/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-None-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-09 19:54:36,679 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-09 19:54:36,681 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-09 19:54:36,713 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-09 19:54:36,777 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-None-NoLbe.epf [2021-07-09 19:54:36,805 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-09 19:54:36,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-09 19:54:36,806 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-09 19:54:36,806 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-09 19:54:36,808 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-09 19:54:36,808 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-09 19:54:36,808 INFO L138 SettingsManager]: * Use SBE=true [2021-07-09 19:54:36,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-09 19:54:36,808 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-09 19:54:36,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-09 19:54:36,809 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-09 19:54:36,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-09 19:54:36,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-09 19:54:36,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-09 19:54:36,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-09 19:54:36,809 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-09 19:54:36,809 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-09 19:54:36,809 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-09 19:54:36,810 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-09 19:54:36,810 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-09 19:54:36,810 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-09 19:54:36,810 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-09 19:54:36,810 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-09 19:54:36,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-09 19:54:36,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-09 19:54:36,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-09 19:54:36,810 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-09 19:54:36,811 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-09 19:54:36,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-09 19:54:36,811 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-09 19:54:36,811 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-09 19:54:36,811 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-09 19:54:36,811 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-09 19:54:37,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-09 19:54:37,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-09 19:54:37,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-09 19:54:37,088 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-09 19:54:37,089 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-09 19:54:37,089 INFO L432 ainManager$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 [2021-07-09 19:54:37,089 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-3.wvr.bpl' [2021-07-09 19:54:37,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-09 19:54:37,107 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-09 19:54:37,107 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-09 19:54:37,108 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-09 19:54:37,108 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-09 19:54:37,116 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 09.07 07:54:37" (1/1) ... [2021-07-09 19:54:37,121 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 09.07 07:54:37" (1/1) ... [2021-07-09 19:54:37,126 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-09 19:54:37,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-09 19:54:37,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-09 19:54:37,127 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-09 19:54:37,132 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 09.07 07:54:37" (1/1) ... [2021-07-09 19:54:37,132 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 09.07 07:54:37" (1/1) ... [2021-07-09 19:54:37,133 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 09.07 07:54:37" (1/1) ... [2021-07-09 19:54:37,133 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 09.07 07:54:37" (1/1) ... [2021-07-09 19:54:37,135 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 09.07 07:54:37" (1/1) ... [2021-07-09 19:54:37,136 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 09.07 07:54:37" (1/1) ... [2021-07-09 19:54:37,137 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 09.07 07:54:37" (1/1) ... [2021-07-09 19:54:37,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-09 19:54:37,138 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-09 19:54:37,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-09 19:54:37,138 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-09 19:54:37,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 07:54:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-09 19:54:37,205 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-09 19:54:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-09 19:54:37,205 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-09 19:54:37,205 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-09 19:54:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-09 19:54:37,205 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-09 19:54:37,205 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-09 19:54:37,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-09 19:54:37,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-09 19:54:37,207 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-09 19:54:37,512 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-09 19:54:37,512 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-09 19:54:37,512 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-09 19:54:37,514 INFO L202 PluginConnector]: Adding new model unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 07:54:37 BoogieIcfgContainer [2021-07-09 19:54:37,514 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-09 19:54:37,515 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-09 19:54:37,515 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-09 19:54:37,517 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-09 19:54:37,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 07:54:37" (1/2) ... [2021-07-09 19:54:37,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b9e1929 and model type unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.07 07:54:37, skipping insertion in model container [2021-07-09 19:54:37,518 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 09.07 07:54:37" (2/2) ... [2021-07-09 19:54:37,519 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-3.wvr.bpl [2021-07-09 19:54:37,523 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-09 19:54:37,523 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-09 19:54:37,523 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-09 19:54:37,524 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-09 19:54:37,545 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-09 19:54:37,565 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 [2021-07-09 19:54:37,617 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-09 19:54:37,617 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-09 19:54:37,617 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-09 19:54:37,618 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-09 19:54:37,618 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-09 19:54:37,618 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-09 19:54:37,618 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-09 19:54:37,618 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-09 19:54:37,625 INFO L110 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 21 places, 16 transitions, 48 flow [2021-07-09 19:54:37,633 INFO L132 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 16 states, 15 states have (on average 1.8) internal successors, (27), 15 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:54:37,643 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:54:37,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:54:37,647 INFO L82 PathProgramCache]: Analyzing trace with hash -361797269, now seen corresponding path program 1 times [2021-07-09 19:54:37,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:54:37,653 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293427052] [2021-07-09 19:54:37,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:54:37,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:54:37,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:37,812 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:54:37,812 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293427052] [2021-07-09 19:54:37,812 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293427052] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 19:54:37,812 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 19:54:37,812 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-09 19:54:37,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679342145] [2021-07-09 19:54:37,817 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-09 19:54:37,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:54:37,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-09 19:54:37,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-09 19:54:37,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:37,828 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:54:37,828 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) [2021-07-09 19:54:37,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:37,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:37,867 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-09 19:54:37,867 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:54:37,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:54:37,873 INFO L82 PathProgramCache]: Analyzing trace with hash -1023011105, now seen corresponding path program 1 times [2021-07-09 19:54:37,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:54:37,873 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663038292] [2021-07-09 19:54:37,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:54:37,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:54:37,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:37,955 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:54:37,955 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663038292] [2021-07-09 19:54:37,955 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663038292] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:37,955 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1602741576] [2021-07-09 19:54:37,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:54:37,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:54:37,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-09 19:54:37,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:54:38,083 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 [2021-07-09 19:54:38,085 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:54:38,086 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:54:38,087 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:54:38,087 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2021-07-09 19:54:38,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:38,095 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1602741576] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:38,095 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:54:38,095 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-07-09 19:54:38,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429155844] [2021-07-09 19:54:38,097 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-09 19:54:38,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:54:38,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-09 19:54:38,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-07-09 19:54:38,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:38,098 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:54:38,098 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 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) [2021-07-09 19:54:38,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:38,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:38,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:38,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:38,367 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:54:38,368 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:54:38,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:54:38,368 INFO L82 PathProgramCache]: Analyzing trace with hash -45803541, now seen corresponding path program 2 times [2021-07-09 19:54:38,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:54:38,369 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826244221] [2021-07-09 19:54:38,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:54:38,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:54:38,448 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:38,449 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:54:38,449 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826244221] [2021-07-09 19:54:38,449 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826244221] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:38,449 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [551884836] [2021-07-09 19:54:38,449 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 [2021-07-09 19:54:38,502 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 19:54:38,502 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:54:38,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-09 19:54:38,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:54:38,648 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:54:38,649 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 [2021-07-09 19:54:38,653 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:54:38,655 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:54:38,656 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:54:38,657 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-07-09 19:54:38,678 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:38,679 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [551884836] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:38,679 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:54:38,679 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-07-09 19:54:38,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648902858] [2021-07-09 19:54:38,679 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-09 19:54:38,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:54:38,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-09 19:54:38,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-07-09 19:54:38,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:38,680 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:54:38,680 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:54:38,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:38,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:38,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:38,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:38,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:38,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:38,969 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:54:38,970 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:54:38,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:54:38,972 INFO L82 PathProgramCache]: Analyzing trace with hash 182859871, now seen corresponding path program 3 times [2021-07-09 19:54:38,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:54:38,973 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112057516] [2021-07-09 19:54:38,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:54:38,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:54:39,002 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:39,002 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:54:39,002 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112057516] [2021-07-09 19:54:39,003 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112057516] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:39,003 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1765254964] [2021-07-09 19:54:39,003 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:54:39,024 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-09 19:54:39,025 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:54:39,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-09 19:54:39,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:54:39,061 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:39,062 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1765254964] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:39,062 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:54:39,062 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-07-09 19:54:39,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996686165] [2021-07-09 19:54:39,062 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-09 19:54:39,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:54:39,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-09 19:54:39,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-09 19:54:39,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:39,063 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:54:39,063 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) [2021-07-09 19:54:39,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:39,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:39,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:39,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:39,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:39,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:39,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:39,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:54:39,313 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:54:39,314 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:54:39,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:54:39,314 INFO L82 PathProgramCache]: Analyzing trace with hash -2095658548, now seen corresponding path program 1 times [2021-07-09 19:54:39,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:54:39,314 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997870743] [2021-07-09 19:54:39,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:54:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:54:39,378 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:39,378 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:54:39,378 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997870743] [2021-07-09 19:54:39,378 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997870743] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:39,378 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2115594271] [2021-07-09 19:54:39,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:54:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:54:39,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 23 conjunts are in the unsatisfiable core [2021-07-09 19:54:39,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:54:39,591 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:54:39,591 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 [2021-07-09 19:54:39,602 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:54:39,604 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:54:39,604 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:54:39,604 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-07-09 19:54:39,610 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:39,610 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2115594271] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:39,611 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:54:39,611 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-07-09 19:54:39,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130171467] [2021-07-09 19:54:39,612 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-09 19:54:39,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:54:39,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-09 19:54:39,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-07-09 19:54:39,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:39,613 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:54:39,614 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 14 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:54:39,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:39,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:39,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:39,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:54:39,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:39,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:39,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:39,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:39,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:54:39,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:39,964 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:54:39,965 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:54:39,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:54:39,965 INFO L82 PathProgramCache]: Analyzing trace with hash -1393451712, now seen corresponding path program 2 times [2021-07-09 19:54:39,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:54:39,965 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849234810] [2021-07-09 19:54:39,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:54:39,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:54:40,058 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:40,058 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:54:40,058 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849234810] [2021-07-09 19:54:40,058 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849234810] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:40,058 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1268938966] [2021-07-09 19:54:40,058 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 [2021-07-09 19:54:40,090 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 19:54:40,090 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:54:40,091 WARN L261 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 32 conjunts are in the unsatisfiable core [2021-07-09 19:54:40,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:54:40,283 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:54:40,284 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 [2021-07-09 19:54:40,362 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:54:40,363 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:54:40,364 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:54:40,364 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-07-09 19:54:40,369 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:40,370 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1268938966] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:40,370 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:54:40,370 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-07-09 19:54:40,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190773038] [2021-07-09 19:54:40,370 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-09 19:54:40,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:54:40,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-09 19:54:40,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2021-07-09 19:54:40,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:40,373 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:54:40,373 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 16 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) [2021-07-09 19:54:40,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:40,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:40,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:40,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:54:40,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:40,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:40,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:40,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:40,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:40,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:54:40,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:40,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:40,712 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:54:40,713 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:54:40,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:54:40,713 INFO L82 PathProgramCache]: Analyzing trace with hash -1099876276, now seen corresponding path program 3 times [2021-07-09 19:54:40,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:54:40,713 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954918586] [2021-07-09 19:54:40,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:54:40,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:54:40,786 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:40,787 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:54:40,787 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954918586] [2021-07-09 19:54:40,787 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954918586] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:40,787 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [408441140] [2021-07-09 19:54:40,787 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 [2021-07-09 19:54:40,813 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-09 19:54:40,813 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:54:40,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-09 19:54:40,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:54:40,999 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:54:40,999 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 [2021-07-09 19:54:41,122 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:54:41,123 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:54:41,124 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:54:41,124 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-07-09 19:54:41,129 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:41,129 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [408441140] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:41,129 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:54:41,129 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-07-09 19:54:41,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259403097] [2021-07-09 19:54:41,129 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-09 19:54:41,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:54:41,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-09 19:54:41,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2021-07-09 19:54:41,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:41,130 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:54:41,130 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.588235294117647) internal successors, (27), 16 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:54:41,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:41,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:41,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:41,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:54:41,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:41,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:41,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:41,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:41,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:41,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:41,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:54:41,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:41,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:41,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:54:41,484 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-07-09 19:54:41,485 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:54:41,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:54:41,485 INFO L82 PathProgramCache]: Analyzing trace with hash -588972352, now seen corresponding path program 4 times [2021-07-09 19:54:41,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:54:41,486 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401068145] [2021-07-09 19:54:41,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:54:41,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:54:41,554 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:41,555 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:54:41,555 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401068145] [2021-07-09 19:54:41,555 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401068145] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:41,555 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [20402073] [2021-07-09 19:54:41,555 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 [2021-07-09 19:54:41,579 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 19:54:41,579 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:54:41,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-09 19:54:41,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:54:41,628 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:41,628 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [20402073] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:41,629 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:54:41,629 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-07-09 19:54:41,629 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680702135] [2021-07-09 19:54:41,629 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-09 19:54:41,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:54:41,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-09 19:54:41,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-07-09 19:54:41,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:41,630 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:54:41,630 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) [2021-07-09 19:54:41,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:41,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:41,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:41,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:54:41,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:41,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:41,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:54:41,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:41,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:41,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:41,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:41,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:54:41,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:41,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:41,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:54:41,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:54:41,918 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-07-09 19:54:41,918 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:54:41,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:54:41,919 INFO L82 PathProgramCache]: Analyzing trace with hash -252653685, now seen corresponding path program 5 times [2021-07-09 19:54:41,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:54:41,919 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702840595] [2021-07-09 19:54:41,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:54:41,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:54:42,021 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:42,021 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:54:42,021 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702840595] [2021-07-09 19:54:42,021 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702840595] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:42,021 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2071522964] [2021-07-09 19:54:42,021 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 [2021-07-09 19:54:42,071 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-09 19:54:42,072 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:54:42,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 35 conjunts are in the unsatisfiable core [2021-07-09 19:54:42,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:54:42,354 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:54:42,355 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 [2021-07-09 19:54:42,624 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:54:42,626 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:54:42,626 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:54:42,626 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-07-09 19:54:42,631 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:42,631 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2071522964] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:42,631 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:54:42,632 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2021-07-09 19:54:42,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678616770] [2021-07-09 19:54:42,632 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-09 19:54:42,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:54:42,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-09 19:54:42,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2021-07-09 19:54:42,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:42,633 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:54:42,633 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 22 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:54:42,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:42,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:42,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:42,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:54:42,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:42,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:42,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:54:42,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:54:42,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:42,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:42,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:42,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:42,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:54:42,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:42,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:42,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:54:42,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:54:42,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:54:43,076 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-07-09 19:54:43,077 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:54:43,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:54:43,077 INFO L82 PathProgramCache]: Analyzing trace with hash 1099745535, now seen corresponding path program 6 times [2021-07-09 19:54:43,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:54:43,077 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890857016] [2021-07-09 19:54:43,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:54:43,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:54:43,204 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:43,204 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:54:43,205 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890857016] [2021-07-09 19:54:43,205 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890857016] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:43,205 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679727509] [2021-07-09 19:54:43,205 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 [2021-07-09 19:54:43,267 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-09 19:54:43,267 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:54:43,268 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-09 19:54:43,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:54:43,608 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:54:43,608 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 [2021-07-09 19:54:44,127 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:54:44,129 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:54:44,129 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:54:44,129 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:3 [2021-07-09 19:54:44,134 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:44,134 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679727509] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:44,134 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:54:44,134 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-07-09 19:54:44,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306419311] [2021-07-09 19:54:44,135 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-09 19:54:44,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:54:44,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-09 19:54:44,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=540, Unknown=0, NotChecked=0, Total=600 [2021-07-09 19:54:44,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:44,136 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:54:44,136 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.32) internal successors, (33), 24 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:54:44,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:44,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:44,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:44,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:54:44,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:44,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:44,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:54:44,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:54:44,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:54:44,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:44,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:44,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:44,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:44,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:54:44,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:44,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:44,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:54:44,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:54:44,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:54:44,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:54:44,603 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:54:44,604 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:54:44,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:54:44,604 INFO L82 PathProgramCache]: Analyzing trace with hash 74448395, now seen corresponding path program 7 times [2021-07-09 19:54:44,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:54:44,605 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977007759] [2021-07-09 19:54:44,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:54:44,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:54:44,735 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:44,736 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:54:44,736 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977007759] [2021-07-09 19:54:44,736 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977007759] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:44,736 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1611964969] [2021-07-09 19:54:44,736 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 [2021-07-09 19:54:44,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:54:44,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 40 conjunts are in the unsatisfiable core [2021-07-09 19:54:44,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:54:45,176 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:54:45,176 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 [2021-07-09 19:54:46,939 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:54:46,940 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:54:46,941 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:54:46,941 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-07-09 19:54:46,947 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:46,947 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1611964969] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:46,947 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:54:46,947 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-07-09 19:54:46,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956229347] [2021-07-09 19:54:46,948 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-09 19:54:46,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:54:46,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-09 19:54:46,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2021-07-09 19:54:46,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:46,949 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:54:46,949 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.4) internal successors, (35), 24 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:54:46,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:46,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:46,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:46,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:54:46,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:46,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:46,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:54:46,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:54:46,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:54:46,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:54:46,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:47,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:47,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:47,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:47,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:54:47,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:47,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:47,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:54:47,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:54:47,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:54:47,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:54:47,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 19:54:47,437 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable198 [2021-07-09 19:54:47,437 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:54:47,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:54:47,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1644991873, now seen corresponding path program 8 times [2021-07-09 19:54:47,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:54:47,438 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414393420] [2021-07-09 19:54:47,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:54:47,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:54:47,521 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:47,521 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:54:47,521 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414393420] [2021-07-09 19:54:47,521 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414393420] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:47,521 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [763004574] [2021-07-09 19:54:47,521 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 [2021-07-09 19:54:47,550 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 19:54:47,550 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:54:47,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-09 19:54:47,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:54:47,593 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:47,593 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [763004574] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:47,594 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:54:47,594 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-07-09 19:54:47,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892748400] [2021-07-09 19:54:47,594 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-09 19:54:47,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:54:47,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-09 19:54:47,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-07-09 19:54:47,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:47,594 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:54:47,595 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) [2021-07-09 19:54:47,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:47,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:47,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:47,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:54:47,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:47,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:47,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:54:47,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:54:47,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:54:47,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:54:47,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 19:54:47,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:47,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:47,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:47,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:47,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:54:47,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:47,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:47,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:54:47,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:54:47,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:54:47,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:54:47,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 19:54:47,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:54:47,929 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable441 [2021-07-09 19:54:47,929 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:54:47,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:54:47,930 INFO L82 PathProgramCache]: Analyzing trace with hash 1370479532, now seen corresponding path program 9 times [2021-07-09 19:54:47,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:54:47,930 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352597615] [2021-07-09 19:54:47,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:54:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:54:48,097 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:48,098 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:54:48,098 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352597615] [2021-07-09 19:54:48,098 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352597615] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:48,098 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [415599850] [2021-07-09 19:54:48,098 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 [2021-07-09 19:54:48,130 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-09 19:54:48,130 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:54:48,131 WARN L261 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 47 conjunts are in the unsatisfiable core [2021-07-09 19:54:48,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:54:48,638 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-07-09 19:54:48,638 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:54:48,639 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 [2021-07-09 19:54:49,639 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 269 [2021-07-09 19:54:50,384 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 192 [2021-07-09 19:54:50,490 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 214 [2021-07-09 19:54:50,646 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 247 [2021-07-09 19:54:50,948 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-07-09 19:54:51,278 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-07-09 19:54:51,611 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 387 [2021-07-09 19:54:52,017 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 257 [2021-07-09 19:54:52,691 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-07-09 19:54:52,820 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-07-09 19:54:53,010 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 282 [2021-07-09 19:54:53,999 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:54:54,000 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:54:54,000 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:54:54,000 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-07-09 19:54:54,005 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:54,005 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [415599850] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:54,005 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:54:54,005 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-07-09 19:54:54,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562426020] [2021-07-09 19:54:54,006 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-09 19:54:54,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:54:54,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-09 19:54:54,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=854, Unknown=0, NotChecked=0, Total=930 [2021-07-09 19:54:54,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:54,006 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:54:54,007 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 30 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:54:54,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:54,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:54,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:54,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:54:54,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:54,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:54,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:54:54,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:54:54,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:54:54,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:54:54,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 19:54:54,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:54:54,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:54:54,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:54:54,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:54:54,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:54:54,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:54:54,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:54,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:54:54,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:54:54,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:54:54,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:54:54,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:54:54,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 19:54:54,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:54:54,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-09 19:54:54,737 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable442 [2021-07-09 19:54:54,737 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:54:54,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:54:54,737 INFO L82 PathProgramCache]: Analyzing trace with hash -1744176352, now seen corresponding path program 10 times [2021-07-09 19:54:54,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:54:54,737 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137980788] [2021-07-09 19:54:54,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:54:54,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:54:54,976 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:54:54,977 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:54:54,977 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137980788] [2021-07-09 19:54:54,977 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137980788] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:54:54,977 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [167625606] [2021-07-09 19:54:54,977 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 [2021-07-09 19:54:55,011 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 19:54:55,011 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:54:55,012 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 64 conjunts are in the unsatisfiable core [2021-07-09 19:54:55,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:54:55,601 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-07-09 19:54:55,601 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:54:55,602 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 [2021-07-09 19:54:56,603 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 265 [2021-07-09 19:54:56,779 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-07-09 19:54:56,959 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-07-09 19:54:57,159 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 298 [2021-07-09 19:54:57,543 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 419 [2021-07-09 19:54:57,756 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 367 [2021-07-09 19:54:58,006 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 330 [2021-07-09 19:54:58,204 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 298 [2021-07-09 19:54:58,667 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 261 [2021-07-09 19:54:59,429 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 358 [2021-07-09 19:54:59,672 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 329 [2021-07-09 19:54:59,792 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 245 [2021-07-09 19:55:00,949 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 356 [2021-07-09 19:55:01,417 WARN L205 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 494 [2021-07-09 19:55:01,618 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 304 [2021-07-09 19:55:02,498 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 232 [2021-07-09 19:55:02,624 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 239 [2021-07-09 19:55:03,140 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 245 [2021-07-09 19:55:03,613 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 219 [2021-07-09 19:55:03,893 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 342 [2021-07-09 19:55:04,680 WARN L205 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-07-09 19:55:05,476 WARN L205 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-07-09 19:55:06,362 WARN L205 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 1050 DAG size of output: 663 [2021-07-09 19:55:07,398 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 665 DAG size of output: 835 [2021-07-09 19:55:07,577 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 361 [2021-07-09 19:55:08,415 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 271 [2021-07-09 19:55:08,762 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 538 [2021-07-09 19:55:09,205 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 342 [2021-07-09 19:55:09,695 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-07-09 19:55:10,187 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-07-09 19:55:10,736 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 465 [2021-07-09 19:55:11,313 WARN L205 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 616 [2021-07-09 19:55:11,582 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 373 [2021-07-09 19:55:11,784 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 375 [2021-07-09 19:55:11,997 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 343 [2021-07-09 19:55:12,616 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 261 [2021-07-09 19:55:12,739 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 277 [2021-07-09 19:55:13,367 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 380 [2021-07-09 19:55:13,659 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 437 [2021-07-09 19:55:14,470 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 197 [2021-07-09 19:55:14,954 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 899 DAG size of output: 562 [2021-07-09 19:55:15,476 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 436 [2021-07-09 19:55:16,517 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 254 [2021-07-09 19:55:17,383 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 422 [2021-07-09 19:55:18,476 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 819 DAG size of output: 545 [2021-07-09 19:55:19,538 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-07-09 19:55:20,604 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-07-09 19:55:21,743 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 1554 DAG size of output: 954 [2021-07-09 19:55:21,915 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 611 [2021-07-09 19:55:22,261 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 447 [2021-07-09 19:55:22,955 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 294 [2021-07-09 19:55:23,135 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-07-09 19:55:23,303 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-07-09 19:55:23,483 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 634 DAG size of output: 338 [2021-07-09 19:55:23,660 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 321 [2021-07-09 19:55:24,003 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 19:55:24,004 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:55:24,005 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 19:55:24,005 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-07-09 19:55:24,009 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:55:24,010 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [167625606] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:55:24,010 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:55:24,010 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-07-09 19:55:24,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900752064] [2021-07-09 19:55:24,010 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-09 19:55:24,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:55:24,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-09 19:55:24,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=976, Unknown=0, NotChecked=0, Total=1056 [2021-07-09 19:55:24,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:55:24,011 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:55:24,011 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 32 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:55:24,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:55:24,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:55:24,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:55:24,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:55:24,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:55:24,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:55:24,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:55:24,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:55:24,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:55:24,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:55:24,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 19:55:24,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:55:24,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-09 19:55:24,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:55:24,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 19:55:24,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:55:24,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:55:24,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:55:24,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:55:24,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 19:55:24,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:55:24,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 19:55:24,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 19:55:24,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:55:24,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 19:55:24,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 19:55:24,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-09 19:55:24,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 19:55:24,722 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable903,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 19:55:24,722 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:55:24,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:55:24,722 INFO L82 PathProgramCache]: Analyzing trace with hash 485739052, now seen corresponding path program 11 times [2021-07-09 19:55:24,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:55:24,723 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234398976] [2021-07-09 19:55:24,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:55:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:55:24,910 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:55:24,911 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:55:24,911 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234398976] [2021-07-09 19:55:24,911 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234398976] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:55:24,911 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [714307217] [2021-07-09 19:55:24,911 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 [2021-07-09 19:55:24,976 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-09 19:55:24,977 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 19:55:24,977 WARN L261 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 52 conjunts are in the unsatisfiable core [2021-07-09 19:55:24,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:55:25,628 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-07-09 19:55:25,628 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 19:55:25,629 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 [2021-07-09 19:55:26,869 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 351 [2021-07-09 19:55:27,033 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 372 [2021-07-09 19:55:27,245 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 408 [2021-07-09 19:55:28,555 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 389 [2021-07-09 19:55:28,747 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 409 [2021-07-09 19:55:28,990 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 445 [2021-07-09 19:55:29,532 WARN L205 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 727 [2021-07-09 19:55:30,088 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 1110 DAG size of output: 728 [2021-07-09 19:55:30,755 WARN L205 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 753 [2021-07-09 19:55:31,538 WARN L205 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 1155 DAG size of output: 775 [2021-07-09 19:55:32,425 WARN L205 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-07-09 19:55:33,306 WARN L205 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-07-09 19:55:34,357 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 1192 DAG size of output: 813 [2021-07-09 19:55:36,678 WARN L205 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 815 DAG size of output: 982 [2021-07-09 19:55:38,389 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 786 DAG size of output: 884 [2021-07-09 19:55:39,449 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 765 DAG size of output: 798 [2021-07-09 19:55:41,043 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 754 DAG size of output: 1042 [2021-07-09 19:55:41,889 WARN L205 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 844 [2021-07-09 19:55:42,220 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 317 [2021-07-09 19:55:43,141 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 179 [2021-07-09 19:55:43,253 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 256 [2021-07-09 19:55:43,400 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-07-09 19:55:44,482 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 230 [2021-07-09 19:55:44,674 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 252 [2021-07-09 19:55:44,876 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 259 [2021-07-09 19:55:45,740 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 199 [2021-07-09 19:55:46,070 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 331 [2021-07-09 19:55:46,486 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 350 [2021-07-09 19:55:47,652 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 213 [2021-07-09 19:55:47,818 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 217 [2021-07-09 19:55:48,350 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 246 [2021-07-09 19:55:48,838 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 763 DAG size of output: 331 [2021-07-09 19:55:49,009 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 262 [2021-07-09 19:55:49,223 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 324 [2021-07-09 19:55:49,389 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 244 [2021-07-09 19:55:50,032 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 257 [2021-07-09 19:55:50,319 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 218 [2021-07-09 19:55:50,450 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 210 [2021-07-09 19:55:50,611 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 228 [2021-07-09 19:55:50,784 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 241 [2021-07-09 19:55:51,382 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 210 [2021-07-09 19:55:52,032 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 238 [2021-07-09 19:55:52,206 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 282 [2021-07-09 19:55:52,447 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 300 [2021-07-09 19:55:52,783 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 296 [2021-07-09 19:55:54,156 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 216 [2021-07-09 19:55:54,321 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 235 [2021-07-09 19:55:54,793 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 834 DAG size of output: 313 [2021-07-09 19:55:55,861 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1222 DAG size of output: 455 [2021-07-09 19:55:57,335 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1424 DAG size of output: 577 [2021-07-09 19:55:57,503 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 277 [2021-07-09 19:55:57,718 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 283 [2021-07-09 19:55:57,867 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 273 [2021-07-09 19:55:58,695 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 239 [2021-07-09 19:55:58,871 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 285 [2021-07-09 19:55:59,222 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 219 [2021-07-09 19:56:00,169 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 247 [2021-07-09 19:56:00,410 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 311 [2021-07-09 19:56:01,477 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 186 [2021-07-09 19:56:01,681 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 201 [2021-07-09 19:56:02,177 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 400 [2021-07-09 19:56:02,820 WARN L205 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 483 [2021-07-09 19:56:03,576 WARN L205 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 720 DAG size of output: 507 [2021-07-09 19:56:04,948 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 251 [2021-07-09 19:56:05,114 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 272 [2021-07-09 19:56:05,351 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 285 [2021-07-09 19:56:05,646 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 288 [2021-07-09 19:56:06,368 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 226 [2021-07-09 19:56:06,845 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 208 [2021-07-09 19:56:07,095 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 282 [2021-07-09 19:56:07,641 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 216 [2021-07-09 19:56:08,005 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 311 [2021-07-09 19:56:08,386 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 354 [2021-07-09 19:56:09,356 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 217 [2021-07-09 19:56:09,522 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 217 [2021-07-09 19:56:10,178 WARN L205 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 451 [2021-07-09 19:56:10,940 WARN L205 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 723 DAG size of output: 463 [2021-07-09 19:56:12,284 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 1029 DAG size of output: 672 [2021-07-09 19:56:14,480 WARN L205 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 1517 DAG size of output: 968 [2021-07-09 19:56:15,468 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 286 [2021-07-09 19:56:15,636 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 287 [2021-07-09 19:56:16,294 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 312 [2021-07-09 19:56:17,024 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 325 [2021-07-09 19:56:17,405 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 328 [2021-07-09 19:56:17,551 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-07-09 19:56:18,351 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 212 [2021-07-09 19:56:18,535 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 288 [2021-07-09 19:56:19,394 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 171 [2021-07-09 19:56:19,597 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2021-07-09 19:56:20,025 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 373 [2021-07-09 19:56:21,067 WARN L205 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 452 [2021-07-09 19:56:21,663 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 211 [2021-07-09 19:56:22,138 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 235 [2021-07-09 19:56:22,391 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 297 [2021-07-09 19:56:23,011 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 227 [2021-07-09 19:56:23,453 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 393 [2021-07-09 19:56:23,905 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 397 [2021-07-09 19:56:24,824 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 222 [2021-07-09 19:56:25,177 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 264 [2021-07-09 19:56:26,049 WARN L205 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 541 [2021-07-09 19:56:27,102 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 680 DAG size of output: 566 [2021-07-09 19:56:28,683 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 1012 DAG size of output: 839 [2021-07-09 19:56:31,141 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 1410 DAG size of output: 1099 [2021-07-09 19:56:36,154 WARN L205 SmtUtils]: Spent 5.01 s on a formula simplification. DAG size of input: 2226 DAG size of output: 1704 [2021-07-09 19:56:42,907 WARN L205 SmtUtils]: Spent 6.74 s on a formula simplification. DAG size of input: 3213 DAG size of output: 1793 [2021-07-09 19:56:51,390 WARN L205 SmtUtils]: Spent 8.47 s on a formula simplification. DAG size of input: 3741 DAG size of output: 2301 [2021-07-09 19:57:01,208 WARN L205 SmtUtils]: Spent 9.80 s on a formula simplification. DAG size of input: 4093 DAG size of output: 2511 [2021-07-09 19:57:02,514 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 739 DAG size of output: 1024 [2021-07-09 19:57:03,358 WARN L205 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 826 [2021-07-09 19:57:03,527 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 281 [2021-07-09 19:57:03,766 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 294 [2021-07-09 19:57:05,003 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 243 [2021-07-09 19:57:05,493 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 284 [2021-07-09 19:57:06,139 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-07-09 19:57:06,274 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-07-09 19:57:06,762 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2021-07-09 19:57:07,212 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 243 [2021-07-09 19:57:07,466 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-07-09 19:57:07,716 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-07-09 19:57:08,169 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 428 [2021-07-09 19:57:08,938 WARN L205 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 566 [2021-07-09 19:57:09,666 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 156 [2021-07-09 19:57:09,851 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2021-07-09 19:57:10,729 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 239 [2021-07-09 19:57:10,976 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 291 [2021-07-09 19:57:11,434 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 392 [2021-07-09 19:57:12,761 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 859 DAG size of output: 794 [2021-07-09 19:57:14,321 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 1020 DAG size of output: 881 [2021-07-09 19:57:14,605 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 235 [2021-07-09 19:57:14,761 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 297 [2021-07-09 19:57:14,891 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 236 [2021-07-09 19:57:15,120 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 244 [2021-07-09 19:57:15,772 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 207 [2021-07-09 19:57:16,065 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 334 [2021-07-09 19:57:16,543 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 209 [2021-07-09 19:57:16,652 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 226 [2021-07-09 19:57:17,192 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 310 [2021-07-09 19:57:17,784 WARN L205 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 446 [2021-07-09 19:57:17,965 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 195 [2021-07-09 19:57:18,708 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 256 [2021-07-09 19:57:19,088 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 308 [2021-07-09 19:57:19,906 WARN L205 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 508 [2021-07-09 19:57:20,575 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 156 [2021-07-09 19:57:20,727 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 173 [2021-07-09 19:57:20,982 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 215 [2021-07-09 19:57:21,442 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 193 [2021-07-09 19:57:21,544 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 205 [2021-07-09 19:57:22,247 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 262 [2021-07-09 19:57:22,803 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 284 [2021-07-09 19:57:23,172 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 348 [2021-07-09 19:57:24,428 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 994 DAG size of output: 708 [2021-07-09 19:57:25,922 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1148 DAG size of output: 774 [2021-07-09 19:57:29,225 WARN L205 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 1747 DAG size of output: 1412 [2021-07-09 19:57:29,334 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 253 [2021-07-09 19:57:29,493 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 259 [2021-07-09 19:57:29,606 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 256 [2021-07-09 19:57:30,470 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 190 [2021-07-09 19:57:31,360 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 203 [2021-07-09 19:57:31,563 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 249 [2021-07-09 19:57:31,764 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 321 [2021-07-09 19:57:31,952 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 260 [2021-07-09 19:57:32,267 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 192 [2021-07-09 19:57:32,629 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 249 [2021-07-09 19:57:32,811 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 271 [2021-07-09 19:57:33,088 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 251 [2021-07-09 19:57:33,546 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 251 [2021-07-09 19:57:33,735 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 274 [2021-07-09 19:57:33,991 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 321 [2021-07-09 19:57:34,128 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 238 [2021-07-09 19:57:34,764 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 253 [2021-07-09 19:57:35,149 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 213 [2021-07-09 19:57:35,339 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 242 [2021-07-09 19:57:35,612 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 265 [2021-07-09 19:57:36,026 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 330 [2021-07-09 19:57:36,647 WARN L205 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 911 DAG size of output: 360 [2021-07-09 19:57:36,786 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 245 [2021-07-09 19:57:37,740 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 225 [2021-07-09 19:57:38,707 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 261 [2021-07-09 19:57:38,930 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-07-09 19:57:39,144 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-07-09 19:57:39,499 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 357 [2021-07-09 19:57:40,006 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 385 [2021-07-09 19:57:40,995 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 218 [2021-07-09 19:57:41,246 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 242 [2021-07-09 19:57:41,744 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 743 DAG size of output: 350 [2021-07-09 19:57:42,984 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 1315 DAG size of output: 518 [2021-07-09 19:57:48,282 WARN L205 SmtUtils]: Spent 5.29 s on a formula simplification. DAG size of input: 2765 DAG size of output: 1722 [2021-07-09 19:57:54,283 WARN L205 SmtUtils]: Spent 5.99 s on a formula simplification. DAG size of input: 2888 DAG size of output: 1777 [2021-07-09 19:58:01,708 WARN L205 SmtUtils]: Spent 7.41 s on a formula simplification. DAG size of input: 3423 DAG size of output: 2286 [2021-07-09 19:58:10,643 WARN L205 SmtUtils]: Spent 8.92 s on a formula simplification. DAG size of input: 3768 DAG size of output: 2589 [2021-07-09 19:58:11,674 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 242 [2021-07-09 19:58:12,534 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 227 [2021-07-09 19:58:12,699 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 257 [2021-07-09 19:58:13,782 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2021-07-09 19:58:13,937 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 268 [2021-07-09 19:58:14,127 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 266 [2021-07-09 19:58:14,412 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 348 [2021-07-09 19:58:15,293 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 411 [2021-07-09 19:58:15,819 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 475 [2021-07-09 19:58:16,562 WARN L205 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 486 [2021-07-09 19:58:17,419 WARN L205 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 495 [2021-07-09 19:58:18,953 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 223 [2021-07-09 19:58:19,076 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 237 [2021-07-09 19:58:19,223 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 235 [2021-07-09 19:58:19,454 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 303 [2021-07-09 19:58:20,171 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 350 [2021-07-09 19:58:20,945 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 194 [2021-07-09 19:58:21,338 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 386 [2021-07-09 19:58:21,899 WARN L205 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 399 [2021-07-09 19:58:23,502 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 1065 DAG size of output: 745 [2021-07-09 19:58:25,228 WARN L205 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 1077 DAG size of output: 744 [2021-07-09 19:58:27,188 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 1098 DAG size of output: 750 [2021-07-09 19:58:39,423 WARN L205 SmtUtils]: Spent 12.23 s on a formula simplification. DAG size of input: 4707 DAG size of output: 3202 [2021-07-09 19:59:03,031 WARN L205 SmtUtils]: Spent 23.59 s on a formula simplification. DAG size of input: 6894 DAG size of output: 4324 [2021-07-09 19:59:29,675 WARN L205 SmtUtils]: Spent 26.61 s on a formula simplification. DAG size of input: 7322 DAG size of output: 4477 [2021-07-09 19:59:30,801 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 317 [2021-07-09 19:59:30,965 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 343 [2021-07-09 19:59:32,336 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 378 [2021-07-09 19:59:32,552 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 404 [2021-07-09 19:59:32,979 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 627 [2021-07-09 19:59:33,487 WARN L205 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 654 [2021-07-09 20:00:03,626 WARN L205 SmtUtils]: Spent 30.12 s on a formula simplification. DAG size of input: 8002 DAG size of output: 4954 [2021-07-09 20:00:39,459 WARN L205 SmtUtils]: Spent 35.79 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-07-09 20:01:15,687 WARN L205 SmtUtils]: Spent 36.19 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-07-09 20:01:55,430 WARN L205 SmtUtils]: Spent 39.72 s on a formula simplification. DAG size of input: 8440 DAG size of output: 5295 [2021-07-09 20:02:54,549 WARN L205 SmtUtils]: Spent 59.08 s on a formula simplification. DAG size of input: 5297 DAG size of output: 7538 [2021-07-09 20:03:52,306 WARN L205 SmtUtils]: Spent 57.72 s on a formula simplification. DAG size of input: 4323 DAG size of output: 6374 [2021-07-09 20:04:52,528 WARN L205 SmtUtils]: Spent 1.00 m on a formula simplification. DAG size of input: 3823 DAG size of output: 4222 [2021-07-09 20:05:00,163 WARN L205 SmtUtils]: Spent 7.62 s on a formula simplification. DAG size of input: 1942 DAG size of output: 1778 [2021-07-09 20:05:13,778 WARN L205 SmtUtils]: Spent 13.60 s on a formula simplification. DAG size of input: 1680 DAG size of output: 1578 [2021-07-09 20:05:14,053 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 1450 [2021-07-09 20:05:22,852 WARN L205 SmtUtils]: Spent 8.79 s on a formula simplification. DAG size of input: 1347 DAG size of output: 1954 [2021-07-09 20:05:23,398 WARN L205 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 1150 DAG size of output: 1150 [2021-07-09 20:05:23,789 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 1034 DAG size of output: 1034 [2021-07-09 20:05:28,757 WARN L205 SmtUtils]: Spent 4.40 s on a formula simplification. DAG size of input: 981 DAG size of output: 1395 [2021-07-09 20:05:28,876 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 872 [2021-07-09 20:05:28,992 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 595 [2021-07-09 20:05:30,072 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 272 [2021-07-09 20:05:30,543 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 331 [2021-07-09 20:05:30,848 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 377 [2021-07-09 20:05:31,964 WARN L205 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 472 [2021-07-09 20:05:32,071 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 535 [2021-07-09 20:05:32,175 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 208 [2021-07-09 20:05:32,573 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 187 [2021-07-09 20:05:32,933 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 266 [2021-07-09 20:05:34,052 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 289 [2021-07-09 20:05:34,328 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 337 [2021-07-09 20:05:34,724 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 399 [2021-07-09 20:05:35,220 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 752 DAG size of output: 473 [2021-07-09 20:05:36,375 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 1245 DAG size of output: 754 [2021-07-09 20:05:36,594 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 778 [2021-07-09 20:05:36,699 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 509 [2021-07-09 20:05:37,868 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 244 [2021-07-09 20:05:38,034 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 279 [2021-07-09 20:05:38,566 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 355 [2021-07-09 20:05:38,939 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 624 DAG size of output: 427 [2021-07-09 20:05:39,048 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 556 [2021-07-09 20:05:39,669 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 425 [2021-07-09 20:05:40,736 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 216 [2021-07-09 20:05:41,220 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 294 [2021-07-09 20:05:41,499 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 361 [2021-07-09 20:05:41,898 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 710 DAG size of output: 434 [2021-07-09 20:05:42,797 WARN L205 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 1001 DAG size of output: 614 [2021-07-09 20:05:45,072 WARN L205 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 1979 DAG size of output: 1146 [2021-07-09 20:05:47,858 WARN L205 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 2136 DAG size of output: 1241 [2021-07-09 20:05:51,151 WARN L205 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 2252 DAG size of output: 1326 [2021-07-09 20:05:56,724 WARN L205 SmtUtils]: Spent 5.56 s on a formula simplification. DAG size of input: 3080 DAG size of output: 1978 [2021-07-09 20:05:57,132 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 294 [2021-07-09 20:05:57,343 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 228 [2021-07-09 20:05:58,719 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 227 [2021-07-09 20:05:58,971 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 301 [2021-07-09 20:05:59,348 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 370 [2021-07-09 20:06:05,428 WARN L205 SmtUtils]: Spent 6.07 s on a formula simplification. DAG size of input: 3478 DAG size of output: 2225 [2021-07-09 20:06:06,052 WARN L205 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 431 [2021-07-09 20:06:06,806 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 243 [2021-07-09 20:06:06,964 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 237 [2021-07-09 20:06:07,205 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 247 [2021-07-09 20:06:07,314 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 217 [2021-07-09 20:06:07,942 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 238 [2021-07-09 20:06:08,058 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 241 [2021-07-09 20:06:08,209 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 266 [2021-07-09 20:06:08,855 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 241 [2021-07-09 20:06:09,011 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 310 [2021-07-09 20:06:09,220 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 316 [2021-07-09 20:06:09,602 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 411 [2021-07-09 20:06:10,277 WARN L205 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 543 [2021-07-09 20:06:11,146 WARN L205 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 909 DAG size of output: 604 [2021-07-09 20:06:18,932 WARN L205 SmtUtils]: Spent 7.78 s on a formula simplification. DAG size of input: 4146 DAG size of output: 2641 [2021-07-09 20:06:27,873 WARN L205 SmtUtils]: Spent 8.92 s on a formula simplification. DAG size of input: 4264 DAG size of output: 2757 [2021-07-09 20:06:45,674 WARN L205 SmtUtils]: Spent 17.77 s on a formula simplification. DAG size of input: 6395 DAG size of output: 4339 [2021-07-09 20:07:12,312 WARN L205 SmtUtils]: Spent 26.60 s on a formula simplification. DAG size of input: 4239 DAG size of output: 3919 [2021-07-09 20:08:27,336 WARN L205 SmtUtils]: Spent 1.25 m on a formula simplification. DAG size of input: 3721 DAG size of output: 4036 [2021-07-09 20:08:46,169 WARN L205 SmtUtils]: Spent 18.80 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1732 [2021-07-09 20:08:46,610 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 306 [2021-07-09 20:08:46,840 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 236 [2021-07-09 20:08:46,947 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 212 [2021-07-09 20:08:47,978 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 278 [2021-07-09 20:08:48,233 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 322 [2021-07-09 20:08:48,381 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 201 [2021-07-09 20:08:49,224 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 254 [2021-07-09 20:08:49,463 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 271 [2021-07-09 20:08:49,759 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 290 [2021-07-09 20:08:50,595 WARN L205 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 477 [2021-07-09 20:08:51,329 WARN L205 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 1605 DAG size of output: 1605 [2021-07-09 20:09:08,952 WARN L205 SmtUtils]: Spent 17.61 s on a formula simplification. DAG size of input: 1500 DAG size of output: 2098 [2021-07-09 20:09:16,386 WARN L205 SmtUtils]: Spent 7.42 s on a formula simplification. DAG size of input: 1251 DAG size of output: 1697 Received shutdown request... [2021-07-09 20:09:21,395 WARN L205 SmtUtils]: Spent 5.00 s on a formula simplification. DAG size of input: 1076 DAG size of output: 1519 [2021-07-09 20:09:21,626 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2423 [2021-07-09 20:09:21,626 WARN L547 AbstractCegarLoop]: Verification canceled [2021-07-09 20:09:21,633 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-09 20:09:21,634 WARN L196 ceAbstractionStarter]: Timeout [2021-07-09 20:09:21,635 INFO L202 PluginConnector]: Adding new model unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.07 08:09:21 BasicIcfg [2021-07-09 20:09:21,635 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-09 20:09:21,635 INFO L168 Benchmark]: Toolchain (without parser) took 884528.58 ms. Allocated memory was 203.4 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 183.2 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.1 GB. Max. memory is 8.0 GB. [2021-07-09 20:09:21,635 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 203.4 MB. Free memory is still 184.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-09 20:09:21,635 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.91 ms. Allocated memory is still 203.4 MB. Free memory was 183.1 MB in the beginning and 181.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-09 20:09:21,635 INFO L168 Benchmark]: Boogie Preprocessor took 10.60 ms. Allocated memory is still 203.4 MB. Free memory was 181.5 MB in the beginning and 180.6 MB in the end (delta: 947.9 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-09 20:09:21,635 INFO L168 Benchmark]: RCFGBuilder took 375.76 ms. Allocated memory is still 203.4 MB. Free memory was 180.5 MB in the beginning and 163.2 MB in the end (delta: 17.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2021-07-09 20:09:21,635 INFO L168 Benchmark]: TraceAbstraction took 884119.53 ms. Allocated memory was 203.4 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 162.8 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.1 GB. Max. memory is 8.0 GB. [2021-07-09 20:09:21,635 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 0.09 ms. Allocated memory is still 203.4 MB. Free memory is still 184.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 18.91 ms. Allocated memory is still 203.4 MB. Free memory was 183.1 MB in the beginning and 181.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 10.60 ms. Allocated memory is still 203.4 MB. Free memory was 181.5 MB in the beginning and 180.6 MB in the end (delta: 947.9 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 375.76 ms. Allocated memory is still 203.4 MB. Free memory was 180.5 MB in the beginning and 163.2 MB in the end (delta: 17.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 884119.53 ms. Allocated memory was 203.4 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 162.8 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.1 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 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: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: -1, Independence queries for same thread: 0 - 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: 884047.5ms, OverallIterations: 15, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.4ms, PartialOrderReductionTime: 2638.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, InterpolantAutomatonStates: 169, 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: 50.1ms SsaConstructionTime, 222.6ms SatisfiabilityAnalysisTime, 41008.8ms InterpolantComputationTime, 452 NumberOfCodeBlocks, 452 NumberOfCodeBlocksAsserted, 47 NumberOfCheckSat, 425 ConstructedInterpolants, 0 QuantifiedInterpolants, 4860 SizeOfPredicates, 28 NumberOfNonLiveVariables, 858 ConjunctsInSsa, 379 ConjunctsInUnsatCore, 27 InterpolantComputations, 1 PerfectInterpolantSequences, 93/640 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