/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-14 03:49:30,129 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-14 03:49:30,131 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-14 03:49:30,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-14 03:49:30,191 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-NewStatesSleep-NoLbe-Random42.epf [2021-06-14 03:49:30,216 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-14 03:49:30,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-14 03:49:30,217 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-14 03:49:30,217 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-14 03:49:30,218 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-14 03:49:30,218 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-14 03:49:30,218 INFO L138 SettingsManager]: * Use SBE=true [2021-06-14 03:49:30,219 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-14 03:49:30,219 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-14 03:49:30,219 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-14 03:49:30,219 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-14 03:49:30,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-14 03:49:30,220 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-14 03:49:30,220 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-14 03:49:30,220 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-14 03:49:30,220 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-14 03:49:30,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-14 03:49:30,221 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-14 03:49:30,221 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-14 03:49:30,221 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-14 03:49:30,221 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-14 03:49:30,221 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-14 03:49:30,222 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-14 03:49:30,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 03:49:30,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-14 03:49:30,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-14 03:49:30,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-14 03:49:30,223 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-14 03:49:30,227 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-14 03:49:30,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-14 03:49:30,227 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-14 03:49:30,227 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-14 03:49:30,227 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-14 03:49:30,227 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-14 03:49:30,228 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-14 03:49:30,228 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-14 03:49:30,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-14 03:49:30,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-14 03:49:30,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-14 03:49:30,517 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-14 03:49:30,518 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-14 03:49:30,519 INFO L432 ainManager$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 [2021-06-14 03:49:30,527 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-3.wvr.bpl' [2021-06-14 03:49:30,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-14 03:49:30,562 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-14 03:49:30,563 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-14 03:49:30,564 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-14 03:49:30,564 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-14 03:49:30,574 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 14.06 03:49:30" (1/1) ... [2021-06-14 03:49:30,581 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 14.06 03:49:30" (1/1) ... [2021-06-14 03:49:30,587 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-14 03:49:30,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-14 03:49:30,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-14 03:49:30,588 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-14 03:49:30,595 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 14.06 03:49:30" (1/1) ... [2021-06-14 03:49:30,595 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 14.06 03:49:30" (1/1) ... [2021-06-14 03:49:30,596 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 14.06 03:49:30" (1/1) ... [2021-06-14 03:49:30,596 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 14.06 03:49:30" (1/1) ... [2021-06-14 03:49:30,600 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 14.06 03:49:30" (1/1) ... [2021-06-14 03:49:30,603 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 14.06 03:49:30" (1/1) ... [2021-06-14 03:49:30,604 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 14.06 03:49:30" (1/1) ... [2021-06-14 03:49:30,605 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-14 03:49:30,606 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-14 03:49:30,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-14 03:49:30,606 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-14 03:49:30,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:49:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 03:49:30,675 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-14 03:49:30,675 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-14 03:49:30,676 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-14 03:49:30,676 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-14 03:49:30,676 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-14 03:49:30,676 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-14 03:49:30,676 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-14 03:49:30,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-14 03:49:30,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-14 03:49:30,679 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-14 03:49:30,891 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-14 03:49:30,891 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-06-14 03:49:30,892 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-14 03:49:30,893 INFO L202 PluginConnector]: Adding new model unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 03:49:30 BoogieIcfgContainer [2021-06-14 03:49:30,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-14 03:49:30,895 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-14 03:49:30,895 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-14 03:49:30,897 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-14 03:49:30,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:49:30" (1/2) ... [2021-06-14 03:49:30,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66946cc0 and model type unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 03:49:30, skipping insertion in model container [2021-06-14 03:49:30,898 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 14.06 03:49:30" (2/2) ... [2021-06-14 03:49:30,899 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-3.wvr.bpl [2021-06-14 03:49:30,904 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-14 03:49:30,904 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-14 03:49:30,904 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-14 03:49:30,905 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-14 03:49:30,927 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-14 03:49:30,944 INFO L255 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 [2021-06-14 03:49:30,986 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 03:49:30,986 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 03:49:30,986 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 03:49:30,986 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 03:49:30,986 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 03:49:30,986 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 03:49:30,986 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 03:49:30,987 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-14 03:49:31,009 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:49:31,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:49:31,015 INFO L82 PathProgramCache]: Analyzing trace with hash -1855568491, now seen corresponding path program 1 times [2021-06-14 03:49:31,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:49:31,023 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578293864] [2021-06-14 03:49:31,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:49:31,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:49:31,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:31,249 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:49:31,250 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578293864] [2021-06-14 03:49:31,250 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578293864] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 03:49:31,250 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 03:49:31,250 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-14 03:49:31,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165802627] [2021-06-14 03:49:31,255 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-14 03:49:31,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:49:31,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-14 03:49:31,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-14 03:49:31,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:31,268 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:49:31,279 INFO L483 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) [2021-06-14 03:49:31,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:31,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:31,343 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-14 03:49:31,343 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:49:31,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:49:31,343 INFO L82 PathProgramCache]: Analyzing trace with hash -824603045, now seen corresponding path program 1 times [2021-06-14 03:49:31,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:49:31,344 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739456710] [2021-06-14 03:49:31,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:49:31,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:49:31,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:31,512 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:49:31,513 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739456710] [2021-06-14 03:49:31,513 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739456710] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:31,514 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928422713] [2021-06-14 03:49:31,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:49:31,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:49:31,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-14 03:49:31,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:49:31,745 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 [2021-06-14 03:49:31,748 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 03:49:31,750 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:49:31,751 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 03:49:31,755 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2021-06-14 03:49:31,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:31,767 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1928422713] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:31,767 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:49:31,767 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-06-14 03:49:31,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289927185] [2021-06-14 03:49:31,771 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-14 03:49:31,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:49:31,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-14 03:49:31,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-06-14 03:49:31,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:31,775 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:49:31,775 INFO L483 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) [2021-06-14 03:49:31,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:31,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:31,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:31,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:32,085 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:49:32,085 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:49:32,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:49:32,086 INFO L82 PathProgramCache]: Analyzing trace with hash 152604519, now seen corresponding path program 2 times [2021-06-14 03:49:32,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:49:32,086 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119502516] [2021-06-14 03:49:32,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:49:32,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:49:32,185 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:32,186 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:49:32,186 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119502516] [2021-06-14 03:49:32,186 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119502516] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:32,186 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1370729107] [2021-06-14 03:49:32,186 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 [2021-06-14 03:49:32,217 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 03:49:32,218 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:49:32,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-14 03:49:32,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:49:32,389 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:49:32,389 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 [2021-06-14 03:49:32,392 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 03:49:32,394 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:49:32,394 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 03:49:32,394 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-06-14 03:49:32,400 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:32,400 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1370729107] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:32,400 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:49:32,401 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-06-14 03:49:32,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061520145] [2021-06-14 03:49:32,401 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-14 03:49:32,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:49:32,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-14 03:49:32,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-06-14 03:49:32,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:32,402 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:49:32,403 INFO L483 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) [2021-06-14 03:49:32,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:32,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:32,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:32,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:32,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:32,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:32,684 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:49:32,685 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:49:32,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:49:32,686 INFO L82 PathProgramCache]: Analyzing trace with hash 462398216, now seen corresponding path program 1 times [2021-06-14 03:49:32,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:49:32,686 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536580795] [2021-06-14 03:49:32,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:49:32,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:49:32,737 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:32,737 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:49:32,737 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536580795] [2021-06-14 03:49:32,737 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536580795] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:32,738 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [917200544] [2021-06-14 03:49:32,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:49:32,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:49:32,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-14 03:49:32,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:49:32,796 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:32,797 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [917200544] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:32,797 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:49:32,797 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-06-14 03:49:32,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142727952] [2021-06-14 03:49:32,798 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-14 03:49:32,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:49:32,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-14 03:49:32,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-06-14 03:49:32,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:32,799 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:49:32,799 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:49:32,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:32,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:32,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:32,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:32,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:32,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:32,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:32,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:33,080 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:49:33,081 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:49:33,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:49:33,082 INFO L82 PathProgramCache]: Analyzing trace with hash 381267931, now seen corresponding path program 3 times [2021-06-14 03:49:33,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:49:33,082 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081323258] [2021-06-14 03:49:33,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:49:33,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:49:33,132 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:33,132 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:49:33,132 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081323258] [2021-06-14 03:49:33,133 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081323258] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:33,133 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868661522] [2021-06-14 03:49:33,133 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:49:33,179 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-14 03:49:33,179 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:49:33,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-14 03:49:33,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:49:33,230 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:33,231 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [868661522] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:33,231 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:49:33,231 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-06-14 03:49:33,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261390862] [2021-06-14 03:49:33,231 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-14 03:49:33,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:49:33,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-14 03:49:33,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-14 03:49:33,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:33,232 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:49:33,232 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:49:33,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:33,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:33,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:33,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:33,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:33,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:33,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:33,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:33,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:33,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:49:33,500 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:49:33,501 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:49:33,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:49:33,501 INFO L82 PathProgramCache]: Analyzing trace with hash -1038970604, now seen corresponding path program 2 times [2021-06-14 03:49:33,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:49:33,502 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075076306] [2021-06-14 03:49:33,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:49:33,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:49:33,593 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:33,593 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:49:33,593 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075076306] [2021-06-14 03:49:33,593 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075076306] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:33,594 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [821281151] [2021-06-14 03:49:33,594 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 [2021-06-14 03:49:33,630 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 03:49:33,630 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:49:33,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-14 03:49:33,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:49:33,834 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:49:33,834 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 [2021-06-14 03:49:33,846 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 03:49:33,847 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:49:33,848 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 03:49:33,848 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-06-14 03:49:33,853 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:33,853 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [821281151] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:33,853 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:49:33,853 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-06-14 03:49:33,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233937635] [2021-06-14 03:49:33,854 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-14 03:49:33,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:49:33,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-14 03:49:33,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-06-14 03:49:33,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:33,855 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:49:33,855 INFO L483 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) [2021-06-14 03:49:33,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:33,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:33,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:33,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:33,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:49:33,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:34,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:34,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:34,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:34,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:34,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:49:34,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:49:34,284 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:49:34,284 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:49:34,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:49:34,284 INFO L82 PathProgramCache]: Analyzing trace with hash -336763768, now seen corresponding path program 3 times [2021-06-14 03:49:34,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:49:34,285 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67263712] [2021-06-14 03:49:34,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:49:34,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:49:34,386 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:34,386 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:49:34,386 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67263712] [2021-06-14 03:49:34,386 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67263712] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:34,386 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1862483831] [2021-06-14 03:49:34,387 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 [2021-06-14 03:49:34,429 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-14 03:49:34,429 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:49:34,430 WARN L261 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-14 03:49:34,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:49:34,623 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:49:34,623 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 [2021-06-14 03:49:34,664 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 03:49:34,665 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:49:34,666 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 03:49:34,666 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-06-14 03:49:34,670 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:34,670 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1862483831] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:34,670 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:49:34,670 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-06-14 03:49:34,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742565512] [2021-06-14 03:49:34,671 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-14 03:49:34,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:49:34,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-14 03:49:34,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2021-06-14 03:49:34,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:34,672 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:49:34,672 INFO L483 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) [2021-06-14 03:49:34,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:34,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:34,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:34,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:34,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:49:34,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:49:34,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:34,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:34,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:34,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:34,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:34,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:49:34,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:49:34,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:35,039 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-06-14 03:49:35,040 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:49:35,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:49:35,040 INFO L82 PathProgramCache]: Analyzing trace with hash -43188332, now seen corresponding path program 4 times [2021-06-14 03:49:35,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:49:35,040 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65455832] [2021-06-14 03:49:35,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:49:35,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:49:35,136 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:35,136 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:49:35,136 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65455832] [2021-06-14 03:49:35,136 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65455832] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:35,137 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2045154238] [2021-06-14 03:49:35,137 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:49:35,172 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 03:49:35,173 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:49:35,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 28 conjunts are in the unsatisfiable core [2021-06-14 03:49:35,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:49:35,409 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:49:35,410 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 [2021-06-14 03:49:35,559 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 03:49:35,560 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:49:35,560 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 03:49:35,561 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-06-14 03:49:35,565 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:35,565 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2045154238] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:35,566 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:49:35,566 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-06-14 03:49:35,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763866195] [2021-06-14 03:49:35,566 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-14 03:49:35,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:49:35,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-14 03:49:35,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-06-14 03:49:35,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:35,567 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:49:35,567 INFO L483 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) [2021-06-14 03:49:35,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:35,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:35,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:35,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:35,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:49:35,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:49:35,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:35,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:35,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:35,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:35,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:35,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:35,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:49:35,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:49:35,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:35,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:35,983 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-06-14 03:49:35,983 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:49:35,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:49:35,984 INFO L82 PathProgramCache]: Analyzing trace with hash -1312212869, now seen corresponding path program 5 times [2021-06-14 03:49:35,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:49:35,984 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942544768] [2021-06-14 03:49:35,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:49:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:49:36,043 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:36,043 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:49:36,043 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942544768] [2021-06-14 03:49:36,044 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942544768] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:36,044 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [50592147] [2021-06-14 03:49:36,044 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 [2021-06-14 03:49:36,085 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-14 03:49:36,085 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:49:36,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-14 03:49:36,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:49:36,122 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:36,122 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [50592147] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:36,123 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:49:36,123 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-06-14 03:49:36,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960136846] [2021-06-14 03:49:36,123 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-14 03:49:36,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:49:36,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-14 03:49:36,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2021-06-14 03:49:36,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:36,124 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:49:36,124 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:49:36,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:36,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:36,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:36,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:36,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:49:36,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:49:36,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:36,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:36,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:36,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:36,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:36,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:36,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:36,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:49:36,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:49:36,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:36,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:36,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 03:49:36,480 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-06-14 03:49:36,481 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:49:36,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:49:36,481 INFO L82 PathProgramCache]: Analyzing trace with hash 467715592, now seen corresponding path program 6 times [2021-06-14 03:49:36,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:49:36,481 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140385545] [2021-06-14 03:49:36,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:49:36,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:49:36,534 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:36,535 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:49:36,535 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140385545] [2021-06-14 03:49:36,535 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140385545] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:36,535 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [629252916] [2021-06-14 03:49:36,535 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 [2021-06-14 03:49:36,561 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-14 03:49:36,561 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:49:36,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-14 03:49:36,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:49:36,615 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:36,616 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [629252916] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:36,616 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:49:36,616 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-06-14 03:49:36,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942664223] [2021-06-14 03:49:36,616 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-14 03:49:36,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:49:36,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-14 03:49:36,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-06-14 03:49:36,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:36,617 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:49:36,617 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:49:36,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:36,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:36,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:36,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:36,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:49:36,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:49:36,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:36,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:36,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 03:49:36,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:36,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:36,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:36,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:36,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:36,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:49:36,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:49:36,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:36,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:36,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 03:49:36,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:36,928 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:49:36,929 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:49:36,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:49:36,929 INFO L82 PathProgramCache]: Analyzing trace with hash 1640906887, now seen corresponding path program 7 times [2021-06-14 03:49:36,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:49:36,929 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560390702] [2021-06-14 03:49:36,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:49:36,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:49:37,061 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:37,061 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:49:37,061 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560390702] [2021-06-14 03:49:37,062 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560390702] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:37,062 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677924685] [2021-06-14 03:49:37,062 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 [2021-06-14 03:49:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:49:37,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 35 conjunts are in the unsatisfiable core [2021-06-14 03:49:37,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:49:37,387 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:49:37,387 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 [2021-06-14 03:49:37,747 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 03:49:37,748 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:49:37,749 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 03:49:37,749 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-06-14 03:49:37,753 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:37,753 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [677924685] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:37,753 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:49:37,754 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2021-06-14 03:49:37,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064174443] [2021-06-14 03:49:37,754 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-14 03:49:37,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:49:37,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-14 03:49:37,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2021-06-14 03:49:37,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:37,755 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:49:37,755 INFO L483 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) [2021-06-14 03:49:37,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:37,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:37,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:37,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:37,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:49:37,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:49:37,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:37,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:37,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 03:49:37,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:37,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:38,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:38,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:38,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:38,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:38,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:49:38,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:49:38,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:38,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:38,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 03:49:38,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:38,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 03:49:38,296 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable51 [2021-06-14 03:49:38,297 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:49:38,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:49:38,297 INFO L82 PathProgramCache]: Analyzing trace with hash -1301661189, now seen corresponding path program 8 times [2021-06-14 03:49:38,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:49:38,298 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99669446] [2021-06-14 03:49:38,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:49:38,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:49:38,459 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:38,459 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:49:38,459 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99669446] [2021-06-14 03:49:38,460 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99669446] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:38,460 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [299292580] [2021-06-14 03:49:38,460 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 [2021-06-14 03:49:38,487 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 03:49:38,487 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:49:38,488 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 48 conjunts are in the unsatisfiable core [2021-06-14 03:49:38,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:49:38,854 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:49:38,854 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 [2021-06-14 03:49:39,574 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 03:49:39,576 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:49:39,576 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 03:49:39,576 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:3 [2021-06-14 03:49:39,581 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:39,581 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [299292580] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:39,581 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:49:39,581 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-06-14 03:49:39,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126559480] [2021-06-14 03:49:39,582 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-14 03:49:39,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:49:39,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-14 03:49:39,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=540, Unknown=0, NotChecked=0, Total=600 [2021-06-14 03:49:39,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:39,583 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:49:39,583 INFO L483 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) [2021-06-14 03:49:39,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:39,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:39,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:39,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:39,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:49:39,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:49:39,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:39,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:39,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 03:49:39,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:39,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 03:49:39,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:39,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:39,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:39,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:39,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:39,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:49:39,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:49:39,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:39,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:39,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 03:49:39,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:39,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 03:49:39,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:49:40,067 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:49:40,067 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:49:40,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:49:40,067 INFO L82 PathProgramCache]: Analyzing trace with hash 1968008967, now seen corresponding path program 9 times [2021-06-14 03:49:40,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:49:40,068 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125377166] [2021-06-14 03:49:40,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:49:40,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:49:40,203 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:40,204 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:49:40,204 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125377166] [2021-06-14 03:49:40,204 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125377166] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:40,204 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [772720151] [2021-06-14 03:49:40,204 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 [2021-06-14 03:49:40,235 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-14 03:49:40,236 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:49:40,240 WARN L261 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 42 conjunts are in the unsatisfiable core [2021-06-14 03:49:40,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:49:40,673 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-06-14 03:49:40,673 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:49:40,673 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 [2021-06-14 03:49:42,861 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 03:49:42,865 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:49:42,865 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 03:49:42,866 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-06-14 03:49:42,870 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:42,870 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [772720151] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:42,870 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:49:42,870 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-06-14 03:49:42,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79133316] [2021-06-14 03:49:42,871 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-14 03:49:42,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:49:42,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-14 03:49:42,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2021-06-14 03:49:42,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:42,872 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:49:42,872 INFO L483 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) [2021-06-14 03:49:42,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:42,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:42,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:42,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:42,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:49:42,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:49:42,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:42,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:42,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 03:49:42,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:42,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 03:49:42,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:49:42,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:43,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:43,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:43,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:43,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:43,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:49:43,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:49:43,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:43,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:43,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 03:49:43,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:43,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 03:49:43,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:49:43,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:49:43,507 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable200 [2021-06-14 03:49:43,507 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:49:43,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:49:43,508 INFO L82 PathProgramCache]: Analyzing trace with hash 905361256, now seen corresponding path program 10 times [2021-06-14 03:49:43,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:49:43,508 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000274944] [2021-06-14 03:49:43,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:49:43,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:49:43,599 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:43,599 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:49:43,599 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000274944] [2021-06-14 03:49:43,599 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000274944] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:43,599 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1042753864] [2021-06-14 03:49:43,600 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 [2021-06-14 03:49:43,624 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 03:49:43,625 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:49:43,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-14 03:49:43,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:49:43,674 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:43,674 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1042753864] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:43,674 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:49:43,675 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-06-14 03:49:43,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465778999] [2021-06-14 03:49:43,676 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-14 03:49:43,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:49:43,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-14 03:49:43,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2021-06-14 03:49:43,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:43,677 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:49:43,677 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:49:43,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:43,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:43,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:43,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:43,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:49:43,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:49:43,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:43,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:43,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 03:49:43,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:43,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 03:49:43,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:49:43,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:49:43,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:43,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:43,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:43,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:43,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:43,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:49:43,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:49:43,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:43,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:43,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 03:49:43,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:43,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 03:49:43,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:49:43,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:49:43,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 03:49:44,154 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable443,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:49:44,154 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:49:44,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:49:44,154 INFO L82 PathProgramCache]: Analyzing trace with hash 248568699, now seen corresponding path program 11 times [2021-06-14 03:49:44,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:49:44,154 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670181992] [2021-06-14 03:49:44,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:49:44,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:49:44,261 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:44,262 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:49:44,262 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670181992] [2021-06-14 03:49:44,262 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670181992] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:44,262 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [663134256] [2021-06-14 03:49:44,262 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 [2021-06-14 03:49:44,296 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-14 03:49:44,296 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:49:44,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-14 03:49:44,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:49:44,347 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:44,347 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [663134256] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:44,347 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:49:44,347 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-06-14 03:49:44,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498232372] [2021-06-14 03:49:44,348 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-14 03:49:44,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:49:44,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-14 03:49:44,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-06-14 03:49:44,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:44,349 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:49:44,349 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:49:44,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:44,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:44,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:44,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:44,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:49:44,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:49:44,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:44,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:44,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 03:49:44,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:44,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 03:49:44,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:49:44,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:49:44,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 03:49:44,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:44,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:44,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:44,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:44,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:44,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:49:44,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:49:44,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:44,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:44,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 03:49:44,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:44,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 03:49:44,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:49:44,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:49:44,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 03:49:44,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 03:49:44,716 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable444 [2021-06-14 03:49:44,717 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:49:44,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:49:44,717 INFO L82 PathProgramCache]: Analyzing trace with hash -857679500, now seen corresponding path program 12 times [2021-06-14 03:49:44,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:49:44,717 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872546068] [2021-06-14 03:49:44,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:49:44,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:49:44,904 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:44,904 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:49:44,904 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872546068] [2021-06-14 03:49:44,905 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872546068] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:44,905 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1772004956] [2021-06-14 03:49:44,905 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:49:44,934 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-06-14 03:49:44,934 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:49:44,935 WARN L261 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 47 conjunts are in the unsatisfiable core [2021-06-14 03:49:44,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:49:45,496 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-06-14 03:49:45,496 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:49:45,497 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 [2021-06-14 03:49:46,547 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 213 [2021-06-14 03:49:46,761 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 269 [2021-06-14 03:49:47,660 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 214 [2021-06-14 03:49:47,807 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 247 [2021-06-14 03:49:48,099 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-06-14 03:49:48,417 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-06-14 03:49:48,751 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 387 [2021-06-14 03:49:49,167 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 257 [2021-06-14 03:49:49,895 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 203 [2021-06-14 03:49:50,031 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-06-14 03:49:50,165 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-06-14 03:49:50,352 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 282 [2021-06-14 03:49:51,068 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 210 [2021-06-14 03:49:51,288 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 212 [2021-06-14 03:49:51,533 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 03:49:51,535 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:49:51,535 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 03:49:51,535 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-06-14 03:49:51,544 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:51,545 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1772004956] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:51,545 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:49:51,545 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-06-14 03:49:51,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012328712] [2021-06-14 03:49:51,545 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-14 03:49:51,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:49:51,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-14 03:49:51,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=854, Unknown=0, NotChecked=0, Total=930 [2021-06-14 03:49:51,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:51,546 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:49:51,546 INFO L483 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) [2021-06-14 03:49:51,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:51,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:51,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:51,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:51,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:49:51,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:49:51,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:51,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:51,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 03:49:51,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:51,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 03:49:51,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:49:51,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:49:51,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 03:49:51,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 03:49:51,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:52,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:52,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:52,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:52,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:52,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:49:52,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:49:52,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:52,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:52,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 03:49:52,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:49:52,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 03:49:52,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:49:52,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:49:52,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 03:49:52,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 03:49:52,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 03:49:52,547 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable445,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:49:52,548 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:49:52,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:49:52,548 INFO L82 PathProgramCache]: Analyzing trace with hash 322631912, now seen corresponding path program 13 times [2021-06-14 03:49:52,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:49:52,548 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720543702] [2021-06-14 03:49:52,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:49:52,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:49:52,802 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:52,802 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:49:52,802 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720543702] [2021-06-14 03:49:52,802 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720543702] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:52,802 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096349898] [2021-06-14 03:49:52,802 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 [2021-06-14 03:49:52,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:49:52,832 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 64 conjunts are in the unsatisfiable core [2021-06-14 03:49:52,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:49:53,453 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-06-14 03:49:53,453 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:49:53,453 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 [2021-06-14 03:49:54,541 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 265 [2021-06-14 03:49:54,723 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-06-14 03:49:54,898 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-06-14 03:49:55,103 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 298 [2021-06-14 03:49:55,486 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 419 [2021-06-14 03:49:55,692 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 367 [2021-06-14 03:49:55,945 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 330 [2021-06-14 03:49:56,165 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 298 [2021-06-14 03:49:56,638 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 261 [2021-06-14 03:49:57,448 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 358 [2021-06-14 03:49:57,686 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 329 [2021-06-14 03:49:57,806 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 245 [2021-06-14 03:49:59,010 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 356 [2021-06-14 03:49:59,463 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 494 [2021-06-14 03:49:59,666 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 304 [2021-06-14 03:50:00,540 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 232 [2021-06-14 03:50:00,672 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 239 [2021-06-14 03:50:01,206 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 245 [2021-06-14 03:50:01,668 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 207 [2021-06-14 03:50:01,835 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 219 [2021-06-14 03:50:02,112 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 342 [2021-06-14 03:50:02,898 WARN L205 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-06-14 03:50:03,689 WARN L205 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-06-14 03:50:04,566 WARN L205 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 1050 DAG size of output: 663 [2021-06-14 03:50:05,602 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 665 DAG size of output: 835 [2021-06-14 03:50:05,797 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 361 [2021-06-14 03:50:06,717 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 271 [2021-06-14 03:50:07,064 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 538 [2021-06-14 03:50:07,537 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 342 [2021-06-14 03:50:08,029 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-06-14 03:50:08,524 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-06-14 03:50:09,076 WARN L205 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 465 [2021-06-14 03:50:09,664 WARN L205 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 616 [2021-06-14 03:50:09,917 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 373 [2021-06-14 03:50:10,127 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 375 [2021-06-14 03:50:10,341 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 343 [2021-06-14 03:50:11,057 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 261 [2021-06-14 03:50:11,180 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 277 [2021-06-14 03:50:11,824 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 380 [2021-06-14 03:50:12,115 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 437 [2021-06-14 03:50:12,874 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 197 [2021-06-14 03:50:13,354 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 899 DAG size of output: 562 [2021-06-14 03:50:13,882 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 436 [2021-06-14 03:50:14,906 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 254 [2021-06-14 03:50:15,861 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 422 [2021-06-14 03:50:16,946 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 819 DAG size of output: 545 [2021-06-14 03:50:18,006 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-06-14 03:50:19,070 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-06-14 03:50:20,208 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 1554 DAG size of output: 954 [2021-06-14 03:50:20,372 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 611 [2021-06-14 03:50:20,719 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 447 [2021-06-14 03:50:21,465 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 294 [2021-06-14 03:50:21,656 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-06-14 03:50:21,831 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-06-14 03:50:22,005 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 634 DAG size of output: 338 [2021-06-14 03:50:22,185 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 321 [2021-06-14 03:50:22,615 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 03:50:22,617 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:50:22,617 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 03:50:22,617 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-06-14 03:50:22,626 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:50:22,626 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2096349898] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:50:22,626 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:50:22,626 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-06-14 03:50:22,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111216532] [2021-06-14 03:50:22,628 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-06-14 03:50:22,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:50:22,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-06-14 03:50:22,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=976, Unknown=0, NotChecked=0, Total=1056 [2021-06-14 03:50:22,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:50:22,629 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:50:22,631 INFO L483 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) [2021-06-14 03:50:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:50:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:50:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:50:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:50:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:50:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:50:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:50:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:50:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 03:50:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:50:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 03:50:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:50:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:50:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 03:50:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 03:50:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 03:50:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:50:23,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:50:23,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:50:23,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:50:23,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:50:23,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:50:23,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:50:23,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:50:23,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:50:23,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 03:50:23,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 03:50:23,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 03:50:23,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:50:23,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 03:50:23,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 03:50:23,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 03:50:23,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 03:50:23,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 03:50:23,502 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable906,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:50:23,503 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:50:23,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:50:23,503 INFO L82 PathProgramCache]: Analyzing trace with hash -1742419980, now seen corresponding path program 14 times [2021-06-14 03:50:23,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:50:23,503 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235511680] [2021-06-14 03:50:23,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:50:23,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:50:23,738 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:50:23,738 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:50:23,738 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235511680] [2021-06-14 03:50:23,738 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235511680] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:50:23,738 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781491877] [2021-06-14 03:50:23,738 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 [2021-06-14 03:50:23,777 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 03:50:23,777 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:50:23,778 WARN L261 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 52 conjunts are in the unsatisfiable core [2021-06-14 03:50:23,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:50:24,418 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-06-14 03:50:24,418 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:50:24,418 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 [2021-06-14 03:50:25,790 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 351 [2021-06-14 03:50:25,959 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 372 [2021-06-14 03:50:26,170 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 408 [2021-06-14 03:50:27,493 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 389 [2021-06-14 03:50:27,684 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 409 [2021-06-14 03:50:27,927 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 445 [2021-06-14 03:50:28,462 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 727 [2021-06-14 03:50:29,018 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 1110 DAG size of output: 728 [2021-06-14 03:50:29,686 WARN L205 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 753 [2021-06-14 03:50:30,457 WARN L205 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 1155 DAG size of output: 775 [2021-06-14 03:50:31,341 WARN L205 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-06-14 03:50:32,232 WARN L205 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-06-14 03:50:33,283 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 1192 DAG size of output: 813 [2021-06-14 03:50:35,638 WARN L205 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 815 DAG size of output: 982 [2021-06-14 03:50:37,366 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 786 DAG size of output: 884 [2021-06-14 03:50:38,413 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 765 DAG size of output: 798 [2021-06-14 03:50:40,002 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 754 DAG size of output: 1042 [2021-06-14 03:50:40,848 WARN L205 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 844 [2021-06-14 03:50:41,183 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 317 [2021-06-14 03:50:42,091 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 179 [2021-06-14 03:50:42,204 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 256 [2021-06-14 03:50:42,352 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-06-14 03:50:43,397 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 230 [2021-06-14 03:50:43,592 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 252 [2021-06-14 03:50:43,784 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 259 [2021-06-14 03:50:44,621 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 199 [2021-06-14 03:50:44,949 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 331 [2021-06-14 03:50:45,362 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 350 [2021-06-14 03:50:46,490 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 213 [2021-06-14 03:50:46,655 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 217 [2021-06-14 03:50:47,176 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 246 [2021-06-14 03:50:47,669 WARN L205 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 763 DAG size of output: 331 [2021-06-14 03:50:47,828 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 262 [2021-06-14 03:50:48,042 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 324 [2021-06-14 03:50:48,202 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 244 [2021-06-14 03:50:48,836 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 257 [2021-06-14 03:50:49,130 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 218 [2021-06-14 03:50:49,254 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 210 [2021-06-14 03:50:49,412 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 228 [2021-06-14 03:50:49,580 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 241 [2021-06-14 03:50:50,162 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 210 [2021-06-14 03:50:50,828 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 238 [2021-06-14 03:50:50,996 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 282 [2021-06-14 03:50:51,228 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 300 [2021-06-14 03:50:51,562 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 296 [2021-06-14 03:50:52,918 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 216 [2021-06-14 03:50:53,081 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 235 [2021-06-14 03:50:53,567 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 834 DAG size of output: 313 [2021-06-14 03:50:54,678 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 1222 DAG size of output: 455 [2021-06-14 03:50:56,217 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 1424 DAG size of output: 577 [2021-06-14 03:50:56,388 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 277 [2021-06-14 03:50:56,602 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 283 [2021-06-14 03:50:56,755 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 273 [2021-06-14 03:50:57,588 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 239 [2021-06-14 03:50:57,767 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 285 [2021-06-14 03:50:58,127 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 219 [2021-06-14 03:50:59,128 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 247 [2021-06-14 03:50:59,379 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 311 [2021-06-14 03:51:00,560 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 186 [2021-06-14 03:51:00,764 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 201 [2021-06-14 03:51:01,274 WARN L205 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 400 [2021-06-14 03:51:01,927 WARN L205 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 483 [2021-06-14 03:51:02,702 WARN L205 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 720 DAG size of output: 507 [2021-06-14 03:51:04,129 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 251 [2021-06-14 03:51:04,292 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 272 [2021-06-14 03:51:04,539 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 285 [2021-06-14 03:51:04,830 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 288 [2021-06-14 03:51:05,563 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 226 [2021-06-14 03:51:06,027 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 208 [2021-06-14 03:51:06,284 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 282 [2021-06-14 03:51:06,827 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 216 [2021-06-14 03:51:07,194 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 311 [2021-06-14 03:51:07,576 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 354 [2021-06-14 03:51:08,515 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 175 [2021-06-14 03:51:08,725 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 217 [2021-06-14 03:51:08,893 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 217 [2021-06-14 03:51:09,558 WARN L205 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 451 [2021-06-14 03:51:10,336 WARN L205 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 723 DAG size of output: 463 [2021-06-14 03:51:11,695 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1029 DAG size of output: 672 [2021-06-14 03:51:13,928 WARN L205 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 1517 DAG size of output: 968 [2021-06-14 03:51:14,911 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 286 [2021-06-14 03:51:15,090 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 287 [2021-06-14 03:51:15,741 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 312 [2021-06-14 03:51:16,457 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 325 [2021-06-14 03:51:16,846 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 328 [2021-06-14 03:51:16,993 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-06-14 03:51:17,803 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 212 [2021-06-14 03:51:17,985 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 288 [2021-06-14 03:51:18,867 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 171 [2021-06-14 03:51:19,077 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2021-06-14 03:51:19,511 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 373 [2021-06-14 03:51:20,580 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 452 [2021-06-14 03:51:21,185 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 211 [2021-06-14 03:51:21,657 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 235 [2021-06-14 03:51:21,924 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 297 [2021-06-14 03:51:22,487 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 227 [2021-06-14 03:51:22,943 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 393 [2021-06-14 03:51:23,407 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 397 [2021-06-14 03:51:24,220 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 222 [2021-06-14 03:51:24,577 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 264 [2021-06-14 03:51:25,445 WARN L205 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 541 [2021-06-14 03:51:26,513 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 680 DAG size of output: 566 [2021-06-14 03:51:28,105 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 1012 DAG size of output: 839 [2021-06-14 03:51:30,574 WARN L205 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 1410 DAG size of output: 1099 [2021-06-14 03:51:35,710 WARN L205 SmtUtils]: Spent 5.13 s on a formula simplification. DAG size of input: 2226 DAG size of output: 1704 [2021-06-14 03:51:42,612 WARN L205 SmtUtils]: Spent 6.88 s on a formula simplification. DAG size of input: 3213 DAG size of output: 1793 [2021-06-14 03:51:51,261 WARN L205 SmtUtils]: Spent 8.63 s on a formula simplification. DAG size of input: 3741 DAG size of output: 2301 [2021-06-14 03:52:01,321 WARN L205 SmtUtils]: Spent 10.04 s on a formula simplification. DAG size of input: 4093 DAG size of output: 2511 [2021-06-14 03:52:02,666 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 739 DAG size of output: 1024 [2021-06-14 03:52:03,570 WARN L205 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 826 [2021-06-14 03:52:03,819 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 281 [2021-06-14 03:52:04,135 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 294 [2021-06-14 03:52:04,241 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 253 [2021-06-14 03:52:05,422 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 243 [2021-06-14 03:52:05,923 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 284 [2021-06-14 03:52:06,587 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-06-14 03:52:06,716 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-06-14 03:52:07,214 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2021-06-14 03:52:07,668 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 243 [2021-06-14 03:52:07,927 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-06-14 03:52:08,181 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-06-14 03:52:08,648 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 428 [2021-06-14 03:52:09,449 WARN L205 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 566 [2021-06-14 03:52:10,187 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 156 [2021-06-14 03:52:10,389 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2021-06-14 03:52:11,297 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 239 [2021-06-14 03:52:11,551 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 291 [2021-06-14 03:52:12,020 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 392 [2021-06-14 03:52:13,382 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 859 DAG size of output: 794 [2021-06-14 03:52:14,991 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 1020 DAG size of output: 881 [2021-06-14 03:52:15,280 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 235 [2021-06-14 03:52:15,435 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 297 [2021-06-14 03:52:15,572 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 236 [2021-06-14 03:52:15,806 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 244 [2021-06-14 03:52:16,463 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 207 [2021-06-14 03:52:16,761 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 334 [2021-06-14 03:52:17,245 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 209 [2021-06-14 03:52:17,359 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 226 [2021-06-14 03:52:17,914 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 310 [2021-06-14 03:52:18,542 WARN L205 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 446 [2021-06-14 03:52:18,734 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 195 [2021-06-14 03:52:19,493 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 256 [2021-06-14 03:52:19,883 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 308 [2021-06-14 03:52:20,725 WARN L205 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 508 [2021-06-14 03:52:21,408 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 156 [2021-06-14 03:52:21,562 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 173 [2021-06-14 03:52:21,822 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 215 [2021-06-14 03:52:22,288 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 193 [2021-06-14 03:52:22,394 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 205 [2021-06-14 03:52:23,107 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 262 [2021-06-14 03:52:23,675 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 284 [2021-06-14 03:52:24,052 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 348 [2021-06-14 03:52:25,351 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 994 DAG size of output: 708 [2021-06-14 03:52:26,874 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1148 DAG size of output: 774 [2021-06-14 03:52:30,277 WARN L205 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 1747 DAG size of output: 1412 [2021-06-14 03:52:30,390 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 253 [2021-06-14 03:52:30,556 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 259 [2021-06-14 03:52:30,671 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 256 [2021-06-14 03:52:31,547 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 190 [2021-06-14 03:52:32,437 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 203 [2021-06-14 03:52:32,649 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 249 [2021-06-14 03:52:32,862 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 321 [2021-06-14 03:52:33,049 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 260 [2021-06-14 03:52:33,373 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 192 [2021-06-14 03:52:33,775 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 249 [2021-06-14 03:52:33,957 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 271 [2021-06-14 03:52:34,248 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 251 [2021-06-14 03:52:34,720 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 251 [2021-06-14 03:52:34,915 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 274 [2021-06-14 03:52:35,176 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 321 [2021-06-14 03:52:35,315 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 238 [2021-06-14 03:52:35,960 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 253 [2021-06-14 03:52:36,348 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 213 [2021-06-14 03:52:36,536 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 242 [2021-06-14 03:52:36,817 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 265 [2021-06-14 03:52:37,242 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 330 [2021-06-14 03:52:37,881 WARN L205 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 911 DAG size of output: 360 [2021-06-14 03:52:38,021 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 245 [2021-06-14 03:52:38,986 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 225 [2021-06-14 03:52:39,978 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 261 [2021-06-14 03:52:40,208 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-06-14 03:52:40,427 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-06-14 03:52:40,789 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 357 [2021-06-14 03:52:41,306 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 385 [2021-06-14 03:52:42,316 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 218 [2021-06-14 03:52:42,565 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 242 [2021-06-14 03:52:43,084 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 743 DAG size of output: 350 [2021-06-14 03:52:44,371 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1315 DAG size of output: 518 [2021-06-14 03:52:50,024 WARN L205 SmtUtils]: Spent 5.65 s on a formula simplification. DAG size of input: 2765 DAG size of output: 1722 [2021-06-14 03:52:56,193 WARN L205 SmtUtils]: Spent 6.16 s on a formula simplification. DAG size of input: 2888 DAG size of output: 1777 [2021-06-14 03:53:03,854 WARN L205 SmtUtils]: Spent 7.65 s on a formula simplification. DAG size of input: 3423 DAG size of output: 2286 [2021-06-14 03:53:12,967 WARN L205 SmtUtils]: Spent 9.10 s on a formula simplification. DAG size of input: 3768 DAG size of output: 2589 [2021-06-14 03:53:13,961 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 242 [2021-06-14 03:53:14,821 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 227 [2021-06-14 03:53:14,989 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 257 [2021-06-14 03:53:16,068 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2021-06-14 03:53:16,225 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 268 [2021-06-14 03:53:16,414 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 266 [2021-06-14 03:53:16,710 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 348 [2021-06-14 03:53:17,605 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 411 [2021-06-14 03:53:18,141 WARN L205 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 475 [2021-06-14 03:53:18,914 WARN L205 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 486 [2021-06-14 03:53:19,808 WARN L205 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 495 [2021-06-14 03:53:21,378 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 223 [2021-06-14 03:53:21,504 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 237 [2021-06-14 03:53:21,661 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 235 [2021-06-14 03:53:21,896 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 303 [2021-06-14 03:53:22,638 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 350 [2021-06-14 03:53:23,424 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 194 [2021-06-14 03:53:23,828 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 386 [2021-06-14 03:53:24,407 WARN L205 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 399 [2021-06-14 03:53:26,039 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 1065 DAG size of output: 745 [2021-06-14 03:53:27,789 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 1077 DAG size of output: 744 [2021-06-14 03:53:29,789 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 1098 DAG size of output: 750 [2021-06-14 03:53:42,492 WARN L205 SmtUtils]: Spent 12.69 s on a formula simplification. DAG size of input: 4707 DAG size of output: 3202 [2021-06-14 03:54:06,855 WARN L205 SmtUtils]: Spent 24.34 s on a formula simplification. DAG size of input: 6894 DAG size of output: 4324 [2021-06-14 03:54:34,266 WARN L205 SmtUtils]: Spent 27.38 s on a formula simplification. DAG size of input: 7322 DAG size of output: 4477 [2021-06-14 03:54:35,402 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 317 [2021-06-14 03:54:35,570 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 343 [2021-06-14 03:54:36,966 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 378 [2021-06-14 03:54:37,190 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 404 [2021-06-14 03:54:37,630 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 627 [2021-06-14 03:54:38,148 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 654 [2021-06-14 03:55:09,331 WARN L205 SmtUtils]: Spent 31.17 s on a formula simplification. DAG size of input: 8002 DAG size of output: 4954 [2021-06-14 03:55:44,755 WARN L205 SmtUtils]: Spent 35.38 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-06-14 03:56:20,308 WARN L205 SmtUtils]: Spent 35.51 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-06-14 03:56:59,546 WARN L205 SmtUtils]: Spent 39.21 s on a formula simplification. DAG size of input: 8440 DAG size of output: 5295 [2021-06-14 03:57:58,587 WARN L205 SmtUtils]: Spent 59.00 s on a formula simplification. DAG size of input: 5297 DAG size of output: 7538 [2021-06-14 03:58:57,752 WARN L205 SmtUtils]: Spent 59.12 s on a formula simplification. DAG size of input: 4323 DAG size of output: 6374 [2021-06-14 03:59:59,181 WARN L205 SmtUtils]: Spent 1.02 m on a formula simplification. DAG size of input: 3823 DAG size of output: 4222 [2021-06-14 04:00:07,177 WARN L205 SmtUtils]: Spent 7.97 s on a formula simplification. DAG size of input: 1942 DAG size of output: 1778 [2021-06-14 04:00:21,455 WARN L205 SmtUtils]: Spent 14.27 s on a formula simplification. DAG size of input: 1680 DAG size of output: 1578 [2021-06-14 04:00:21,739 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 1450 [2021-06-14 04:00:30,710 WARN L205 SmtUtils]: Spent 8.96 s on a formula simplification. DAG size of input: 1347 DAG size of output: 1954 [2021-06-14 04:00:31,251 WARN L205 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 1150 DAG size of output: 1150 [2021-06-14 04:00:31,658 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 1034 DAG size of output: 1034 [2021-06-14 04:00:36,829 WARN L205 SmtUtils]: Spent 4.61 s on a formula simplification. DAG size of input: 981 DAG size of output: 1395 [2021-06-14 04:00:36,950 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 872 [2021-06-14 04:00:37,065 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 595 [2021-06-14 04:00:38,030 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 230 [2021-06-14 04:00:38,185 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 272 [2021-06-14 04:00:38,663 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 331 [2021-06-14 04:00:39,008 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 377 [2021-06-14 04:00:40,194 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 472 [2021-06-14 04:00:40,307 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 535 [2021-06-14 04:00:40,421 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 208 [2021-06-14 04:00:40,829 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 187 [2021-06-14 04:00:41,202 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 266 [2021-06-14 04:00:42,346 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 289 [2021-06-14 04:00:42,643 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 337 [2021-06-14 04:00:43,043 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 399 [2021-06-14 04:00:43,564 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 752 DAG size of output: 473 [2021-06-14 04:00:44,742 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 1245 DAG size of output: 754 [2021-06-14 04:00:44,978 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 778 [2021-06-14 04:00:45,087 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 509 [2021-06-14 04:00:46,301 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 244 [2021-06-14 04:00:46,477 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 279 [2021-06-14 04:00:47,032 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 355 [2021-06-14 04:00:47,434 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 624 DAG size of output: 427 [2021-06-14 04:00:47,556 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 556 [2021-06-14 04:00:49,308 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 216 [2021-06-14 04:00:49,780 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 294 [2021-06-14 04:00:50,077 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 361 [2021-06-14 04:00:50,484 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 710 DAG size of output: 434 [2021-06-14 04:00:51,433 WARN L205 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 1001 DAG size of output: 614 [2021-06-14 04:00:53,796 WARN L205 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 1979 DAG size of output: 1146 [2021-06-14 04:00:56,626 WARN L205 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 2136 DAG size of output: 1241 [2021-06-14 04:00:59,946 WARN L205 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 2252 DAG size of output: 1326 [2021-06-14 04:01:05,731 WARN L205 SmtUtils]: Spent 5.77 s on a formula simplification. DAG size of input: 3080 DAG size of output: 1978 [2021-06-14 04:01:06,139 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 294 [2021-06-14 04:01:06,358 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 228 [2021-06-14 04:01:07,043 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 217 [2021-06-14 04:01:07,762 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 227 [2021-06-14 04:01:08,021 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 301 [2021-06-14 04:01:08,403 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 370 [2021-06-14 04:01:14,833 WARN L205 SmtUtils]: Spent 6.42 s on a formula simplification. DAG size of input: 3478 DAG size of output: 2225 [2021-06-14 04:01:15,461 WARN L205 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 431 [2021-06-14 04:01:16,196 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 243 [2021-06-14 04:01:16,364 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 237 [2021-06-14 04:01:16,607 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 247 [2021-06-14 04:01:16,723 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 217 [2021-06-14 04:01:17,463 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 241 [2021-06-14 04:01:17,625 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 266 [2021-06-14 04:01:18,269 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 241 [2021-06-14 04:01:18,443 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 310 [2021-06-14 04:01:18,652 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 316 [2021-06-14 04:01:19,029 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 411 [2021-06-14 04:01:19,712 WARN L205 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 543 [2021-06-14 04:01:20,601 WARN L205 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 909 DAG size of output: 604 [2021-06-14 04:01:28,591 WARN L205 SmtUtils]: Spent 7.98 s on a formula simplification. DAG size of input: 4146 DAG size of output: 2641 [2021-06-14 04:01:37,879 WARN L205 SmtUtils]: Spent 9.27 s on a formula simplification. DAG size of input: 4264 DAG size of output: 2757 [2021-06-14 04:01:56,521 WARN L205 SmtUtils]: Spent 18.61 s on a formula simplification. DAG size of input: 6395 DAG size of output: 4339 [2021-06-14 04:02:23,773 WARN L205 SmtUtils]: Spent 27.21 s on a formula simplification. DAG size of input: 4239 DAG size of output: 3919 [2021-06-14 04:03:39,009 WARN L205 SmtUtils]: Spent 1.25 m on a formula simplification. DAG size of input: 3721 DAG size of output: 4036 [2021-06-14 04:03:57,854 WARN L205 SmtUtils]: Spent 18.83 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1732 [2021-06-14 04:03:58,295 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 306 [2021-06-14 04:03:58,530 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 236 [2021-06-14 04:03:58,636 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 212 Received shutdown request... [2021-06-14 04:03:59,677 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 278 [2021-06-14 04:03:59,938 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 322 [2021-06-14 04:04:00,153 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2426 [2021-06-14 04:04:00,153 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-14 04:04:00,160 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-14 04:04:00,162 WARN L196 ceAbstractionStarter]: Timeout [2021-06-14 04:04:00,162 INFO L202 PluginConnector]: Adding new model unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.06 04:04:00 BasicIcfg [2021-06-14 04:04:00,162 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-14 04:04:00,162 INFO L168 Benchmark]: Toolchain (without parser) took 869600.22 ms. Allocated memory was 199.2 MB in the beginning and 1.2 GB in the end (delta: 958.4 MB). Free memory was 179.6 MB in the beginning and 790.3 MB in the end (delta: -610.7 MB). Peak memory consumption was 728.2 MB. Max. memory is 8.0 GB. [2021-06-14 04:04:00,162 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 199.2 MB. Free memory is still 180.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-14 04:04:00,162 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.83 ms. Allocated memory is still 199.2 MB. Free memory was 179.6 MB in the beginning and 178.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-06-14 04:04:00,162 INFO L168 Benchmark]: Boogie Preprocessor took 16.64 ms. Allocated memory is still 199.2 MB. Free memory was 178.2 MB in the beginning and 177.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-14 04:04:00,163 INFO L168 Benchmark]: RCFGBuilder took 287.89 ms. Allocated memory is still 199.2 MB. Free memory was 177.1 MB in the beginning and 159.9 MB in the end (delta: 17.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2021-06-14 04:04:00,163 INFO L168 Benchmark]: TraceAbstraction took 869267.07 ms. Allocated memory was 199.2 MB in the beginning and 1.2 GB in the end (delta: 958.4 MB). Free memory was 159.5 MB in the beginning and 790.3 MB in the end (delta: -630.8 MB). Peak memory consumption was 708.3 MB. Max. memory is 8.0 GB. [2021-06-14 04:04:00,163 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 0.12 ms. Allocated memory is still 199.2 MB. Free memory is still 180.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 23.83 ms. Allocated memory is still 199.2 MB. Free memory was 179.6 MB in the beginning and 178.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 16.64 ms. Allocated memory is still 199.2 MB. Free memory was 178.2 MB in the beginning and 177.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 287.89 ms. Allocated memory is still 199.2 MB. Free memory was 177.1 MB in the beginning and 159.9 MB in the end (delta: 17.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 869267.07 ms. Allocated memory was 199.2 MB in the beginning and 1.2 GB in the end (delta: 958.4 MB). Free memory was 159.5 MB in the beginning and 790.3 MB in the end (delta: -630.8 MB). Peak memory consumption was 708.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1662, positive: 983, positive conditional: 983, positive unconditional: 0, negative: 679, negative conditional: 679, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 983, positive: 983, positive conditional: 983, 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: 983, positive: 983, positive conditional: 0, positive unconditional: 983, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.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] , SemanticIndependenceRelation.Query Time [ms]: [ 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] ], Cache Queries: [ total: 983, positive: 974, positive conditional: 0, positive unconditional: 974, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , Statistics on independence cache: Total cache size (in pairs): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 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: 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] , SemanticIndependenceRelation.Query Time [ms]: [ 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] , 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): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, 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: 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] , SemanticIndependenceRelation.Query Time [ms]: [ 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] , 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): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, 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: 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] , SemanticIndependenceRelation.Query Time [ms]: [ 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] , 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): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, 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: 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] , SemanticIndependenceRelation.Query Time [ms]: [ 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] , 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): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, 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: 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] , SemanticIndependenceRelation.Query Time [ms]: [ 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] , 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): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, 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: 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] , SemanticIndependenceRelation.Query Time [ms]: [ 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] , 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): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, 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: 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] , SemanticIndependenceRelation.Query Time [ms]: [ 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] , 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): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, 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: 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] , SemanticIndependenceRelation.Query Time [ms]: [ 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] , 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): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, 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: 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] , SemanticIndependenceRelation.Query Time [ms]: [ 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] , 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): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, 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: 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] , SemanticIndependenceRelation.Query Time [ms]: [ 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] , 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): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, 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: 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] , SemanticIndependenceRelation.Query Time [ms]: [ 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] , 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): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, 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: 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] , SemanticIndependenceRelation.Query Time [ms]: [ 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] , 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): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, 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: 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] , SemanticIndependenceRelation.Query Time [ms]: [ 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] , 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): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, 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: 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] , SemanticIndependenceRelation.Query Time [ms]: [ 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] , 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): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, 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: 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] , SemanticIndependenceRelation.Query Time [ms]: [ 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] , 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): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, 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: 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] , SemanticIndependenceRelation.Query Time [ms]: [ 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] , 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): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, 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: 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] , SemanticIndependenceRelation.Query Time [ms]: [ 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] , 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): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 679 - TimeoutResultAtElement [Line: 61]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 25 with TraceHistMax 11,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 22 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 869201.7ms, OverallIterations: 18, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.6ms, PartialOrderReductionTime: 4067.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 249, 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: 71.5ms SsaConstructionTime, 323.4ms SatisfiabilityAnalysisTime, 44071.3ms InterpolantComputationTime, 554 NumberOfCodeBlocks, 554 NumberOfCodeBlocksAsserted, 60 NumberOfCheckSat, 521 ConstructedInterpolants, 0 QuantifiedInterpolants, 5614 SizeOfPredicates, 31 NumberOfNonLiveVariables, 1056 ConjunctsInSsa, 405 ConjunctsInUnsatCore, 33 InterpolantComputations, 1 PerfectInterpolantSequences, 113/768 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