/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-5.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 20:53:46,751 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 20:53:46,752 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 20:53:46,776 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 20:53:46,837 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-DelaySleep-NoLbe-Random521.epf [2021-06-06 20:53:46,866 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 20:53:46,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 20:53:46,867 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 20:53:46,867 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 20:53:46,868 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 20:53:46,868 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 20:53:46,868 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 20:53:46,868 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 20:53:46,869 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 20:53:46,869 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 20:53:46,869 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 20:53:46,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 20:53:46,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 20:53:46,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 20:53:46,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 20:53:46,869 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 20:53:46,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 20:53:46,870 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 20:53:46,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 20:53:46,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 20:53:46,870 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 20:53:46,870 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 20:53:46,870 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 20:53:46,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 20:53:46,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 20:53:46,870 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 20:53:46,870 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 20:53:46,871 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 20:53:46,871 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 20:53:46,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 20:53:46,871 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 20:53:46,871 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 20:53:46,871 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 20:53:46,871 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 20:53:46,871 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 20:53:46,871 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 20:53:47,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 20:53:47,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 20:53:47,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 20:53:47,214 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 20:53:47,215 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 20:53:47,215 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-5.wvr.bpl [2021-06-06 20:53:47,216 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-5.wvr.bpl' [2021-06-06 20:53:47,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 20:53:47,256 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 20:53:47,258 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 20:53:47,258 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 20:53:47,258 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 20:53:47,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:53:47" (1/1) ... [2021-06-06 20:53:47,279 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:53:47" (1/1) ... [2021-06-06 20:53:47,285 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 20:53:47,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 20:53:47,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 20:53:47,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 20:53:47,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:53:47" (1/1) ... [2021-06-06 20:53:47,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:53:47" (1/1) ... [2021-06-06 20:53:47,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:53:47" (1/1) ... [2021-06-06 20:53:47,305 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:53:47" (1/1) ... [2021-06-06 20:53:47,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:53:47" (1/1) ... [2021-06-06 20:53:47,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:53:47" (1/1) ... [2021-06-06 20:53:47,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:53:47" (1/1) ... [2021-06-06 20:53:47,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 20:53:47,317 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 20:53:47,317 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 20:53:47,317 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 20:53:47,319 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:53:47" (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 [2021-06-06 20:53:47,389 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 20:53:47,390 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 20:53:47,390 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 20:53:47,390 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 20:53:47,390 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 20:53:47,390 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 20:53:47,390 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 20:53:47,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 20:53:47,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 20:53:47,391 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 20:53:47,837 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 20:53:47,837 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-06-06 20:53:47,837 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-06 20:53:47,839 INFO L202 PluginConnector]: Adding new model unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 08:53:47 BoogieIcfgContainer [2021-06-06 20:53:47,839 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 20:53:47,840 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 20:53:47,840 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 20:53:47,842 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 20:53:47,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:53:47" (1/2) ... [2021-06-06 20:53:47,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bf4ca6b and model type unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 08:53:47, skipping insertion in model container [2021-06-06 20:53:47,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 08:53:47" (2/2) ... [2021-06-06 20:53:47,845 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-5.wvr.bpl [2021-06-06 20:53:47,854 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 20:53:47,854 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 20:53:47,854 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 20:53:47,855 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 20:53:47,894 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-06 20:53:47,913 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 [2021-06-06 20:53:47,969 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 20:53:47,969 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 20:53:47,970 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 20:53:47,970 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 20:53:47,970 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 20:53:47,970 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 20:53:47,970 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 20:53:47,971 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 20:53:47,998 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:53:48,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:53:48,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1613321831, now seen corresponding path program 1 times [2021-06-06 20:53:48,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:53:48,010 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292745778] [2021-06-06 20:53:48,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:53:48,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:53:48,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:53:48,209 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:53:48,209 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292745778] [2021-06-06 20:53:48,210 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292745778] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 20:53:48,210 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 20:53:48,210 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 20:53:48,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206066749] [2021-06-06 20:53:48,214 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-06 20:53:48,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:53:48,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-06 20:53:48,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-06 20:53:48,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:53:48,227 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:53:48,228 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:53:48,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:53:48,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:53:48,254 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 20:53:48,254 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:53:48,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:53:48,255 INFO L82 PathProgramCache]: Analyzing trace with hash 639451515, now seen corresponding path program 1 times [2021-06-06 20:53:48,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:53:48,255 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293253429] [2021-06-06 20:53:48,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:53:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:53:49,826 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 5498 DAG size of output: 50 [2021-06-06 20:53:49,999 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 35 [2021-06-06 20:53:50,018 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:53:50,018 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:53:50,018 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293253429] [2021-06-06 20:53:50,019 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293253429] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:53:50,019 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839999119] [2021-06-06 20:53:50,019 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 [2021-06-06 20:53:50,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:53:50,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-06 20:53:50,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:53:51,520 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 2127 DAG size of output: 38 [2021-06-06 20:53:51,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-06 20:53:51,586 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 20:53:51,604 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:53:51,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 15 treesize of output 37 [2021-06-06 20:53:51,645 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-06 20:53:51,656 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:53:51,657 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 13 treesize of output 18 [2021-06-06 20:53:51,659 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-06 20:53:51,688 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:53:51,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 17 treesize of output 64 [2021-06-06 20:53:51,764 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-06-06 20:53:51,829 INFO L628 ElimStorePlain]: treesize reduction 61, result has 26.5 percent of original size [2021-06-06 20:53:51,831 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 20:53:51,831 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:108, output treesize:22 [2021-06-06 20:53:51,886 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:53:51,887 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [839999119] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:53:51,887 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:53:51,887 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-06-06 20:53:51,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316941087] [2021-06-06 20:53:51,888 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-06 20:53:51,888 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:53:51,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-06 20:53:51,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-06-06 20:53:51,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:53:51,896 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:53:51,896 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:53:51,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:53:51,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:53:51,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:53:51,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:53:52,161 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:53:52,161 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:53:52,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:53:52,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1755948505, now seen corresponding path program 2 times [2021-06-06 20:53:52,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:53:52,162 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621851958] [2021-06-06 20:53:52,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:53:52,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:53:53,353 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 2941 DAG size of output: 54 [2021-06-06 20:53:53,494 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 29 [2021-06-06 20:53:55,207 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 5612 DAG size of output: 47 [2021-06-06 20:53:55,295 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:53:55,296 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:53:55,296 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621851958] [2021-06-06 20:53:55,297 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621851958] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:53:55,297 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1647074736] [2021-06-06 20:53:55,297 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:53:55,333 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 20:53:55,334 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 20:53:55,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-06 20:53:55,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:53:56,292 WARN L205 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 2127 DAG size of output: 32 [2021-06-06 20:53:56,339 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:53:56,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 17 treesize of output 37 [2021-06-06 20:53:56,364 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-06-06 20:53:56,400 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:53:56,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 19 treesize of output 64 [2021-06-06 20:53:56,463 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-06 20:53:56,469 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:53:56,469 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 [2021-06-06 20:53:56,472 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 20:53:56,528 INFO L628 ElimStorePlain]: treesize reduction 28, result has 53.3 percent of original size [2021-06-06 20:53:56,529 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 20:53:56,529 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:85, output treesize:32 [2021-06-06 20:53:56,584 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:53:56,584 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1647074736] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:53:56,584 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:53:56,584 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-06 20:53:56,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115363740] [2021-06-06 20:53:56,585 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 20:53:56,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:53:56,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 20:53:56,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-06-06 20:53:56,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:53:56,586 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:53:56,586 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:53:56,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:53:56,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:53:56,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:53:56,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:53:56,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:53:56,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:53:56,846 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-06-06 20:53:56,847 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:53:56,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:53:56,847 INFO L82 PathProgramCache]: Analyzing trace with hash 2007616827, now seen corresponding path program 3 times [2021-06-06 20:53:56,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:53:56,847 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871348276] [2021-06-06 20:53:56,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:53:56,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:53:57,438 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 2845 DAG size of output: 42 [2021-06-06 20:53:58,426 WARN L205 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 5510 DAG size of output: 25 [2021-06-06 20:53:58,492 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:53:58,493 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:53:58,493 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871348276] [2021-06-06 20:53:58,493 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871348276] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:53:58,493 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1054726893] [2021-06-06 20:53:58,493 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:53:58,518 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-06 20:53:58,519 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 20:53:58,519 WARN L261 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-06 20:53:58,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:53:59,505 WARN L205 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 2127 DAG size of output: 25 [2021-06-06 20:53:59,528 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:53:59,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-06-06 20:53:59,550 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 20:53:59,569 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:53:59,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 21 treesize of output 64 [2021-06-06 20:53:59,594 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 3 xjuncts. [2021-06-06 20:53:59,614 INFO L628 ElimStorePlain]: treesize reduction 18, result has 50.0 percent of original size [2021-06-06 20:53:59,615 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 20:53:59,615 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:59, output treesize:18 [2021-06-06 20:53:59,646 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:53:59,646 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1054726893] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:53:59,646 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:53:59,646 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-06-06 20:53:59,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886893211] [2021-06-06 20:53:59,647 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-06 20:53:59,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:53:59,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-06 20:53:59,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-06-06 20:53:59,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:53:59,648 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:53:59,648 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 12 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) [2021-06-06 20:53:59,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:53:59,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:53:59,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:53:59,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:53:59,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:53:59,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:53:59,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:53:59,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:53:59,944 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:53:59,945 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:53:59,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:53:59,946 INFO L82 PathProgramCache]: Analyzing trace with hash 1219400217, now seen corresponding path program 4 times [2021-06-06 20:53:59,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:53:59,946 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309247488] [2021-06-06 20:53:59,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:53:59,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:54:00,484 WARN L205 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 2844 DAG size of output: 41 [2021-06-06 20:54:01,366 WARN L205 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 5510 DAG size of output: 14 [2021-06-06 20:54:01,399 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:54:01,399 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:54:01,399 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309247488] [2021-06-06 20:54:01,399 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309247488] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:54:01,399 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [287563303] [2021-06-06 20:54:01,399 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 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 [2021-06-06 20:54:01,429 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 20:54:01,429 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 20:54:01,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-06 20:54:01,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:54:05,010 WARN L205 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 5724 DAG size of output: 48 [2021-06-06 20:54:05,075 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:54:05,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-06-06 20:54:05,113 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 20:54:05,115 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:54:05,115 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 20:54:05,115 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-06-06 20:54:05,123 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:54:05,123 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [287563303] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:54:05,123 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:54:05,123 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-06-06 20:54:05,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975723617] [2021-06-06 20:54:05,124 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-06 20:54:05,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:54:05,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-06 20:54:05,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-06-06 20:54:05,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:54:05,125 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:54:05,126 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 12 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) [2021-06-06 20:54:05,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:54:05,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:54:05,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:54:05,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:54:05,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:54:05,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:54:05,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:54:05,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:54:05,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:54:05,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:54:05,469 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:54:05,470 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:54:05,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:54:05,470 INFO L82 PathProgramCache]: Analyzing trace with hash -1740478213, now seen corresponding path program 5 times [2021-06-06 20:54:05,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:54:05,470 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352085664] [2021-06-06 20:54:05,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:54:05,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:54:05,543 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:54:05,543 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:54:05,543 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352085664] [2021-06-06 20:54:05,543 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352085664] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:54:05,543 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2140977164] [2021-06-06 20:54:05,543 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 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 [2021-06-06 20:54:05,574 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-06 20:54:05,574 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 20:54:05,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 20:54:05,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:54:05,620 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:54:05,620 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2140977164] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 20:54:05,620 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-06 20:54:05,620 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2021-06-06 20:54:05,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020495828] [2021-06-06 20:54:05,621 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 20:54:05,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:54:05,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 20:54:05,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-06-06 20:54:05,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:54:05,621 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:54:05,622 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 7 states have internal predecessors, (15), 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) [2021-06-06 20:54:05,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:54:05,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:54:05,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:54:05,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:54:05,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:54:05,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:54:05,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:54:05,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:54:05,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:54:05,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:54:05,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:54:05,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:54:05,880 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:54:05,881 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:54:05,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:54:05,881 INFO L82 PathProgramCache]: Analyzing trace with hash -807014504, now seen corresponding path program 1 times [2021-06-06 20:54:05,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:54:05,882 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627371387] [2021-06-06 20:54:05,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:54:05,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:54:05,934 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:54:05,935 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:54:05,935 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627371387] [2021-06-06 20:54:05,935 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627371387] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:54:05,935 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028366969] [2021-06-06 20:54:05,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-06-06 20:54:05,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:54:05,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 20:54:05,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:54:05,998 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:54:05,998 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1028366969] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:54:05,998 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:54:05,998 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-06-06 20:54:05,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736896420] [2021-06-06 20:54:05,999 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-06 20:54:05,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:54:05,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-06 20:54:05,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-06-06 20:54:06,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:54:06,000 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:54:06,000 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:54:06,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:54:06,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:54:06,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:54:06,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:54:06,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:54:06,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:54:06,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:54:06,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:54:06,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:54:06,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:54:06,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:54:06,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:54:06,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:54:06,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 20:54:06,272 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable68 [2021-06-06 20:54:06,273 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:54:06,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:54:06,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1926034678, now seen corresponding path program 2 times [2021-06-06 20:54:06,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:54:06,273 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613068211] [2021-06-06 20:54:06,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:54:06,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:54:06,378 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:54:06,378 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:54:06,379 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613068211] [2021-06-06 20:54:06,379 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613068211] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:54:06,379 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367590622] [2021-06-06 20:54:06,379 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 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 [2021-06-06 20:54:06,419 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 20:54:06,419 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 20:54:06,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-06 20:54:06,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:54:20,584 WARN L205 SmtUtils]: Spent 13.91 s on a formula simplification. DAG size of input: 14581 DAG size of output: 54 [2021-06-06 20:54:20,819 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-06-06 20:54:20,820 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:54:20,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 35 treesize of output 319 [2021-06-06 20:54:22,540 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 329 [2021-06-06 20:54:22,701 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 345 [2021-06-06 20:54:22,877 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 361 [2021-06-06 20:54:23,190 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 475 [2021-06-06 20:54:23,493 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 475 [2021-06-06 20:54:23,844 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 635 DAG size of output: 484 [2021-06-06 20:54:24,157 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 531 [2021-06-06 20:54:24,359 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 337 [2021-06-06 20:54:24,861 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 249 [2021-06-06 20:54:25,613 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 246 [2021-06-06 20:54:25,789 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 465 DAG size of output: 333 [2021-06-06 20:54:25,984 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 340 [2021-06-06 20:54:26,130 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 312 [2021-06-06 20:54:27,336 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 304 [2021-06-06 20:54:28,030 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 414 [2021-06-06 20:54:28,472 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 781 DAG size of output: 584 [2021-06-06 20:54:29,112 WARN L205 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 1036 DAG size of output: 721 [2021-06-06 20:54:29,732 WARN L205 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 1036 DAG size of output: 721 [2021-06-06 20:54:30,415 WARN L205 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 1042 DAG size of output: 718 [2021-06-06 20:54:31,779 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 720 DAG size of output: 933 [2021-06-06 20:54:31,963 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 493 DAG size of output: 445 [2021-06-06 20:54:32,096 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 302 [2021-06-06 20:54:32,223 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 304 [2021-06-06 20:54:32,395 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 320 [2021-06-06 20:54:33,637 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 371 DAG size of output: 259 [2021-06-06 20:54:33,750 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 263 [2021-06-06 20:54:33,903 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 297 [2021-06-06 20:54:34,137 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 385 [2021-06-06 20:54:34,684 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 1145 DAG size of output: 750 [2021-06-06 20:54:35,200 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 1145 DAG size of output: 750 [2021-06-06 20:54:35,805 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 1150 DAG size of output: 755 [2021-06-06 20:54:36,273 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 378 [2021-06-06 20:54:36,470 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 262 [2021-06-06 20:54:36,658 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 321 [2021-06-06 20:54:37,376 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 634 DAG size of output: 421 [2021-06-06 20:54:37,599 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 634 DAG size of output: 421 [2021-06-06 20:54:37,833 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 637 DAG size of output: 424 [2021-06-06 20:54:38,109 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 182 [2021-06-06 20:54:38,371 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-06-06 20:54:38,438 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:54:38,438 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 29 treesize of output 142 [2021-06-06 20:54:38,643 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 3 xjuncts. [2021-06-06 20:54:38,647 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 20:54:38,648 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 20:54:38,691 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:54:38,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 27 treesize of output 99 [2021-06-06 20:54:38,738 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 20:54:38,740 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-06 20:54:38,740 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 20:54:38,755 INFO L628 ElimStorePlain]: treesize reduction 31, result has 32.6 percent of original size [2021-06-06 20:54:38,756 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 20:54:38,756 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 1 variables, input treesize:183, output treesize:15 [2021-06-06 20:54:38,782 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:54:38,782 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [367590622] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:54:38,782 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:54:38,782 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-06-06 20:54:38,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151505489] [2021-06-06 20:54:38,782 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-06 20:54:38,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:54:38,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-06 20:54:38,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2021-06-06 20:54:38,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:54:38,783 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:54:38,784 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 18 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:54:38,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:54:38,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:54:38,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:54:38,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:54:38,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:54:38,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:54:38,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 20:54:38,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:54:38,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:54:38,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:54:38,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:54:38,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:54:38,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:54:38,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:54:38,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 20:54:38,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 20:54:39,181 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2021-06-06 20:54:39,181 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:54:39,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:54:39,181 INFO L82 PathProgramCache]: Analyzing trace with hash 751213400, now seen corresponding path program 3 times [2021-06-06 20:54:39,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:54:39,182 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661948265] [2021-06-06 20:54:39,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:54:39,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:54:39,987 WARN L205 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 5498 DAG size of output: 50 [2021-06-06 20:54:40,113 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:54:40,114 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:54:40,114 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661948265] [2021-06-06 20:54:40,114 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661948265] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:54:40,114 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1117443217] [2021-06-06 20:54:40,114 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 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 [2021-06-06 20:54:40,144 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-06 20:54:40,145 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 20:54:40,145 WARN L261 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 40 conjunts are in the unsatisfiable core [2021-06-06 20:54:40,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:54:40,531 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 1256 DAG size of output: 44 [2021-06-06 20:54:40,627 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:54:40,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 33 treesize of output 193 [2021-06-06 20:54:41,229 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-06-06 20:54:41,371 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-06-06 20:54:41,371 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:54:41,372 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 35 treesize of output 252 [2021-06-06 20:54:42,118 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 290 [2021-06-06 20:54:42,247 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 290 [2021-06-06 20:54:42,384 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 424 DAG size of output: 301 [2021-06-06 20:54:42,610 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 299 [2021-06-06 20:54:43,642 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 261 [2021-06-06 20:54:43,767 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 265 [2021-06-06 20:54:43,913 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 476 DAG size of output: 273 [2021-06-06 20:54:44,112 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 373 [2021-06-06 20:54:44,311 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 373 [2021-06-06 20:54:44,536 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 609 DAG size of output: 378 [2021-06-06 20:54:44,830 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 421 [2021-06-06 20:54:45,737 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 187 [2021-06-06 20:54:46,207 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 3 xjuncts. [2021-06-06 20:54:46,404 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-06-06 20:54:46,405 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:54:46,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 37 treesize of output 319 [2021-06-06 20:54:47,902 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 355 [2021-06-06 20:54:48,141 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 372 [2021-06-06 20:54:48,366 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 372 [2021-06-06 20:54:48,639 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 630 DAG size of output: 385 [2021-06-06 20:54:48,820 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 380 [2021-06-06 20:54:49,396 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 474 [2021-06-06 20:54:49,873 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 479 [2021-06-06 20:54:50,090 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 277 [2021-06-06 20:54:51,680 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 272 [2021-06-06 20:54:51,887 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 287 [2021-06-06 20:54:52,159 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 366 [2021-06-06 20:54:52,366 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 257 [2021-06-06 20:54:52,526 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 232 [2021-06-06 20:54:53,461 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 205 [2021-06-06 20:54:54,471 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 443 DAG size of output: 266 [2021-06-06 20:54:54,653 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 267 [2021-06-06 20:54:54,925 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 337 [2021-06-06 20:54:55,275 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 419 [2021-06-06 20:54:56,013 WARN L205 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 935 DAG size of output: 656 [2021-06-06 20:54:57,038 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1039 DAG size of output: 775 [2021-06-06 20:54:58,266 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 1201 DAG size of output: 778 [2021-06-06 20:54:59,842 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1275 DAG size of output: 807 [2021-06-06 20:55:01,556 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 1275 DAG size of output: 807 [2021-06-06 20:55:03,660 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 1284 DAG size of output: 816 [2021-06-06 20:55:04,780 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 815 DAG size of output: 958 [2021-06-06 20:55:05,403 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 648 DAG size of output: 543 [2021-06-06 20:55:05,850 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 374 [2021-06-06 20:55:06,565 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 211 [2021-06-06 20:55:06,699 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 216 [2021-06-06 20:55:06,877 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 219 [2021-06-06 20:55:07,394 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 270 [2021-06-06 20:55:07,890 WARN L205 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 537 DAG size of output: 541 [2021-06-06 20:55:08,465 WARN L205 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 549 [2021-06-06 20:55:09,582 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 273 [2021-06-06 20:55:09,896 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 311 [2021-06-06 20:55:10,242 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 847 DAG size of output: 416 [2021-06-06 20:55:10,600 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 847 DAG size of output: 416 [2021-06-06 20:55:10,939 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 852 DAG size of output: 288 [2021-06-06 20:55:11,325 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 3 xjuncts. [2021-06-06 20:55:11,375 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:55:11,375 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 [2021-06-06 20:55:11,541 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 20:55:11,581 INFO L628 ElimStorePlain]: treesize reduction 77, result has 18.9 percent of original size [2021-06-06 20:55:11,582 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 20:55:11,582 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:188, output treesize:18 [2021-06-06 20:55:11,621 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:55:11,621 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1117443217] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:55:11,621 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:55:11,622 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-06 20:55:11,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373179445] [2021-06-06 20:55:11,622 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-06 20:55:11,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:55:11,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-06 20:55:11,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2021-06-06 20:55:11,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:55:11,623 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:55:11,623 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 20 states have internal predecessors, (30), 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) [2021-06-06 20:55:11,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:55:11,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:55:11,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:55:11,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:55:11,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:55:11,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:55:11,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 20:55:11,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 20:55:11,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:55:11,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:55:11,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:55:11,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:55:11,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:55:11,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:55:11,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:55:11,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 20:55:11,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 20:55:11,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 20:55:12,101 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1044 [2021-06-06 20:55:12,101 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:55:12,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:55:12,102 INFO L82 PathProgramCache]: Analyzing trace with hash -1308507850, now seen corresponding path program 4 times [2021-06-06 20:55:12,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:55:12,102 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246608067] [2021-06-06 20:55:12,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:55:12,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:55:13,196 WARN L205 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 5579 DAG size of output: 55 [2021-06-06 20:55:13,299 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:55:13,299 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:55:13,299 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246608067] [2021-06-06 20:55:13,299 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246608067] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:55:13,300 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686279089] [2021-06-06 20:55:13,300 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 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 [2021-06-06 20:55:13,331 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 20:55:13,332 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 20:55:13,332 WARN L261 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 44 conjunts are in the unsatisfiable core [2021-06-06 20:55:13,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:55:13,766 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 1256 DAG size of output: 37 [2021-06-06 20:55:13,948 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-06-06 20:55:13,949 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:55:13,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 39 treesize of output 319 [2021-06-06 20:55:14,710 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 239 [2021-06-06 20:55:14,819 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 239 [2021-06-06 20:55:14,948 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 254 [2021-06-06 20:55:15,131 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 348 [2021-06-06 20:55:15,495 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 266 [2021-06-06 20:55:15,738 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 259 [2021-06-06 20:55:15,848 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 208 [2021-06-06 20:55:17,251 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 263 [2021-06-06 20:55:17,443 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 359 [2021-06-06 20:55:17,746 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 439 [2021-06-06 20:55:18,098 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 468 [2021-06-06 20:55:18,245 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 263 [2021-06-06 20:55:19,008 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 225 [2021-06-06 20:55:19,704 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 214 [2021-06-06 20:55:19,927 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 293 [2021-06-06 20:55:20,623 WARN L205 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 822 DAG size of output: 615 [2021-06-06 20:55:21,474 WARN L205 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 966 DAG size of output: 726 [2021-06-06 20:55:22,589 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 1082 DAG size of output: 790 [2021-06-06 20:55:23,610 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1082 DAG size of output: 790 [2021-06-06 20:55:24,779 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 1091 DAG size of output: 799 [2021-06-06 20:55:25,992 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 798 DAG size of output: 853 [2021-06-06 20:55:27,453 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 788 DAG size of output: 910 [2021-06-06 20:55:27,595 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 298 [2021-06-06 20:55:28,314 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 782 DAG size of output: 350 [2021-06-06 20:55:28,675 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 860 DAG size of output: 397 [2021-06-06 20:55:28,979 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 860 DAG size of output: 397 [2021-06-06 20:55:29,476 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 865 DAG size of output: 319 [2021-06-06 20:55:29,692 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 163 [2021-06-06 20:55:30,390 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-06-06 20:55:30,514 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:55:30,514 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 37 treesize of output 252 [2021-06-06 20:55:31,289 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 299 [2021-06-06 20:55:31,622 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 433 [2021-06-06 20:55:31,909 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 387 [2021-06-06 20:55:32,043 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 319 [2021-06-06 20:55:32,307 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 225 [2021-06-06 20:55:32,828 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 365 [2021-06-06 20:55:33,477 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 465 [2021-06-06 20:55:33,865 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 813 DAG size of output: 537 [2021-06-06 20:55:34,057 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 259 [2021-06-06 20:55:34,450 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 175 [2021-06-06 20:55:34,587 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 196 [2021-06-06 20:55:35,258 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 281 [2021-06-06 20:55:35,602 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 313 [2021-06-06 20:55:36,338 WARN L205 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 1161 DAG size of output: 707 [2021-06-06 20:55:37,175 WARN L205 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 1161 DAG size of output: 707 [2021-06-06 20:55:37,980 WARN L205 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 1166 DAG size of output: 712 [2021-06-06 20:55:38,722 WARN L205 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 714 DAG size of output: 826 [2021-06-06 20:55:38,863 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 310 [2021-06-06 20:55:39,332 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 510 [2021-06-06 20:55:39,706 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 341 [2021-06-06 20:55:39,907 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 596 DAG size of output: 323 [2021-06-06 20:55:40,082 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 596 DAG size of output: 323 [2021-06-06 20:55:40,291 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 327 [2021-06-06 20:55:40,586 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 3 xjuncts. [2021-06-06 20:55:40,656 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:55:40,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 35 treesize of output 193 [2021-06-06 20:55:41,229 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 20:55:41,250 INFO L628 ElimStorePlain]: treesize reduction 46, result has 28.1 percent of original size [2021-06-06 20:55:41,251 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 20:55:41,251 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:145, output treesize:18 [2021-06-06 20:55:41,282 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:55:41,282 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1686279089] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:55:41,282 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:55:41,282 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2021-06-06 20:55:41,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445902673] [2021-06-06 20:55:41,283 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-06 20:55:41,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:55:41,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-06 20:55:41,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=448, Unknown=0, NotChecked=0, Total=506 [2021-06-06 20:55:41,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:55:41,284 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:55:41,284 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.391304347826087) internal successors, (32), 22 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:55:41,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:55:41,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:55:41,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:55:41,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:55:41,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:55:41,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:55:41,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 20:55:41,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 20:55:41,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 20:55:41,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:55:41,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:55:41,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:55:41,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:55:41,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:55:41,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:55:41,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:55:41,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 20:55:41,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 20:55:41,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 20:55:41,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 20:55:41,742 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3173,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:55:41,743 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:55:41,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:55:41,743 INFO L82 PathProgramCache]: Analyzing trace with hash -735357160, now seen corresponding path program 5 times [2021-06-06 20:55:41,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:55:41,744 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721561434] [2021-06-06 20:55:41,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:55:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:55:42,691 WARN L205 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 5510 DAG size of output: 25 [2021-06-06 20:55:42,757 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:55:42,757 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:55:42,757 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721561434] [2021-06-06 20:55:42,757 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721561434] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:55:42,757 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [420396057] [2021-06-06 20:55:42,757 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 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 [2021-06-06 20:55:42,790 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-06 20:55:42,790 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 20:55:42,791 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 48 conjunts are in the unsatisfiable core [2021-06-06 20:55:42,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:55:43,210 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 1256 DAG size of output: 30 [2021-06-06 20:55:43,355 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-06-06 20:55:43,356 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:55:43,356 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 [2021-06-06 20:55:44,546 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 20:55:44,687 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-06-06 20:55:44,688 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:55:44,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 41 treesize of output 319 [2021-06-06 20:55:45,708 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 294 [2021-06-06 20:55:45,829 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 322 [2021-06-06 20:55:46,037 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 397 [2021-06-06 20:55:46,302 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 412 [2021-06-06 20:55:46,547 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 412 [2021-06-06 20:55:46,859 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 425 [2021-06-06 20:55:47,361 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 662 [2021-06-06 20:55:47,907 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 412 DAG size of output: 512 [2021-06-06 20:55:48,438 WARN L205 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 406 DAG size of output: 627 [2021-06-06 20:55:48,893 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 585 [2021-06-06 20:55:49,401 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 569 [2021-06-06 20:55:49,773 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 436 [2021-06-06 20:55:50,470 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 445 [2021-06-06 20:55:51,179 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 250 [2021-06-06 20:55:51,825 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 257 [2021-06-06 20:55:51,955 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 263 [2021-06-06 20:55:52,251 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 414 [2021-06-06 20:55:52,641 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 481 [2021-06-06 20:55:53,234 WARN L205 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 804 DAG size of output: 524 [2021-06-06 20:55:53,504 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 359 [2021-06-06 20:55:53,644 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 281 [2021-06-06 20:55:54,287 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 269 [2021-06-06 20:55:54,787 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 374 [2021-06-06 20:55:55,292 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 440 [2021-06-06 20:55:55,653 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 448 [2021-06-06 20:55:56,776 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 1143 DAG size of output: 804 [2021-06-06 20:55:58,368 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 1431 DAG size of output: 1061 [2021-06-06 20:56:00,193 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 1620 DAG size of output: 1153 [2021-06-06 20:56:00,653 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 473 [2021-06-06 20:56:01,076 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 553 [2021-06-06 20:56:01,466 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 531 [2021-06-06 20:56:02,830 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 323 [2021-06-06 20:56:03,148 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 382 [2021-06-06 20:56:03,328 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 303 [2021-06-06 20:56:03,466 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 271 [2021-06-06 20:56:04,628 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 246 [2021-06-06 20:56:04,943 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 283 [2021-06-06 20:56:05,824 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 716 DAG size of output: 353 [2021-06-06 20:56:06,409 WARN L205 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 975 DAG size of output: 515 [2021-06-06 20:56:07,249 WARN L205 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 1200 DAG size of output: 659 [2021-06-06 20:56:08,200 WARN L205 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 1346 DAG size of output: 700 [2021-06-06 20:56:10,812 WARN L205 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 2733 DAG size of output: 1458 [2021-06-06 20:56:13,427 WARN L205 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 2733 DAG size of output: 1458 [2021-06-06 20:56:16,231 WARN L205 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 2742 DAG size of output: 1467 [2021-06-06 20:56:16,340 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 1464 [2021-06-06 20:56:16,450 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 1464 [2021-06-06 20:56:17,606 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 708 DAG size of output: 875 [2021-06-06 20:56:18,048 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 537 [2021-06-06 20:56:18,603 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 334 [2021-06-06 20:56:19,514 WARN L205 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 523 DAG size of output: 540 [2021-06-06 20:56:19,938 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 273 [2021-06-06 20:56:20,395 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 239 [2021-06-06 20:56:21,785 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 895 DAG size of output: 952 [2021-06-06 20:56:22,089 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 499 DAG size of output: 371 [2021-06-06 20:56:23,128 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 262 [2021-06-06 20:56:23,451 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 658 DAG size of output: 397 [2021-06-06 20:56:23,888 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 253 [2021-06-06 20:56:24,390 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 226 [2021-06-06 20:56:24,609 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 269 [2021-06-06 20:56:24,931 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 728 DAG size of output: 410 [2021-06-06 20:56:25,381 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 1163 DAG size of output: 505 [2021-06-06 20:56:25,840 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 1163 DAG size of output: 505 [2021-06-06 20:56:26,371 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 1167 DAG size of output: 369 [2021-06-06 20:56:26,525 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 245 [2021-06-06 20:56:27,163 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 3 xjuncts. [2021-06-06 20:56:27,180 INFO L628 ElimStorePlain]: treesize reduction 18, result has 50.0 percent of original size [2021-06-06 20:56:27,181 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 20:56:27,181 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:99, output treesize:18 [2021-06-06 20:56:27,213 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:56:27,213 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [420396057] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:56:27,213 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:56:27,213 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-06-06 20:56:27,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515907651] [2021-06-06 20:56:27,214 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-06 20:56:27,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:56:27,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-06 20:56:27,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=537, Unknown=0, NotChecked=0, Total=600 [2021-06-06 20:56:27,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:56:27,214 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:56:27,215 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.36) internal successors, (34), 24 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:56:27,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:56:27,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:56:27,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:56:27,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:56:27,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:56:27,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:56:27,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 20:56:27,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 20:56:27,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 20:56:27,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 20:56:27,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:56:27,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:56:27,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:56:27,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:56:27,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:56:27,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:56:27,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:56:27,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 20:56:27,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 20:56:27,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 20:56:27,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 20:56:27,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 20:56:27,769 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5090 [2021-06-06 20:56:27,769 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:56:27,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:56:27,770 INFO L82 PathProgramCache]: Analyzing trace with hash -147554954, now seen corresponding path program 6 times [2021-06-06 20:56:27,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:56:27,770 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728697485] [2021-06-06 20:56:27,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:56:27,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:56:28,740 WARN L205 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 5510 DAG size of output: 14 [2021-06-06 20:56:28,763 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:56:28,764 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:56:28,764 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728697485] [2021-06-06 20:56:28,764 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728697485] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:56:28,764 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1979224577] [2021-06-06 20:56:28,764 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 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 [2021-06-06 20:56:28,794 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-06-06 20:56:28,794 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 20:56:28,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 40 conjunts are in the unsatisfiable core [2021-06-06 20:56:28,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:56:29,226 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-06-06 20:56:29,227 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:56:29,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 43 treesize of output 319 [2021-06-06 20:56:29,817 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 346 [2021-06-06 20:56:29,955 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 355 [2021-06-06 20:56:30,591 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 582 DAG size of output: 522 [2021-06-06 20:56:30,917 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 601 DAG size of output: 540 [2021-06-06 20:56:31,298 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 552 [2021-06-06 20:56:31,677 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 552 [2021-06-06 20:56:32,107 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 635 DAG size of output: 565 [2021-06-06 20:56:32,545 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 545 [2021-06-06 20:56:32,889 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 506 [2021-06-06 20:56:33,193 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 252 [2021-06-06 20:56:33,447 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 265 [2021-06-06 20:56:33,814 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 208 [2021-06-06 20:56:34,684 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 268 [2021-06-06 20:56:34,966 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 279 [2021-06-06 20:56:35,846 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 352 [2021-06-06 20:56:36,222 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 352 [2021-06-06 20:56:37,163 WARN L205 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 443 [2021-06-06 20:56:37,412 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 290 [2021-06-06 20:56:37,611 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 246 [2021-06-06 20:56:37,810 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 231 [2021-06-06 20:56:38,466 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 337 [2021-06-06 20:56:38,899 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 275 [2021-06-06 20:56:39,085 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 275 [2021-06-06 20:56:39,304 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 282 [2021-06-06 20:56:39,567 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 388 [2021-06-06 20:56:40,318 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 318 [2021-06-06 20:56:40,464 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 271 [2021-06-06 20:56:40,830 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 243 [2021-06-06 20:56:41,043 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 245 [2021-06-06 20:56:41,146 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 262 [2021-06-06 20:56:41,448 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 20:56:41,451 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:56:41,451 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 20:56:41,451 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-06-06 20:56:41,457 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:56:41,457 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1979224577] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:56:41,457 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:56:41,457 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-06-06 20:56:41,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699325892] [2021-06-06 20:56:41,458 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-06 20:56:41,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:56:41,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-06 20:56:41,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2021-06-06 20:56:41,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:56:41,458 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:56:41,458 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.36) internal successors, (34), 24 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:56:41,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:56:41,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:56:41,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:56:41,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:56:41,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:56:41,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:56:41,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 20:56:41,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 20:56:41,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 20:56:41,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 20:56:41,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 20:56:41,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:56:41,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:56:41,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:56:41,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:56:41,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:56:41,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:56:41,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:56:41,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 20:56:41,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 20:56:41,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 20:56:41,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 20:56:41,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 20:56:41,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 20:56:42,145 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7167 [2021-06-06 20:56:42,145 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:56:42,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:56:42,146 INFO L82 PathProgramCache]: Analyzing trace with hash 894444248, now seen corresponding path program 7 times [2021-06-06 20:56:42,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:56:42,146 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351057452] [2021-06-06 20:56:42,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:56:42,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:56:42,239 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 46 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:56:42,240 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:56:42,240 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351057452] [2021-06-06 20:56:42,240 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351057452] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:56:42,240 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1667902373] [2021-06-06 20:56:42,240 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 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 [2021-06-06 20:56:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:56:42,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-06 20:56:42,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:56:42,325 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 55 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:56:42,325 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1667902373] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:56:42,325 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:56:42,325 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-06-06 20:56:42,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994291793] [2021-06-06 20:56:42,326 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-06 20:56:42,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:56:42,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-06 20:56:42,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2021-06-06 20:56:42,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:56:42,327 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:56:42,327 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:56:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:56:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:56:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:56:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:56:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:56:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:56:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 20:56:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 20:56:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 20:56:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 20:56:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 20:56:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 20:56:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:56:42,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:56:42,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:56:42,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:56:42,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:56:42,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:56:42,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:56:42,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 20:56:42,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 20:56:42,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 20:56:42,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 20:56:42,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 20:56:42,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 20:56:42,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 20:56:42,670 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7678 [2021-06-06 20:56:42,670 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:56:42,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:56:42,671 INFO L82 PathProgramCache]: Analyzing trace with hash 2004252345, now seen corresponding path program 8 times [2021-06-06 20:56:42,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:56:42,671 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376792241] [2021-06-06 20:56:42,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:56:42,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:56:42,851 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:56:42,851 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:56:42,852 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376792241] [2021-06-06 20:56:42,852 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376792241] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:56:42,852 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1117084850] [2021-06-06 20:56:42,852 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 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 [2021-06-06 20:56:42,887 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 20:56:42,887 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 20:56:42,888 WARN L261 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 47 conjunts are in the unsatisfiable core [2021-06-06 20:56:42,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:58:29,788 WARN L205 SmtUtils]: Spent 1.77 m on a formula simplification. DAG size of input: 32932 DAG size of output: 59 [2021-06-06 20:58:30,284 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 339 [2021-06-06 20:58:30,284 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:58:30,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 25 new quantified variables, introduced 78 case distinctions, treesize of input 53 treesize of output 667 [2021-06-06 20:58:30,931 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 287 [2021-06-06 20:58:31,076 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 307 [2021-06-06 20:58:32,078 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 363 [2021-06-06 20:58:32,325 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 387 [2021-06-06 20:58:32,785 WARN L205 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 496 [2021-06-06 20:58:33,981 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 281 [2021-06-06 20:58:34,136 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 308 [2021-06-06 20:58:34,445 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 398 [2021-06-06 20:58:35,351 WARN L205 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 853 DAG size of output: 704 [2021-06-06 20:58:35,868 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 298 [2021-06-06 20:58:36,006 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 323 [2021-06-06 20:58:36,769 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 427 [2021-06-06 20:58:37,144 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 465 DAG size of output: 450 [2021-06-06 20:58:38,148 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 348 [2021-06-06 20:58:38,373 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 367 [2021-06-06 20:58:39,055 WARN L205 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 689 DAG size of output: 607 [2021-06-06 20:58:39,734 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 306 [2021-06-06 20:58:39,902 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 329 [2021-06-06 20:58:40,866 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 355 [2021-06-06 20:58:41,119 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 381 [2021-06-06 20:58:41,610 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 520 [2021-06-06 20:58:42,973 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1061 DAG size of output: 921 [2021-06-06 20:58:45,512 WARN L205 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 1706 DAG size of output: 1396 [2021-06-06 20:58:46,353 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 293 [2021-06-06 20:58:47,411 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 337 [2021-06-06 20:58:47,818 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 491 [2021-06-06 20:58:48,290 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 634 DAG size of output: 519 [2021-06-06 20:58:48,839 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 658 DAG size of output: 540 [2021-06-06 20:58:49,895 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 350 [2021-06-06 20:58:50,906 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 288 [2021-06-06 20:58:51,151 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 395 [2021-06-06 20:58:51,704 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 650 DAG size of output: 579 [2021-06-06 20:58:52,394 WARN L205 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 607 [2021-06-06 20:58:53,145 WARN L205 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 703 DAG size of output: 632 [2021-06-06 20:58:54,646 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 1148 DAG size of output: 964 [2021-06-06 20:58:55,490 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 300 [2021-06-06 20:58:56,496 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 347 [2021-06-06 20:58:56,919 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 583 DAG size of output: 498 [2021-06-06 20:58:57,411 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 527 [2021-06-06 20:58:57,989 WARN L205 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 555 [2021-06-06 20:58:58,847 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 306 [2021-06-06 20:58:59,509 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 260 [2021-06-06 20:58:59,875 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 447 [2021-06-06 20:59:00,277 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 476 [2021-06-06 20:59:00,758 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 501 [2021-06-06 20:59:01,994 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 1036 DAG size of output: 862 [2021-06-06 20:59:05,101 WARN L205 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 1962 DAG size of output: 1587 [2021-06-06 20:59:05,658 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 287 [2021-06-06 20:59:06,382 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 391 [2021-06-06 20:59:06,928 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 254 [2021-06-06 20:59:07,533 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 345 [2021-06-06 20:59:08,069 WARN L205 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 651 DAG size of output: 567 [2021-06-06 20:59:08,675 WARN L205 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 677 DAG size of output: 593 [2021-06-06 20:59:09,382 WARN L205 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 704 DAG size of output: 620 [2021-06-06 20:59:10,454 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 348 [2021-06-06 20:59:11,291 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 304 [2021-06-06 20:59:11,758 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 514 [2021-06-06 20:59:12,272 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 539 [2021-06-06 20:59:12,875 WARN L205 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 659 DAG size of output: 563 [2021-06-06 20:59:14,398 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1149 DAG size of output: 976 [2021-06-06 20:59:15,670 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 383 [2021-06-06 20:59:16,698 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 335 [2021-06-06 20:59:17,201 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 680 DAG size of output: 562 [2021-06-06 20:59:17,789 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 586 [2021-06-06 20:59:18,484 WARN L205 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 728 DAG size of output: 606 [2021-06-06 20:59:19,072 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 300 [2021-06-06 20:59:19,729 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 321 [2021-06-06 20:59:20,039 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 476 DAG size of output: 444 [2021-06-06 20:59:21,095 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 286 [2021-06-06 20:59:21,349 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 426 DAG size of output: 393 [2021-06-06 20:59:22,013 WARN L205 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 723 DAG size of output: 653 [2021-06-06 20:59:22,771 WARN L205 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 748 DAG size of output: 675 [2021-06-06 20:59:23,655 WARN L205 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 772 DAG size of output: 699 [2021-06-06 20:59:25,499 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 1272 DAG size of output: 1086 [2021-06-06 20:59:29,347 WARN L205 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 2183 DAG size of output: 1806 [2021-06-06 20:59:37,178 WARN L205 SmtUtils]: Spent 7.82 s on a formula simplification. DAG size of input: 3905 DAG size of output: 3123 [2021-06-06 20:59:49,050 WARN L205 SmtUtils]: Spent 11.85 s on a formula simplification. DAG size of input: 5386 DAG size of output: 4276 [2021-06-06 21:00:00,884 WARN L205 SmtUtils]: Spent 11.81 s on a formula simplification. DAG size of input: 5386 DAG size of output: 4276 [2021-06-06 21:00:17,134 WARN L205 SmtUtils]: Spent 16.23 s on a formula simplification. DAG size of input: 5409 DAG size of output: 4299 [2021-06-06 21:00:46,018 WARN L205 SmtUtils]: Spent 28.85 s on a formula simplification. DAG size of input: 4301 DAG size of output: 6260 [2021-06-06 21:00:46,558 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 3678 [2021-06-06 21:00:52,160 WARN L205 SmtUtils]: Spent 5.59 s on a formula simplification. DAG size of input: 1418 DAG size of output: 1945 [2021-06-06 21:00:56,232 WARN L205 SmtUtils]: Spent 4.06 s on a formula simplification. DAG size of input: 1389 DAG size of output: 1806 [2021-06-06 21:00:56,370 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 1383 [2021-06-06 21:00:57,020 WARN L205 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 889 DAG size of output: 889 [2021-06-06 21:00:58,171 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 583 DAG size of output: 812 [2021-06-06 21:00:59,090 WARN L205 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 706 [2021-06-06 21:00:59,742 WARN L205 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 529 [2021-06-06 21:01:00,473 WARN L205 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 584 [2021-06-06 21:01:01,613 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 317 [2021-06-06 21:01:02,382 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 320 [2021-06-06 21:01:02,701 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 507 DAG size of output: 469 [2021-06-06 21:01:03,129 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 516 [2021-06-06 21:01:03,684 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 619 DAG size of output: 580 [2021-06-06 21:01:04,543 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 312 [2021-06-06 21:01:05,161 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 275 [2021-06-06 21:01:05,461 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 429 [2021-06-06 21:01:05,834 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 487 DAG size of output: 468 [2021-06-06 21:01:06,283 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 526 [2021-06-06 21:01:06,859 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 554 [2021-06-06 21:01:08,038 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 969 DAG size of output: 838 [2021-06-06 21:01:09,006 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 273 [2021-06-06 21:01:09,198 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 332 [2021-06-06 21:01:10,159 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 300 [2021-06-06 21:01:10,506 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 468 [2021-06-06 21:01:10,955 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 512 [2021-06-06 21:01:11,518 WARN L205 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 672 DAG size of output: 571 [2021-06-06 21:01:12,180 WARN L205 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 599 [2021-06-06 21:01:14,142 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 1419 DAG size of output: 1177 [2021-06-06 21:01:14,712 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 254 [2021-06-06 21:01:14,825 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 283 [2021-06-06 21:01:14,969 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 324 [2021-06-06 21:01:15,699 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 495 DAG size of output: 419 [2021-06-06 21:01:16,435 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 267 [2021-06-06 21:01:16,845 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 662 DAG size of output: 542 [2021-06-06 21:01:17,790 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 282 [2021-06-06 21:01:17,948 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 322 [2021-06-06 21:01:18,150 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 347 [2021-06-06 21:01:18,874 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 301 [2021-06-06 21:01:19,031 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 331 [2021-06-06 21:01:19,759 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 303 [2021-06-06 21:01:20,098 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 443 [2021-06-06 21:01:20,712 WARN L205 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 755 DAG size of output: 613 [2021-06-06 21:01:21,506 WARN L205 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 802 DAG size of output: 647 [2021-06-06 21:01:22,919 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1133 DAG size of output: 969 [2021-06-06 21:01:26,782 WARN L205 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 2069 DAG size of output: 1708 [2021-06-06 21:01:31,492 WARN L205 SmtUtils]: Spent 4.60 s on a formula simplification. DAG size of input: 2119 DAG size of output: 1748 [2021-06-06 21:01:31,736 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 345 [2021-06-06 21:01:32,016 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 324 [2021-06-06 21:01:32,120 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 300 [2021-06-06 21:01:32,978 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 285 [2021-06-06 21:01:33,832 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 338 [2021-06-06 21:01:34,171 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 452 [2021-06-06 21:01:34,925 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 292 [2021-06-06 21:01:35,797 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 342 [2021-06-06 21:01:36,123 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 460 [2021-06-06 21:01:36,825 WARN L205 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 692 [2021-06-06 21:01:37,757 WARN L205 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 750 DAG size of output: 750 [2021-06-06 21:01:38,536 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 267 [2021-06-06 21:01:39,156 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 308 [2021-06-06 21:01:39,412 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 424 [2021-06-06 21:01:40,168 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 314 [2021-06-06 21:01:40,837 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 426 [2021-06-06 21:01:41,418 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 609 [2021-06-06 21:01:42,124 WARN L205 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 655 DAG size of output: 666 [2021-06-06 21:01:43,974 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 1142 DAG size of output: 1152 [2021-06-06 21:01:46,217 WARN L205 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 1228 DAG size of output: 1232 [2021-06-06 21:01:46,377 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 295 [2021-06-06 21:01:47,159 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 300 [2021-06-06 21:01:47,888 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 413 [2021-06-06 21:01:48,908 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 306 [2021-06-06 21:01:49,126 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 415 [2021-06-06 21:01:49,633 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 575 [2021-06-06 21:01:50,273 WARN L205 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 686 DAG size of output: 632 [2021-06-06 21:01:51,048 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 347 [2021-06-06 21:01:51,632 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 279 [2021-06-06 21:01:51,894 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 460 [2021-06-06 21:01:52,536 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 300 [2021-06-06 21:01:53,120 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 273 [2021-06-06 21:01:53,369 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 424 DAG size of output: 421 [2021-06-06 21:01:53,925 WARN L205 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 658 [2021-06-06 21:01:54,632 WARN L205 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 768 DAG size of output: 718 [2021-06-06 21:01:56,210 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 1132 DAG size of output: 1052 [2021-06-06 21:01:58,141 WARN L205 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 1211 DAG size of output: 1127 [2021-06-06 21:02:00,459 WARN L205 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 1285 DAG size of output: 1196 [2021-06-06 21:02:05,269 WARN L205 SmtUtils]: Spent 4.80 s on a formula simplification. DAG size of input: 2141 DAG size of output: 1968 [2021-06-06 21:02:10,957 WARN L205 SmtUtils]: Spent 5.68 s on a formula simplification. DAG size of input: 2194 DAG size of output: 2010 [2021-06-06 21:02:11,300 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 299 [2021-06-06 21:02:11,505 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 304 [2021-06-06 21:02:11,735 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 306 [2021-06-06 21:02:12,744 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 368 [2021-06-06 21:02:13,531 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 328 [2021-06-06 21:02:13,918 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 638 DAG size of output: 528 [2021-06-06 21:02:14,027 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 304 [2021-06-06 21:02:14,767 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 278 [2021-06-06 21:02:15,628 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 397 [2021-06-06 21:02:16,351 WARN L205 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 846 DAG size of output: 717 [2021-06-06 21:02:16,552 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 298 [2021-06-06 21:02:17,196 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 273 [2021-06-06 21:02:18,022 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 375 [2021-06-06 21:02:18,935 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 345 [2021-06-06 21:02:19,812 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 301 [2021-06-06 21:02:20,010 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 367 [2021-06-06 21:02:20,415 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 504 [2021-06-06 21:02:21,161 WARN L205 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 734 DAG size of output: 695 [2021-06-06 21:02:22,710 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 1231 DAG size of output: 1038 [2021-06-06 21:02:24,596 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 1322 DAG size of output: 1145 [2021-06-06 21:02:26,921 WARN L205 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 1402 DAG size of output: 1221 [2021-06-06 21:02:29,634 WARN L205 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 1472 DAG size of output: 1287 [2021-06-06 21:02:32,818 WARN L205 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 1530 DAG size of output: 1344 [2021-06-06 21:02:42,237 WARN L205 SmtUtils]: Spent 9.41 s on a formula simplification. DAG size of input: 3321 DAG size of output: 2953 [2021-06-06 21:02:57,296 WARN L205 SmtUtils]: Spent 15.04 s on a formula simplification. DAG size of input: 5043 DAG size of output: 4192 [2021-06-06 21:03:14,423 WARN L205 SmtUtils]: Spent 17.03 s on a formula simplification. DAG size of input: 5093 DAG size of output: 4216 [2021-06-06 21:03:14,718 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 252 [2021-06-06 21:03:15,376 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 257 [2021-06-06 21:03:15,510 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 280 [2021-06-06 21:03:16,195 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 380 [2021-06-06 21:03:17,148 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 290 [2021-06-06 21:03:17,408 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 415 [2021-06-06 21:03:17,766 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 450 [2021-06-06 21:03:18,415 WARN L205 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 624 [2021-06-06 21:03:19,532 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 330 [2021-06-06 21:03:19,796 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 359 [2021-06-06 21:03:20,433 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 251 [2021-06-06 21:03:20,608 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 325 [2021-06-06 21:03:21,211 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 279 [2021-06-06 21:03:21,567 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 460 [2021-06-06 21:03:22,242 WARN L205 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 739 DAG size of output: 625 [2021-06-06 21:03:23,638 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 1147 DAG size of output: 909 [2021-06-06 21:03:25,139 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 1150 DAG size of output: 912 [2021-06-06 21:03:26,840 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 1204 DAG size of output: 961 [2021-06-06 21:03:28,863 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 1283 DAG size of output: 1040 [2021-06-06 21:03:29,805 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 253 [2021-06-06 21:03:30,327 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 337 [2021-06-06 21:03:31,151 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 263 [2021-06-06 21:03:31,390 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 375 [2021-06-06 21:03:31,881 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 589 DAG size of output: 548 [2021-06-06 21:03:32,409 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 278 [2021-06-06 21:03:32,974 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 374 DAG size of output: 366 [2021-06-06 21:03:33,911 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 330 [2021-06-06 21:03:34,377 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 519 [2021-06-06 21:03:35,379 WARN L205 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 909 DAG size of output: 803 [2021-06-06 21:03:36,510 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 912 DAG size of output: 806 [2021-06-06 21:03:37,862 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 967 DAG size of output: 852 [2021-06-06 21:03:39,430 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 1042 DAG size of output: 927 [2021-06-06 21:03:40,159 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 255 [2021-06-06 21:03:40,739 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 363 [2021-06-06 21:03:41,297 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 313 [2021-06-06 21:03:42,056 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 425 [2021-06-06 21:03:42,628 WARN L205 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 664 DAG size of output: 586 [2021-06-06 21:03:43,125 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 247 [2021-06-06 21:03:43,279 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 315 [2021-06-06 21:03:43,737 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 260 [2021-06-06 21:03:44,050 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 444 [2021-06-06 21:03:44,971 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 277 [2021-06-06 21:03:45,210 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 379 [2021-06-06 21:03:45,826 WARN L205 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 603 [2021-06-06 21:03:47,096 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 1064 DAG size of output: 880 [2021-06-06 21:03:48,589 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1081 DAG size of output: 883 [2021-06-06 21:03:50,388 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 1158 DAG size of output: 959 [2021-06-06 21:03:54,173 WARN L205 SmtUtils]: Spent 3.78 s on a formula simplification. DAG size of input: 1895 DAG size of output: 1519 [2021-06-06 21:03:58,509 WARN L205 SmtUtils]: Spent 4.33 s on a formula simplification. DAG size of input: 1982 DAG size of output: 1584 [2021-06-06 21:04:05,124 WARN L205 SmtUtils]: Spent 6.60 s on a formula simplification. DAG size of input: 2771 DAG size of output: 2215 [2021-06-06 21:04:05,760 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 303 [2021-06-06 21:04:05,898 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 305 [2021-06-06 21:04:06,112 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 273 [2021-06-06 21:04:06,412 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 268 [2021-06-06 21:04:07,075 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 271 [2021-06-06 21:04:07,816 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 339 [2021-06-06 21:04:08,144 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 493 DAG size of output: 459 [2021-06-06 21:04:09,331 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 259 [2021-06-06 21:04:09,617 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 377 [2021-06-06 21:04:10,318 WARN L205 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 708 DAG size of output: 668 [2021-06-06 21:04:10,434 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 260 [2021-06-06 21:04:10,894 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 280 [2021-06-06 21:04:11,111 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 309 [2021-06-06 21:04:11,743 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 310 [2021-06-06 21:04:12,108 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 458 [2021-06-06 21:04:12,729 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 238 [2021-06-06 21:04:13,400 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 303 [2021-06-06 21:04:13,730 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 411 [2021-06-06 21:04:14,483 WARN L205 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 703 DAG size of output: 688 [2021-06-06 21:04:16,003 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1179 DAG size of output: 1084 [2021-06-06 21:04:17,884 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 1269 DAG size of output: 1171 [2021-06-06 21:04:20,152 WARN L205 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 1343 DAG size of output: 1242 [2021-06-06 21:04:22,839 WARN L205 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 1421 DAG size of output: 1314 [2021-06-06 21:04:23,035 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 292 [2021-06-06 21:04:23,312 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 289 [2021-06-06 21:04:23,509 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 263 [2021-06-06 21:04:24,166 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 291 [2021-06-06 21:04:24,386 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 385 [2021-06-06 21:04:24,985 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 253 [2021-06-06 21:04:25,374 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 488 [2021-06-06 21:04:26,821 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 312 [2021-06-06 21:04:27,144 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 432 [2021-06-06 21:04:27,969 WARN L205 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 718 [2021-06-06 21:04:28,153 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 283 [2021-06-06 21:04:28,790 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 283 [2021-06-06 21:04:29,523 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 301 [2021-06-06 21:04:29,867 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 420 [2021-06-06 21:04:30,657 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 333 [2021-06-06 21:04:31,532 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 320 [2021-06-06 21:04:31,941 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 488 [2021-06-06 21:04:32,763 WARN L205 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 727 [2021-06-06 21:04:34,493 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 1188 DAG size of output: 1182 [2021-06-06 21:04:36,610 WARN L205 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 1283 DAG size of output: 1271 [2021-06-06 21:04:39,139 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 1370 DAG size of output: 1344 [2021-06-06 21:04:44,832 WARN L205 SmtUtils]: Spent 5.68 s on a formula simplification. DAG size of input: 2449 DAG size of output: 2289 [2021-06-06 21:04:45,051 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 277 [2021-06-06 21:04:45,881 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 303 [2021-06-06 21:04:46,054 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 340 [2021-06-06 21:04:46,744 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 308 [2021-06-06 21:04:47,087 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 478 [2021-06-06 21:04:48,205 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 346 [2021-06-06 21:04:48,497 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 398 [2021-06-06 21:04:49,245 WARN L205 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 652 [2021-06-06 21:04:49,399 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 274 [2021-06-06 21:04:49,916 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 261 [2021-06-06 21:04:50,630 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 283 [2021-06-06 21:04:50,955 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 384 [2021-06-06 21:04:51,583 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 282 [2021-06-06 21:04:52,283 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 293 [2021-06-06 21:04:52,456 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 330 [2021-06-06 21:04:52,826 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 437 [2021-06-06 21:04:53,545 WARN L205 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 625 DAG size of output: 649 [2021-06-06 21:04:55,038 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1084 DAG size of output: 1061 [2021-06-06 21:04:56,859 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 1176 DAG size of output: 1144 [2021-06-06 21:04:59,055 WARN L205 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 1246 DAG size of output: 1213 [2021-06-06 21:05:01,754 WARN L205 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 1327 DAG size of output: 1289 [2021-06-06 21:05:11,305 WARN L205 SmtUtils]: Spent 9.54 s on a formula simplification. DAG size of input: 3412 DAG size of output: 3213 [2021-06-06 21:05:21,485 WARN L205 SmtUtils]: Spent 10.16 s on a formula simplification. DAG size of input: 3523 DAG size of output: 3311 [2021-06-06 21:05:40,071 WARN L205 SmtUtils]: Spent 18.56 s on a formula simplification. DAG size of input: 5924 DAG size of output: 4892 [2021-06-06 21:06:00,367 WARN L205 SmtUtils]: Spent 20.15 s on a formula simplification. DAG size of input: 5965 DAG size of output: 4911 [2021-06-06 21:06:38,333 WARN L205 SmtUtils]: Spent 37.93 s on a formula simplification. DAG size of input: 10807 DAG size of output: 8499 [2021-06-06 21:06:39,154 WARN L205 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 543 [2021-06-06 21:06:39,451 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 372 [2021-06-06 21:06:39,901 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 412 [2021-06-06 21:06:40,236 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 371 [2021-06-06 21:06:40,391 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 317 [2021-06-06 21:06:40,550 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 318 [2021-06-06 21:06:40,728 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 346 [2021-06-06 21:06:41,391 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 219 [2021-06-06 21:06:42,120 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 304 [2021-06-06 21:06:42,561 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 430 [2021-06-06 21:06:42,727 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 287 [2021-06-06 21:06:43,378 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 236 [2021-06-06 21:06:43,586 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 294 [2021-06-06 21:06:43,876 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 473 DAG size of output: 357 [2021-06-06 21:06:44,675 WARN L205 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 764 DAG size of output: 628 [2021-06-06 21:06:44,878 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 364 [2021-06-06 21:06:45,420 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 224 [2021-06-06 21:06:46,122 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 313 [2021-06-06 21:06:46,737 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 249 [2021-06-06 21:06:47,328 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 218 [2021-06-06 21:06:47,476 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 235 [2021-06-06 21:06:47,826 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 337 [2021-06-06 21:06:48,476 WARN L205 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 515 [2021-06-06 21:06:49,815 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 1148 DAG size of output: 789 [2021-06-06 21:06:49,971 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 319 [2021-06-06 21:06:50,176 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 365 [2021-06-06 21:06:51,159 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 224 [2021-06-06 21:06:51,391 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 315 [2021-06-06 21:06:51,865 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 244 [2021-06-06 21:06:52,077 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 263 [2021-06-06 21:06:52,620 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 216 [2021-06-06 21:06:52,771 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 233 [2021-06-06 21:06:53,102 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 356 [2021-06-06 21:06:53,748 WARN L205 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 536 [2021-06-06 21:06:54,723 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 282 [2021-06-06 21:06:54,969 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 388 [2021-06-06 21:06:55,304 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 406 DAG size of output: 410 [2021-06-06 21:06:55,850 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 211 [2021-06-06 21:06:55,967 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 229 [2021-06-06 21:06:56,577 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 257 [2021-06-06 21:06:56,762 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 274 [2021-06-06 21:06:57,084 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 365 [2021-06-06 21:06:57,822 WARN L205 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 675 DAG size of output: 593 [2021-06-06 21:06:59,138 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1100 DAG size of output: 813 [2021-06-06 21:07:01,839 WARN L205 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 1902 DAG size of output: 1275 [2021-06-06 21:07:05,094 WARN L205 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 2011 DAG size of output: 1384 [2021-06-06 21:07:09,107 WARN L205 SmtUtils]: Spent 4.00 s on a formula simplification. DAG size of input: 2144 DAG size of output: 1525 [2021-06-06 21:07:09,379 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 338 [2021-06-06 21:07:09,585 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 351 [2021-06-06 21:07:09,796 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 387 [2021-06-06 21:07:10,330 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 260 [2021-06-06 21:07:10,480 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 279 [2021-06-06 21:07:11,109 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 236 [2021-06-06 21:07:11,259 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 254 [2021-06-06 21:07:11,558 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 353 [2021-06-06 21:07:11,794 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 306 [2021-06-06 21:07:12,763 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 266 [2021-06-06 21:07:13,136 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 401 [2021-06-06 21:07:13,735 WARN L205 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 553 DAG size of output: 527 [2021-06-06 21:07:14,740 WARN L205 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 821 DAG size of output: 734 [2021-06-06 21:07:14,997 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 425 [2021-06-06 21:07:15,486 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 221 [2021-06-06 21:07:15,630 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 240 [2021-06-06 21:07:16,493 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 335 [2021-06-06 21:07:17,509 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 252 [2021-06-06 21:07:17,703 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 269 [2021-06-06 21:07:18,240 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 282 [2021-06-06 21:07:18,412 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 300 [2021-06-06 21:07:18,845 WARN L205 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 412 [2021-06-06 21:07:19,654 WARN L205 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 662 DAG size of output: 612 [2021-06-06 21:07:21,419 WARN L205 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 1245 DAG size of output: 941 [2021-06-06 21:07:22,053 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 240 [2021-06-06 21:07:22,753 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 314 [2021-06-06 21:07:23,041 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 404 [2021-06-06 21:07:23,415 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 426 DAG size of output: 424 [2021-06-06 21:07:23,519 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 285 [2021-06-06 21:07:24,149 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 300 [2021-06-06 21:07:24,657 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 246 [2021-06-06 21:07:25,007 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 407 [2021-06-06 21:07:25,632 WARN L205 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 595 [2021-06-06 21:07:26,589 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 282 [2021-06-06 21:07:27,135 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 245 [2021-06-06 21:07:27,483 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 373 [2021-06-06 21:07:27,923 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 393 [2021-06-06 21:07:28,034 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 287 [2021-06-06 21:07:28,753 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 233 [2021-06-06 21:07:28,933 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 250 [2021-06-06 21:07:29,498 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 240 [2021-06-06 21:07:29,853 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 365 [2021-06-06 21:07:30,554 WARN L205 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 681 DAG size of output: 539 [2021-06-06 21:07:32,124 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 1191 DAG size of output: 946 [2021-06-06 21:07:35,363 WARN L205 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 2040 DAG size of output: 1483 [2021-06-06 21:07:39,301 WARN L205 SmtUtils]: Spent 3.93 s on a formula simplification. DAG size of input: 2178 DAG size of output: 1617 [2021-06-06 21:07:47,946 WARN L205 SmtUtils]: Spent 8.63 s on a formula simplification. DAG size of input: 3873 DAG size of output: 2701 [2021-06-06 21:07:57,755 WARN L205 SmtUtils]: Spent 9.79 s on a formula simplification. DAG size of input: 3912 DAG size of output: 2731 [2021-06-06 21:07:58,251 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 384 [2021-06-06 21:07:58,499 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 332 [2021-06-06 21:07:58,651 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 329 [2021-06-06 21:07:58,828 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 365 [2021-06-06 21:07:58,995 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 292 [2021-06-06 21:07:59,927 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 253 [2021-06-06 21:08:00,248 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 373 [2021-06-06 21:08:00,710 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 504 [2021-06-06 21:08:01,346 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 226 [2021-06-06 21:08:01,909 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 279 [2021-06-06 21:08:02,167 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 343 [2021-06-06 21:08:02,999 WARN L205 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 814 DAG size of output: 701 [2021-06-06 21:08:04,222 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 290 [2021-06-06 21:08:04,491 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 313 [2021-06-06 21:08:05,648 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 258 [2021-06-06 21:08:05,780 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 281 [2021-06-06 21:08:06,031 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 376 [2021-06-06 21:08:06,634 WARN L205 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 636 DAG size of output: 520 [2021-06-06 21:08:08,036 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1241 DAG size of output: 855 [2021-06-06 21:08:08,770 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 247 [2021-06-06 21:08:09,451 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 318 [2021-06-06 21:08:10,013 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 238 [2021-06-06 21:08:10,556 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 234 [2021-06-06 21:08:10,808 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 264 [2021-06-06 21:08:11,130 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 356 [2021-06-06 21:08:11,681 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 618 DAG size of output: 460 [2021-06-06 21:08:12,356 WARN L205 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 655 DAG size of output: 489 [2021-06-06 21:08:12,916 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 249 [2021-06-06 21:08:13,543 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 273 [2021-06-06 21:08:13,819 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 377 [2021-06-06 21:08:14,182 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 412 Received shutdown request... [2021-06-06 21:08:14,741 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7679,SelfDestructingSolverStorable22545,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:08:14,741 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-06 21:08:14,747 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 21:08:14,748 WARN L196 ceAbstractionStarter]: Timeout [2021-06-06 21:08:14,749 INFO L202 PluginConnector]: Adding new model unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 09:08:14 BasicIcfg [2021-06-06 21:08:14,749 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 21:08:14,749 INFO L168 Benchmark]: Toolchain (without parser) took 867493.33 ms. Allocated memory was 333.4 MB in the beginning and 2.1 GB in the end (delta: 1.7 GB). Free memory was 312.9 MB in the beginning and 988.4 MB in the end (delta: -675.5 MB). Peak memory consumption was 1.3 GB. Max. memory is 16.0 GB. [2021-06-06 21:08:14,749 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 333.4 MB. Free memory was 314.1 MB in the beginning and 314.1 MB in the end (delta: 71.5 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 21:08:14,749 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.44 ms. Allocated memory is still 333.4 MB. Free memory was 312.9 MB in the beginning and 311.4 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 21:08:14,749 INFO L168 Benchmark]: Boogie Preprocessor took 29.39 ms. Allocated memory is still 333.4 MB. Free memory was 311.4 MB in the beginning and 310.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 21:08:14,749 INFO L168 Benchmark]: RCFGBuilder took 522.09 ms. Allocated memory is still 333.4 MB. Free memory was 310.3 MB in the beginning and 312.2 MB in the end (delta: -1.9 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.0 GB. [2021-06-06 21:08:14,750 INFO L168 Benchmark]: TraceAbstraction took 866908.76 ms. Allocated memory was 333.4 MB in the beginning and 2.1 GB in the end (delta: 1.7 GB). Free memory was 312.2 MB in the beginning and 988.4 MB in the end (delta: -676.2 MB). Peak memory consumption was 1.3 GB. Max. memory is 16.0 GB. [2021-06-06 21:08:14,750 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 333.4 MB. Free memory was 314.1 MB in the beginning and 314.1 MB in the end (delta: 71.5 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 27.44 ms. Allocated memory is still 333.4 MB. Free memory was 312.9 MB in the beginning and 311.4 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 29.39 ms. Allocated memory is still 333.4 MB. Free memory was 311.4 MB in the beginning and 310.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 522.09 ms. Allocated memory is still 333.4 MB. Free memory was 310.3 MB in the beginning and 312.2 MB in the end (delta: -1.9 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 866908.76 ms. Allocated memory was 333.4 MB in the beginning and 2.1 GB in the end (delta: 1.7 GB). Free memory was 312.2 MB in the beginning and 988.4 MB in the end (delta: -676.2 MB). Peak memory consumption was 1.3 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 707, positive: 453, positive conditional: 453, positive unconditional: 0, negative: 254, negative conditional: 254, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 453, positive: 453, positive conditional: 453, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 453, positive: 453, positive conditional: 0, positive unconditional: 453, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 11, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 453, positive: 442, positive conditional: 0, positive unconditional: 442, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 11, unknown conditional: 0, unknown unconditional: 11] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 11, Positive conditional cache size: 0, Positive unconditional cache size: 11, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 11, Positive conditional cache size: 0, Positive unconditional cache size: 11, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 11, Positive conditional cache size: 0, Positive unconditional cache size: 11, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 11, Positive conditional cache size: 0, Positive unconditional cache size: 11, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 11, Positive conditional cache size: 0, Positive unconditional cache size: 11, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 11, Positive conditional cache size: 0, Positive unconditional cache size: 11, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 11, Positive conditional cache size: 0, Positive unconditional cache size: 11, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 11, Positive conditional cache size: 0, Positive unconditional cache size: 11, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 11, Positive conditional cache size: 0, Positive unconditional cache size: 11, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 11, Positive conditional cache size: 0, Positive unconditional cache size: 11, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 11, Positive conditional cache size: 0, Positive unconditional cache size: 11, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 11, Positive conditional cache size: 0, Positive unconditional cache size: 11, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 11, Positive conditional cache size: 0, Positive unconditional cache size: 11, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 11, Positive conditional cache size: 0, Positive unconditional cache size: 11, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 254 - TimeoutResultAtElement [Line: 69]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 23 with TraceHistMax 10,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 0ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 22 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 866804.6ms, OverallIterations: 14, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.6ms, PartialOrderReductionTime: 2135.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 134, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 52.4ms SsaConstructionTime, 251.6ms SatisfiabilityAnalysisTime, 169294.6ms InterpolantComputationTime, 392 NumberOfCodeBlocks, 392 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 367 ConstructedInterpolants, 0 QuantifiedInterpolants, 3972 SizeOfPredicates, 25 NumberOfNonLiveVariables, 727 ConjunctsInSsa, 311 ConjunctsInUnsatCore, 25 InterpolantComputations, 2 PerfectInterpolantSequences, 127/504 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown