/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-13 15:26:14,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-13 15:26:14,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-13 15:26:14,856 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-13 15:26:14,926 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf [2021-06-13 15:26:14,958 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-13 15:26:14,958 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-13 15:26:14,959 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-13 15:26:14,959 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-13 15:26:14,961 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-13 15:26:14,961 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-13 15:26:14,962 INFO L138 SettingsManager]: * Use SBE=true [2021-06-13 15:26:14,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-13 15:26:14,962 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-13 15:26:14,962 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-13 15:26:14,963 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-13 15:26:14,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-13 15:26:14,963 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-13 15:26:14,963 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-13 15:26:14,963 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-13 15:26:14,963 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-13 15:26:14,964 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-13 15:26:14,964 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-13 15:26:14,964 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-13 15:26:14,964 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-13 15:26:14,964 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-13 15:26:14,964 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-13 15:26:14,964 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-13 15:26:14,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 15:26:14,965 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-13 15:26:14,965 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-13 15:26:14,965 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-13 15:26:14,965 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-13 15:26:14,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-13 15:26:14,966 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-13 15:26:14,966 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-13 15:26:14,966 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-13 15:26:14,966 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-13 15:26:14,966 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-13 15:26:15,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-13 15:26:15,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-13 15:26:15,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-13 15:26:15,259 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-13 15:26:15,261 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-13 15:26:15,262 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-2.wvr.bpl [2021-06-13 15:26:15,262 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-2.wvr.bpl' [2021-06-13 15:26:15,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-13 15:26:15,284 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-13 15:26:15,285 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-13 15:26:15,285 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-13 15:26:15,286 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-13 15:26:15,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 03:26:15" (1/1) ... [2021-06-13 15:26:15,303 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 03:26:15" (1/1) ... [2021-06-13 15:26:15,309 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-13 15:26:15,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-13 15:26:15,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-13 15:26:15,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-13 15:26:15,317 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 03:26:15" (1/1) ... [2021-06-13 15:26:15,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 03:26:15" (1/1) ... [2021-06-13 15:26:15,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 03:26:15" (1/1) ... [2021-06-13 15:26:15,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 03:26:15" (1/1) ... [2021-06-13 15:26:15,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 03:26:15" (1/1) ... [2021-06-13 15:26:15,322 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 03:26:15" (1/1) ... [2021-06-13 15:26:15,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 03:26:15" (1/1) ... [2021-06-13 15:26:15,323 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-13 15:26:15,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-13 15:26:15,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-13 15:26:15,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-13 15:26:15,327 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 03:26:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 15:26:15,381 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-13 15:26:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-13 15:26:15,381 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-13 15:26:15,381 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-13 15:26:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-13 15:26:15,381 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-13 15:26:15,382 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-13 15:26:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-13 15:26:15,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-13 15:26:15,382 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-13 15:26:15,603 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-13 15:26:15,603 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-06-13 15:26:15,604 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-13 15:26:15,604 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-06-13 15:26:15,618 INFO L202 PluginConnector]: Adding new model unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 03:26:15 BoogieIcfgContainer [2021-06-13 15:26:15,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-13 15:26:15,630 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-13 15:26:15,630 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-13 15:26:15,633 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-13 15:26:15,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 03:26:15" (1/2) ... [2021-06-13 15:26:15,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@156113e5 and model type unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 03:26:15, skipping insertion in model container [2021-06-13 15:26:15,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 03:26:15" (2/2) ... [2021-06-13 15:26:15,635 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-2.wvr.bpl [2021-06-13 15:26:15,639 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-13 15:26:15,639 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-13 15:26:15,639 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-13 15:26:15,640 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-13 15:26:15,684 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-13 15:26:15,717 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-13 15:26:15,778 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 15:26:15,778 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 15:26:15,778 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 15:26:15,779 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 15:26:15,779 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 15:26:15,779 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 15:26:15,780 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 15:26:15,781 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-13 15:26:15,814 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 15:26:15,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 15:26:15,820 INFO L82 PathProgramCache]: Analyzing trace with hash -1694861722, now seen corresponding path program 1 times [2021-06-13 15:26:15,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 15:26:15,827 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762930006] [2021-06-13 15:26:15,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 15:26:15,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:26:15,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:26:15,960 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 15:26:15,960 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762930006] [2021-06-13 15:26:15,962 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762930006] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 15:26:15,962 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 15:26:15,962 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-13 15:26:15,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661025572] [2021-06-13 15:26:15,968 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-13 15:26:15,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 15:26:15,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-13 15:26:15,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-13 15:26:15,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:26:15,986 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 15:26:15,989 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 15:26:15,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:26:16,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:26:16,005 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-13 15:26:16,005 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 15:26:16,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 15:26:16,008 INFO L82 PathProgramCache]: Analyzing trace with hash 658584646, now seen corresponding path program 1 times [2021-06-13 15:26:16,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 15:26:16,009 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87064002] [2021-06-13 15:26:16,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 15:26:16,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:26:16,080 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:26:16,080 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 15:26:16,080 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87064002] [2021-06-13 15:26:16,081 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87064002] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:26:16,081 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750260522] [2021-06-13 15:26:16,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 15:26:16,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:26:16,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-13 15:26:16,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 15:26:16,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:26:16,220 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1750260522] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:26:16,220 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 15:26:16,221 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-06-13 15:26:16,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325868485] [2021-06-13 15:26:16,223 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-13 15:26:16,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 15:26:16,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-13 15:26:16,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-13 15:26:16,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:26:16,226 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 15:26:16,226 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 15:26:16,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:26:16,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:26:16,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:26:16,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:16,464 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 15:26:16,465 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 15:26:16,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 15:26:16,466 INFO L82 PathProgramCache]: Analyzing trace with hash -1035640753, now seen corresponding path program 1 times [2021-06-13 15:26:16,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 15:26:16,466 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694205977] [2021-06-13 15:26:16,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 15:26:16,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:26:16,521 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-13 15:26:16,522 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 15:26:16,522 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694205977] [2021-06-13 15:26:16,522 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694205977] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:26:16,522 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [619222799] [2021-06-13 15:26:16,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-06-13 15:26:16,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 15:26:16,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-13 15:26:16,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 15:26:16,606 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-13 15:26:16,607 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [619222799] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:26:16,607 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 15:26:16,607 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-06-13 15:26:16,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389539251] [2021-06-13 15:26:16,608 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-13 15:26:16,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 15:26:16,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-13 15:26:16,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-13 15:26:16,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:26:16,609 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 15:26:16,609 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 15:26:16,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:26:16,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:16,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:26:16,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:26:16,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:16,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:16,841 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 15:26:16,841 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 15:26:16,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 15:26:16,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1473521199, now seen corresponding path program 2 times [2021-06-13 15:26:16,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 15:26:16,842 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126758269] [2021-06-13 15:26:16,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 15:26:16,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:26:16,888 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:26:16,888 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 15:26:16,890 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126758269] [2021-06-13 15:26:16,890 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126758269] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:26:16,890 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [875411081] [2021-06-13 15:26:16,890 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 15:26:16,927 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-13 15:26:16,927 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 15:26:16,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-13 15:26:16,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 15:26:17,006 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 15:26:17,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 18 [2021-06-13 15:26:17,010 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 15:26:17,012 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 15:26:17,013 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 15:26:17,013 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-06-13 15:26:17,021 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:26:17,021 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [875411081] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:26:17,021 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 15:26:17,021 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 7 [2021-06-13 15:26:17,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819234849] [2021-06-13 15:26:17,022 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-13 15:26:17,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 15:26:17,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-13 15:26:17,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-13 15:26:17,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:26:17,023 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 15:26:17,023 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 7 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) [2021-06-13 15:26:17,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:26:17,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:17,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:17,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:26:17,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:26:17,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:17,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:17,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:26:17,275 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 15:26:17,276 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 15:26:17,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 15:26:17,276 INFO L82 PathProgramCache]: Analyzing trace with hash 1948130383, now seen corresponding path program 3 times [2021-06-13 15:26:17,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 15:26:17,276 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517847594] [2021-06-13 15:26:17,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 15:26:17,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:26:17,347 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:26:17,348 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 15:26:17,348 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517847594] [2021-06-13 15:26:17,348 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517847594] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:26:17,348 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2011953593] [2021-06-13 15:26:17,349 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 15:26:17,381 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-13 15:26:17,381 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 15:26:17,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-13 15:26:17,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 15:26:17,477 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:26:17,477 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2011953593] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:26:17,477 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 15:26:17,477 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-06-13 15:26:17,477 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929118194] [2021-06-13 15:26:17,478 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-13 15:26:17,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 15:26:17,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-13 15:26:17,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-06-13 15:26:17,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:26:17,478 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 15:26:17,478 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 15:26:17,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:26:17,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:17,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:17,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:26:17,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:26:17,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:26:17,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:17,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:17,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:26:17,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 15:26:17,788 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 15:26:17,788 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 15:26:17,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 15:26:17,789 INFO L82 PathProgramCache]: Analyzing trace with hash 285571430, now seen corresponding path program 4 times [2021-06-13 15:26:17,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 15:26:17,789 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121687368] [2021-06-13 15:26:17,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 15:26:17,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:26:17,832 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-13 15:26:17,832 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 15:26:17,832 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121687368] [2021-06-13 15:26:17,833 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121687368] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:26:17,833 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1205140855] [2021-06-13 15:26:17,833 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 15:26:17,861 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-13 15:26:17,861 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 15:26:17,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-13 15:26:17,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 15:26:17,919 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-13 15:26:17,920 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1205140855] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:26:17,920 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 15:26:17,920 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-06-13 15:26:17,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807611216] [2021-06-13 15:26:17,921 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-13 15:26:17,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 15:26:17,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-13 15:26:17,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-06-13 15:26:17,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:26:17,922 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 15:26:17,922 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) [2021-06-13 15:26:17,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:26:17,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:17,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:17,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:26:17,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 15:26:17,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:26:17,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:26:17,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:17,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:17,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:26:17,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 15:26:17,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 15:26:18,203 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 15:26:18,204 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 15:26:18,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 15:26:18,204 INFO L82 PathProgramCache]: Analyzing trace with hash -1580915834, now seen corresponding path program 5 times [2021-06-13 15:26:18,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 15:26:18,205 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437298399] [2021-06-13 15:26:18,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 15:26:18,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:26:18,293 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:26:18,293 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 15:26:18,293 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437298399] [2021-06-13 15:26:18,293 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437298399] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:26:18,294 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079424302] [2021-06-13 15:26:18,294 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 15:26:18,333 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-13 15:26:18,333 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 15:26:18,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-13 15:26:18,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 15:26:18,458 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-13 15:26:18,458 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2079424302] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:26:18,458 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 15:26:18,458 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2021-06-13 15:26:18,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950097101] [2021-06-13 15:26:18,459 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-13 15:26:18,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 15:26:18,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-13 15:26:18,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2021-06-13 15:26:18,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:26:18,467 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 15:26:18,467 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.8) internal successors, (27), 14 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) [2021-06-13 15:26:18,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:26:18,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:18,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:18,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:26:18,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 15:26:18,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 15:26:18,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:26:18,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:26:18,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:18,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:18,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:26:18,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 15:26:18,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 15:26:18,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-13 15:26:18,853 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 15:26:18,854 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 15:26:18,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 15:26:18,854 INFO L82 PathProgramCache]: Analyzing trace with hash -1740678897, now seen corresponding path program 6 times [2021-06-13 15:26:18,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 15:26:18,854 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964111851] [2021-06-13 15:26:18,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 15:26:18,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:26:18,963 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:26:18,963 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 15:26:18,963 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964111851] [2021-06-13 15:26:18,963 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964111851] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:26:18,963 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1943952727] [2021-06-13 15:26:18,964 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 15:26:18,992 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-13 15:26:18,992 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 15:26:18,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-13 15:26:18,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 15:26:19,273 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 15:26:19,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 31 treesize of output 142 [2021-06-13 15:26:19,667 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 15:26:19,669 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 15:26:19,669 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 15:26:19,669 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-06-13 15:26:19,676 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:26:19,676 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1943952727] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:26:19,676 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 15:26:19,677 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2021-06-13 15:26:19,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676284795] [2021-06-13 15:26:19,677 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-13 15:26:19,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 15:26:19,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-13 15:26:19,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2021-06-13 15:26:19,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:26:19,679 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 15:26:19,679 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.7222222222222223) internal successors, (31), 17 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) [2021-06-13 15:26:19,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:26:19,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:19,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:19,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:26:19,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 15:26:19,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 15:26:19,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-13 15:26:19,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:26:19,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:26:19,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:19,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:19,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:26:19,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 15:26:19,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 15:26:19,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-13 15:26:19,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:26:19,964 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-06-13 15:26:19,965 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 15:26:19,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 15:26:19,965 INFO L82 PathProgramCache]: Analyzing trace with hash 1937782575, now seen corresponding path program 7 times [2021-06-13 15:26:19,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 15:26:19,965 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082517025] [2021-06-13 15:26:19,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 15:26:19,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:26:20,067 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 15 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:26:20,068 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 15:26:20,068 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082517025] [2021-06-13 15:26:20,068 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082517025] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:26:20,068 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564450944] [2021-06-13 15:26:20,068 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 15:26:20,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:26:20,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-13 15:26:20,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 15:26:20,178 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 21 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:26:20,179 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [564450944] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:26:20,179 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 15:26:20,179 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2021-06-13 15:26:20,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872608810] [2021-06-13 15:26:20,181 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-13 15:26:20,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 15:26:20,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-13 15:26:20,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-06-13 15:26:20,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:26:20,183 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 15:26:20,183 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 15:26:20,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:26:20,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:20,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:20,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:26:20,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 15:26:20,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 15:26:20,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-13 15:26:20,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:26:20,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:26:20,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:26:20,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:20,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:20,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:26:20,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 15:26:20,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 15:26:20,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-13 15:26:20,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:26:20,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 15:26:20,546 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 15:26:20,546 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 15:26:20,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 15:26:20,547 INFO L82 PathProgramCache]: Analyzing trace with hash -35210618, now seen corresponding path program 8 times [2021-06-13 15:26:20,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 15:26:20,547 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902597455] [2021-06-13 15:26:20,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 15:26:20,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:26:20,628 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-06-13 15:26:20,629 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 15:26:20,629 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902597455] [2021-06-13 15:26:20,629 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902597455] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:26:20,629 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042481958] [2021-06-13 15:26:20,629 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 15:26:20,667 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-13 15:26:20,667 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 15:26:20,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-13 15:26:20,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 15:26:20,748 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-06-13 15:26:20,748 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2042481958] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:26:20,749 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 15:26:20,749 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 13 [2021-06-13 15:26:20,749 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593704259] [2021-06-13 15:26:20,749 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-13 15:26:20,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 15:26:20,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-13 15:26:20,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-06-13 15:26:20,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:26:20,750 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 15:26:20,750 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 13 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) [2021-06-13 15:26:20,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:26:20,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:20,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:20,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:26:20,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 15:26:20,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 15:26:20,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-13 15:26:20,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:26:20,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-13 15:26:20,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:26:20,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:26:20,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:20,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:20,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:26:20,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 15:26:20,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 15:26:20,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-13 15:26:20,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:26:20,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 15:26:20,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 15:26:21,092 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-06-13 15:26:21,093 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 15:26:21,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 15:26:21,093 INFO L82 PathProgramCache]: Analyzing trace with hash 208179366, now seen corresponding path program 9 times [2021-06-13 15:26:21,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 15:26:21,094 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330688793] [2021-06-13 15:26:21,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 15:26:21,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:26:21,183 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:26:21,183 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 15:26:21,184 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330688793] [2021-06-13 15:26:21,184 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330688793] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:26:21,184 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038599320] [2021-06-13 15:26:21,184 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 15:26:21,228 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-13 15:26:21,228 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 15:26:21,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-13 15:26:21,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 15:26:21,581 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-06-13 15:26:21,581 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 15:26:21,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-06-13 15:26:23,077 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 15:26:23,079 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 15:26:23,079 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 15:26:23,079 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-06-13 15:26:23,085 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:26:23,086 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2038599320] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:26:23,086 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 15:26:23,086 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 14] total 22 [2021-06-13 15:26:23,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183592882] [2021-06-13 15:26:23,086 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-13 15:26:23,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 15:26:23,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-13 15:26:23,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2021-06-13 15:26:23,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:26:23,087 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 15:26:23,087 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.608695652173913) internal successors, (37), 22 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 15:26:23,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:26:23,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:23,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:23,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:26:23,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 15:26:23,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 15:26:23,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-13 15:26:23,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:26:23,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-13 15:26:23,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 15:26:23,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:26:23,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:26:23,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:23,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:23,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:26:23,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 15:26:23,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 15:26:23,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-13 15:26:23,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:26:23,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 15:26:23,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 15:26:23,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-13 15:26:23,402 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-06-13 15:26:23,402 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 15:26:23,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 15:26:23,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1132874918, now seen corresponding path program 10 times [2021-06-13 15:26:23,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 15:26:23,403 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403486073] [2021-06-13 15:26:23,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 15:26:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:26:23,559 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 36 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:26:23,559 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 15:26:23,560 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403486073] [2021-06-13 15:26:23,560 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403486073] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:26:23,560 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1701297597] [2021-06-13 15:26:23,560 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 15:26:23,600 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-13 15:26:23,601 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 15:26:23,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-13 15:26:23,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 15:26:23,680 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 45 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:26:23,681 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1701297597] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:26:23,681 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 15:26:23,681 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2021-06-13 15:26:23,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737875159] [2021-06-13 15:26:23,681 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-13 15:26:23,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 15:26:23,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-13 15:26:23,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2021-06-13 15:26:23,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:26:23,682 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 15:26:23,682 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 15:26:23,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:26:23,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:23,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:23,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:26:23,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 15:26:23,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 15:26:23,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-13 15:26:23,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:26:23,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-13 15:26:23,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 15:26:23,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-13 15:26:23,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:26:23,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:26:23,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:23,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:23,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:26:23,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 15:26:23,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 15:26:23,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-13 15:26:23,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:26:23,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 15:26:23,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 15:26:23,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-13 15:26:23,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-13 15:26:24,112 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable200 [2021-06-13 15:26:24,113 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 15:26:24,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 15:26:24,113 INFO L82 PathProgramCache]: Analyzing trace with hash 782455791, now seen corresponding path program 11 times [2021-06-13 15:26:24,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 15:26:24,113 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192785319] [2021-06-13 15:26:24,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 15:26:24,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:26:24,212 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:26:24,213 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 15:26:24,213 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192785319] [2021-06-13 15:26:24,213 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192785319] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:26:24,213 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1334033298] [2021-06-13 15:26:24,213 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 15:26:24,250 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-13 15:26:24,250 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 15:26:24,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 37 conjunts are in the unsatisfiable core [2021-06-13 15:26:24,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 15:26:24,801 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-06-13 15:26:24,802 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 15:26:24,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 19 new quantified variables, introduced 45 case distinctions, treesize of input 47 treesize of output 394 [2021-06-13 15:26:25,883 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 236 [2021-06-13 15:26:26,001 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 236 [2021-06-13 15:26:26,140 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 252 [2021-06-13 15:26:26,391 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 258 [2021-06-13 15:26:26,501 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 206 [2021-06-13 15:26:26,617 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 217 [2021-06-13 15:26:27,397 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 186 [2021-06-13 15:26:28,247 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 287 [2021-06-13 15:26:29,170 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 480 DAG size of output: 370 [2021-06-13 15:26:29,558 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 395 [2021-06-13 15:26:30,057 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 442 [2021-06-13 15:26:30,195 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 234 [2021-06-13 15:26:31,007 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 186 [2021-06-13 15:26:31,720 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 189 [2021-06-13 15:26:32,519 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 270 [2021-06-13 15:26:32,804 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 379 [2021-06-13 15:26:33,163 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 419 [2021-06-13 15:26:33,628 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 667 DAG size of output: 486 [2021-06-13 15:26:34,696 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1125 DAG size of output: 757 [2021-06-13 15:26:35,914 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 1132 DAG size of output: 747 [2021-06-13 15:26:37,131 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 1132 DAG size of output: 747 [2021-06-13 15:26:38,481 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1143 DAG size of output: 758 [2021-06-13 15:26:40,045 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 756 DAG size of output: 858 [2021-06-13 15:26:40,532 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 459 [2021-06-13 15:26:40,711 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 212 [2021-06-13 15:26:41,296 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 183 [2021-06-13 15:26:41,434 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 205 [2021-06-13 15:26:42,095 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 239 [2021-06-13 15:26:42,246 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 271 [2021-06-13 15:26:42,492 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 358 [2021-06-13 15:26:43,272 WARN L205 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 686 [2021-06-13 15:26:43,827 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 491 [2021-06-13 15:26:44,290 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 302 [2021-06-13 15:26:44,632 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 231 [2021-06-13 15:26:44,813 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 459 DAG size of output: 334 [2021-06-13 15:26:45,144 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 378 [2021-06-13 15:26:45,756 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 300 [2021-06-13 15:26:46,051 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 704 DAG size of output: 431 [2021-06-13 15:26:46,407 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 711 DAG size of output: 437 [2021-06-13 15:26:47,028 WARN L205 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 1016 DAG size of output: 596 [2021-06-13 15:26:47,658 WARN L205 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 1016 DAG size of output: 596 [2021-06-13 15:26:48,361 WARN L205 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 1022 DAG size of output: 554 [2021-06-13 15:26:48,668 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 433 [2021-06-13 15:26:49,134 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 209 [2021-06-13 15:26:49,470 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 239 [2021-06-13 15:26:49,869 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 447 [2021-06-13 15:26:50,091 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 279 [2021-06-13 15:26:50,369 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 303 [2021-06-13 15:26:50,634 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 368 [2021-06-13 15:26:51,031 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 436 [2021-06-13 15:26:51,437 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 436 [2021-06-13 15:26:51,867 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 439 [2021-06-13 15:26:52,131 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 335 [2021-06-13 15:26:52,823 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 15:26:52,824 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 15:26:52,825 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 15:26:52,825 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-06-13 15:26:52,831 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:26:52,831 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1334033298] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:26:52,831 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 15:26:52,831 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17] total 27 [2021-06-13 15:26:52,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380096373] [2021-06-13 15:26:52,832 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-13 15:26:52,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 15:26:52,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-13 15:26:52,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-06-13 15:26:52,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:26:52,833 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 15:26:52,833 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 27 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 15:26:52,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:26:52,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:52,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:52,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:26:52,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 15:26:52,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 15:26:52,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-13 15:26:52,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:26:52,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-13 15:26:52,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 15:26:52,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-13 15:26:52,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-13 15:26:52,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:26:52,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:26:52,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:52,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:52,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:26:52,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 15:26:52,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 15:26:52,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-13 15:26:52,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:26:52,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 15:26:52,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 15:26:52,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-13 15:26:52,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-13 15:26:52,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 15:26:53,205 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable201 [2021-06-13 15:26:53,205 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 15:26:53,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 15:26:53,205 INFO L82 PathProgramCache]: Analyzing trace with hash 467408879, now seen corresponding path program 12 times [2021-06-13 15:26:53,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 15:26:53,205 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575895989] [2021-06-13 15:26:53,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 15:26:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:26:53,391 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 55 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:26:53,392 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 15:26:53,392 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575895989] [2021-06-13 15:26:53,392 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575895989] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:26:53,392 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1326567781] [2021-06-13 15:26:53,392 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 15:26:53,430 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-13 15:26:53,430 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 15:26:53,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-13 15:26:53,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 15:26:53,511 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 66 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:26:53,511 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1326567781] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:26:53,512 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 15:26:53,512 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 20 [2021-06-13 15:26:53,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916811848] [2021-06-13 15:26:53,512 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-13 15:26:53,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 15:26:53,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-13 15:26:53,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2021-06-13 15:26:53,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:26:53,513 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 15:26:53,513 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.380952380952381) internal successors, (29), 20 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 15:26:53,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:26:53,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:53,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:53,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:26:53,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 15:26:53,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 15:26:53,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-13 15:26:53,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:26:53,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-13 15:26:53,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 15:26:53,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-13 15:26:53,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-13 15:26:53,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-13 15:26:53,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:26:53,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:26:53,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:53,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:26:53,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:26:53,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 15:26:53,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 15:26:53,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-13 15:26:53,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:26:53,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 15:26:53,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 15:26:53,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-13 15:26:53,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-13 15:26:53,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 15:26:53,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-13 15:26:53,991 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1342,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 15:26:53,992 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 15:26:53,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 15:26:53,992 INFO L82 PathProgramCache]: Analyzing trace with hash 1627845062, now seen corresponding path program 13 times [2021-06-13 15:26:53,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 15:26:53,992 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689221416] [2021-06-13 15:26:53,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 15:26:53,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:26:54,142 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:26:54,143 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 15:26:54,143 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689221416] [2021-06-13 15:26:54,143 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689221416] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:26:54,143 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1712576119] [2021-06-13 15:26:54,143 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 15:26:54,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:26:54,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 43 conjunts are in the unsatisfiable core [2021-06-13 15:26:54,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 15:26:54,982 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-06-13 15:26:54,983 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 15:26:54,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 23 new quantified variables, introduced 66 case distinctions, treesize of input 55 treesize of output 568 [2021-06-13 15:26:56,011 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 276 [2021-06-13 15:26:56,155 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 280 [2021-06-13 15:26:57,030 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 269 [2021-06-13 15:26:57,166 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 273 [2021-06-13 15:26:57,476 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 411 [2021-06-13 15:26:57,854 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 438 [2021-06-13 15:26:58,707 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 250 [2021-06-13 15:26:58,827 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 252 [2021-06-13 15:26:59,664 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 240 [2021-06-13 15:26:59,774 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 242 [2021-06-13 15:27:00,042 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 374 [2021-06-13 15:27:00,383 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 402 [2021-06-13 15:27:01,242 WARN L205 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 770 DAG size of output: 685 [2021-06-13 15:27:02,162 WARN L205 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 812 DAG size of output: 726 [2021-06-13 15:27:03,230 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 833 DAG size of output: 734 [2021-06-13 15:27:04,476 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 841 DAG size of output: 738 [2021-06-13 15:27:05,704 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 841 DAG size of output: 738 [2021-06-13 15:27:07,156 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 861 DAG size of output: 758 [2021-06-13 15:27:08,997 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 760 DAG size of output: 812 [2021-06-13 15:27:09,845 WARN L205 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 464 DAG size of output: 563 [2021-06-13 15:27:10,429 WARN L205 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 646 [2021-06-13 15:27:11,200 WARN L205 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 545 [2021-06-13 15:27:11,838 WARN L205 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 536 [2021-06-13 15:27:12,172 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 313 [2021-06-13 15:27:12,286 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 254 [2021-06-13 15:27:13,068 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 303 [2021-06-13 15:27:13,966 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 314 [2021-06-13 15:27:14,367 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 500 [2021-06-13 15:27:14,876 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 754 DAG size of output: 569 [2021-06-13 15:27:15,094 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 252 [2021-06-13 15:27:15,818 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 212 [2021-06-13 15:27:16,077 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 273 [2021-06-13 15:27:16,316 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 288 [2021-06-13 15:27:17,083 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 195 [2021-06-13 15:27:17,501 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 259 [2021-06-13 15:27:18,024 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 597 DAG size of output: 416 [2021-06-13 15:27:18,669 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 186 [2021-06-13 15:27:19,004 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 247 [2021-06-13 15:27:19,217 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 262 [2021-06-13 15:27:19,358 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 250 [2021-06-13 15:27:20,003 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 191 [2021-06-13 15:27:20,173 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 252 [2021-06-13 15:27:20,374 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 253 [2021-06-13 15:27:20,623 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 268 [2021-06-13 15:27:21,149 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 397 [2021-06-13 15:27:22,180 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 975 DAG size of output: 585 [2021-06-13 15:27:23,909 WARN L205 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 1575 DAG size of output: 971 [2021-06-13 15:27:24,841 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 336 [2021-06-13 15:27:25,214 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 355 [2021-06-13 15:27:25,486 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 339 [2021-06-13 15:27:26,584 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 308 [2021-06-13 15:27:26,724 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 322 [2021-06-13 15:27:27,294 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 597 DAG size of output: 379 [2021-06-13 15:27:27,581 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 401 [2021-06-13 15:27:27,935 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 639 DAG size of output: 412 [2021-06-13 15:27:28,802 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 371 DAG size of output: 290 [2021-06-13 15:27:28,971 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 324 [2021-06-13 15:27:29,189 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 334 [2021-06-13 15:27:29,822 WARN L205 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 866 DAG size of output: 570 [2021-06-13 15:27:31,161 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 282 [2021-06-13 15:27:31,418 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 386 [2021-06-13 15:27:31,822 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 444 [2021-06-13 15:27:32,851 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 1125 DAG size of output: 748 [2021-06-13 15:27:34,297 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1273 DAG size of output: 863 [2021-06-13 15:27:34,580 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 273 [2021-06-13 15:27:35,507 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 281 [2021-06-13 15:27:35,687 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 313 [2021-06-13 15:27:36,351 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 281 [2021-06-13 15:27:36,674 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 609 DAG size of output: 428 [2021-06-13 15:27:37,785 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 324 [2021-06-13 15:27:38,018 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 374 [2021-06-13 15:27:38,581 WARN L205 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 756 DAG size of output: 529 [2021-06-13 15:27:40,737 WARN L205 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 1662 DAG size of output: 1121 [2021-06-13 15:27:41,031 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 336 [2021-06-13 15:27:41,236 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 278 [2021-06-13 15:27:41,978 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 208 [2021-06-13 15:27:42,133 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 220 [2021-06-13 15:27:42,878 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 191 [2021-06-13 15:27:43,010 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 215 [2021-06-13 15:27:43,175 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 236 [2021-06-13 15:27:43,554 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 345 [2021-06-13 15:27:43,694 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 242 [2021-06-13 15:27:44,299 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 198 [2021-06-13 15:27:44,943 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 207 [2021-06-13 15:27:45,195 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 303 [2021-06-13 15:27:45,499 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 323 [2021-06-13 15:27:46,082 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 666 DAG size of output: 465 [2021-06-13 15:27:46,216 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 307 [2021-06-13 15:27:47,108 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 206 [2021-06-13 15:27:47,811 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 285 [2021-06-13 15:27:48,862 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 255 [2021-06-13 15:27:49,080 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 279 [2021-06-13 15:27:49,550 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 424 [2021-06-13 15:27:50,180 WARN L205 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 642 DAG size of output: 511 [2021-06-13 15:27:51,589 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1161 DAG size of output: 818 [2021-06-13 15:27:55,445 WARN L205 SmtUtils]: Spent 3.85 s on a formula simplification. DAG size of input: 2529 DAG size of output: 1673 [2021-06-13 15:28:00,053 WARN L205 SmtUtils]: Spent 4.60 s on a formula simplification. DAG size of input: 2885 DAG size of output: 1923 [2021-06-13 15:28:07,140 WARN L205 SmtUtils]: Spent 7.07 s on a formula simplification. DAG size of input: 4260 DAG size of output: 2683 [2021-06-13 15:28:15,353 WARN L205 SmtUtils]: Spent 8.20 s on a formula simplification. DAG size of input: 4417 DAG size of output: 2844 [2021-06-13 15:28:24,674 WARN L205 SmtUtils]: Spent 9.30 s on a formula simplification. DAG size of input: 4663 DAG size of output: 2936 [2021-06-13 15:28:25,305 WARN L205 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 626 [2021-06-13 15:28:26,128 WARN L205 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 525 [2021-06-13 15:28:26,793 WARN L205 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 490 [2021-06-13 15:28:27,550 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 304 [2021-06-13 15:28:28,453 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 464 [2021-06-13 15:28:28,656 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 479 DAG size of output: 470 [2021-06-13 15:28:29,009 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 813 DAG size of output: 655 [2021-06-13 15:28:29,249 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 221 [2021-06-13 15:28:30,369 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 181 [2021-06-13 15:28:30,923 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 179 [2021-06-13 15:28:31,163 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 241 [2021-06-13 15:28:31,458 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 244 [2021-06-13 15:28:31,881 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 287 [2021-06-13 15:28:32,831 WARN L205 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 681 [2021-06-13 15:28:33,878 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 428 DAG size of output: 584 [2021-06-13 15:28:34,773 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 499 [2021-06-13 15:28:34,952 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 324 [2021-06-13 15:28:35,109 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 322 [2021-06-13 15:28:35,912 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 201 [2021-06-13 15:28:36,670 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 286 [2021-06-13 15:28:37,614 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 214 [2021-06-13 15:28:37,774 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 256 [2021-06-13 15:28:38,557 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 347 [2021-06-13 15:28:39,183 WARN L205 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 524 [2021-06-13 15:28:40,607 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 266 [2021-06-13 15:28:42,439 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 188 [2021-06-13 15:28:42,557 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 191 [2021-06-13 15:28:42,754 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 262 [2021-06-13 15:28:43,077 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 355 [2021-06-13 15:28:43,511 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 397 [2021-06-13 15:28:44,237 WARN L205 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 559 [2021-06-13 15:28:45,683 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 977 DAG size of output: 792 [2021-06-13 15:28:47,191 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 1064 DAG size of output: 842 [2021-06-13 15:28:49,045 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 1243 DAG size of output: 920 [2021-06-13 15:28:51,293 WARN L205 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 1442 DAG size of output: 1089 [2021-06-13 15:28:51,880 WARN L205 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 457 [2021-06-13 15:28:52,165 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 383 [2021-06-13 15:28:52,543 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 429 [2021-06-13 15:28:53,303 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 239 [2021-06-13 15:28:53,432 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 249 [2021-06-13 15:28:54,011 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 207 [2021-06-13 15:28:54,301 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 344 [2021-06-13 15:28:54,694 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 395 [2021-06-13 15:28:56,013 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 202 [2021-06-13 15:28:56,248 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 332 [2021-06-13 15:28:56,584 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 381 [2021-06-13 15:28:56,944 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 401 [2021-06-13 15:28:57,680 WARN L205 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 692 DAG size of output: 593 [2021-06-13 15:28:58,078 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 444 [2021-06-13 15:28:58,995 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 233 [2021-06-13 15:28:59,166 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 245 [2021-06-13 15:28:59,833 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 345 [2021-06-13 15:29:00,246 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 398 [2021-06-13 15:29:00,987 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 217 [2021-06-13 15:29:01,630 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 245 [2021-06-13 15:29:01,916 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 344 [2021-06-13 15:29:02,321 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 397 [2021-06-13 15:29:03,098 WARN L205 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 601 [2021-06-13 15:29:04,483 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 1077 DAG size of output: 809 [2021-06-13 15:29:06,111 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 1165 DAG size of output: 847 [2021-06-13 15:29:10,507 WARN L205 SmtUtils]: Spent 4.39 s on a formula simplification. DAG size of input: 2290 DAG size of output: 1526 [2021-06-13 15:29:16,469 WARN L205 SmtUtils]: Spent 5.95 s on a formula simplification. DAG size of input: 3340 DAG size of output: 2063 [2021-06-13 15:29:23,600 WARN L205 SmtUtils]: Spent 7.12 s on a formula simplification. DAG size of input: 3491 DAG size of output: 2236 [2021-06-13 15:29:31,723 WARN L205 SmtUtils]: Spent 8.11 s on a formula simplification. DAG size of input: 3713 DAG size of output: 2317 [2021-06-13 15:29:49,916 WARN L205 SmtUtils]: Spent 18.17 s on a formula simplification. DAG size of input: 7370 DAG size of output: 4532 [2021-06-13 15:30:12,227 WARN L205 SmtUtils]: Spent 22.28 s on a formula simplification. DAG size of input: 7654 DAG size of output: 4652 [2021-06-13 15:30:34,525 WARN L205 SmtUtils]: Spent 22.27 s on a formula simplification. DAG size of input: 7654 DAG size of output: 4652 [2021-06-13 15:30:59,519 WARN L205 SmtUtils]: Spent 24.97 s on a formula simplification. DAG size of input: 7669 DAG size of output: 4667 [2021-06-13 15:31:00,301 WARN L205 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 4661 [2021-06-13 15:31:27,781 WARN L205 SmtUtils]: Spent 27.46 s on a formula simplification. DAG size of input: 4663 DAG size of output: 6220 [2021-06-13 15:31:37,706 WARN L205 SmtUtils]: Spent 9.88 s on a formula simplification. DAG size of input: 4573 DAG size of output: 4534 [2021-06-13 15:32:00,459 WARN L205 SmtUtils]: Spent 22.72 s on a formula simplification. DAG size of input: 4531 DAG size of output: 4865 [2021-06-13 15:32:15,307 WARN L205 SmtUtils]: Spent 14.82 s on a formula simplification. DAG size of input: 3153 DAG size of output: 3275 [2021-06-13 15:32:25,305 WARN L205 SmtUtils]: Spent 9.98 s on a formula simplification. DAG size of input: 3100 DAG size of output: 3091 [2021-06-13 15:32:42,880 WARN L205 SmtUtils]: Spent 17.56 s on a formula simplification. DAG size of input: 2740 DAG size of output: 4110 [2021-06-13 15:32:43,791 WARN L205 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 2692 DAG size of output: 2692 [2021-06-13 15:32:44,066 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 256 [2021-06-13 15:32:44,535 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 1341 [2021-06-13 15:32:44,825 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 1234 [2021-06-13 15:32:44,962 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2021-06-13 15:32:45,105 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 668 DAG size of output: 668 [2021-06-13 15:32:45,231 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 635 DAG size of output: 635 [2021-06-13 15:32:46,642 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 685 [2021-06-13 15:32:47,209 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 596 DAG size of output: 558 [2021-06-13 15:32:48,285 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 189 [2021-06-13 15:32:48,514 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 318 [2021-06-13 15:32:48,867 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 429 [2021-06-13 15:32:49,331 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 846 DAG size of output: 502 [2021-06-13 15:32:49,721 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 450 [2021-06-13 15:32:50,182 WARN L205 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 1736 DAG size of output: 1736 [2021-06-13 15:32:50,398 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 1598 [2021-06-13 15:32:50,726 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 1498 [2021-06-13 15:32:50,996 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 1220 DAG size of output: 1220 [2021-06-13 15:32:51,457 WARN L205 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 1076 DAG size of output: 852 [2021-06-13 15:32:51,994 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 705 [2021-06-13 15:32:52,941 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 197 [2021-06-13 15:32:53,908 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 487 DAG size of output: 313 [2021-06-13 15:32:54,190 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 375 [2021-06-13 15:32:56,047 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 357 [2021-06-13 15:32:57,478 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 227 [2021-06-13 15:32:58,283 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 231 [2021-06-13 15:32:58,543 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 391 [2021-06-13 15:32:59,052 WARN L205 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 871 DAG size of output: 621 [2021-06-13 15:33:00,004 WARN L205 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 1446 DAG size of output: 922 [2021-06-13 15:33:01,145 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 1728 DAG size of output: 970 [2021-06-13 15:33:02,271 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 1758 DAG size of output: 839 [2021-06-13 15:33:02,531 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 283 [2021-06-13 15:33:04,442 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 1922 DAG size of output: 903 [2021-06-13 15:33:06,392 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 2598 DAG size of output: 1165 [2021-06-13 15:33:12,325 WARN L205 SmtUtils]: Spent 5.92 s on a formula simplification. DAG size of input: 4518 DAG size of output: 2219 [2021-06-13 15:33:13,076 WARN L205 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 525 [2021-06-13 15:33:13,439 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 477 [2021-06-13 15:33:14,372 WARN L205 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 729 [2021-06-13 15:33:14,645 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 468 DAG size of output: 338 [2021-06-13 15:33:15,355 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 273 [2021-06-13 15:33:15,624 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 279 [2021-06-13 15:33:15,960 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 325 [2021-06-13 15:33:22,860 WARN L205 SmtUtils]: Spent 6.89 s on a formula simplification. DAG size of input: 4961 DAG size of output: 2195 [2021-06-13 15:33:31,165 WARN L205 SmtUtils]: Spent 8.29 s on a formula simplification. DAG size of input: 5328 DAG size of output: 2407 [2021-06-13 15:33:41,782 WARN L205 SmtUtils]: Spent 10.60 s on a formula simplification. DAG size of input: 6680 DAG size of output: 2674 [2021-06-13 15:33:53,537 WARN L205 SmtUtils]: Spent 11.72 s on a formula simplification. DAG size of input: 6693 DAG size of output: 2686 [2021-06-13 15:34:07,747 WARN L205 SmtUtils]: Spent 14.18 s on a formula simplification. DAG size of input: 8215 DAG size of output: 3079 [2021-06-13 15:34:21,871 WARN L205 SmtUtils]: Spent 14.09 s on a formula simplification. DAG size of input: 8215 DAG size of output: 3079 [2021-06-13 15:34:38,601 WARN L205 SmtUtils]: Spent 16.68 s on a formula simplification. DAG size of input: 8225 DAG size of output: 3069 [2021-06-13 15:34:51,929 WARN L205 SmtUtils]: Spent 13.31 s on a formula simplification. DAG size of input: 3054 DAG size of output: 3247 [2021-06-13 15:34:57,946 WARN L205 SmtUtils]: Spent 5.98 s on a formula simplification. DAG size of input: 2778 DAG size of output: 2144 [2021-06-13 15:35:02,825 WARN L205 SmtUtils]: Spent 4.86 s on a formula simplification. DAG size of input: 1921 DAG size of output: 2107 [2021-06-13 15:35:07,244 WARN L205 SmtUtils]: Spent 4.41 s on a formula simplification. DAG size of input: 1844 DAG size of output: 1869 [2021-06-13 15:35:07,451 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 1774 [2021-06-13 15:35:07,632 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 1623 [2021-06-13 15:35:07,829 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 271 [2021-06-13 15:35:08,416 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 234 [2021-06-13 15:35:08,908 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 302 [2021-06-13 15:35:09,069 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 1442 [2021-06-13 15:35:09,381 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 262 [2021-06-13 15:35:09,561 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 233 [2021-06-13 15:35:10,398 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 1292 DAG size of output: 1292 [2021-06-13 15:35:10,620 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 265 [2021-06-13 15:35:10,893 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 204 [2021-06-13 15:35:11,084 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 214 [2021-06-13 15:35:12,139 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 1104 DAG size of output: 1104 [2021-06-13 15:35:12,864 WARN L205 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 490 [2021-06-13 15:35:13,891 WARN L205 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 509 [2021-06-13 15:35:14,485 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 338 [2021-06-13 15:35:14,777 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 441 [2021-06-13 15:35:15,178 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 535 [2021-06-13 15:35:15,288 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 624 DAG size of output: 624 [2021-06-13 15:35:15,892 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 353 [2021-06-13 15:35:16,476 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 193 [2021-06-13 15:35:16,592 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 204 [2021-06-13 15:35:16,732 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 216 [2021-06-13 15:35:17,385 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 291 [2021-06-13 15:35:18,146 WARN L205 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 1185 DAG size of output: 751 [2021-06-13 15:35:19,256 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 1369 DAG size of output: 911 [2021-06-13 15:35:20,487 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 1497 DAG size of output: 994 [2021-06-13 15:35:21,939 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1806 DAG size of output: 1194 [2021-06-13 15:35:22,137 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 248 [2021-06-13 15:35:22,328 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 207 [2021-06-13 15:35:22,628 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 232 [2021-06-13 15:35:23,217 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 169 [2021-06-13 15:35:23,356 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 207 [2021-06-13 15:35:23,510 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 223 [2021-06-13 15:35:25,166 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 2038 DAG size of output: 1341 [2021-06-13 15:35:27,263 WARN L205 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 2187 DAG size of output: 1400 [2021-06-13 15:35:30,389 WARN L205 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 2655 DAG size of output: 1823 [2021-06-13 15:35:34,375 WARN L205 SmtUtils]: Spent 3.97 s on a formula simplification. DAG size of input: 2932 DAG size of output: 2078 [2021-06-13 15:35:39,434 WARN L205 SmtUtils]: Spent 5.04 s on a formula simplification. DAG size of input: 3415 DAG size of output: 2208 [2021-06-13 15:35:45,164 WARN L205 SmtUtils]: Spent 5.71 s on a formula simplification. DAG size of input: 3441 DAG size of output: 2213 [2021-06-13 15:35:50,874 WARN L205 SmtUtils]: Spent 5.69 s on a formula simplification. DAG size of input: 3441 DAG size of output: 2213 [2021-06-13 15:35:57,081 WARN L205 SmtUtils]: Spent 6.20 s on a formula simplification. DAG size of input: 3444 DAG size of output: 2217 [2021-06-13 15:35:57,328 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 2213 [2021-06-13 15:35:57,826 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 2213 DAG size of output: 2213 [2021-06-13 15:35:58,062 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 2208 [2021-06-13 15:36:02,759 WARN L205 SmtUtils]: Spent 4.69 s on a formula simplification. DAG size of input: 2078 DAG size of output: 1870 [2021-06-13 15:36:03,038 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 1107 [2021-06-13 15:36:04,971 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 1010 DAG size of output: 875 [2021-06-13 15:36:05,490 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 416 [2021-06-13 15:36:05,673 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 188 [2021-06-13 15:36:06,135 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 197 [2021-06-13 15:36:07,202 WARN L205 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 529 [2021-06-13 15:36:07,376 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 289 [2021-06-13 15:36:07,974 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 258 [2021-06-13 15:36:08,676 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 286 [2021-06-13 15:36:08,923 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 593 DAG size of output: 383 [2021-06-13 15:36:09,099 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 947 DAG size of output: 945 [2021-06-13 15:36:10,445 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 789 DAG size of output: 735 [2021-06-13 15:36:11,019 WARN L205 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 547 [2021-06-13 15:36:11,510 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 537 DAG size of output: 464 [2021-06-13 15:36:12,200 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 242 [2021-06-13 15:36:12,355 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 252 [2021-06-13 15:36:12,667 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 239 [2021-06-13 15:36:13,317 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 315 [2021-06-13 15:36:13,457 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 196 [2021-06-13 15:36:13,873 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 582 DAG size of output: 346 [2021-06-13 15:36:14,182 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 589 DAG size of output: 350 [2021-06-13 15:36:14,739 WARN L205 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 574 [2021-06-13 15:36:15,036 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 292 [2021-06-13 15:36:15,180 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 195 [2021-06-13 15:36:15,920 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 213 [2021-06-13 15:36:16,064 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 199 [2021-06-13 15:36:17,380 WARN L205 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 1288 DAG size of output: 687 [2021-06-13 15:36:18,318 WARN L205 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 1291 DAG size of output: 686 [2021-06-13 15:36:19,271 WARN L205 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 1291 DAG size of output: 686 [2021-06-13 15:36:20,238 WARN L205 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 1297 DAG size of output: 692 [2021-06-13 15:36:20,573 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 491 [2021-06-13 15:36:21,112 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 304 [2021-06-13 15:36:21,425 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 355 [2021-06-13 15:36:21,799 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 360 [2021-06-13 15:36:22,172 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 360 [2021-06-13 15:36:22,570 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 363 [2021-06-13 15:36:22,863 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 365 [2021-06-13 15:36:22,999 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 248 [2021-06-13 15:36:23,861 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 15:36:23,862 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 15:36:23,863 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 15:36:23,863 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:3 [2021-06-13 15:36:23,868 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:36:23,868 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1712576119] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:36:23,868 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 15:36:23,868 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 20] total 32 [2021-06-13 15:36:23,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476451448] [2021-06-13 15:36:23,868 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-06-13 15:36:23,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 15:36:23,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-06-13 15:36:23,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=975, Unknown=0, NotChecked=0, Total=1056 [2021-06-13 15:36:23,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:36:23,869 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 15:36:23,869 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 1.4848484848484849) internal successors, (49), 32 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 15:36:23,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:36:23,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:36:23,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:36:23,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:36:23,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 15:36:23,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 15:36:23,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-13 15:36:23,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:36:23,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-13 15:36:23,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 15:36:23,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-13 15:36:23,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-13 15:36:23,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-13 15:36:23,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-13 15:36:23,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:36:24,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:36:24,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:36:24,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:36:24,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:36:24,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 15:36:24,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 15:36:24,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-13 15:36:24,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:36:24,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 15:36:24,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 15:36:24,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-13 15:36:24,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-13 15:36:24,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 15:36:24,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-13 15:36:24,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-13 15:36:24,217 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1343 [2021-06-13 15:36:24,217 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 15:36:24,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 15:36:24,217 INFO L82 PathProgramCache]: Analyzing trace with hash 568831430, now seen corresponding path program 14 times [2021-06-13 15:36:24,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 15:36:24,217 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151277009] [2021-06-13 15:36:24,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 15:36:24,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:36:24,425 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 78 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:36:24,426 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 15:36:24,426 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151277009] [2021-06-13 15:36:24,426 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151277009] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:36:24,426 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [744616401] [2021-06-13 15:36:24,426 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 15:36:24,461 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-13 15:36:24,462 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 15:36:24,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-13 15:36:24,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 15:36:24,538 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 91 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:36:24,538 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [744616401] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:36:24,538 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 15:36:24,538 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 23 [2021-06-13 15:36:24,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713617546] [2021-06-13 15:36:24,539 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-13 15:36:24,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 15:36:24,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-13 15:36:24,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=394, Unknown=0, NotChecked=0, Total=552 [2021-06-13 15:36:24,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:36:24,539 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 15:36:24,539 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 15:36:24,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:36:24,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:36:24,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:36:24,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:36:24,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 15:36:24,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 15:36:24,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-13 15:36:24,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:36:24,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-13 15:36:24,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 15:36:24,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-13 15:36:24,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-13 15:36:24,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-13 15:36:24,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-13 15:36:24,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-13 15:36:24,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 15:36:24,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 15:36:24,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:36:24,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 15:36:24,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 15:36:24,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 15:36:24,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 15:36:24,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-13 15:36:24,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 15:36:24,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 15:36:24,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 15:36:24,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-13 15:36:24,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-13 15:36:24,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 15:36:24,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-13 15:36:24,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-13 15:36:24,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-13 15:36:25,105 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11576 [2021-06-13 15:36:25,105 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 15:36:25,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 15:36:25,105 INFO L82 PathProgramCache]: Analyzing trace with hash 476976847, now seen corresponding path program 15 times [2021-06-13 15:36:25,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 15:36:25,106 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125660088] [2021-06-13 15:36:25,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 15:36:25,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 15:36:25,276 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 15:36:25,277 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 15:36:25,277 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125660088] [2021-06-13 15:36:25,277 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125660088] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 15:36:25,277 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [455436498] [2021-06-13 15:36:25,277 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 15:36:25,323 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-06-13 15:36:25,323 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 15:36:25,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 49 conjunts are in the unsatisfiable core [2021-06-13 15:36:25,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 15:36:26,448 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2021-06-13 15:36:26,449 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 15:36:26,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 27 new quantified variables, introduced 91 case distinctions, treesize of input 63 treesize of output 774 [2021-06-13 15:36:27,544 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 301 [2021-06-13 15:36:27,739 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 334 [2021-06-13 15:36:27,990 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 363 [2021-06-13 15:36:29,343 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 673 DAG size of output: 609 [2021-06-13 15:36:29,639 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 701 DAG size of output: 636 [2021-06-13 15:36:30,270 WARN L205 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 912 [2021-06-13 15:36:31,074 WARN L205 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 1137 DAG size of output: 937 [2021-06-13 15:36:32,035 WARN L205 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 1169 DAG size of output: 969 [2021-06-13 15:36:33,233 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 1200 DAG size of output: 1000 [2021-06-13 15:36:34,645 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1232 DAG size of output: 1032 [2021-06-13 15:36:35,890 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 235 [2021-06-13 15:36:36,044 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 256 [2021-06-13 15:36:36,225 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 289 [2021-06-13 15:36:36,433 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 412 DAG size of output: 321 [2021-06-13 15:36:36,675 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 354 [2021-06-13 15:36:38,560 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 1480 DAG size of output: 1192 [2021-06-13 15:36:39,941 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 657 DAG size of output: 593 [2021-06-13 15:36:41,270 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 589 [2021-06-13 15:36:41,789 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 1250 DAG size of output: 1122 [2021-06-13 15:36:42,478 WARN L205 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 1279 DAG size of output: 1150 [2021-06-13 15:36:43,347 WARN L205 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 1310 DAG size of output: 1181 [2021-06-13 15:36:44,411 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1340 DAG size of output: 1211 [2021-06-13 15:36:45,790 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1369 DAG size of output: 1239 [2021-06-13 15:36:47,270 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 460 DAG size of output: 316 [2021-06-13 15:36:47,475 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 348 [2021-06-13 15:36:47,734 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 523 DAG size of output: 375 [2021-06-13 15:36:48,042 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 406 [2021-06-13 15:36:48,391 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 436 [2021-06-13 15:36:50,393 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 1800 DAG size of output: 1526 [2021-06-13 15:36:52,742 WARN L205 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 1831 DAG size of output: 1557 [2021-06-13 15:36:57,334 WARN L205 SmtUtils]: Spent 4.58 s on a formula simplification. DAG size of input: 3112 DAG size of output: 2563 [2021-06-13 15:37:02,498 WARN L205 SmtUtils]: Spent 5.15 s on a formula simplification. DAG size of input: 3143 DAG size of output: 2594 [2021-06-13 15:37:08,233 WARN L205 SmtUtils]: Spent 5.72 s on a formula simplification. DAG size of input: 3171 DAG size of output: 2622 [2021-06-13 15:37:14,635 WARN L205 SmtUtils]: Spent 6.39 s on a formula simplification. DAG size of input: 3200 DAG size of output: 2649 [2021-06-13 15:37:21,899 WARN L205 SmtUtils]: Spent 7.25 s on a formula simplification. DAG size of input: 3246 DAG size of output: 2693 [2021-06-13 15:37:23,169 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 234 [2021-06-13 15:37:23,319 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 262 [2021-06-13 15:37:23,502 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 295 [2021-06-13 15:37:23,701 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 327 [2021-06-13 15:37:25,106 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 610 [2021-06-13 15:37:26,178 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 302 [2021-06-13 15:37:26,377 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 335 [2021-06-13 15:37:26,873 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 881 [2021-06-13 15:37:27,517 WARN L205 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 1104 DAG size of output: 911 [2021-06-13 15:37:28,324 WARN L205 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 1136 DAG size of output: 943 [2021-06-13 15:37:29,287 WARN L205 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 1168 DAG size of output: 975 [2021-06-13 15:37:30,503 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 1199 DAG size of output: 1006 [2021-06-13 15:37:32,171 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 1441 DAG size of output: 1168 [2021-06-13 15:37:34,094 WARN L205 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 1474 DAG size of output: 1201 [2021-06-13 15:37:35,165 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 302 [2021-06-13 15:37:35,364 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 335 [2021-06-13 15:37:35,608 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 493 DAG size of output: 364 [2021-06-13 15:37:36,750 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 304 [2021-06-13 15:37:36,969 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 339 [2021-06-13 15:37:37,235 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 499 DAG size of output: 370 [2021-06-13 15:37:37,824 WARN L205 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 890 DAG size of output: 633 [2021-06-13 15:37:38,528 WARN L205 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 923 DAG size of output: 659 [2021-06-13 15:37:39,370 WARN L205 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 957 DAG size of output: 693 [2021-06-13 15:37:40,370 WARN L205 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 990 DAG size of output: 726 [2021-06-13 15:37:41,498 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 1024 DAG size of output: 760 [2021-06-13 15:37:43,576 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1051 DAG size of output: 779 [2021-06-13 15:37:47,036 WARN L205 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 2305 DAG size of output: 1755 [2021-06-13 15:37:51,005 WARN L205 SmtUtils]: Spent 3.96 s on a formula simplification. DAG size of input: 2338 DAG size of output: 1788 [2021-06-13 15:37:55,290 WARN L205 SmtUtils]: Spent 4.27 s on a formula simplification. DAG size of input: 2368 DAG size of output: 1818 [2021-06-13 15:38:00,093 WARN L205 SmtUtils]: Spent 4.79 s on a formula simplification. DAG size of input: 2399 DAG size of output: 1847 [2021-06-13 15:38:13,315 WARN L205 SmtUtils]: Spent 13.21 s on a formula simplification. DAG size of input: 5327 DAG size of output: 4237 [2021-06-13 15:38:28,020 WARN L205 SmtUtils]: Spent 14.68 s on a formula simplification. DAG size of input: 5355 DAG size of output: 4263 [2021-06-13 15:38:42,844 WARN L205 SmtUtils]: Spent 14.80 s on a formula simplification. DAG size of input: 5355 DAG size of output: 4263 [2021-06-13 15:38:59,825 WARN L205 SmtUtils]: Spent 16.96 s on a formula simplification. DAG size of input: 5378 DAG size of output: 4286 [2021-06-13 15:39:28,211 WARN L205 SmtUtils]: Spent 28.36 s on a formula simplification. DAG size of input: 4288 DAG size of output: 5230 [2021-06-13 15:40:01,175 WARN L205 SmtUtils]: Spent 32.93 s on a formula simplification. DAG size of input: 4282 DAG size of output: 6377 [2021-06-13 15:40:01,680 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 4274 [2021-06-13 15:40:02,868 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 222 [2021-06-13 15:40:03,080 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 309 [2021-06-13 15:40:03,338 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 334 [2021-06-13 15:40:03,981 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 231 [2021-06-13 15:40:04,111 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 256 [2021-06-13 15:40:04,696 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 221 [2021-06-13 15:40:04,814 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 244 [2021-06-13 15:40:05,090 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 352 [2021-06-13 15:40:05,415 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 375 [2021-06-13 15:40:06,090 WARN L205 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 657 DAG size of output: 545 [2021-06-13 15:40:06,766 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 240 [2021-06-13 15:40:07,349 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 228 [2021-06-13 15:40:07,473 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 250 [2021-06-13 15:40:07,738 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 346 [2021-06-13 15:40:08,823 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 212 [2021-06-13 15:40:09,028 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 299 [2021-06-13 15:40:09,577 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 618 DAG size of output: 516 [2021-06-13 15:40:10,231 WARN L205 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 643 DAG size of output: 538 [2021-06-13 15:40:11,563 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1114 DAG size of output: 848 [2021-06-13 15:40:12,179 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 248 [2021-06-13 15:40:12,921 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 340 [2021-06-13 15:40:13,990 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 275 [2021-06-13 15:40:14,469 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 481 [2021-06-13 15:40:15,039 WARN L205 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 501 [2021-06-13 15:40:15,703 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 256 [2021-06-13 15:40:16,248 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 245 [2021-06-13 15:40:16,507 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 349 [2021-06-13 15:40:16,814 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 370 [2021-06-13 15:40:17,931 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 287 [2021-06-13 15:40:18,137 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 307 [2021-06-13 15:40:18,737 WARN L205 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 514 [2021-06-13 15:40:19,931 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 926 DAG size of output: 806 [2021-06-13 15:40:22,758 WARN L205 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 1850 DAG size of output: 1449 [2021-06-13 15:40:25,929 WARN L205 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 1896 DAG size of output: 1472 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown