-04 00:16:37,080 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1324 DAG size of output: 1284 [2021-05-04 00:16:37,387 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 1275 DAG size of output: 1269 [2021-05-04 00:16:37,558 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 941 DAG size of output: 1256 [2021-05-04 00:16:39,160 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 875 [2021-05-04 00:16:40,576 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 1729 DAG size of output: 979 [2021-05-04 00:16:40,768 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 1761 DAG size of output: 1012 [2021-05-04 00:16:40,984 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 2055 DAG size of output: 1192 [2021-05-04 00:16:41,358 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 2199 DAG size of output: 1322 [2021-05-04 00:16:41,617 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 2262 DAG size of output: 1363 [2021-05-04 00:16:42,101 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 3895 DAG size of output: 2281 [2021-05-04 00:16:42,627 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 2028 DAG size of output: 2639 [2021-05-04 00:16:42,876 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 1660 DAG size of output: 1652 [2021-05-04 00:16:43,079 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 1623 DAG size of output: 1623 [2021-05-04 00:16:43,684 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 1493 DAG size of output: 1601 [2021-05-04 00:16:43,823 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 1135 DAG size of output: 1042 [2021-05-04 00:16:44,003 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 1023 DAG size of output: 1243 [2021-05-04 00:16:44,125 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 885 [2021-05-04 00:16:44,243 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 924 [2021-05-04 00:16:45,757 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 1038 [2021-05-04 00:16:46,056 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 1052 [2021-05-04 00:16:46,301 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 690 DAG size of output: 833 [2021-05-04 00:16:47,768 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 943 DAG size of output: 758 [2021-05-04 00:16:48,137 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 1056 DAG size of output: 809 [2021-05-04 00:16:48,336 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 1766 DAG size of output: 1200 [2021-05-04 00:16:48,570 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 1941 DAG size of output: 1296 [2021-05-04 00:16:48,811 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 1967 DAG size of output: 1313 [2021-05-04 00:16:49,081 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 1954 DAG size of output: 1952 [2021-05-04 00:16:49,473 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 1885 DAG size of output: 2090 [2021-05-04 00:16:49,693 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 1388 DAG size of output: 1370 [2021-05-04 00:16:50,026 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 1250 DAG size of output: 1248 [2021-05-04 00:16:50,444 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 1202 DAG size of output: 1166 [2021-05-04 00:16:50,604 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 1155 DAG size of output: 1155 [2021-05-04 00:16:50,814 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 1131 DAG size of output: 1416 [2021-05-04 00:16:50,983 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 946 DAG size of output: 1130 [2021-05-04 00:16:52,475 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 820 DAG size of output: 949 [2021-05-04 00:16:52,600 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 743 DAG size of output: 969 [2021-05-04 00:16:53,929 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 963 DAG size of output: 786 [2021-05-04 00:16:54,058 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 1135 DAG size of output: 884 [2021-05-04 00:16:54,201 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1196 DAG size of output: 913 [2021-05-04 00:16:54,460 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 2191 DAG size of output: 1524 [2021-05-04 00:16:54,787 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 2245 DAG size of output: 1553 [2021-05-04 00:16:55,360 WARN L205 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 3475 DAG size of output: 2322 [2021-05-04 00:16:56,414 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 6866 DAG size of output: 4100 [2021-05-04 00:16:57,557 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 7402 DAG size of output: 4105 [2021-05-04 00:16:58,677 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 7402 DAG size of output: 4105 [2021-05-04 00:16:59,830 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 7407 DAG size of output: 4110 [2021-05-04 00:17:00,357 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 4112 DAG size of output: 2364 [2021-05-04 00:17:00,781 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 2072 DAG size of output: 1846 [2021-05-04 00:17:01,072 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 1675 DAG size of output: 1494 [2021-05-04 00:17:01,182 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 937 DAG size of output: 908 [2021-05-04 00:17:01,295 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 651 [2021-05-04 00:17:03,123 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 1191 DAG size of output: 858 [2021-05-04 00:17:03,327 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 841 DAG size of output: 972 [2021-05-04 00:17:05,821 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1057 DAG size of output: 813 [2021-05-04 00:17:06,041 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 1945 DAG size of output: 1310 [2021-05-04 00:17:06,895 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 2171 DAG size of output: 1451 [2021-05-04 00:17:07,179 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 2265 DAG size of output: 1520 [2021-05-04 00:17:07,472 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 2265 DAG size of output: 1520 [2021-05-04 00:17:07,754 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 2267 DAG size of output: 1522 [2021-05-04 00:17:07,890 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 1526 DAG size of output: 877 [2021-05-04 00:17:08,510 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-04 00:17:08,512 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:17:08,512 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-04 00:17:08,512 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:59, output treesize:3 [2021-05-04 00:17:08,516 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:17:08,516 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 00:17:08,516 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 40 [2021-05-04 00:17:08,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184499714] [2021-05-04 00:17:08,517 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-05-04 00:17:08,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 00:17:08,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-05-04 00:17:08,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=1540, Unknown=0, NotChecked=0, Total=1640 [2021-05-04 00:17:08,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:17:08,517 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 00:17:08,518 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) [2021-05-04 00:17:08,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:17:08,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:17:08,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:17:08,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:17:08,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:17:08,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:17:08,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:17:08,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:17:08,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-04 00:17:08,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:17:08,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:17:08,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:17:08,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-05-04 00:17:08,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:17:08,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:17:08,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-04 00:17:08,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-05-04 00:17:08,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:17:08,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:17:08,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:17:08,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:17:08,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:17:08,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:17:08,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:17:08,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:17:08,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:17:08,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-04 00:17:08,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:17:08,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:17:08,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:17:08,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-04 00:17:08,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:17:08,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:17:08,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-04 00:17:08,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-05-04 00:17:08,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-05-04 00:17:09,122 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42160 [2021-05-04 00:17:09,122 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 00:17:09,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 00:17:09,123 INFO L82 PathProgramCache]: Analyzing trace with hash -41068971, now seen corresponding path program 15 times [2021-05-04 00:17:09,123 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 00:17:09,123 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249199267] [2021-05-04 00:17:09,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 00:17:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:17:09,444 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:17:09,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249199267] [2021-05-04 00:17:09,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1557446252] [2021-05-04 00:17:09,444 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 [2021-05-04 00:17:09,479 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-05-04 00:17:09,480 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 00:17:09,481 WARN L261 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 65 conjunts are in the unsatisfiable core [2021-05-04 00:17:09,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 00:17:10,736 WARN L205 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2021-05-04 00:17:10,737 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:17:10,737 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 [2021-05-04 00:17:14,273 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 1319 DAG size of output: 1082 [2021-05-04 00:17:18,676 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 1718 DAG size of output: 1504 [2021-05-04 00:17:18,998 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 2711 DAG size of output: 2240 [2021-05-04 00:17:19,389 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 2711 DAG size of output: 2240 [2021-05-04 00:17:19,765 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 2734 DAG size of output: 2263 [2021-05-04 00:17:20,451 WARN L205 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 2265 DAG size of output: 2760 [2021-05-04 00:17:21,169 WARN L205 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 2214 DAG size of output: 2345 [2021-05-04 00:17:21,491 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 2206 DAG size of output: 2185 [2021-05-04 00:17:21,630 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 1060 [2021-05-04 00:17:21,772 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 714 DAG size of output: 839 [2021-05-04 00:17:21,920 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 922 [2021-05-04 00:17:22,051 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 873 [2021-05-04 00:17:22,193 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 765 [2021-05-04 00:17:22,309 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 791 [2021-05-04 00:17:25,526 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 1059 DAG size of output: 974 [2021-05-04 00:17:25,683 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 1251 DAG size of output: 1159 [2021-05-04 00:17:27,037 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 816 [2021-05-04 00:17:27,313 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 1672 DAG size of output: 1653 [2021-05-04 00:17:30,802 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 875 DAG size of output: 716 [2021-05-04 00:17:31,012 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 875 [2021-05-04 00:17:31,234 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 1478 DAG size of output: 1278 [2021-05-04 00:17:31,745 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 2806 DAG size of output: 2648 [2021-05-04 00:17:33,546 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 963 DAG size of output: 908 [2021-05-04 00:17:34,720 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 582 DAG size of output: 541 [2021-05-04 00:17:34,890 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 1268 DAG size of output: 1210 [2021-05-04 00:17:35,091 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 1290 DAG size of output: 1224 [2021-05-04 00:17:37,788 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 1013 DAG size of output: 847 [2021-05-04 00:17:38,126 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 1918 DAG size of output: 1735 [2021-05-04 00:17:39,052 WARN L205 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 4108 DAG size of output: 3861 [2021-05-04 00:17:44,318 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 894 DAG size of output: 855 [2021-05-04 00:17:44,584 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 1472 DAG size of output: 1415 [2021-05-04 00:17:47,513 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 1102 DAG size of output: 1097 [2021-05-04 00:17:49,984 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 996 DAG size of output: 930 [2021-05-04 00:17:50,338 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 1885 DAG size of output: 1855 [2021-05-04 00:17:50,919 WARN L205 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 2979 DAG size of output: 2592 [2021-05-04 00:17:51,679 WARN L205 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 3330 DAG size of output: 2923 [2021-05-04 00:17:54,209 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1034 DAG size of output: 935 [2021-05-04 00:17:54,842 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 1354 DAG size of output: 1208 [2021-05-04 00:17:57,585 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 1049 DAG size of output: 1054 [2021-05-04 00:17:58,585 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 1683 DAG size of output: 1619 [2021-05-04 00:17:59,069 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 2475 DAG size of output: 2361 [2021-05-04 00:18:01,240 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 895 DAG size of output: 878 [2021-05-04 00:18:02,790 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 793 DAG size of output: 703 [2021-05-04 00:18:03,101 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 1440 DAG size of output: 1361 [2021-05-04 00:18:03,740 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 1717 DAG size of output: 1614 [2021-05-04 00:18:04,503 WARN L205 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 3510 DAG size of output: 3419 [2021-05-04 00:18:05,979 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 5856 DAG size of output: 5538 [2021-05-04 00:18:07,504 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 5911 DAG size of output: 5557 [2021-05-04 00:18:10,030 WARN L205 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 9470 DAG size of output: 8715 [2021-05-04 00:18:13,078 WARN L205 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 9893 DAG size of output: 8955 [2021-05-04 00:18:15,969 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 1625 DAG size of output: 1180 [2021-05-04 00:18:17,812 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 968 DAG size of output: 790 [2021-05-04 00:18:18,145 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 2310 DAG size of output: 1732 [2021-05-04 00:18:21,257 WARN L205 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 11843 DAG size of output: 10408 [2021-05-04 00:18:24,552 WARN L205 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 12069 DAG size of output: 10662 [2021-05-04 00:18:28,006 WARN L205 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 12304 DAG size of output: 10799 [2021-05-04 00:18:31,757 WARN L205 SmtUtils]: Spent 3.66 s on a formula simplification. DAG size of input: 12623 DAG size of output: 11076 [2021-05-04 00:18:31,992 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 770 [2021-05-04 00:18:32,821 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 746 DAG size of output: 707 [2021-05-04 00:18:34,728 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1138 DAG size of output: 962 [2021-05-04 00:18:34,967 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 483 [2021-05-04 00:18:37,857 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 1222 DAG size of output: 1178 [2021-05-04 00:18:38,032 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 1295 DAG size of output: 1237 [2021-05-04 00:18:39,850 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 990 [2021-05-04 00:18:42,315 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 1517 DAG size of output: 1293 [2021-05-04 00:18:42,610 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 2085 DAG size of output: 1873 [2021-05-04 00:18:43,060 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 3132 DAG size of output: 2873 [2021-05-04 00:18:46,045 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 1199 DAG size of output: 1078 [2021-05-04 00:18:46,226 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 1771 DAG size of output: 1614 [2021-05-04 00:18:49,164 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 1473 DAG size of output: 1347 [2021-05-04 00:18:49,557 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 2646 DAG size of output: 2378 [2021-05-04 00:18:52,355 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 1314 DAG size of output: 1284 [2021-05-04 00:18:55,047 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 1313 DAG size of output: 1108 [2021-05-04 00:18:57,279 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1157 DAG size of output: 1094 [2021-05-04 00:18:57,436 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 1231 DAG size of output: 1163 [2021-05-04 00:18:57,771 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 2206 DAG size of output: 1970 [2021-05-04 00:18:58,314 WARN L205 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 3256 DAG size of output: 2982 [2021-05-04 00:18:59,203 WARN L205 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 4900 DAG size of output: 4652 [2021-05-04 00:19:01,612 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 1221 DAG size of output: 1050 [2021-05-04 00:19:02,953 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 1852 DAG size of output: 1640 [2021-05-04 00:19:05,483 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 515 [2021-05-04 00:19:05,745 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 1417 DAG size of output: 1310 [2021-05-04 00:19:06,121 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 2751 DAG size of output: 2408 [2021-05-04 00:19:07,941 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 8107 DAG size of output: 7809 [2021-05-04 00:19:10,907 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 1152 DAG size of output: 972 [2021-05-04 00:19:11,873 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1169 DAG size of output: 1060 [2021-05-04 00:19:13,851 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 1267 DAG size of output: 1175 [2021-05-04 00:19:16,061 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 1141 DAG size of output: 965 [2021-05-04 00:19:16,941 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 1158 DAG size of output: 1056 [2021-05-04 00:19:18,782 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 1256 DAG size of output: 1171 [2021-05-04 00:19:19,250 WARN L205 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 2376 DAG size of output: 2190 [2021-05-04 00:19:21,703 WARN L205 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 10534 DAG size of output: 10078 [2021-05-04 00:19:23,910 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 560 [2021-05-04 00:19:25,067 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 1090 DAG size of output: 1011 [2021-05-04 00:19:25,310 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 1496 DAG size of output: 1466 [2021-05-04 00:19:26,223 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 2068 DAG size of output: 1823 [2021-05-04 00:19:28,939 WARN L205 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 12450 DAG size of output: 11688 [2021-05-04 00:19:31,991 WARN L205 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 13101 DAG size of output: 12266 [2021-05-04 00:19:35,153 WARN L205 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 13395 DAG size of output: 12440 [2021-05-04 00:19:38,513 WARN L205 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 14397 DAG size of output: 13079 [2021-05-04 00:19:42,015 WARN L205 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 14649 DAG size of output: 13223 [2021-05-04 00:19:45,762 WARN L205 SmtUtils]: Spent 3.63 s on a formula simplification. DAG size of input: 14977 DAG size of output: 13506 [2021-05-04 00:19:50,649 WARN L205 SmtUtils]: Spent 3.82 s on a formula simplification. DAG size of input: 15194 DAG size of output: 13738 [2021-05-04 00:19:58,204 WARN L205 SmtUtils]: Spent 7.42 s on a formula simplification. DAG size of input: 26745 DAG size of output: 23370 [2021-05-04 00:19:58,476 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 851 [2021-05-04 00:19:58,611 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 954 [2021-05-04 00:19:58,731 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 655 DAG size of output: 927 [2021-05-04 00:19:58,848 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 650 DAG size of output: 911 [2021-05-04 00:20:03,669 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 997 DAG size of output: 862 [2021-05-04 00:20:04,986 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 1732 DAG size of output: 1508 [2021-05-04 00:20:05,260 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 1999 DAG size of output: 1657 [2021-05-04 00:20:10,195 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 1261 DAG size of output: 1207 [2021-05-04 00:20:10,360 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 1380 DAG size of output: 1286 [2021-05-04 00:20:10,691 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 2319 DAG size of output: 2179 [2021-05-04 00:20:11,295 WARN L205 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 3783 DAG size of output: 3037 [2021-05-04 00:20:12,979 WARN L205 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 4152 DAG size of output: 3383 [2021-05-04 00:20:15,033 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 1017 DAG size of output: 785 [2021-05-04 00:20:16,641 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 1000 DAG size of output: 921 [2021-05-04 00:20:17,079 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 1271 DAG size of output: 1151 [2021-05-04 00:20:17,402 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 1888 DAG size of output: 1608 [2021-05-04 00:20:19,213 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 1244 DAG size of output: 1149 [2021-05-04 00:20:20,649 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 1820 DAG size of output: 1729 [2021-05-04 00:20:23,289 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1404 DAG size of output: 1234 [2021-05-04 00:20:23,652 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 2664 DAG size of output: 2563 [2021-05-04 00:20:24,376 WARN L205 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 3829 DAG size of output: 3556 [2021-05-04 00:20:25,097 WARN L205 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 4064 DAG size of output: 3714 [2021-05-04 00:20:26,530 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 7138 DAG size of output: 6235 [2021-05-04 00:20:27,283 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 464 DAG size of output: 651 [2021-05-04 00:20:30,792 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 924 DAG size of output: 881 [2021-05-04 00:20:31,020 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 1542 DAG size of output: 1430 [2021-05-04 00:20:31,293 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 1772 DAG size of output: 1590 [2021-05-04 00:20:31,716 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 2049 DAG size of output: 1818 [2021-05-04 00:20:34,647 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 1221 DAG size of output: 1101 [2021-05-04 00:20:34,858 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 1713 DAG size of output: 1582 [2021-05-04 00:20:37,489 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 1317 DAG size of output: 1181 [2021-05-04 00:20:37,866 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 2506 DAG size of output: 2399 [2021-05-04 00:20:38,409 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 2728 DAG size of output: 2579 [2021-05-04 00:20:39,203 WARN L205 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 4060 DAG size of output: 3794 [2021-05-04 00:20:42,413 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 1055 DAG size of output: 961 [2021-05-04 00:20:44,470 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 1745 DAG size of output: 1637 [2021-05-04 00:20:44,777 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 2011 DAG size of output: 1797 [2021-05-04 00:20:49,662 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 1244 DAG size of output: 1209 [2021-05-04 00:20:49,844 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 1371 DAG size of output: 1304 [2021-05-04 00:20:50,179 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 2160 DAG size of output: 2102 [2021-05-04 00:20:50,785 WARN L205 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 3647 DAG size of output: 3063 [2021-05-04 00:20:51,633 WARN L205 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 3970 DAG size of output: 3377 [2021-05-04 00:20:53,127 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 7065 DAG size of output: 6258 [2021-05-04 00:20:56,147 WARN L205 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 13484 DAG size of output: 11267 [2021-05-04 00:20:57,656 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 815 DAG size of output: 673 [2021-05-04 00:20:59,136 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 539 DAG size of output: 483 [2021-05-04 00:20:59,516 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 1432 DAG size of output: 1098 [2021-05-04 00:21:02,337 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 1206 DAG size of output: 964 [2021-05-04 00:21:02,773 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 2424 DAG size of output: 1788 [2021-05-04 00:21:06,285 WARN L205 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 15746 DAG size of output: 12900 [2021-05-04 00:21:11,571 WARN L205 SmtUtils]: Spent 3.75 s on a formula simplification. DAG size of input: 16353 DAG size of output: 13473 [2021-05-04 00:21:17,107 WARN L205 SmtUtils]: Spent 3.98 s on a formula simplification. DAG size of input: 17666 DAG size of output: 14071 [2021-05-04 00:21:21,424 WARN L205 SmtUtils]: Spent 4.19 s on a formula simplification. DAG size of input: 17919 DAG size of output: 14391 [2021-05-04 00:21:25,995 WARN L205 SmtUtils]: Spent 4.43 s on a formula simplification. DAG size of input: 18270 DAG size of output: 14573 [2021-05-04 00:21:30,854 WARN L205 SmtUtils]: Spent 4.73 s on a formula simplification. DAG size of input: 18574 DAG size of output: 14802 [2021-05-04 00:21:31,087 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 651 DAG size of output: 927 [2021-05-04 00:21:32,827 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 841 [2021-05-04 00:21:37,150 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 1398 DAG size of output: 1253 [2021-05-04 00:21:40,172 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 2259 DAG size of output: 1943 [2021-05-04 00:21:42,305 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 946 DAG size of output: 977 [2021-05-04 00:21:44,641 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 1584 DAG size of output: 1581 [2021-05-04 00:21:45,203 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 3125 DAG size of output: 2976 [2021-05-04 00:21:47,294 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 1121 DAG size of output: 1051 [2021-05-04 00:21:49,526 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 1087 DAG size of output: 1007 [2021-05-04 00:21:49,780 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 1739 DAG size of output: 1689 [2021-05-04 00:21:52,631 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 963 [2021-05-04 00:21:55,179 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1225 DAG size of output: 1105 [2021-05-04 00:21:55,471 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 2086 DAG size of output: 1855 [2021-05-04 00:21:56,668 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 5189 DAG size of output: 5120 [2021-05-04 00:21:58,258 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 5464 DAG size of output: 5420 [2021-05-04 00:21:59,756 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 5505 DAG size of output: 5370 [2021-05-04 00:21:59,936 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 718 [2021-05-04 00:22:03,514 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 1254 DAG size of output: 1164 [2021-05-04 00:22:05,777 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1100 DAG size of output: 895 [2021-05-04 00:22:06,081 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 1982 DAG size of output: 1548 [2021-05-04 00:22:08,236 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 904 [2021-05-04 00:22:10,946 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 1367 DAG size of output: 1031 [2021-05-04 00:22:11,494 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 3540 DAG size of output: 2743 [2021-05-04 00:22:12,163 WARN L205 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 3752 DAG size of output: 2945 [2021-05-04 00:22:12,868 WARN L205 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 3782 DAG size of output: 2948 [2021-05-04 00:22:15,183 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 1201 DAG size of output: 1061 [2021-05-04 00:22:16,791 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 1737 DAG size of output: 1574 [2021-05-04 00:22:17,048 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 1758 DAG size of output: 1591 [2021-05-04 00:22:19,535 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 1304 DAG size of output: 1135 [2021-05-04 00:22:19,772 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 1332 DAG size of output: 1158 [2021-05-04 00:22:20,206 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 2755 DAG size of output: 2423 [2021-05-04 00:22:21,625 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 641 [2021-05-04 00:22:21,844 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 924 DAG size of output: 775 [2021-05-04 00:22:23,055 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 1211 DAG size of output: 1039 [2021-05-04 00:22:24,729 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 832 DAG size of output: 658 [2021-05-04 00:22:24,861 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 934 DAG size of output: 751 [2021-05-04 00:22:24,989 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 958 DAG size of output: 763 [2021-05-04 00:22:25,314 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 1912 DAG size of output: 1493 [2021-05-04 00:22:26,144 WARN L205 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 3858 DAG size of output: 3339 [2021-05-04 00:22:27,689 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 6616 DAG size of output: 5590 [2021-05-04 00:22:30,670 WARN L205 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 11460 DAG size of output: 9966 [2021-05-04 00:22:32,301 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 404 [2021-05-04 00:22:32,701 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1214 DAG size of output: 908 [2021-05-04 00:22:34,546 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 1182 DAG size of output: 876 [2021-05-04 00:22:34,837 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 2166 DAG size of output: 1467 [2021-05-04 00:22:38,003 WARN L205 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 13202 DAG size of output: 11038 [2021-05-04 00:22:41,392 WARN L205 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 14429 DAG size of output: 11480 [2021-05-04 00:22:46,071 WARN L205 SmtUtils]: Spent 3.59 s on a formula simplification. DAG size of input: 14709 DAG size of output: 11827 [2021-05-04 00:22:50,025 WARN L205 SmtUtils]: Spent 3.87 s on a formula simplification. DAG size of input: 15008 DAG size of output: 12048 [2021-05-04 00:22:58,630 WARN L205 SmtUtils]: Spent 8.49 s on a formula simplification. DAG size of input: 32411 DAG size of output: 25107 [2021-05-04 00:23:07,612 WARN L205 SmtUtils]: Spent 8.79 s on a formula simplification. DAG size of input: 32818 DAG size of output: 25389 [2021-05-04 00:23:24,168 WARN L205 SmtUtils]: Spent 16.31 s on a formula simplification. DAG size of input: 57077 DAG size of output: 45107 [2021-05-04 00:23:41,407 WARN L205 SmtUtils]: Spent 16.89 s on a formula simplification. DAG size of input: 57471 DAG size of output: 45432 [2021-05-04 00:23:41,829 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 766 [2021-05-04 00:23:41,939 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 582 DAG size of output: 833 [2021-05-04 00:23:44,840 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 1504 DAG size of output: 1076 [2021-05-04 00:23:48,138 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 957 DAG size of output: 970 [2021-05-04 00:23:51,228 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 817 DAG size of output: 925 [2021-05-04 00:23:51,437 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 1283 DAG size of output: 1415 [2021-05-04 00:23:51,829 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 2055 DAG size of output: 2188 [2021-05-04 00:23:53,894 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 998 DAG size of output: 964 [2021-05-04 00:23:55,665 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 1112 DAG size of output: 1001 [2021-05-04 00:23:56,959 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 627 [2021-05-04 00:23:57,854 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1055 DAG size of output: 889 [2021-05-04 00:23:59,691 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 1018 DAG size of output: 971 [2021-05-04 00:23:59,932 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 1770 DAG size of output: 1581 [2021-05-04 00:24:00,415 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 2742 DAG size of output: 2659 [2021-05-04 00:24:01,373 WARN L205 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 4053 DAG size of output: 4092 [2021-05-04 00:24:03,428 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 4261 DAG size of output: 4309 [2021-05-04 00:24:04,759 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 4554 DAG size of output: 4422 [2021-05-04 00:24:10,687 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 1428 DAG size of output: 1345 [2021-05-04 00:24:11,021 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 2147 DAG size of output: 2088 [2021-05-04 00:24:14,956 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 1694 DAG size of output: 1421 Received shutdown request... [2021-05-04 00:24:16,434 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51164,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable114589 [2021-05-04 00:24:16,435 WARN L545 AbstractCegarLoop]: Verification canceled [2021-05-04 00:24:16,453 WARN L224 ceAbstractionStarter]: Timeout [2021-05-04 00:24:16,454 INFO L202 PluginConnector]: Adding new model unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 12:24:16 BasicIcfg [2021-05-04 00:24:16,454 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-04 00:24:16,454 INFO L168 Benchmark]: Toolchain (without parser) took 866563.13 ms. Allocated memory was 367.0 MB in the beginning and 4.3 GB in the end (delta: 4.0 GB). Free memory was 346.2 MB in the beginning and 4.1 GB in the end (delta: -3.7 GB). Peak memory consumption was 2.7 GB. Max. memory is 16.0 GB. [2021-05-04 00:24:16,454 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 367.0 MB. Free memory is still 347.3 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-05-04 00:24:16,454 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.00 ms. Allocated memory is still 367.0 MB. Free memory was 346.1 MB in the beginning and 344.6 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-04 00:24:16,454 INFO L168 Benchmark]: Boogie Preprocessor took 14.94 ms. Allocated memory is still 367.0 MB. Free memory was 344.6 MB in the beginning and 343.7 MB in the end (delta: 973.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-05-04 00:24:16,454 INFO L168 Benchmark]: RCFGBuilder took 238.91 ms. Allocated memory is still 367.0 MB. Free memory was 343.6 MB in the beginning and 326.6 MB in the end (delta: 17.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-05-04 00:24:16,454 INFO L168 Benchmark]: TraceAbstraction took 866282.50 ms. Allocated memory was 367.0 MB in the beginning and 4.3 GB in the end (delta: 4.0 GB). Free memory was 326.2 MB in the beginning and 4.1 GB in the end (delta: -3.7 GB). Peak memory consumption was 2.7 GB. Max. memory is 16.0 GB. [2021-05-04 00:24:16,455 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 0.14 ms. Allocated memory is still 367.0 MB. Free memory is still 347.3 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 23.00 ms. Allocated memory is still 367.0 MB. Free memory was 346.1 MB in the beginning and 344.6 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 14.94 ms. Allocated memory is still 367.0 MB. Free memory was 344.6 MB in the beginning and 343.7 MB in the end (delta: 973.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 238.91 ms. Allocated memory is still 367.0 MB. Free memory was 343.6 MB in the beginning and 326.6 MB in the end (delta: 17.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 866282.50 ms. Allocated memory was 367.0 MB in the beginning and 4.3 GB in the end (delta: 4.0 GB). Free memory was 326.2 MB in the beginning and 4.1 GB in the end (delta: -3.7 GB). Peak memory consumption was 2.7 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: 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] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.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] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.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] , 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: 67, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 59, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 67, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 12, negative conditional: 0, negative unconditional: 12, 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: 67, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 12, negative conditional: 0, negative unconditional: 12, 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: 67, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 12, negative conditional: 0, negative unconditional: 12, 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: 67, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 12, negative conditional: 0, negative unconditional: 12, 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: 67, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 12, negative conditional: 0, negative unconditional: 12, 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: 67, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 12, negative conditional: 0, negative unconditional: 12, 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: 67, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 12, negative conditional: 0, negative unconditional: 12, 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: 67, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 12, negative conditional: 0, negative unconditional: 12, 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: 67, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 12, negative conditional: 0, negative unconditional: 12, 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: 67, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 12, negative conditional: 0, negative unconditional: 12, 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: 67, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 12, negative conditional: 0, negative unconditional: 12, 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: 67, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 12, negative conditional: 0, negative unconditional: 12, 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: 67, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 12, negative conditional: 0, negative unconditional: 12, 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: 67, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 12, negative conditional: 0, negative unconditional: 12, 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: 67, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 12, negative conditional: 0, negative unconditional: 12, 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: 67, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 12, negative conditional: 0, negative unconditional: 12, 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: 67, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 12, negative conditional: 0, negative unconditional: 12, 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: 67, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 12, negative conditional: 0, negative unconditional: 12, 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: -1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 85, Number of persistent set computation: 414, Number of trivial persistent sets: 412, Underlying independence relation: CachedIndependenceRelation.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] , 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: 67, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 59, positive: 0, positive conditional: 0, positive unconditional: 0, 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 SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 0ms.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 866178.1ms, OverallIterations: 19, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6.5ms, PartialOrderReductionTime: 3328.0ms, 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: 78.6ms SsaConstructionTime, 343.1ms SatisfiabilityAnalysisTime, 431172.0ms 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