/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 15:32:08,812 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 15:32:08,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 15:32:08,833 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 15:32:08,886 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-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2021-07-14 15:32:08,920 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 15:32:08,920 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 15:32:08,921 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 15:32:08,921 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 15:32:08,921 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 15:32:08,922 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 15:32:08,922 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 15:32:08,922 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 15:32:08,922 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 15:32:08,922 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 15:32:08,922 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 15:32:08,923 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 15:32:08,923 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 15:32:08,923 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 15:32:08,923 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 15:32:08,923 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 15:32:08,923 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 15:32:08,923 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 15:32:08,923 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 15:32:08,924 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 15:32:08,924 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 15:32:08,924 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 15:32:08,924 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 15:32:08,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 15:32:08,924 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 15:32:08,925 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 15:32:08,925 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 15:32:08,925 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 15:32:08,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 15:32:08,925 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 15:32:08,925 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 15:32:08,925 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 15:32:08,925 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 15:32:08,929 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 15:32:09,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 15:32:09,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 15:32:09,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 15:32:09,156 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 15:32:09,159 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 15:32:09,160 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl [2021-07-14 15:32:09,160 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl' [2021-07-14 15:32:09,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 15:32:09,199 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 15:32:09,201 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 15:32:09,201 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 15:32:09,201 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 15:32:09,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:32:09" (1/1) ... [2021-07-14 15:32:09,217 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:32:09" (1/1) ... [2021-07-14 15:32:09,227 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 15:32:09,229 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 15:32:09,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 15:32:09,229 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 15:32:09,235 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:32:09" (1/1) ... [2021-07-14 15:32:09,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:32:09" (1/1) ... [2021-07-14 15:32:09,236 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:32:09" (1/1) ... [2021-07-14 15:32:09,236 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:32:09" (1/1) ... [2021-07-14 15:32:09,239 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:32:09" (1/1) ... [2021-07-14 15:32:09,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:32:09" (1/1) ... [2021-07-14 15:32:09,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:32:09" (1/1) ... [2021-07-14 15:32:09,243 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 15:32:09,246 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 15:32:09,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 15:32:09,247 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 15:32:09,248 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:32:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 15:32:09,311 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 15:32:09,311 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 15:32:09,311 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 15:32:09,311 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 15:32:09,311 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 15:32:09,311 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 15:32:09,311 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 15:32:09,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 15:32:09,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 15:32:09,312 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 15:32:09,550 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 15:32:09,550 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-14 15:32:09,551 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-14 15:32:09,551 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-14 15:32:09,552 INFO L202 PluginConnector]: Adding new model unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:32:09 BoogieIcfgContainer [2021-07-14 15:32:09,553 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 15:32:09,554 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 15:32:09,554 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 15:32:09,556 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 15:32:09,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:32:09" (1/2) ... [2021-07-14 15:32:09,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5690dd10 and model type unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:32:09, skipping insertion in model container [2021-07-14 15:32:09,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:32:09" (2/2) ... [2021-07-14 15:32:09,558 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-3.wvr.bpl [2021-07-14 15:32:09,561 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 15:32:09,562 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 15:32:09,562 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 15:32:09,562 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 15:32:09,596 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 15:32:09,612 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 15:32:09,666 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 15:32:09,667 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 15:32:09,667 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 15:32:09,667 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 15:32:09,667 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 15:32:09,667 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 15:32:09,667 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 15:32:09,667 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 15:32:09,734 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:32:09,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:32:09,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1893131829, now seen corresponding path program 1 times [2021-07-14 15:32:09,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:32:09,745 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606764963] [2021-07-14 15:32:09,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:32:09,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:32:09,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:32:09,874 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:32:09,874 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606764963] [2021-07-14 15:32:09,875 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606764963] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 15:32:09,875 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 15:32:09,875 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 15:32:09,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038632323] [2021-07-14 15:32:09,881 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 15:32:09,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:32:09,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 15:32:09,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 15:32:09,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:32:09,895 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:32:09,897 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 15:32:09,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:32:09,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 15:32:09,920 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 15:32:09,921 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:32:09,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:32:09,923 INFO L82 PathProgramCache]: Analyzing trace with hash 1930821543, now seen corresponding path program 1 times [2021-07-14 15:32:09,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:32:09,924 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628205277] [2021-07-14 15:32:09,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:32:09,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:32:09,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:32:09,984 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:32:09,984 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628205277] [2021-07-14 15:32:09,984 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628205277] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:32:09,984 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1277527627] [2021-07-14 15:32:09,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:32:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:32:10,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-14 15:32:10,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:32:10,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:32:10,100 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1277527627] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:32:10,100 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:32:10,100 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-07-14 15:32:10,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972448889] [2021-07-14 15:32:10,102 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 15:32:10,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:32:10,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 15:32:10,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-07-14 15:32:10,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:32:10,104 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:32:10,104 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 15:32:10,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 15:32:10,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:32:10,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 15:32:10,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:32:10,345 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:32:10,345 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:32:10,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:32:10,346 INFO L82 PathProgramCache]: Analyzing trace with hash -251002636, now seen corresponding path program 1 times [2021-07-14 15:32:10,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:32:10,346 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227511808] [2021-07-14 15:32:10,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:32:10,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:32:10,374 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 15:32:10,375 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:32:10,375 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227511808] [2021-07-14 15:32:10,375 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227511808] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:32:10,375 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010179913] [2021-07-14 15:32:10,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:32:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:32:10,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-14 15:32:10,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:32:10,492 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 15:32:10,492 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2010179913] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:32:10,492 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:32:10,492 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-07-14 15:32:10,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299359183] [2021-07-14 15:32:10,493 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 15:32:10,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:32:10,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 15:32:10,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 15:32:10,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:32:10,493 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:32:10,493 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 15:32:10,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 15:32:10,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:32:10,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:32:10,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 15:32:10,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:32:10,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:32:10,728 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:32:10,729 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:32:10,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:32:10,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1609074150, now seen corresponding path program 2 times [2021-07-14 15:32:10,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:32:10,730 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713532381] [2021-07-14 15:32:10,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:32:10,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:32:10,797 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 15:32:10,798 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:32:10,798 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713532381] [2021-07-14 15:32:10,798 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713532381] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:32:10,798 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [689438354] [2021-07-14 15:32:10,798 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:32:10,829 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 15:32:10,829 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:32:10,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 15:32:10,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:32:10,886 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 15:32:10,887 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [689438354] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:32:10,887 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:32:10,887 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-07-14 15:32:10,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389639983] [2021-07-14 15:32:10,887 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 15:32:10,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:32:10,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 15:32:10,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-14 15:32:10,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:32:10,888 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:32:10,888 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 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) [2021-07-14 15:32:10,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 15:32:10,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:32:10,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:32:10,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:32:10,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 15:32:10,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:32:10,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:32:10,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:32:11,128 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:32:11,129 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:32:11,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:32:11,129 INFO L82 PathProgramCache]: Analyzing trace with hash -858087628, now seen corresponding path program 3 times [2021-07-14 15:32:11,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:32:11,130 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373098136] [2021-07-14 15:32:11,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:32:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:32:11,166 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:32:11,167 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:32:11,167 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373098136] [2021-07-14 15:32:11,167 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373098136] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:32:11,167 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1570803131] [2021-07-14 15:32:11,167 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:32:11,191 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 15:32:11,191 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:32:11,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-14 15:32:11,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:32:11,290 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:32:11,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-07-14 15:32:11,328 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:32:11,330 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:32:11,331 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 15:32:11,331 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-07-14 15:32:11,342 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:32:11,342 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1570803131] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:32:11,342 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:32:11,343 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 9 [2021-07-14 15:32:11,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458120958] [2021-07-14 15:32:11,343 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 15:32:11,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:32:11,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 15:32:11,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-07-14 15:32:11,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:32:11,344 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:32:11,344 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 15:32:11,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 15:32:11,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:32:11,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:32:11,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:32:11,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:32:11,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 15:32:11,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:32:11,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:32:11,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:32:11,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:32:11,600 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:32:11,601 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:32:11,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:32:11,601 INFO L82 PathProgramCache]: Analyzing trace with hash -30691418, now seen corresponding path program 4 times [2021-07-14 15:32:11,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:32:11,602 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002128471] [2021-07-14 15:32:11,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:32:11,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:32:11,644 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:32:11,645 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:32:11,645 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002128471] [2021-07-14 15:32:11,645 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002128471] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:32:11,645 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [918444759] [2021-07-14 15:32:11,645 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:32:11,669 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 15:32:11,669 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:32:11,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 15:32:11,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:32:11,739 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:32:11,740 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [918444759] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:32:11,740 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:32:11,740 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-07-14 15:32:11,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899758660] [2021-07-14 15:32:11,740 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 15:32:11,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:32:11,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 15:32:11,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-07-14 15:32:11,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:32:11,741 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:32:11,741 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) [2021-07-14 15:32:11,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 15:32:11,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:32:11,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:32:11,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:32:11,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:32:11,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:32:11,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 15:32:11,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:32:11,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:32:11,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:32:11,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:32:11,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 15:32:12,040 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:32:12,041 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:32:12,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:32:12,041 INFO L82 PathProgramCache]: Analyzing trace with hash -928362283, now seen corresponding path program 5 times [2021-07-14 15:32:12,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:32:12,042 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195864010] [2021-07-14 15:32:12,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:32:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:32:12,088 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 15:32:12,089 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:32:12,089 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195864010] [2021-07-14 15:32:12,089 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195864010] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:32:12,089 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038802548] [2021-07-14 15:32:12,089 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:32:12,122 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-14 15:32:12,123 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:32:12,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-14 15:32:12,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:32:12,180 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 15:32:12,180 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2038802548] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:32:12,181 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:32:12,181 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-07-14 15:32:12,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867239714] [2021-07-14 15:32:12,183 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 15:32:12,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:32:12,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 15:32:12,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-07-14 15:32:12,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:32:12,189 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:32:12,189 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 15:32:12,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 15:32:12,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:32:12,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:32:12,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:32:12,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:32:12,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 15:32:12,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:32:12,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 15:32:12,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:32:12,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:32:12,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:32:12,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:32:12,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 15:32:12,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:32:12,520 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:32:12,521 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:32:12,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:32:12,521 INFO L82 PathProgramCache]: Analyzing trace with hash 74628437, now seen corresponding path program 6 times [2021-07-14 15:32:12,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:32:12,522 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186762069] [2021-07-14 15:32:12,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:32:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:32:12,603 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:32:12,603 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:32:12,603 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186762069] [2021-07-14 15:32:12,603 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186762069] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:32:12,603 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361331770] [2021-07-14 15:32:12,603 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:32:12,637 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-14 15:32:12,637 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:32:12,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 15:32:12,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:32:12,756 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 15:32:12,756 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [361331770] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:32:12,756 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:32:12,757 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 16 [2021-07-14 15:32:12,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567246955] [2021-07-14 15:32:12,757 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 15:32:12,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:32:12,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 15:32:12,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2021-07-14 15:32:12,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:32:12,758 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:32:12,758 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.7058823529411764) internal successors, (29), 16 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 15:32:12,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 15:32:12,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:32:12,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:32:12,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:32:12,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:32:12,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 15:32:12,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:32:12,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:32:12,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 15:32:12,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:32:12,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:32:12,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:32:12,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:32:12,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 15:32:12,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:32:12,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 15:32:13,133 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-07-14 15:32:13,134 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:32:13,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:32:13,134 INFO L82 PathProgramCache]: Analyzing trace with hash -1958414074, now seen corresponding path program 7 times [2021-07-14 15:32:13,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:32:13,134 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912795358] [2021-07-14 15:32:13,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:32:13,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:32:13,220 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-14 15:32:13,220 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:32:13,221 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912795358] [2021-07-14 15:32:13,221 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912795358] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:32:13,221 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [740358634] [2021-07-14 15:32:13,221 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:32:13,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:32:13,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-14 15:32:13,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:32:13,352 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 15:32:13,352 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [740358634] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:32:13,352 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:32:13,352 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2021-07-14 15:32:13,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164551619] [2021-07-14 15:32:13,352 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-14 15:32:13,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:32:13,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-14 15:32:13,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2021-07-14 15:32:13,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:32:13,353 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:32:13,353 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5625) internal successors, (25), 15 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 15:32:13,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 15:32:13,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:32:13,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:32:13,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:32:13,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:32:13,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 15:32:13,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:32:13,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 15:32:13,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:32:13,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 15:32:13,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:32:13,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:32:13,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:32:13,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:32:13,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 15:32:13,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:32:13,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 15:32:13,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 15:32:13,737 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:32:13,737 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:32:13,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:32:13,738 INFO L82 PathProgramCache]: Analyzing trace with hash -1041767340, now seen corresponding path program 8 times [2021-07-14 15:32:13,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:32:13,738 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446830119] [2021-07-14 15:32:13,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:32:13,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:32:13,837 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:32:13,837 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:32:13,837 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446830119] [2021-07-14 15:32:13,837 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446830119] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:32:13,837 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1456706581] [2021-07-14 15:32:13,837 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:32:13,863 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 15:32:13,863 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:32:13,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-14 15:32:13,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:32:14,231 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-07-14 15:32:14,232 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:32:14,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 43 treesize of output 319 [2021-07-14 15:32:14,973 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 207 [2021-07-14 15:32:15,552 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 288 [2021-07-14 15:32:15,687 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 273 [2021-07-14 15:32:15,846 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 273 [2021-07-14 15:32:16,000 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 286 [2021-07-14 15:32:16,279 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 346 [2021-07-14 15:32:16,525 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 325 [2021-07-14 15:32:18,286 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 315 [2021-07-14 15:32:18,602 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 376 [2021-07-14 15:32:18,896 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 557 DAG size of output: 424 [2021-07-14 15:32:19,972 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 227 [2021-07-14 15:32:20,139 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 277 [2021-07-14 15:32:20,363 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 303 [2021-07-14 15:32:20,893 WARN L205 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 848 DAG size of output: 621 [2021-07-14 15:32:21,530 WARN L205 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 859 DAG size of output: 631 [2021-07-14 15:32:22,322 WARN L205 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 958 DAG size of output: 706 [2021-07-14 15:32:23,453 WARN L205 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 1019 DAG size of output: 750 [2021-07-14 15:32:24,480 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1106 DAG size of output: 776 [2021-07-14 15:32:25,508 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1106 DAG size of output: 776 [2021-07-14 15:32:26,620 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 1112 DAG size of output: 782 [2021-07-14 15:32:27,972 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 784 DAG size of output: 960 [2021-07-14 15:32:28,995 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 737 DAG size of output: 805 [2021-07-14 15:32:30,447 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 282 [2021-07-14 15:32:30,608 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 335 [2021-07-14 15:32:30,857 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 348 [2021-07-14 15:32:31,321 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 726 DAG size of output: 355 [2021-07-14 15:32:32,028 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 441 [2021-07-14 15:32:32,602 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 971 DAG size of output: 480 [2021-07-14 15:32:33,091 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 1114 DAG size of output: 529 [2021-07-14 15:32:33,762 WARN L205 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 1320 DAG size of output: 647 [2021-07-14 15:32:34,430 WARN L205 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 1320 DAG size of output: 647 [2021-07-14 15:32:35,142 WARN L205 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 1324 DAG size of output: 652 [2021-07-14 15:32:35,844 WARN L205 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 675 [2021-07-14 15:32:36,354 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 615 DAG size of output: 517 [2021-07-14 15:32:37,095 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:32:37,097 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:32:37,097 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 15:32:37,097 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-07-14 15:32:37,105 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:32:37,105 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1456706581] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:32:37,105 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:32:37,105 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14] total 23 [2021-07-14 15:32:37,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964393923] [2021-07-14 15:32:37,107 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-14 15:32:37,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:32:37,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-14 15:32:37,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=495, Unknown=0, NotChecked=0, Total=552 [2021-07-14 15:32:37,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:32:37,108 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:32:37,108 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.5416666666666667) internal successors, (37), 23 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 15:32:37,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 15:32:37,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:32:37,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:32:37,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:32:37,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:32:37,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 15:32:37,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:32:37,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 15:32:37,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 15:32:37,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:32:37,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 15:32:37,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:32:37,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:32:37,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:32:37,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:32:37,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 15:32:37,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:32:37,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 15:32:37,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 15:32:37,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:32:37,484 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:32:37,485 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:32:37,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:32:37,485 INFO L82 PathProgramCache]: Analyzing trace with hash -1840489338, now seen corresponding path program 9 times [2021-07-14 15:32:37,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:32:37,485 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343673179] [2021-07-14 15:32:37,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:32:37,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:32:37,654 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 55 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:32:37,654 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:32:37,654 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343673179] [2021-07-14 15:32:37,654 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343673179] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:32:37,654 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1897681816] [2021-07-14 15:32:37,654 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:32:37,682 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-14 15:32:37,682 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:32:37,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-14 15:32:37,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:32:37,744 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 66 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:32:37,744 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1897681816] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:32:37,744 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:32:37,744 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 18 [2021-07-14 15:32:37,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804183795] [2021-07-14 15:32:37,744 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 15:32:37,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:32:37,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 15:32:37,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2021-07-14 15:32:37,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:32:37,745 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:32:37,745 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) [2021-07-14 15:32:37,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 15:32:37,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:32:37,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:32:37,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:32:37,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:32:37,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 15:32:37,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:32:37,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 15:32:37,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 15:32:37,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:32:37,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:32:37,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 15:32:37,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:32:37,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:32:37,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:32:37,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 15:32:37,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 15:32:37,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:32:37,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 15:32:37,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 15:32:37,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:32:37,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 15:32:38,204 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1524 [2021-07-14 15:32:38,205 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:32:38,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:32:38,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1197522955, now seen corresponding path program 10 times [2021-07-14 15:32:38,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:32:38,206 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026989312] [2021-07-14 15:32:38,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:32:38,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:32:38,321 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:32:38,321 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:32:38,321 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026989312] [2021-07-14 15:32:38,321 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026989312] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:32:38,321 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [372361291] [2021-07-14 15:32:38,321 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:32:38,348 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 15:32:38,348 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:32:38,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 39 conjunts are in the unsatisfiable core [2021-07-14 15:32:38,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:32:39,057 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-07-14 15:32:39,057 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:32:39,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 23 new quantified variables, introduced 66 case distinctions, treesize of input 55 treesize of output 568 [2021-07-14 15:32:39,817 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 380 [2021-07-14 15:32:39,966 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 383 [2021-07-14 15:32:41,182 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 513 [2021-07-14 15:32:41,429 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 516 [2021-07-14 15:32:41,877 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 757 [2021-07-14 15:32:42,410 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 938 DAG size of output: 782 [2021-07-14 15:32:43,218 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 397 [2021-07-14 15:32:43,391 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 432 [2021-07-14 15:32:43,608 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 439 [2021-07-14 15:32:44,313 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 387 [2021-07-14 15:32:44,865 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 365 [2021-07-14 15:32:44,985 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 392 [2021-07-14 15:32:45,260 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 687 [2021-07-14 15:32:45,608 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 720 [2021-07-14 15:32:46,033 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 760 DAG size of output: 727 [2021-07-14 15:32:46,761 WARN L205 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 1118 DAG size of output: 985 [2021-07-14 15:32:47,606 WARN L205 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 1140 DAG size of output: 1008 [2021-07-14 15:32:49,094 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1924 DAG size of output: 1536 [2021-07-14 15:32:50,133 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 483 [2021-07-14 15:32:50,341 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 486 [2021-07-14 15:32:51,009 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 344 [2021-07-14 15:32:51,141 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 347 [2021-07-14 15:32:51,524 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 711 [2021-07-14 15:32:51,998 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 737 [2021-07-14 15:32:52,698 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 367 [2021-07-14 15:32:52,854 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 402 [2021-07-14 15:32:53,038 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 408 [2021-07-14 15:32:54,117 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 363 [2021-07-14 15:32:54,353 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 657 [2021-07-14 15:32:54,657 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 690 [2021-07-14 15:32:55,029 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 696 [2021-07-14 15:32:55,659 WARN L205 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 1082 DAG size of output: 940 [2021-07-14 15:32:56,399 WARN L205 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 964 [2021-07-14 15:32:57,728 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1466 [2021-07-14 15:33:01,003 WARN L205 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 3619 DAG size of output: 2834 [2021-07-14 15:33:04,806 WARN L205 SmtUtils]: Spent 3.77 s on a formula simplification. DAG size of input: 3664 DAG size of output: 2879 [2021-07-14 15:33:09,116 WARN L205 SmtUtils]: Spent 4.29 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-07-14 15:33:13,422 WARN L205 SmtUtils]: Spent 4.29 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-07-14 15:33:18,472 WARN L205 SmtUtils]: Spent 5.04 s on a formula simplification. DAG size of input: 3707 DAG size of output: 2922 [2021-07-14 15:33:23,160 WARN L205 SmtUtils]: Spent 4.67 s on a formula simplification. DAG size of input: 2924 DAG size of output: 2915 [2021-07-14 15:33:28,239 WARN L205 SmtUtils]: Spent 5.06 s on a formula simplification. DAG size of input: 2912 DAG size of output: 3217 [2021-07-14 15:33:36,131 WARN L205 SmtUtils]: Spent 7.87 s on a formula simplification. DAG size of input: 2696 DAG size of output: 3553 [2021-07-14 15:33:36,302 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 2516 [2021-07-14 15:33:37,378 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 278 [2021-07-14 15:33:39,241 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 2495 DAG size of output: 2494 [2021-07-14 15:33:45,684 WARN L205 SmtUtils]: Spent 6.43 s on a formula simplification. DAG size of input: 2493 DAG size of output: 3700 [2021-07-14 15:33:45,984 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 2169 DAG size of output: 2169 [2021-07-14 15:33:46,264 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 2126 DAG size of output: 2126 [2021-07-14 15:33:47,224 WARN L205 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 977 [2021-07-14 15:33:47,503 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 339 [2021-07-14 15:33:48,975 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 257 [2021-07-14 15:33:49,196 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 340 [2021-07-14 15:33:49,501 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 396 [2021-07-14 15:33:49,962 WARN L205 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 592 [2021-07-14 15:33:50,974 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 243 [2021-07-14 15:33:51,331 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 265 [2021-07-14 15:33:51,638 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 425 [2021-07-14 15:33:52,100 WARN L205 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 623 [2021-07-14 15:33:53,129 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 1090 DAG size of output: 844 [2021-07-14 15:33:54,195 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 253 [2021-07-14 15:33:54,414 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 322 [2021-07-14 15:33:54,696 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 350 [2021-07-14 15:33:55,648 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 285 [2021-07-14 15:33:55,892 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 391 [2021-07-14 15:33:56,205 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 449 [2021-07-14 15:33:57,121 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 238 [2021-07-14 15:33:57,318 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 360 [2021-07-14 15:33:57,585 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 396 [2021-07-14 15:33:57,923 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 455 [2021-07-14 15:33:58,655 WARN L205 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 659 [2021-07-14 15:33:59,621 WARN L205 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 827 DAG size of output: 710 [2021-07-14 15:34:00,474 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 245 [2021-07-14 15:34:00,642 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 305 [2021-07-14 15:34:00,875 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 409 [2021-07-14 15:34:01,179 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 472 [2021-07-14 15:34:02,169 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 221 [2021-07-14 15:34:02,325 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 275 [2021-07-14 15:34:02,530 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 374 [2021-07-14 15:34:02,804 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 411 [2021-07-14 15:34:03,158 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 475 [2021-07-14 15:34:03,889 WARN L205 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 714 [2021-07-14 15:34:05,710 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 1682 DAG size of output: 1237 [2021-07-14 15:34:08,690 WARN L205 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 2518 DAG size of output: 1697 [2021-07-14 15:34:12,109 WARN L205 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 2537 DAG size of output: 1736 [2021-07-14 15:34:16,485 WARN L205 SmtUtils]: Spent 4.36 s on a formula simplification. DAG size of input: 2890 DAG size of output: 1831 [2021-07-14 15:34:17,569 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 700 DAG size of output: 1050 [2021-07-14 15:34:17,944 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 660 [2021-07-14 15:34:18,523 WARN L205 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 647 DAG size of output: 823 [2021-07-14 15:34:19,527 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 257 [2021-07-14 15:34:19,735 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 285 [2021-07-14 15:34:20,001 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 348 [2021-07-14 15:34:20,388 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 513 [2021-07-14 15:34:20,578 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 429 [2021-07-14 15:34:21,538 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 283 [2021-07-14 15:34:21,726 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 309 [2021-07-14 15:34:22,635 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 270 [2021-07-14 15:34:22,862 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 296 [2021-07-14 15:34:23,247 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 492 [2021-07-14 15:34:23,773 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 624 [2021-07-14 15:34:24,522 WARN L205 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 814 [2021-07-14 15:34:25,733 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 1338 DAG size of output: 1058 [2021-07-14 15:34:27,416 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 1723 DAG size of output: 1396 [2021-07-14 15:34:28,087 WARN L205 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 828 [2021-07-14 15:34:28,688 WARN L205 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 766 [2021-07-14 15:34:29,069 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 639 [2021-07-14 15:34:29,180 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 332 [2021-07-14 15:34:30,711 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 224 [2021-07-14 15:34:30,840 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 248 [2021-07-14 15:34:30,995 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 212 [2021-07-14 15:34:31,294 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 388 [2021-07-14 15:34:31,903 WARN L205 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 707 [2021-07-14 15:34:32,830 WARN L205 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 1357 DAG size of output: 863 [2021-07-14 15:34:34,176 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 1729 DAG size of output: 1197 [2021-07-14 15:34:37,543 WARN L205 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 2363 DAG size of output: 1672 [2021-07-14 15:34:41,416 WARN L205 SmtUtils]: Spent 3.86 s on a formula simplification. DAG size of input: 2424 DAG size of output: 1716 [2021-07-14 15:34:46,926 WARN L205 SmtUtils]: Spent 5.50 s on a formula simplification. DAG size of input: 2831 DAG size of output: 1844 [2021-07-14 15:34:57,927 WARN L205 SmtUtils]: Spent 10.99 s on a formula simplification. DAG size of input: 5382 DAG size of output: 3237 [2021-07-14 15:34:59,178 WARN L205 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 707 DAG size of output: 1000 [2021-07-14 15:34:59,745 WARN L205 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 712 [2021-07-14 15:35:00,525 WARN L205 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 877 [2021-07-14 15:35:01,019 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 729 [2021-07-14 15:35:01,854 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 262 [2021-07-14 15:35:02,063 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 300 [2021-07-14 15:35:02,287 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 374 [2021-07-14 15:35:03,191 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 229 [2021-07-14 15:35:04,052 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 344 [2021-07-14 15:35:05,003 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 334 [2021-07-14 15:35:06,114 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 369 [2021-07-14 15:35:06,542 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 560 [2021-07-14 15:35:07,338 WARN L205 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 902 DAG size of output: 726 [2021-07-14 15:35:08,314 WARN L205 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 962 DAG size of output: 768 [2021-07-14 15:35:09,534 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 1071 DAG size of output: 879 [2021-07-14 15:35:10,828 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1304 DAG size of output: 904 [2021-07-14 15:35:12,726 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 1744 DAG size of output: 1304 [2021-07-14 15:35:15,314 WARN L205 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 2015 DAG size of output: 1655 [2021-07-14 15:35:16,141 WARN L205 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 879 [2021-07-14 15:35:16,510 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 490 [2021-07-14 15:35:16,798 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 491 [2021-07-14 15:35:18,040 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 260 [2021-07-14 15:35:18,931 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 289 [2021-07-14 15:35:19,205 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 317 [2021-07-14 15:35:19,597 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 433 [2021-07-14 15:35:20,310 WARN L205 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 821 DAG size of output: 666 [2021-07-14 15:35:21,366 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 945 DAG size of output: 803 [2021-07-14 15:35:21,544 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 354 [2021-07-14 15:35:22,277 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 338 [2021-07-14 15:35:22,462 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 377 [2021-07-14 15:35:22,739 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 443 [2021-07-14 15:35:24,015 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 1314 DAG size of output: 1007 [2021-07-14 15:35:25,885 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 1586 DAG size of output: 1355 [2021-07-14 15:35:30,737 WARN L205 SmtUtils]: Spent 4.84 s on a formula simplification. DAG size of input: 2617 DAG size of output: 2064 [2021-07-14 15:35:37,420 WARN L205 SmtUtils]: Spent 6.67 s on a formula simplification. DAG size of input: 2989 DAG size of output: 2220 [2021-07-14 15:35:44,918 WARN L205 SmtUtils]: Spent 7.48 s on a formula simplification. DAG size of input: 3049 DAG size of output: 2305 [2021-07-14 15:35:45,569 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 573 [2021-07-14 15:35:46,273 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 296 [2021-07-14 15:35:46,443 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 358 [2021-07-14 15:35:47,149 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 451 [2021-07-14 15:35:48,090 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 215 [2021-07-14 15:35:48,248 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 254 [2021-07-14 15:35:48,475 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 348 [2021-07-14 15:35:48,773 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 399 [2021-07-14 15:35:49,150 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 425 [2021-07-14 15:35:49,609 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 485 [2021-07-14 15:35:50,151 WARN L205 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 521 [2021-07-14 15:35:51,251 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 221 [2021-07-14 15:35:51,442 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 328 [2021-07-14 15:35:51,695 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 369 [2021-07-14 15:35:52,016 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 394 [2021-07-14 15:35:52,480 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 433 [2021-07-14 15:35:53,011 WARN L205 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 517 [2021-07-14 15:35:53,649 WARN L205 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 580 [2021-07-14 15:35:54,957 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 978 DAG size of output: 863 [2021-07-14 15:35:55,839 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 202 [2021-07-14 15:35:55,999 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 256 [2021-07-14 15:35:56,247 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 384 [2021-07-14 15:35:56,579 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 442 [2021-07-14 15:35:56,773 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 292 [2021-07-14 15:35:57,400 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 328 [2021-07-14 15:35:57,620 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 391 [2021-07-14 15:35:57,913 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 450 [2021-07-14 15:35:58,596 WARN L205 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 639 [2021-07-14 15:35:59,672 WARN L205 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 800 DAG size of output: 715 [2021-07-14 15:36:02,106 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 1872 DAG size of output: 1482 [2021-07-14 15:36:05,298 WARN L205 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 2070 DAG size of output: 1568 [2021-07-14 15:36:05,438 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 361 [2021-07-14 15:36:06,020 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 344 [2021-07-14 15:36:06,205 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 367 [2021-07-14 15:36:06,807 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 246 [2021-07-14 15:36:07,149 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 486 [2021-07-14 15:36:08,146 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 243 [2021-07-14 15:36:08,287 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 266 [2021-07-14 15:36:08,485 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 324 [2021-07-14 15:36:08,766 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 457 [2021-07-14 15:36:09,164 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 599 [2021-07-14 15:36:10,004 WARN L205 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 817 [2021-07-14 15:36:11,167 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 1006 DAG size of output: 867 [2021-07-14 15:36:12,378 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 388 [2021-07-14 15:36:12,610 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 406 [2021-07-14 15:36:12,884 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 422 [2021-07-14 15:36:13,249 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 470 [2021-07-14 15:36:14,988 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 1433 DAG size of output: 1082 [2021-07-14 15:36:20,138 WARN L205 SmtUtils]: Spent 5.14 s on a formula simplification. DAG size of input: 2994 DAG size of output: 2129 [2021-07-14 15:36:25,970 WARN L205 SmtUtils]: Spent 5.82 s on a formula simplification. DAG size of input: 3038 DAG size of output: 2179 [2021-07-14 15:36:40,355 WARN L205 SmtUtils]: Spent 14.37 s on a formula simplification. DAG size of input: 5719 DAG size of output: 3928 [2021-07-14 15:37:08,215 WARN L205 SmtUtils]: Spent 27.83 s on a formula simplification. DAG size of input: 8989 DAG size of output: 5710 [2021-07-14 15:37:09,240 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 329 [2021-07-14 15:37:09,427 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 340 [2021-07-14 15:37:40,614 WARN L205 SmtUtils]: Spent 31.17 s on a formula simplification. DAG size of input: 9287 DAG size of output: 5929 [2021-07-14 15:38:17,733 WARN L205 SmtUtils]: Spent 37.07 s on a formula simplification. DAG size of input: 10982 DAG size of output: 7649 [2021-07-14 15:38:18,824 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 295 [2021-07-14 15:38:19,025 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 410 [2021-07-14 15:38:19,264 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 416 [2021-07-14 15:38:56,757 WARN L205 SmtUtils]: Spent 37.48 s on a formula simplification. DAG size of input: 11394 DAG size of output: 7943 [2021-07-14 15:39:35,056 WARN L205 SmtUtils]: Spent 38.25 s on a formula simplification. DAG size of input: 11649 DAG size of output: 8097 [2021-07-14 15:40:20,715 WARN L205 SmtUtils]: Spent 45.61 s on a formula simplification. DAG size of input: 12976 DAG size of output: 9218 [2021-07-14 15:40:24,309 WARN L205 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1636 [2021-07-14 15:40:24,472 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 1238 [2021-07-14 15:40:25,889 WARN L205 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 1217 DAG size of output: 1216 [2021-07-14 15:40:26,530 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 240 [2021-07-14 15:40:29,437 WARN L205 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 1215 DAG size of output: 1779 [2021-07-14 15:40:29,589 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 1093 DAG size of output: 1093 [2021-07-14 15:40:29,736 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 1052 DAG size of output: 1052 [2021-07-14 15:40:30,834 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 686 DAG size of output: 991 [2021-07-14 15:40:31,540 WARN L205 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 739 [2021-07-14 15:40:32,491 WARN L205 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 766 [2021-07-14 15:40:33,247 WARN L205 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 791 [2021-07-14 15:40:33,599 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 441 [2021-07-14 15:40:34,304 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2021-07-14 15:40:34,474 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 291 [2021-07-14 15:40:34,872 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 348 [2021-07-14 15:40:35,211 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 453 [2021-07-14 15:40:35,627 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 477 [2021-07-14 15:40:36,951 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 207 [2021-07-14 15:40:37,192 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 417 [2021-07-14 15:40:37,509 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 435 [2021-07-14 15:40:38,316 WARN L205 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 758 [2021-07-14 15:40:39,361 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 1152 DAG size of output: 843 [2021-07-14 15:40:40,778 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1015 [2021-07-14 15:40:41,674 WARN L205 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 765 [2021-07-14 15:40:42,747 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 675 DAG size of output: 790 [2021-07-14 15:40:43,039 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 428 [2021-07-14 15:40:43,744 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 281 [2021-07-14 15:40:43,958 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 391 [2021-07-14 15:40:44,308 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 464 [2021-07-14 15:40:44,548 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 267 [2021-07-14 15:40:45,196 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2021-07-14 15:40:45,369 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2021-07-14 15:40:46,198 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 265 [2021-07-14 15:40:46,378 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 290 [2021-07-14 15:40:46,779 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 384 [2021-07-14 15:40:47,720 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 261 [2021-07-14 15:40:48,229 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 319 [2021-07-14 15:40:48,522 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 344 [2021-07-14 15:40:49,314 WARN L205 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 516 [2021-07-14 15:40:50,326 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 592 DAG size of output: 578 [2021-07-14 15:40:51,620 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 819 DAG size of output: 697 [2021-07-14 15:40:53,350 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 1184 DAG size of output: 905 [2021-07-14 15:40:55,544 WARN L205 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 1312 DAG size of output: 996 [2021-07-14 15:40:58,280 WARN L205 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 1416 DAG size of output: 1170 [2021-07-14 15:41:02,831 WARN L205 SmtUtils]: Spent 4.54 s on a formula simplification. DAG size of input: 1833 DAG size of output: 1517 [2021-07-14 15:41:08,937 WARN L205 SmtUtils]: Spent 6.10 s on a formula simplification. DAG size of input: 2174 DAG size of output: 1614 [2021-07-14 15:41:09,335 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 546 [2021-07-14 15:41:09,530 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 391 [2021-07-14 15:41:09,730 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 417 [2021-07-14 15:41:10,067 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 455 [2021-07-14 15:41:11,577 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 216 [2021-07-14 15:41:11,751 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 246 [2021-07-14 15:41:11,991 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 330 [2021-07-14 15:41:12,379 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 656 DAG size of output: 454 [2021-07-14 15:41:12,903 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 836 DAG size of output: 572 [2021-07-14 15:41:13,185 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 323 [2021-07-14 15:41:14,430 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 162 [2021-07-14 15:41:14,605 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 220 [2021-07-14 15:41:14,804 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 247 [2021-07-14 15:41:15,094 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 336 [2021-07-14 15:41:15,462 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 404 [2021-07-14 15:41:16,035 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 290 [2021-07-14 15:41:16,621 WARN L205 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 847 DAG size of output: 578 [2021-07-14 15:41:17,839 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 933 DAG size of output: 641 [2021-07-14 15:41:19,275 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 960 DAG size of output: 668 [2021-07-14 15:41:21,186 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 1138 DAG size of output: 701 [2021-07-14 15:41:21,422 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 487 [2021-07-14 15:41:21,669 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-07-14 15:41:21,844 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-07-14 15:41:22,036 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 362 [2021-07-14 15:41:23,157 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 219 [2021-07-14 15:41:23,355 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 243 [2021-07-14 15:41:23,607 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 341 [2021-07-14 15:41:23,952 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 403 [2021-07-14 15:41:24,429 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 476 [2021-07-14 15:41:24,606 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-07-14 15:41:24,787 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-07-14 15:41:25,884 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 313 [2021-07-14 15:41:26,057 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 333 [2021-07-14 15:41:26,324 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 401 [2021-07-14 15:41:26,704 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 471 [2021-07-14 15:41:27,680 WARN L205 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 837 DAG size of output: 632 [2021-07-14 15:41:28,977 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1009 DAG size of output: 667 [2021-07-14 15:41:32,225 WARN L205 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 1961 DAG size of output: 1076 [2021-07-14 15:41:41,686 WARN L205 SmtUtils]: Spent 9.45 s on a formula simplification. DAG size of input: 3390 DAG size of output: 2173 [2021-07-14 15:41:52,689 WARN L205 SmtUtils]: Spent 10.59 s on a formula simplification. DAG size of input: 3507 DAG size of output: 2263 [2021-07-14 15:42:05,240 WARN L205 SmtUtils]: Spent 12.53 s on a formula simplification. DAG size of input: 4235 DAG size of output: 2787 [2021-07-14 15:42:18,178 WARN L205 SmtUtils]: Spent 12.92 s on a formula simplification. DAG size of input: 4456 DAG size of output: 2926 [2021-07-14 15:42:31,239 WARN L205 SmtUtils]: Spent 13.04 s on a formula simplification. DAG size of input: 4635 DAG size of output: 3051 [2021-07-14 15:42:46,354 WARN L205 SmtUtils]: Spent 15.10 s on a formula simplification. DAG size of input: 5120 DAG size of output: 3306 [2021-07-14 15:43:49,026 WARN L205 SmtUtils]: Spent 1.04 m on a formula simplification. DAG size of input: 16679 DAG size of output: 11341 [2021-07-14 15:44:57,692 WARN L205 SmtUtils]: Spent 1.14 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 [2021-07-14 15:46:06,576 WARN L205 SmtUtils]: Spent 1.15 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown