/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 20:41:59,637 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 20:41:59,639 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 20:41:59,673 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 20:41:59,732 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random521.epf [2021-06-06 20:41:59,765 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 20:41:59,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 20:41:59,765 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 20:41:59,766 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 20:41:59,766 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 20:41:59,767 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 20:41:59,767 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 20:41:59,767 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 20:41:59,767 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 20:41:59,767 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 20:41:59,767 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 20:41:59,768 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 20:41:59,768 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 20:41:59,768 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 20:41:59,768 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 20:41:59,768 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 20:41:59,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 20:41:59,771 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 20:41:59,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 20:41:59,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 20:41:59,771 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 20:41:59,771 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 20:41:59,771 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 20:41:59,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 20:41:59,772 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 20:41:59,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 20:41:59,772 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 20:41:59,772 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 20:41:59,773 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 20:41:59,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 20:41:59,773 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 20:41:59,773 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 20:41:59,774 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 20:41:59,774 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 20:41:59,774 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 20:41:59,774 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 20:42:00,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 20:42:00,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 20:42:00,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 20:42:00,102 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 20:42:00,103 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 20:42:00,104 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl [2021-06-06 20:42:00,104 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl' [2021-06-06 20:42:00,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 20:42:00,139 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 20:42:00,140 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 20:42:00,141 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 20:42:00,141 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 20:42:00,152 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 06.06 08:42:00" (1/1) ... [2021-06-06 20:42:00,160 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 06.06 08:42:00" (1/1) ... [2021-06-06 20:42:00,166 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 20:42:00,167 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 20:42:00,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 20:42:00,168 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 20:42:00,174 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:42:00" (1/1) ... [2021-06-06 20:42:00,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:42:00" (1/1) ... [2021-06-06 20:42:00,175 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:42:00" (1/1) ... [2021-06-06 20:42:00,175 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:42:00" (1/1) ... [2021-06-06 20:42:00,178 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:42:00" (1/1) ... [2021-06-06 20:42:00,182 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:42:00" (1/1) ... [2021-06-06 20:42:00,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:42:00" (1/1) ... [2021-06-06 20:42:00,184 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 20:42:00,185 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 20:42:00,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 20:42:00,186 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 20:42:00,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:42:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 20:42:00,247 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 20:42:00,247 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 20:42:00,247 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 20:42:00,247 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 20:42:00,247 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 20:42:00,248 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 20:42:00,248 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 20:42:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 20:42:00,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 20:42:00,249 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 20:42:00,550 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 20:42:00,550 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-06-06 20:42:00,551 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-06 20:42:00,551 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-06-06 20:42:00,552 INFO L202 PluginConnector]: Adding new model unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 08:42:00 BoogieIcfgContainer [2021-06-06 20:42:00,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 20:42:00,554 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 20:42:00,554 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 20:42:00,556 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 20:42:00,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:42:00" (1/2) ... [2021-06-06 20:42:00,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2747a914 and model type unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 08:42:00, skipping insertion in model container [2021-06-06 20:42:00,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 08:42:00" (2/2) ... [2021-06-06 20:42:00,558 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-3.wvr.bpl [2021-06-06 20:42:00,563 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 20:42:00,563 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 20:42:00,563 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 20:42:00,564 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 20:42:00,611 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-06 20:42:00,639 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 20:42:00,695 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 20:42:00,695 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 20:42:00,695 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 20:42:00,696 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 20:42:00,696 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 20:42:00,696 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 20:42:00,696 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 20:42:00,696 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 20:42:00,724 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:42:00,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:42:00,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1920837459, now seen corresponding path program 1 times [2021-06-06 20:42:00,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:42:00,736 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944374237] [2021-06-06 20:42:00,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:42:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:42:00,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:42:00,862 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:42:00,862 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944374237] [2021-06-06 20:42:00,863 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944374237] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 20:42:00,864 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 20:42:00,864 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-06 20:42:00,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730415346] [2021-06-06 20:42:00,869 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 20:42:00,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:42:00,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 20:42:00,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 20:42:00,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:00,885 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:42:00,887 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:42:00,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:00,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:00,905 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 20:42:00,905 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:42:00,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:42:00,908 INFO L82 PathProgramCache]: Analyzing trace with hash 266347891, now seen corresponding path program 1 times [2021-06-06 20:42:00,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:42:00,909 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754498591] [2021-06-06 20:42:00,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:42:00,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:42:00,962 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:42:00,962 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:42:00,962 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754498591] [2021-06-06 20:42:00,962 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754498591] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 20:42:00,963 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 20:42:00,963 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 20:42:00,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575490733] [2021-06-06 20:42:00,964 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 20:42:00,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:42:00,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 20:42:00,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 20:42:00,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:00,965 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:42:00,965 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:42:00,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:00,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:00,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:00,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:00,983 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 20:42:00,984 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:42:00,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:42:00,984 INFO L82 PathProgramCache]: Analyzing trace with hash -1168952826, now seen corresponding path program 1 times [2021-06-06 20:42:00,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:42:00,984 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378129551] [2021-06-06 20:42:00,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:42:00,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:42:01,034 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 20:42:01,034 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:42:01,035 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378129551] [2021-06-06 20:42:01,035 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378129551] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:01,035 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [821237575] [2021-06-06 20:42:01,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:42:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:42:01,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-06 20:42:01,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:42:01,190 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 20:42:01,191 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [821237575] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:01,191 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:42:01,191 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-06-06 20:42:01,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234328055] [2021-06-06 20:42:01,191 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 20:42:01,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:42:01,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 20:42:01,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 20:42:01,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:01,192 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:42:01,193 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:42:01,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:01,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:01,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:01,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:01,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:01,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:01,427 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:42:01,427 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:42:01,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:42:01,428 INFO L82 PathProgramCache]: Analyzing trace with hash -1995528154, now seen corresponding path program 2 times [2021-06-06 20:42:01,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:42:01,428 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627537562] [2021-06-06 20:42:01,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:42:01,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:42:01,473 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 20:42:01,474 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:42:01,474 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627537562] [2021-06-06 20:42:01,474 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627537562] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:01,474 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956766003] [2021-06-06 20:42:01,474 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:42:01,523 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 20:42:01,523 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 20:42:01,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-06 20:42:01,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:42:01,573 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 20:42:01,574 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1956766003] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:01,574 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:42:01,574 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-06-06 20:42:01,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796635595] [2021-06-06 20:42:01,575 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 20:42:01,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:42:01,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 20:42:01,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-06 20:42:01,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:01,576 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:42:01,576 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:42:01,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:01,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:01,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:01,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:01,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:01,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:01,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:01,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:42:01,824 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:42:01,825 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:42:01,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:42:01,825 INFO L82 PathProgramCache]: Analyzing trace with hash -1849559546, now seen corresponding path program 3 times [2021-06-06 20:42:01,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:42:01,826 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301785658] [2021-06-06 20:42:01,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:42:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:42:01,884 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:42:01,885 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:42:01,885 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301785658] [2021-06-06 20:42:01,885 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301785658] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:01,885 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2095845020] [2021-06-06 20:42:01,885 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:42:01,932 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-06 20:42:01,933 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 20:42:01,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-06 20:42:01,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:42:02,098 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:42:02,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-06-06 20:42:02,126 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 20:42:02,128 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:42:02,128 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 20:42:02,128 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-06-06 20:42:02,136 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:42:02,136 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2095845020] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:02,136 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:42:02,136 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 9 [2021-06-06 20:42:02,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472270356] [2021-06-06 20:42:02,137 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-06 20:42:02,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:42:02,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-06 20:42:02,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-06-06 20:42:02,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:02,138 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:42:02,138 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) [2021-06-06 20:42:02,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:02,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:02,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:02,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:42:02,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:02,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:02,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:02,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:02,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:42:02,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:42:02,376 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:42:02,377 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:42:02,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:42:02,377 INFO L82 PathProgramCache]: Analyzing trace with hash -1619499994, now seen corresponding path program 4 times [2021-06-06 20:42:02,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:42:02,378 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261490004] [2021-06-06 20:42:02,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:42:02,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:42:02,431 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:42:02,431 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:42:02,432 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261490004] [2021-06-06 20:42:02,432 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261490004] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:02,432 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1712001795] [2021-06-06 20:42:02,432 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:42:02,473 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 20:42:02,473 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 20:42:02,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 20:42:02,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:42:02,527 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:42:02,528 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1712001795] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:02,528 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:42:02,528 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-06-06 20:42:02,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201923023] [2021-06-06 20:42:02,529 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-06 20:42:02,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:42:02,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-06 20:42:02,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-06-06 20:42:02,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:02,530 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:42:02,530 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:42:02,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:02,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:02,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:02,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:42:02,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:42:02,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:02,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:02,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:02,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:02,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:42:02,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:42:02,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:42:02,846 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:42:02,846 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:42:02,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:42:02,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1358179413, now seen corresponding path program 5 times [2021-06-06 20:42:02,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:42:02,847 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61383691] [2021-06-06 20:42:02,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:42:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:42:02,940 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-06 20:42:02,941 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:42:02,941 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61383691] [2021-06-06 20:42:02,946 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61383691] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:02,946 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [410611341] [2021-06-06 20:42:02,946 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:42:02,975 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-06 20:42:02,975 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 20:42:02,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-06 20:42:02,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:42:03,052 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-06 20:42:03,052 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [410611341] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:03,053 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:42:03,053 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-06 20:42:03,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713195249] [2021-06-06 20:42:03,053 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 20:42:03,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:42:03,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 20:42:03,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-06-06 20:42:03,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:03,056 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:42:03,056 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:42:03,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:03,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:03,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:03,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:42:03,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:42:03,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:42:03,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:03,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:03,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:03,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:03,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:42:03,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:42:03,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:42:03,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 20:42:03,394 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:42:03,394 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:42:03,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:42:03,395 INFO L82 PathProgramCache]: Analyzing trace with hash -575884203, now seen corresponding path program 6 times [2021-06-06 20:42:03,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:42:03,395 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536300034] [2021-06-06 20:42:03,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:42:03,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:42:03,515 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:42:03,515 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:42:03,515 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536300034] [2021-06-06 20:42:03,515 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536300034] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:03,515 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [185844620] [2021-06-06 20:42:03,515 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:42:03,547 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-06 20:42:03,547 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 20:42:03,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 20:42:03,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:42:03,645 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 20:42:03,645 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [185844620] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:03,645 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:42:03,645 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 16 [2021-06-06 20:42:03,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293963717] [2021-06-06 20:42:03,646 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-06 20:42:03,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:42:03,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-06 20:42:03,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2021-06-06 20:42:03,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:03,647 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:42:03,647 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) [2021-06-06 20:42:03,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:03,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:03,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:03,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:42:03,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:42:03,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:42:03,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 20:42:03,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:03,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:03,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:03,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:03,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:42:03,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:42:03,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:42:03,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 20:42:03,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 20:42:04,033 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-06-06 20:42:04,034 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:42:04,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:42:04,034 INFO L82 PathProgramCache]: Analyzing trace with hash -649469434, now seen corresponding path program 7 times [2021-06-06 20:42:04,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:42:04,034 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659997195] [2021-06-06 20:42:04,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:42:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:42:04,173 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-06 20:42:04,174 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:42:04,174 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659997195] [2021-06-06 20:42:04,174 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659997195] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:04,175 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [552290319] [2021-06-06 20:42:04,175 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:42:04,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:42:04,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-06 20:42:04,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:42:04,343 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-06 20:42:04,343 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [552290319] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:04,343 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:42:04,343 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2021-06-06 20:42:04,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861033841] [2021-06-06 20:42:04,344 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-06 20:42:04,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:42:04,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-06 20:42:04,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2021-06-06 20:42:04,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:04,344 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:42:04,345 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.625) internal successors, (26), 15 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:42:04,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:04,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:04,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:04,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:42:04,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:42:04,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:42:04,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 20:42:04,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 20:42:04,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:04,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:04,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:04,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:04,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:42:04,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:42:04,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:42:04,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 20:42:04,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 20:42:04,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 20:42:04,769 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-06-06 20:42:04,770 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:42:04,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:42:04,770 INFO L82 PathProgramCache]: Analyzing trace with hash -801026074, now seen corresponding path program 8 times [2021-06-06 20:42:04,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:42:04,770 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594379674] [2021-06-06 20:42:04,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:42:04,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:42:04,857 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:42:04,857 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:42:04,857 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594379674] [2021-06-06 20:42:04,857 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594379674] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:04,857 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [286950038] [2021-06-06 20:42:04,857 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:42:04,918 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 20:42:04,918 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 20:42:04,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-06 20:42:04,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:42:05,367 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-06-06 20:42:05,367 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:42:05,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 43 treesize of output 319 [2021-06-06 20:42:06,250 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 207 [2021-06-06 20:42:06,932 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 288 [2021-06-06 20:42:07,152 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 273 [2021-06-06 20:42:07,330 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 273 [2021-06-06 20:42:07,484 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 286 [2021-06-06 20:42:07,796 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 346 [2021-06-06 20:42:08,007 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 325 [2021-06-06 20:42:08,112 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 261 [2021-06-06 20:42:10,036 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 224 [2021-06-06 20:42:10,216 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 315 [2021-06-06 20:42:10,628 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 376 [2021-06-06 20:42:10,898 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 557 DAG size of output: 424 [2021-06-06 20:42:11,607 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 172 [2021-06-06 20:42:12,305 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 227 [2021-06-06 20:42:12,475 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 277 [2021-06-06 20:42:12,718 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 303 [2021-06-06 20:42:13,257 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 848 DAG size of output: 621 [2021-06-06 20:42:13,908 WARN L205 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 859 DAG size of output: 631 [2021-06-06 20:42:14,753 WARN L205 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 958 DAG size of output: 706 [2021-06-06 20:42:16,028 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 1019 DAG size of output: 750 [2021-06-06 20:42:17,087 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 1106 DAG size of output: 776 [2021-06-06 20:42:18,143 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 1106 DAG size of output: 776 [2021-06-06 20:42:19,280 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 1112 DAG size of output: 782 [2021-06-06 20:42:20,664 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 784 DAG size of output: 960 [2021-06-06 20:42:21,700 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 737 DAG size of output: 805 [2021-06-06 20:42:23,360 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 282 [2021-06-06 20:42:23,536 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 335 [2021-06-06 20:42:23,868 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 348 [2021-06-06 20:42:24,434 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 726 DAG size of output: 355 [2021-06-06 20:42:25,186 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 441 [2021-06-06 20:42:25,774 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 971 DAG size of output: 480 [2021-06-06 20:42:26,278 WARN L205 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 1114 DAG size of output: 529 [2021-06-06 20:42:26,963 WARN L205 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 1320 DAG size of output: 647 [2021-06-06 20:42:27,639 WARN L205 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 1320 DAG size of output: 647 [2021-06-06 20:42:28,376 WARN L205 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 1324 DAG size of output: 652 [2021-06-06 20:42:29,098 WARN L205 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 675 [2021-06-06 20:42:29,690 WARN L205 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 615 DAG size of output: 517 [2021-06-06 20:42:30,482 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 20:42:30,484 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:42:30,484 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 20:42:30,484 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-06-06 20:42:30,490 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:42:30,490 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [286950038] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:30,490 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:42:30,491 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14] total 23 [2021-06-06 20:42:30,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601101950] [2021-06-06 20:42:30,491 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-06 20:42:30,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:42:30,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-06 20:42:30,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=495, Unknown=0, NotChecked=0, Total=552 [2021-06-06 20:42:30,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:30,492 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:42:30,492 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) [2021-06-06 20:42:30,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:30,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:30,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:30,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:42:30,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:42:30,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:42:30,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 20:42:30,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 20:42:30,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 20:42:30,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:30,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:30,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:30,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:30,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:42:30,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:42:30,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:42:30,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 20:42:30,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 20:42:30,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 20:42:30,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 20:42:30,805 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:42:30,806 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:42:30,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:42:30,806 INFO L82 PathProgramCache]: Analyzing trace with hash -1834591738, now seen corresponding path program 9 times [2021-06-06 20:42:30,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:42:30,806 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349830950] [2021-06-06 20:42:30,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:42:30,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:42:30,982 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 55 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:42:30,982 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:42:30,982 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349830950] [2021-06-06 20:42:30,982 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349830950] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:30,982 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141870920] [2021-06-06 20:42:30,982 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:42:31,023 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-06-06 20:42:31,023 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 20:42:31,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-06 20:42:31,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:42:31,096 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 66 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:42:31,096 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1141870920] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:31,097 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:42:31,097 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 18 [2021-06-06 20:42:31,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601873872] [2021-06-06 20:42:31,097 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-06 20:42:31,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:42:31,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-06 20:42:31,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2021-06-06 20:42:31,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:31,098 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:42:31,098 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:42:31,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:31,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:31,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:31,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:42:31,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:42:31,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:42:31,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 20:42:31,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 20:42:31,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 20:42:31,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 20:42:31,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:42:31,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:42:31,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:31,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:42:31,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 20:42:31,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 20:42:31,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 20:42:31,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 20:42:31,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 20:42:31,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 20:42:31,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 20:42:31,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 20:42:31,528 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1524,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:42:31,529 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:42:31,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:42:31,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1014697355, now seen corresponding path program 10 times [2021-06-06 20:42:31,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:42:31,529 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345179397] [2021-06-06 20:42:31,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:42:31,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:42:31,647 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:42:31,647 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:42:31,648 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345179397] [2021-06-06 20:42:31,648 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345179397] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:42:31,648 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [101706887] [2021-06-06 20:42:31,648 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:42:31,683 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 20:42:31,683 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 20:42:31,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 39 conjunts are in the unsatisfiable core [2021-06-06 20:42:31,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:42:32,401 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-06-06 20:42:32,401 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 20:42:32,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 23 new quantified variables, introduced 66 case distinctions, treesize of input 55 treesize of output 568 [2021-06-06 20:42:33,378 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 380 [2021-06-06 20:42:33,544 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 383 [2021-06-06 20:42:34,917 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 513 [2021-06-06 20:42:35,160 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 516 [2021-06-06 20:42:35,618 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 757 [2021-06-06 20:42:36,166 WARN L205 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 938 DAG size of output: 782 [2021-06-06 20:42:37,107 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 397 [2021-06-06 20:42:37,299 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 432 [2021-06-06 20:42:37,519 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 439 [2021-06-06 20:42:38,424 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 387 [2021-06-06 20:42:39,138 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 392 [2021-06-06 20:42:39,433 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 687 [2021-06-06 20:42:39,786 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 720 [2021-06-06 20:42:40,229 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 760 DAG size of output: 727 [2021-06-06 20:42:40,978 WARN L205 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 1118 DAG size of output: 985 [2021-06-06 20:42:41,846 WARN L205 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 1140 DAG size of output: 1008 [2021-06-06 20:42:43,374 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1924 DAG size of output: 1536 [2021-06-06 20:42:44,566 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 483 [2021-06-06 20:42:44,776 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 486 [2021-06-06 20:42:45,636 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 347 [2021-06-06 20:42:46,032 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 711 [2021-06-06 20:42:46,505 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 737 [2021-06-06 20:42:47,216 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 367 [2021-06-06 20:42:47,365 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 402 [2021-06-06 20:42:47,558 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 408 [2021-06-06 20:42:48,679 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 363 [2021-06-06 20:42:48,913 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 657 [2021-06-06 20:42:49,228 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 690 [2021-06-06 20:42:49,604 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 696 [2021-06-06 20:42:50,251 WARN L205 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 1082 DAG size of output: 940 [2021-06-06 20:42:51,010 WARN L205 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 964 [2021-06-06 20:42:52,361 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1466 [2021-06-06 20:42:55,698 WARN L205 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 3619 DAG size of output: 2834 [2021-06-06 20:42:59,554 WARN L205 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 3664 DAG size of output: 2879 [2021-06-06 20:43:04,008 WARN L205 SmtUtils]: Spent 4.44 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-06-06 20:43:08,458 WARN L205 SmtUtils]: Spent 4.43 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-06-06 20:43:13,719 WARN L205 SmtUtils]: Spent 5.25 s on a formula simplification. DAG size of input: 3707 DAG size of output: 2922 [2021-06-06 20:43:18,586 WARN L205 SmtUtils]: Spent 4.85 s on a formula simplification. DAG size of input: 2924 DAG size of output: 2915 [2021-06-06 20:43:23,852 WARN L205 SmtUtils]: Spent 5.24 s on a formula simplification. DAG size of input: 2912 DAG size of output: 3217 [2021-06-06 20:43:32,003 WARN L205 SmtUtils]: Spent 8.13 s on a formula simplification. DAG size of input: 2696 DAG size of output: 3553 [2021-06-06 20:43:32,173 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 2516 [2021-06-06 20:43:33,285 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 278 [2021-06-06 20:43:35,213 WARN L205 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 2495 DAG size of output: 2494 [2021-06-06 20:43:41,832 WARN L205 SmtUtils]: Spent 6.60 s on a formula simplification. DAG size of input: 2493 DAG size of output: 3700 [2021-06-06 20:43:42,144 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 2169 DAG size of output: 2169 [2021-06-06 20:43:42,426 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 2126 DAG size of output: 2126 [2021-06-06 20:43:43,411 WARN L205 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 977 [2021-06-06 20:43:43,692 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 339 [2021-06-06 20:43:44,199 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 258 [2021-06-06 20:43:45,181 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 257 [2021-06-06 20:43:45,402 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 340 [2021-06-06 20:43:45,712 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 396 [2021-06-06 20:43:46,185 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 592 [2021-06-06 20:43:46,295 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 337 [2021-06-06 20:43:46,402 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 302 [2021-06-06 20:43:47,177 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 243 [2021-06-06 20:43:47,512 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 265 [2021-06-06 20:43:47,826 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 425 [2021-06-06 20:43:48,297 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 623 [2021-06-06 20:43:49,522 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 1090 DAG size of output: 844 [2021-06-06 20:43:50,796 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 322 [2021-06-06 20:43:51,080 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 350 [2021-06-06 20:43:52,045 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 285 [2021-06-06 20:43:52,287 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 391 [2021-06-06 20:43:52,613 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 449 [2021-06-06 20:43:53,512 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 238 [2021-06-06 20:43:53,721 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 360 [2021-06-06 20:43:53,986 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 396 [2021-06-06 20:43:54,329 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 455 [2021-06-06 20:43:55,066 WARN L205 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 659 [2021-06-06 20:43:56,033 WARN L205 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 827 DAG size of output: 710 [2021-06-06 20:43:56,903 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 245 [2021-06-06 20:43:57,074 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 305 [2021-06-06 20:43:57,305 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 409 [2021-06-06 20:43:57,616 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 472 [2021-06-06 20:43:58,635 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 221 [2021-06-06 20:43:58,786 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 275 [2021-06-06 20:43:58,996 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 374 [2021-06-06 20:43:59,278 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 411 [2021-06-06 20:43:59,639 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 475 [2021-06-06 20:44:00,376 WARN L205 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 714 [2021-06-06 20:44:02,238 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 1682 DAG size of output: 1237 [2021-06-06 20:44:05,299 WARN L205 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 2518 DAG size of output: 1697 [2021-06-06 20:44:08,836 WARN L205 SmtUtils]: Spent 3.53 s on a formula simplification. DAG size of input: 2537 DAG size of output: 1736 [2021-06-06 20:44:13,386 WARN L205 SmtUtils]: Spent 4.54 s on a formula simplification. DAG size of input: 2890 DAG size of output: 1831 [2021-06-06 20:44:14,495 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 700 DAG size of output: 1050 [2021-06-06 20:44:14,885 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 660 [2021-06-06 20:44:15,472 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 647 DAG size of output: 823 [2021-06-06 20:44:16,472 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 257 [2021-06-06 20:44:16,683 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 285 [2021-06-06 20:44:16,952 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 348 [2021-06-06 20:44:17,354 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 513 [2021-06-06 20:44:17,565 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 429 [2021-06-06 20:44:18,557 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 283 [2021-06-06 20:44:18,745 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 309 [2021-06-06 20:44:19,670 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 270 [2021-06-06 20:44:19,832 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 296 [2021-06-06 20:44:20,224 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 492 [2021-06-06 20:44:20,763 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 624 [2021-06-06 20:44:21,528 WARN L205 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 814 [2021-06-06 20:44:22,771 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 1338 DAG size of output: 1058 [2021-06-06 20:44:24,483 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 1723 DAG size of output: 1396 [2021-06-06 20:44:25,162 WARN L205 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 828 [2021-06-06 20:44:25,767 WARN L205 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 766 [2021-06-06 20:44:26,151 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 639 [2021-06-06 20:44:26,264 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 332 [2021-06-06 20:44:27,963 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 224 [2021-06-06 20:44:28,094 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 248 [2021-06-06 20:44:28,253 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 212 [2021-06-06 20:44:28,558 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 388 [2021-06-06 20:44:29,182 WARN L205 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 707 [2021-06-06 20:44:30,138 WARN L205 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 1357 DAG size of output: 863 [2021-06-06 20:44:31,524 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 1729 DAG size of output: 1197 [2021-06-06 20:44:34,969 WARN L205 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 2363 DAG size of output: 1672 [2021-06-06 20:44:38,958 WARN L205 SmtUtils]: Spent 3.98 s on a formula simplification. DAG size of input: 2424 DAG size of output: 1716 [2021-06-06 20:44:44,669 WARN L205 SmtUtils]: Spent 5.70 s on a formula simplification. DAG size of input: 2831 DAG size of output: 1844 [2021-06-06 20:44:56,069 WARN L205 SmtUtils]: Spent 11.39 s on a formula simplification. DAG size of input: 5382 DAG size of output: 3237 [2021-06-06 20:44:57,337 WARN L205 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 707 DAG size of output: 1000 [2021-06-06 20:44:57,913 WARN L205 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 712 [2021-06-06 20:44:58,710 WARN L205 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 877 [2021-06-06 20:44:59,219 WARN L205 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 729 [2021-06-06 20:45:00,040 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 262 [2021-06-06 20:45:00,245 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 300 [2021-06-06 20:45:00,475 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 374 [2021-06-06 20:45:01,366 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 229 [2021-06-06 20:45:02,220 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 344 [2021-06-06 20:45:03,138 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 334 [2021-06-06 20:45:04,063 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 207 [2021-06-06 20:45:04,400 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 369 [2021-06-06 20:45:04,854 WARN L205 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 560 [2021-06-06 20:45:05,692 WARN L205 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 902 DAG size of output: 726 [2021-06-06 20:45:06,676 WARN L205 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 962 DAG size of output: 768 [2021-06-06 20:45:07,929 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1071 DAG size of output: 879 [2021-06-06 20:45:09,267 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1304 DAG size of output: 904 [2021-06-06 20:45:11,209 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 1744 DAG size of output: 1304 [2021-06-06 20:45:13,852 WARN L205 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 2015 DAG size of output: 1655 [2021-06-06 20:45:14,702 WARN L205 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 879 [2021-06-06 20:45:15,071 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 490 [2021-06-06 20:45:15,370 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 491 [2021-06-06 20:45:16,614 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 260 [2021-06-06 20:45:17,514 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 289 [2021-06-06 20:45:17,801 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 317 [2021-06-06 20:45:18,208 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 433 [2021-06-06 20:45:18,954 WARN L205 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 821 DAG size of output: 666 [2021-06-06 20:45:20,030 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 945 DAG size of output: 803 [2021-06-06 20:45:20,218 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 354 [2021-06-06 20:45:20,982 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 338 [2021-06-06 20:45:21,165 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 377 [2021-06-06 20:45:21,454 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 443 [2021-06-06 20:45:22,749 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1314 DAG size of output: 1007 [2021-06-06 20:45:24,667 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 1586 DAG size of output: 1355 [2021-06-06 20:45:29,669 WARN L205 SmtUtils]: Spent 5.00 s on a formula simplification. DAG size of input: 2617 DAG size of output: 2064 [2021-06-06 20:45:36,534 WARN L205 SmtUtils]: Spent 6.85 s on a formula simplification. DAG size of input: 2989 DAG size of output: 2220 [2021-06-06 20:45:44,267 WARN L205 SmtUtils]: Spent 7.72 s on a formula simplification. DAG size of input: 3049 DAG size of output: 2305 [2021-06-06 20:45:44,945 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 573 [2021-06-06 20:45:45,665 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 296 [2021-06-06 20:45:45,833 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 358 [2021-06-06 20:45:46,556 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 451 [2021-06-06 20:45:47,489 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 215 [2021-06-06 20:45:47,657 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 254 [2021-06-06 20:45:47,882 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 348 [2021-06-06 20:45:48,196 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 399 [2021-06-06 20:45:48,593 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 425 [2021-06-06 20:45:49,069 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 485 [2021-06-06 20:45:49,628 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 521 [2021-06-06 20:45:50,917 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 328 [2021-06-06 20:45:51,173 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 369 [2021-06-06 20:45:51,509 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 394 [2021-06-06 20:45:51,980 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 433 [2021-06-06 20:45:52,528 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 517 [2021-06-06 20:45:53,188 WARN L205 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 580 [2021-06-06 20:45:54,535 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 978 DAG size of output: 863 [2021-06-06 20:45:55,439 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 202 [2021-06-06 20:45:55,601 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 256 [2021-06-06 20:45:55,873 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 384 [2021-06-06 20:45:56,205 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 442 [2021-06-06 20:45:56,405 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 292 [2021-06-06 20:45:57,058 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 328 [2021-06-06 20:45:57,290 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 391 [2021-06-06 20:45:57,593 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 450 [2021-06-06 20:45:58,305 WARN L205 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 639 [2021-06-06 20:45:59,420 WARN L205 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 800 DAG size of output: 715 [2021-06-06 20:46:01,969 WARN L205 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 1872 DAG size of output: 1482 [2021-06-06 20:46:05,280 WARN L205 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 2070 DAG size of output: 1568 [2021-06-06 20:46:05,420 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 361 [2021-06-06 20:46:06,030 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 344 [2021-06-06 20:46:06,232 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 367 [2021-06-06 20:46:06,899 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 246 [2021-06-06 20:46:07,247 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 486 [2021-06-06 20:46:08,272 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 243 [2021-06-06 20:46:08,418 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 266 [2021-06-06 20:46:08,622 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 324 [2021-06-06 20:46:08,915 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 457 [2021-06-06 20:46:09,332 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 599 [2021-06-06 20:46:10,187 WARN L205 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 817 [2021-06-06 20:46:11,356 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 1006 DAG size of output: 867 [2021-06-06 20:46:12,414 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 318 [2021-06-06 20:46:12,588 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 388 [2021-06-06 20:46:12,824 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 406 [2021-06-06 20:46:13,100 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 422 [2021-06-06 20:46:13,465 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 470 [2021-06-06 20:46:15,213 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 1433 DAG size of output: 1082 [2021-06-06 20:46:20,391 WARN L205 SmtUtils]: Spent 5.17 s on a formula simplification. DAG size of input: 2994 DAG size of output: 2129 [2021-06-06 20:46:26,302 WARN L205 SmtUtils]: Spent 5.90 s on a formula simplification. DAG size of input: 3038 DAG size of output: 2179 [2021-06-06 20:46:40,997 WARN L205 SmtUtils]: Spent 14.68 s on a formula simplification. DAG size of input: 5719 DAG size of output: 3928 [2021-06-06 20:47:09,095 WARN L205 SmtUtils]: Spent 28.07 s on a formula simplification. DAG size of input: 8989 DAG size of output: 5710 [2021-06-06 20:47:10,106 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 329 [2021-06-06 20:47:10,295 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 340 [2021-06-06 20:47:41,587 WARN L205 SmtUtils]: Spent 31.28 s on a formula simplification. DAG size of input: 9287 DAG size of output: 5929 [2021-06-06 20:48:18,885 WARN L205 SmtUtils]: Spent 37.25 s on a formula simplification. DAG size of input: 10982 DAG size of output: 7649 [2021-06-06 20:48:19,956 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 295 [2021-06-06 20:48:20,156 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 410 [2021-06-06 20:48:20,392 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 416 [2021-06-06 20:48:58,619 WARN L205 SmtUtils]: Spent 38.21 s on a formula simplification. DAG size of input: 11394 DAG size of output: 7943 [2021-06-06 20:49:37,344 WARN L205 SmtUtils]: Spent 38.68 s on a formula simplification. DAG size of input: 11649 DAG size of output: 8097 [2021-06-06 20:50:23,126 WARN L205 SmtUtils]: Spent 45.73 s on a formula simplification. DAG size of input: 12976 DAG size of output: 9218 [2021-06-06 20:50:26,630 WARN L205 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1636 [2021-06-06 20:50:26,788 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 1238 [2021-06-06 20:50:28,217 WARN L205 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 1217 DAG size of output: 1216 [2021-06-06 20:50:31,778 WARN L205 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 1215 DAG size of output: 1779 [2021-06-06 20:50:31,927 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1093 DAG size of output: 1093 [2021-06-06 20:50:32,073 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 1052 DAG size of output: 1052 [2021-06-06 20:50:33,157 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 686 DAG size of output: 991 [2021-06-06 20:50:33,858 WARN L205 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 739 [2021-06-06 20:50:34,791 WARN L205 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 766 [2021-06-06 20:50:35,546 WARN L205 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 791 [2021-06-06 20:50:35,886 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 441 [2021-06-06 20:50:36,590 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2021-06-06 20:50:36,769 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 291 [2021-06-06 20:50:37,145 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 348 [2021-06-06 20:50:37,495 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 453 [2021-06-06 20:50:37,917 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 477 [2021-06-06 20:50:39,449 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 417 [2021-06-06 20:50:39,766 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 435 [2021-06-06 20:50:40,561 WARN L205 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 758 [2021-06-06 20:50:41,606 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 1152 DAG size of output: 843 [2021-06-06 20:50:43,025 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1015 [2021-06-06 20:50:43,933 WARN L205 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 765 [2021-06-06 20:50:45,010 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 675 DAG size of output: 790 [2021-06-06 20:50:45,306 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 428 [2021-06-06 20:50:45,978 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 281 [2021-06-06 20:50:46,190 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 391 [2021-06-06 20:50:46,547 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 464 [2021-06-06 20:50:46,789 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 267 [2021-06-06 20:50:47,425 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2021-06-06 20:50:47,603 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2021-06-06 20:50:48,411 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 265 [2021-06-06 20:50:48,602 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 290 [2021-06-06 20:50:48,996 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 384 [2021-06-06 20:50:49,126 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 242 [2021-06-06 20:50:49,917 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 261 [2021-06-06 20:50:50,424 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 319 [2021-06-06 20:50:50,713 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 344 [2021-06-06 20:50:51,494 WARN L205 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 516 [2021-06-06 20:50:52,498 WARN L205 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 578 [2021-06-06 20:50:53,788 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 819 DAG size of output: 697 [2021-06-06 20:50:55,479 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 1184 DAG size of output: 905 [2021-06-06 20:50:57,649 WARN L205 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 1312 DAG size of output: 996 [2021-06-06 20:51:00,354 WARN L205 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 1416 DAG size of output: 1170 [2021-06-06 20:51:04,883 WARN L205 SmtUtils]: Spent 4.52 s on a formula simplification. DAG size of input: 1833 DAG size of output: 1517 [2021-06-06 20:51:11,000 WARN L205 SmtUtils]: Spent 6.10 s on a formula simplification. DAG size of input: 2174 DAG size of output: 1614 [2021-06-06 20:51:11,391 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 546 [2021-06-06 20:51:11,591 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 391 [2021-06-06 20:51:11,794 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 417 [2021-06-06 20:51:12,134 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 455 [2021-06-06 20:51:13,649 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 216 [2021-06-06 20:51:13,830 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 246 [2021-06-06 20:51:14,068 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 330 [2021-06-06 20:51:14,456 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 656 DAG size of output: 454 [2021-06-06 20:51:14,979 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 836 DAG size of output: 572 [2021-06-06 20:51:15,101 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 304 [2021-06-06 20:51:15,264 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 323 [2021-06-06 20:51:16,466 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 162 [2021-06-06 20:51:16,636 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 220 [2021-06-06 20:51:16,834 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 247 [2021-06-06 20:51:17,125 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 336 [2021-06-06 20:51:17,488 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 404 [2021-06-06 20:51:18,055 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 290 [2021-06-06 20:51:18,724 WARN L205 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 847 DAG size of output: 578 [2021-06-06 20:51:19,984 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 933 DAG size of output: 641 [2021-06-06 20:51:21,414 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 960 DAG size of output: 668 [2021-06-06 20:51:23,343 WARN L205 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 1138 DAG size of output: 701 [2021-06-06 20:51:23,571 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 487 [2021-06-06 20:51:23,824 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-06-06 20:51:23,991 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-06-06 20:51:24,168 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 362 [2021-06-06 20:51:25,272 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 219 [2021-06-06 20:51:25,461 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 243 [2021-06-06 20:51:25,718 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 341 [2021-06-06 20:51:26,061 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 403 [2021-06-06 20:51:26,533 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 476 [2021-06-06 20:51:26,709 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-06-06 20:51:26,884 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-06-06 20:51:27,981 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 313 [2021-06-06 20:51:28,154 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 333 [2021-06-06 20:51:28,421 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 401 [2021-06-06 20:51:28,805 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 471 [2021-06-06 20:51:29,781 WARN L205 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 837 DAG size of output: 632 [2021-06-06 20:51:31,078 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1009 DAG size of output: 667 [2021-06-06 20:51:34,490 WARN L205 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 1961 DAG size of output: 1076 [2021-06-06 20:51:43,938 WARN L205 SmtUtils]: Spent 9.44 s on a formula simplification. DAG size of input: 3390 DAG size of output: 2173 [2021-06-06 20:51:54,986 WARN L205 SmtUtils]: Spent 10.65 s on a formula simplification. DAG size of input: 3507 DAG size of output: 2263 [2021-06-06 20:52:07,628 WARN L205 SmtUtils]: Spent 12.62 s on a formula simplification. DAG size of input: 4235 DAG size of output: 2787 [2021-06-06 20:52:20,505 WARN L205 SmtUtils]: Spent 12.86 s on a formula simplification. DAG size of input: 4456 DAG size of output: 2926 [2021-06-06 20:52:33,571 WARN L205 SmtUtils]: Spent 13.05 s on a formula simplification. DAG size of input: 4635 DAG size of output: 3051 [2021-06-06 20:52:48,595 WARN L205 SmtUtils]: Spent 15.01 s on a formula simplification. DAG size of input: 5120 DAG size of output: 3306 [2021-06-06 20:53:51,242 WARN L205 SmtUtils]: Spent 1.04 m on a formula simplification. DAG size of input: 16679 DAG size of output: 11341 [2021-06-06 20:55:00,223 WARN L205 SmtUtils]: Spent 1.15 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 [2021-06-06 20:56:09,297 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