/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Symm.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 20:24:09,483 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 20:24:09,486 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 20:24:09,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-16 20:24:09,586 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Symm.epf [2021-06-16 20:24:09,624 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 20:24:09,625 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 20:24:09,625 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-16 20:24:09,625 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-16 20:24:09,628 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 20:24:09,628 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 20:24:09,628 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 20:24:09,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 20:24:09,629 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 20:24:09,629 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 20:24:09,630 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 20:24:09,630 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 20:24:09,630 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 20:24:09,630 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 20:24:09,630 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 20:24:09,631 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 20:24:09,631 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 20:24:09,631 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 20:24:09,631 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 20:24:09,631 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 20:24:09,631 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 20:24:09,632 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 20:24:09,632 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 20:24:09,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 20:24:09,632 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 20:24:09,632 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 20:24:09,632 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 20:24:09,633 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 20:24:09,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 20:24:09,633 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 20:24:09,633 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-16 20:24:09,633 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 20:24:09,634 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-16 20:24:09,634 INFO L138 SettingsManager]: * Limit POR to symmetric independence in concurrent analysis=true [2021-06-16 20:24:09,634 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 20:24:09,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 20:24:09,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 20:24:09,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 20:24:09,973 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-16 20:24:09,974 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-16 20:24:09,975 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl [2021-06-16 20:24:09,975 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl' [2021-06-16 20:24:10,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 20:24:10,014 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-16 20:24:10,015 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 20:24:10,015 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 20:24:10,015 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 20:24:10,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:24:10" (1/1) ... [2021-06-16 20:24:10,033 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:24:10" (1/1) ... [2021-06-16 20:24:10,040 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 20:24:10,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 20:24:10,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 20:24:10,041 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 20:24:10,047 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:24:10" (1/1) ... [2021-06-16 20:24:10,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:24:10" (1/1) ... [2021-06-16 20:24:10,049 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:24:10" (1/1) ... [2021-06-16 20:24:10,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:24:10" (1/1) ... [2021-06-16 20:24:10,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:24:10" (1/1) ... [2021-06-16 20:24:10,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:24:10" (1/1) ... [2021-06-16 20:24:10,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:24:10" (1/1) ... [2021-06-16 20:24:10,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 20:24:10,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 20:24:10,059 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 20:24:10,059 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 20:24:10,060 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:24:10" (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 [2021-06-16 20:24:10,130 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-16 20:24:10,130 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-16 20:24:10,130 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-16 20:24:10,131 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-16 20:24:10,131 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-16 20:24:10,131 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-16 20:24:10,131 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-16 20:24:10,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 20:24:10,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 20:24:10,133 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-16 20:24:10,455 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 20:24:10,455 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-06-16 20:24:10,456 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-16 20:24:10,456 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-06-16 20:24:10,458 INFO L202 PluginConnector]: Adding new model unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 08:24:10 BoogieIcfgContainer [2021-06-16 20:24:10,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 20:24:10,459 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 20:24:10,459 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 20:24:10,462 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 20:24:10,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:24:10" (1/2) ... [2021-06-16 20:24:10,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aa010c6 and model type unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 08:24:10, skipping insertion in model container [2021-06-16 20:24:10,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 08:24:10" (2/2) ... [2021-06-16 20:24:10,464 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-4.wvr.bpl [2021-06-16 20:24:10,468 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 20:24:10,468 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 20:24:10,468 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-16 20:24:10,469 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 20:24:10,508 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-16 20:24:10,526 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 [2021-06-16 20:24:10,570 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 20:24:10,570 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 20:24:10,571 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 20:24:10,571 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 20:24:10,571 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 20:24:10,571 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 20:24:10,571 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 20:24:10,571 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 20:24:10,595 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:24:10,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:24:10,599 INFO L82 PathProgramCache]: Analyzing trace with hash -530401653, now seen corresponding path program 1 times [2021-06-16 20:24:10,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:24:10,607 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110834345] [2021-06-16 20:24:10,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:24:10,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:24:10,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:24:10,747 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:24:10,748 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110834345] [2021-06-16 20:24:10,749 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110834345] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 20:24:10,749 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 20:24:10,750 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-16 20:24:10,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501221021] [2021-06-16 20:24:10,755 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 20:24:10,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:24:10,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 20:24:10,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 20:24:10,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:10,775 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:24:10,778 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) [2021-06-16 20:24:10,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:10,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:10,796 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-16 20:24:10,796 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:24:10,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:24:10,800 INFO L82 PathProgramCache]: Analyzing trace with hash -1897859861, now seen corresponding path program 1 times [2021-06-16 20:24:10,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:24:10,801 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715959260] [2021-06-16 20:24:10,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:24:10,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:24:10,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:24:10,876 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:24:10,876 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715959260] [2021-06-16 20:24:10,876 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715959260] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:10,876 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1342382056] [2021-06-16 20:24:10,876 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 [2021-06-16 20:24:10,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:24:10,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-16 20:24:10,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:24:11,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:24:11,011 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1342382056] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:11,012 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:24:11,012 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-06-16 20:24:11,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067019087] [2021-06-16 20:24:11,014 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-16 20:24:11,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:24:11,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-16 20:24:11,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-16 20:24:11,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:11,017 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:24:11,017 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:24:11,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:11,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:11,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:11,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:11,279 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:24:11,279 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:24:11,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:24:11,280 INFO L82 PathProgramCache]: Analyzing trace with hash 1318957172, now seen corresponding path program 1 times [2021-06-16 20:24:11,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:24:11,280 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924314330] [2021-06-16 20:24:11,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:24:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:24:11,315 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 20:24:11,315 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:24:11,315 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924314330] [2021-06-16 20:24:11,315 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924314330] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:11,316 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1240080940] [2021-06-16 20:24:11,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:24:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:24:11,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-16 20:24:11,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:24:11,388 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 20:24:11,389 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1240080940] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:11,389 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:24:11,389 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-06-16 20:24:11,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000440425] [2021-06-16 20:24:11,389 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-16 20:24:11,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:24:11,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-16 20:24:11,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-16 20:24:11,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:11,390 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:24:11,391 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) [2021-06-16 20:24:11,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:11,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:11,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:11,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:11,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:11,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:11,631 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:24:11,631 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:24:11,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:24:11,632 INFO L82 PathProgramCache]: Analyzing trace with hash 1451611860, now seen corresponding path program 2 times [2021-06-16 20:24:11,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:24:11,632 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530835243] [2021-06-16 20:24:11,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:24:11,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:24:11,705 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 20:24:11,706 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:24:11,706 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530835243] [2021-06-16 20:24:11,706 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530835243] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:11,706 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1358950769] [2021-06-16 20:24:11,707 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:24:11,742 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 20:24:11,743 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:24:11,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-16 20:24:11,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:24:11,823 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 20:24:11,824 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1358950769] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:11,824 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:24:11,824 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-06-16 20:24:11,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051317310] [2021-06-16 20:24:11,825 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-16 20:24:11,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:24:11,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-16 20:24:11,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-16 20:24:11,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:11,826 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:24:11,826 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:24:11,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:11,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:11,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:11,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:11,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:11,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:11,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:11,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:24:12,084 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:24:12,084 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:24:12,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:24:12,085 INFO L82 PathProgramCache]: Analyzing trace with hash 1268939892, now seen corresponding path program 3 times [2021-06-16 20:24:12,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:24:12,085 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933837486] [2021-06-16 20:24:12,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:24:12,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:24:12,171 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 20:24:12,171 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:24:12,171 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933837486] [2021-06-16 20:24:12,171 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933837486] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:12,171 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795126403] [2021-06-16 20:24:12,172 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:24:12,204 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-16 20:24:12,204 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:24:12,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-16 20:24:12,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:24:12,280 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 20:24:12,280 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [795126403] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:12,280 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:24:12,280 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-06-16 20:24:12,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761101182] [2021-06-16 20:24:12,282 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-16 20:24:12,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:24:12,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-16 20:24:12,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-06-16 20:24:12,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:12,283 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:24:12,283 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) [2021-06-16 20:24:12,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:12,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:12,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:12,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:24:12,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:12,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:12,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:12,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:12,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:24:12,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:24:12,559 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:24:12,561 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:24:12,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:24:12,562 INFO L82 PathProgramCache]: Analyzing trace with hash -98923820, now seen corresponding path program 4 times [2021-06-16 20:24:12,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:24:12,562 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305842854] [2021-06-16 20:24:12,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:24:12,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:24:12,632 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:24:12,633 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:24:12,633 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305842854] [2021-06-16 20:24:12,633 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305842854] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:12,633 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746086364] [2021-06-16 20:24:12,633 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:24:12,677 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-16 20:24:12,677 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:24:12,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-16 20:24:12,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:24:12,855 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:24:12,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-06-16 20:24:12,904 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:24:12,905 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:24:12,906 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 20:24:12,906 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-06-16 20:24:12,913 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:24:12,913 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [746086364] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:12,913 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:24:12,913 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2021-06-16 20:24:12,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294043681] [2021-06-16 20:24:12,914 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-16 20:24:12,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:24:12,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-16 20:24:12,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-06-16 20:24:12,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:12,915 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:24:12,915 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 1.9166666666666667) internal successors, (23), 11 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:24:12,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:12,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:12,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:12,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:24:12,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:24:12,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:12,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:12,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:12,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:12,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:24:12,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:24:12,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:24:13,164 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:24:13,165 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:24:13,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:24:13,166 INFO L82 PathProgramCache]: Analyzing trace with hash 446974068, now seen corresponding path program 5 times [2021-06-16 20:24:13,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:24:13,166 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637546451] [2021-06-16 20:24:13,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:24:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:24:13,238 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:24:13,238 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:24:13,238 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637546451] [2021-06-16 20:24:13,238 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637546451] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:13,239 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1658397160] [2021-06-16 20:24:13,239 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:24:13,275 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-16 20:24:13,275 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:24:13,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-16 20:24:13,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:24:13,343 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:24:13,344 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1658397160] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:13,344 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:24:13,344 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-06-16 20:24:13,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765492927] [2021-06-16 20:24:13,344 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-16 20:24:13,349 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:24:13,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-16 20:24:13,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-06-16 20:24:13,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:13,350 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:24:13,350 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:24:13,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:13,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:13,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:13,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:24:13,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:24:13,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:24:13,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:13,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:13,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:13,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:13,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:24:13,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:24:13,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:24:13,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 20:24:13,640 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-06-16 20:24:13,640 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:24:13,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:24:13,641 INFO L82 PathProgramCache]: Analyzing trace with hash 994364939, now seen corresponding path program 6 times [2021-06-16 20:24:13,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:24:13,641 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912549923] [2021-06-16 20:24:13,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:24:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:24:13,719 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-16 20:24:13,719 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:24:13,719 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912549923] [2021-06-16 20:24:13,720 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912549923] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:13,720 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639580553] [2021-06-16 20:24:13,720 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:24:13,759 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-16 20:24:13,759 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:24:13,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-16 20:24:13,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:24:13,831 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-16 20:24:13,831 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639580553] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:13,831 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:24:13,831 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-06-16 20:24:13,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984753027] [2021-06-16 20:24:13,832 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-16 20:24:13,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:24:13,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-16 20:24:13,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-06-16 20:24:13,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:13,832 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:24:13,833 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 12 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) [2021-06-16 20:24:13,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:13,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:13,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:13,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:24:13,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:24:13,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:24:13,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 20:24:13,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:13,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:13,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:13,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:13,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:24:13,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:24:13,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:24:13,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 20:24:13,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 20:24:14,148 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-16 20:24:14,149 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:24:14,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:24:14,149 INFO L82 PathProgramCache]: Analyzing trace with hash 1616225195, now seen corresponding path program 7 times [2021-06-16 20:24:14,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:24:14,149 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517076722] [2021-06-16 20:24:14,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:24:14,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:24:14,264 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-16 20:24:14,264 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:24:14,264 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517076722] [2021-06-16 20:24:14,264 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517076722] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:14,265 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1787909453] [2021-06-16 20:24:14,265 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:24:14,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:24:14,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-16 20:24:14,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:24:14,377 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-16 20:24:14,377 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1787909453] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:14,378 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:24:14,378 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-06-16 20:24:14,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138524691] [2021-06-16 20:24:14,378 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-16 20:24:14,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:24:14,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-16 20:24:14,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-06-16 20:24:14,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:14,379 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:24:14,379 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:24:14,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:14,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:14,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:14,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:24:14,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:24:14,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:24:14,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 20:24:14,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 20:24:14,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:14,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:14,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:14,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:14,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:24:14,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:24:14,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:24:14,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 20:24:14,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 20:24:14,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:24:14,723 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-06-16 20:24:14,723 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:24:14,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:24:14,724 INFO L82 PathProgramCache]: Analyzing trace with hash -580943349, now seen corresponding path program 8 times [2021-06-16 20:24:14,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:24:14,724 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649683302] [2021-06-16 20:24:14,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:24:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:24:14,849 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-16 20:24:14,849 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:24:14,849 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649683302] [2021-06-16 20:24:14,849 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649683302] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:14,849 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [435398227] [2021-06-16 20:24:14,850 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:24:14,875 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 20:24:14,875 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:24:14,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-16 20:24:14,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:24:14,983 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-16 20:24:14,984 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [435398227] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:14,984 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:24:14,984 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-06-16 20:24:14,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156921456] [2021-06-16 20:24:14,984 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-16 20:24:14,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:24:14,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-16 20:24:14,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-06-16 20:24:14,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:14,985 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:24:14,985 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5) internal successors, (24), 15 states have internal predecessors, (24), 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) [2021-06-16 20:24:14,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:14,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:14,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:14,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:24:14,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:24:14,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:24:14,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 20:24:14,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 20:24:14,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:24:14,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:15,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:15,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:15,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:15,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:24:15,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:24:15,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:24:15,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 20:24:15,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 20:24:15,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:24:15,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:24:15,376 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-06-16 20:24:15,377 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:24:15,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:24:15,377 INFO L82 PathProgramCache]: Analyzing trace with hash 26308523, now seen corresponding path program 9 times [2021-06-16 20:24:15,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:24:15,377 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148453856] [2021-06-16 20:24:15,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:24:15,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:24:15,458 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:24:15,458 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:24:15,458 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148453856] [2021-06-16 20:24:15,459 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148453856] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:15,459 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17787073] [2021-06-16 20:24:15,459 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:24:15,491 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-16 20:24:15,491 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:24:15,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-16 20:24:15,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:24:15,811 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-06-16 20:24:15,812 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:24:15,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-06-16 20:24:16,737 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 247 [2021-06-16 20:24:16,868 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 263 [2021-06-16 20:24:16,999 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 266 [2021-06-16 20:24:17,130 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 266 [2021-06-16 20:24:17,298 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 274 [2021-06-16 20:24:17,439 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 264 [2021-06-16 20:24:18,027 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 185 [2021-06-16 20:24:19,025 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:24:19,027 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:24:19,028 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 20:24:19,028 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-06-16 20:24:19,038 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:24:19,038 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [17787073] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:19,038 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:24:19,038 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12] total 20 [2021-06-16 20:24:19,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282663849] [2021-06-16 20:24:19,039 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-16 20:24:19,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:24:19,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-16 20:24:19,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-06-16 20:24:19,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:19,040 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:24:19,040 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 20 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:24:19,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:19,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:19,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:19,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:24:19,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:24:19,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:24:19,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 20:24:19,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 20:24:19,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:24:19,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:24:19,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:19,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:19,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:19,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:19,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:24:19,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:24:19,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:24:19,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 20:24:19,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 20:24:19,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:24:19,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:24:19,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 20:24:19,351 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-06-16 20:24:19,351 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:24:19,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:24:19,351 INFO L82 PathProgramCache]: Analyzing trace with hash 1671247371, now seen corresponding path program 10 times [2021-06-16 20:24:19,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:24:19,352 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883315236] [2021-06-16 20:24:19,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:24:19,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:24:19,460 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:24:19,460 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:24:19,460 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883315236] [2021-06-16 20:24:19,460 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883315236] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:19,460 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868326768] [2021-06-16 20:24:19,460 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:24:19,499 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-16 20:24:19,499 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:24:19,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-16 20:24:19,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:24:19,583 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:24:19,583 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [868326768] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:19,583 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:24:19,583 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-06-16 20:24:19,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777894385] [2021-06-16 20:24:19,584 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-16 20:24:19,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:24:19,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-16 20:24:19,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-06-16 20:24:19,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:19,584 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:24:19,585 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 14 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:24:19,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:19,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:19,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:19,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:24:19,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:24:19,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:24:19,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 20:24:19,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 20:24:19,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:24:19,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:24:19,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 20:24:19,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:19,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:19,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:19,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:19,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:24:19,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:24:19,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:24:19,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 20:24:19,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 20:24:19,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:24:19,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:24:19,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 20:24:19,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:24:19,950 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable313,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:24:19,950 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:24:19,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:24:19,951 INFO L82 PathProgramCache]: Analyzing trace with hash 292131668, now seen corresponding path program 11 times [2021-06-16 20:24:19,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:24:19,951 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542620474] [2021-06-16 20:24:19,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:24:19,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:24:20,094 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-16 20:24:20,095 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:24:20,095 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542620474] [2021-06-16 20:24:20,095 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542620474] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:20,095 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968098459] [2021-06-16 20:24:20,095 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:24:20,134 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-16 20:24:20,134 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:24:20,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-16 20:24:20,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:24:20,269 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-16 20:24:20,269 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1968098459] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:20,269 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:24:20,269 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-06-16 20:24:20,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677955703] [2021-06-16 20:24:20,270 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-16 20:24:20,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:24:20,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-16 20:24:20,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2021-06-16 20:24:20,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:20,271 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:24:20,271 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.4) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:24:20,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:20,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:20,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:20,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:24:20,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:24:20,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:24:20,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 20:24:20,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 20:24:20,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:24:20,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:24:20,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 20:24:20,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:24:20,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:20,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:20,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:20,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:20,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:24:20,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:24:20,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:24:20,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 20:24:20,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 20:24:20,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:24:20,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:24:20,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 20:24:20,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:24:20,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:24:20,747 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable314 [2021-06-16 20:24:20,747 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:24:20,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:24:20,748 INFO L82 PathProgramCache]: Analyzing trace with hash 530399668, now seen corresponding path program 12 times [2021-06-16 20:24:20,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:24:20,748 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333068833] [2021-06-16 20:24:20,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:24:20,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:24:20,910 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-16 20:24:20,911 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:24:20,911 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333068833] [2021-06-16 20:24:20,911 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333068833] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:20,911 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135409590] [2021-06-16 20:24:20,911 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:24:20,954 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-06-16 20:24:20,954 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:24:20,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-16 20:24:20,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:24:21,255 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:24:21,256 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [135409590] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:21,256 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:24:21,256 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 26 [2021-06-16 20:24:21,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469711279] [2021-06-16 20:24:21,257 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-16 20:24:21,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:24:21,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-16 20:24:21,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=638, Unknown=0, NotChecked=0, Total=702 [2021-06-16 20:24:21,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:21,258 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:24:21,259 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 26 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) [2021-06-16 20:24:21,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:21,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:21,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:21,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:24:21,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:24:21,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:24:21,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 20:24:21,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 20:24:21,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:24:21,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:24:21,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 20:24:21,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:24:21,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:24:21,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:21,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:21,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:21,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:21,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:24:21,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:24:21,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:24:21,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 20:24:21,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 20:24:21,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:24:21,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:24:21,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 20:24:21,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:24:21,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:24:21,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:24:21,894 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable315,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:24:21,895 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:24:21,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:24:21,895 INFO L82 PathProgramCache]: Analyzing trace with hash -673226924, now seen corresponding path program 13 times [2021-06-16 20:24:21,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:24:21,895 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746729432] [2021-06-16 20:24:21,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:24:21,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:24:22,054 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-16 20:24:22,054 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:24:22,054 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746729432] [2021-06-16 20:24:22,054 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746729432] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:22,054 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [801232908] [2021-06-16 20:24:22,054 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:24:22,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:24:22,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-16 20:24:22,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:24:22,263 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-16 20:24:22,263 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [801232908] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:22,263 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:24:22,263 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-06-16 20:24:22,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500365645] [2021-06-16 20:24:22,266 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-16 20:24:22,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:24:22,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-16 20:24:22,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=493, Unknown=0, NotChecked=0, Total=552 [2021-06-16 20:24:22,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:22,267 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:24:22,267 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:24:22,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:22,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:22,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:22,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:24:22,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:24:22,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:24:22,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 20:24:22,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 20:24:22,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:24:22,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:24:22,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 20:24:22,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:24:22,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:24:22,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:24:22,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:24:22,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:24:22,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:22,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:24:22,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:24:22,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:24:22,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:24:22,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 20:24:22,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 20:24:22,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:24:22,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:24:22,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 20:24:22,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:24:22,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:24:22,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:24:22,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:24:22,772 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable316 [2021-06-16 20:24:22,773 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:24:22,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:24:22,774 INFO L82 PathProgramCache]: Analyzing trace with hash 669054388, now seen corresponding path program 14 times [2021-06-16 20:24:22,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:24:22,774 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125421147] [2021-06-16 20:24:22,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:24:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:24:22,897 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:24:22,897 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:24:22,897 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125421147] [2021-06-16 20:24:22,897 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125421147] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:24:22,897 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [640560231] [2021-06-16 20:24:22,897 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:24:22,925 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 20:24:22,925 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:24:22,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 37 conjunts are in the unsatisfiable core [2021-06-16 20:24:22,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:24:23,549 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-06-16 20:24:23,549 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:24:23,549 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 [2021-06-16 20:24:24,706 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 380 [2021-06-16 20:24:24,868 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 383 [2021-06-16 20:24:26,357 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 513 [2021-06-16 20:24:26,609 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 516 [2021-06-16 20:24:27,068 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 757 [2021-06-16 20:24:27,667 WARN L205 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 938 DAG size of output: 782 [2021-06-16 20:24:28,715 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 397 [2021-06-16 20:24:28,902 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 432 [2021-06-16 20:24:29,126 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 439 [2021-06-16 20:24:29,949 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 387 [2021-06-16 20:24:30,705 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 392 [2021-06-16 20:24:30,990 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 687 [2021-06-16 20:24:31,345 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 720 [2021-06-16 20:24:31,790 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 760 DAG size of output: 727 [2021-06-16 20:24:32,560 WARN L205 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 1118 DAG size of output: 985 [2021-06-16 20:24:33,451 WARN L205 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 1140 DAG size of output: 1008 [2021-06-16 20:24:34,983 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 1924 DAG size of output: 1536 [2021-06-16 20:24:36,227 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 483 [2021-06-16 20:24:36,441 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 486 [2021-06-16 20:24:37,348 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 347 [2021-06-16 20:24:37,760 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 711 [2021-06-16 20:24:38,254 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 737 [2021-06-16 20:24:39,042 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 367 [2021-06-16 20:24:39,197 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 402 [2021-06-16 20:24:39,390 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 408 [2021-06-16 20:24:40,789 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 363 [2021-06-16 20:24:41,032 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 657 [2021-06-16 20:24:41,344 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 690 [2021-06-16 20:24:41,731 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 696 [2021-06-16 20:24:42,387 WARN L205 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 1082 DAG size of output: 940 [2021-06-16 20:24:43,141 WARN L205 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 964 [2021-06-16 20:24:44,485 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1466 [2021-06-16 20:24:47,892 WARN L205 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 3619 DAG size of output: 2834 [2021-06-16 20:24:51,862 WARN L205 SmtUtils]: Spent 3.95 s on a formula simplification. DAG size of input: 3664 DAG size of output: 2879 [2021-06-16 20:24:56,317 WARN L205 SmtUtils]: Spent 4.44 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-06-16 20:25:00,807 WARN L205 SmtUtils]: Spent 4.47 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-06-16 20:25:06,196 WARN L205 SmtUtils]: Spent 5.38 s on a formula simplification. DAG size of input: 3707 DAG size of output: 2922 [2021-06-16 20:25:11,148 WARN L205 SmtUtils]: Spent 4.93 s on a formula simplification. DAG size of input: 2924 DAG size of output: 2915 [2021-06-16 20:25:16,552 WARN L205 SmtUtils]: Spent 5.38 s on a formula simplification. DAG size of input: 2912 DAG size of output: 3217 [2021-06-16 20:25:24,982 WARN L205 SmtUtils]: Spent 8.41 s on a formula simplification. DAG size of input: 2696 DAG size of output: 3553 [2021-06-16 20:25:25,156 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 2516 [2021-06-16 20:25:26,324 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 278 [2021-06-16 20:25:28,302 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 2495 DAG size of output: 2494 [2021-06-16 20:25:35,148 WARN L205 SmtUtils]: Spent 6.81 s on a formula simplification. DAG size of input: 2493 DAG size of output: 3700 [2021-06-16 20:25:35,467 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 2169 DAG size of output: 2169 [2021-06-16 20:25:35,763 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 2126 DAG size of output: 2126 [2021-06-16 20:25:36,763 WARN L205 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 977 [2021-06-16 20:25:37,053 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 339 [2021-06-16 20:25:37,588 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 258 [2021-06-16 20:25:38,582 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 257 [2021-06-16 20:25:38,812 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 340 [2021-06-16 20:25:39,134 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 396 [2021-06-16 20:25:39,676 WARN L205 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 592 [2021-06-16 20:25:40,528 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 185 [2021-06-16 20:25:40,667 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 243 [2021-06-16 20:25:41,055 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 265 [2021-06-16 20:25:41,374 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 425 [2021-06-16 20:25:41,854 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 623 [2021-06-16 20:25:42,924 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 1090 DAG size of output: 844 [2021-06-16 20:25:44,181 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 253 [2021-06-16 20:25:44,404 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 322 [2021-06-16 20:25:44,694 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 350 [2021-06-16 20:25:45,672 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 285 [2021-06-16 20:25:45,922 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 391 [2021-06-16 20:25:46,245 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 449 [2021-06-16 20:25:47,245 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 173 [2021-06-16 20:25:47,381 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 238 [2021-06-16 20:25:47,597 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 360 [2021-06-16 20:25:47,869 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 396 [2021-06-16 20:25:48,218 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 455 [2021-06-16 20:25:49,030 WARN L205 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 659 [2021-06-16 20:25:50,040 WARN L205 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 827 DAG size of output: 710 [2021-06-16 20:25:50,954 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 245 [2021-06-16 20:25:51,134 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 305 [2021-06-16 20:25:51,374 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 409 [2021-06-16 20:25:51,681 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 472 [2021-06-16 20:25:52,691 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 221 [2021-06-16 20:25:52,850 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 275 [2021-06-16 20:25:53,058 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 374 [2021-06-16 20:25:53,342 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 411 [2021-06-16 20:25:53,705 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 475 [2021-06-16 20:25:54,460 WARN L205 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 714 [2021-06-16 20:25:56,363 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 1682 DAG size of output: 1237 [2021-06-16 20:25:59,488 WARN L205 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 2518 DAG size of output: 1697 [2021-06-16 20:26:03,045 WARN L205 SmtUtils]: Spent 3.55 s on a formula simplification. DAG size of input: 2537 DAG size of output: 1736 [2021-06-16 20:26:07,691 WARN L205 SmtUtils]: Spent 4.64 s on a formula simplification. DAG size of input: 2890 DAG size of output: 1831 [2021-06-16 20:26:08,857 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 700 DAG size of output: 1050 [2021-06-16 20:26:09,234 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 660 [2021-06-16 20:26:09,833 WARN L205 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 647 DAG size of output: 823 [2021-06-16 20:26:10,640 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 219 [2021-06-16 20:26:10,881 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 257 [2021-06-16 20:26:11,085 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 285 [2021-06-16 20:26:11,360 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 348 [2021-06-16 20:26:11,752 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 513 [2021-06-16 20:26:11,948 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 429 [2021-06-16 20:26:12,914 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 283 [2021-06-16 20:26:13,110 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 309 [2021-06-16 20:26:14,070 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 270 [2021-06-16 20:26:14,240 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 296 [2021-06-16 20:26:14,635 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 492 [2021-06-16 20:26:15,180 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 624 [2021-06-16 20:26:15,956 WARN L205 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 814 [2021-06-16 20:26:17,219 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 1338 DAG size of output: 1058 [2021-06-16 20:26:19,018 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 1723 DAG size of output: 1396 [2021-06-16 20:26:19,723 WARN L205 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 828 [2021-06-16 20:26:20,367 WARN L205 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 766 [2021-06-16 20:26:20,768 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 639 [2021-06-16 20:26:20,887 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 332 [2021-06-16 20:26:22,591 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 248 [2021-06-16 20:26:22,757 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 212 [2021-06-16 20:26:23,066 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 388 [2021-06-16 20:26:23,692 WARN L205 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 707 [2021-06-16 20:26:24,670 WARN L205 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 1357 DAG size of output: 863 [2021-06-16 20:26:26,080 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1729 DAG size of output: 1197 [2021-06-16 20:26:29,543 WARN L205 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 2363 DAG size of output: 1672 [2021-06-16 20:26:33,587 WARN L205 SmtUtils]: Spent 4.03 s on a formula simplification. DAG size of input: 2424 DAG size of output: 1716 [2021-06-16 20:26:39,466 WARN L205 SmtUtils]: Spent 5.87 s on a formula simplification. DAG size of input: 2831 DAG size of output: 1844 [2021-06-16 20:26:50,994 WARN L205 SmtUtils]: Spent 11.51 s on a formula simplification. DAG size of input: 5382 DAG size of output: 3237 [2021-06-16 20:26:52,305 WARN L205 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 707 DAG size of output: 1000 [2021-06-16 20:26:52,886 WARN L205 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 712 [2021-06-16 20:26:53,683 WARN L205 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 877 [2021-06-16 20:26:54,189 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 729 [2021-06-16 20:26:55,027 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 262 [2021-06-16 20:26:55,236 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 300 [2021-06-16 20:26:55,470 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 374 [2021-06-16 20:26:56,375 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 229 [2021-06-16 20:26:57,232 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 344 [2021-06-16 20:26:58,216 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 334 [2021-06-16 20:26:59,355 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 369 [2021-06-16 20:26:59,795 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 560 [2021-06-16 20:27:00,602 WARN L205 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 902 DAG size of output: 726 [2021-06-16 20:27:01,596 WARN L205 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 962 DAG size of output: 768 [2021-06-16 20:27:02,835 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 1071 DAG size of output: 879 [2021-06-16 20:27:04,171 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1304 DAG size of output: 904 [2021-06-16 20:27:06,139 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 1744 DAG size of output: 1304 [2021-06-16 20:27:08,832 WARN L205 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 2015 DAG size of output: 1655 [2021-06-16 20:27:09,701 WARN L205 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 879 [2021-06-16 20:27:10,085 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 490 [2021-06-16 20:27:10,406 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 491 [2021-06-16 20:27:11,718 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 260 [2021-06-16 20:27:12,621 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 289 [2021-06-16 20:27:12,899 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 317 [2021-06-16 20:27:13,297 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 433 [2021-06-16 20:27:14,036 WARN L205 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 821 DAG size of output: 666 [2021-06-16 20:27:15,128 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 945 DAG size of output: 803 [2021-06-16 20:27:15,314 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 354 [2021-06-16 20:27:16,006 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 338 [2021-06-16 20:27:16,190 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 377 [2021-06-16 20:27:16,486 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 443 [2021-06-16 20:27:17,816 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1314 DAG size of output: 1007 [2021-06-16 20:27:19,876 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 1586 DAG size of output: 1355 [2021-06-16 20:27:24,929 WARN L205 SmtUtils]: Spent 5.05 s on a formula simplification. DAG size of input: 2617 DAG size of output: 2064 [2021-06-16 20:27:31,888 WARN L205 SmtUtils]: Spent 6.95 s on a formula simplification. DAG size of input: 2989 DAG size of output: 2220 [2021-06-16 20:27:39,728 WARN L205 SmtUtils]: Spent 7.83 s on a formula simplification. DAG size of input: 3049 DAG size of output: 2305 [2021-06-16 20:27:40,456 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 573 [2021-06-16 20:27:41,162 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 296 [2021-06-16 20:27:41,339 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 358 [2021-06-16 20:27:42,076 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 451 [2021-06-16 20:27:43,026 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 215 [2021-06-16 20:27:43,183 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 254 [2021-06-16 20:27:43,411 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 348 [2021-06-16 20:27:43,722 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 399 [2021-06-16 20:27:44,100 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 425 [2021-06-16 20:27:44,569 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 485 [2021-06-16 20:27:45,125 WARN L205 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 521 [2021-06-16 20:27:46,291 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 221 [2021-06-16 20:27:46,493 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 328 [2021-06-16 20:27:46,764 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 369 [2021-06-16 20:27:47,102 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 394 [2021-06-16 20:27:47,631 WARN L205 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 433 [2021-06-16 20:27:48,171 WARN L205 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 517 [2021-06-16 20:27:48,922 WARN L205 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 580 [2021-06-16 20:27:50,291 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 978 DAG size of output: 863 [2021-06-16 20:27:51,220 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 202 [2021-06-16 20:27:51,384 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 256 [2021-06-16 20:27:51,649 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 384 [2021-06-16 20:27:51,990 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 442 [2021-06-16 20:27:52,187 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 292 [2021-06-16 20:27:52,846 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 328 [2021-06-16 20:27:53,071 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 391 [2021-06-16 20:27:53,368 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 450 [2021-06-16 20:27:54,088 WARN L205 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 639 [2021-06-16 20:27:55,204 WARN L205 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 800 DAG size of output: 715 [2021-06-16 20:27:57,770 WARN L205 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 1872 DAG size of output: 1482 [2021-06-16 20:28:01,112 WARN L205 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 2070 DAG size of output: 1568 [2021-06-16 20:28:01,267 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 361 [2021-06-16 20:28:01,884 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 344 [2021-06-16 20:28:02,082 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 367 [2021-06-16 20:28:02,679 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 246 [2021-06-16 20:28:03,031 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 486 [2021-06-16 20:28:04,162 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 200 [2021-06-16 20:28:04,283 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 243 [2021-06-16 20:28:04,429 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 266 [2021-06-16 20:28:04,637 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 324 [2021-06-16 20:28:04,941 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 457 [2021-06-16 20:28:05,361 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 599 [2021-06-16 20:28:06,256 WARN L205 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 817 [2021-06-16 20:28:07,480 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 1006 DAG size of output: 867 [2021-06-16 20:28:08,555 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 318 [2021-06-16 20:28:08,739 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 388 [2021-06-16 20:28:08,972 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 406 [2021-06-16 20:28:09,270 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 422 [2021-06-16 20:28:09,656 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 470 [2021-06-16 20:28:11,480 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 1433 DAG size of output: 1082 [2021-06-16 20:28:16,811 WARN L205 SmtUtils]: Spent 5.32 s on a formula simplification. DAG size of input: 2994 DAG size of output: 2129 [2021-06-16 20:28:22,887 WARN L205 SmtUtils]: Spent 6.06 s on a formula simplification. DAG size of input: 3038 DAG size of output: 2179 [2021-06-16 20:28:37,965 WARN L205 SmtUtils]: Spent 15.06 s on a formula simplification. DAG size of input: 5719 DAG size of output: 3928 [2021-06-16 20:29:07,016 WARN L205 SmtUtils]: Spent 29.03 s on a formula simplification. DAG size of input: 8989 DAG size of output: 5710 [2021-06-16 20:29:08,074 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 329 [2021-06-16 20:29:08,263 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 340 [2021-06-16 20:29:40,865 WARN L205 SmtUtils]: Spent 32.59 s on a formula simplification. DAG size of input: 9287 DAG size of output: 5929 [2021-06-16 20:30:19,445 WARN L205 SmtUtils]: Spent 38.53 s on a formula simplification. DAG size of input: 10982 DAG size of output: 7649 [2021-06-16 20:30:20,487 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 285 [2021-06-16 20:30:20,613 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 295 [2021-06-16 20:30:20,817 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 410 [2021-06-16 20:30:21,067 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 416 [2021-06-16 20:31:00,690 WARN L205 SmtUtils]: Spent 39.60 s on a formula simplification. DAG size of input: 11394 DAG size of output: 7943 [2021-06-16 20:31:40,800 WARN L205 SmtUtils]: Spent 40.06 s on a formula simplification. DAG size of input: 11649 DAG size of output: 8097 [2021-06-16 20:32:28,227 WARN L205 SmtUtils]: Spent 47.37 s on a formula simplification. DAG size of input: 12976 DAG size of output: 9218 [2021-06-16 20:32:31,859 WARN L205 SmtUtils]: Spent 3.59 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1636 [2021-06-16 20:32:32,025 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 1238 [2021-06-16 20:32:33,513 WARN L205 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 1217 DAG size of output: 1216 [2021-06-16 20:32:37,181 WARN L205 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 1215 DAG size of output: 1779 [2021-06-16 20:32:37,337 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1093 DAG size of output: 1093 [2021-06-16 20:32:37,491 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 1052 DAG size of output: 1052 [2021-06-16 20:32:38,618 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 686 DAG size of output: 991 [2021-06-16 20:32:39,345 WARN L205 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 739 [2021-06-16 20:32:40,309 WARN L205 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 766 [2021-06-16 20:32:41,130 WARN L205 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 791 [2021-06-16 20:32:41,484 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 441 [2021-06-16 20:32:42,208 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2021-06-16 20:32:42,392 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 291 [2021-06-16 20:32:42,789 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 348 [2021-06-16 20:32:43,141 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 453 [2021-06-16 20:32:43,571 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 477 [2021-06-16 20:32:44,883 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 207 [2021-06-16 20:32:45,131 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 417 [2021-06-16 20:32:45,454 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 435 [2021-06-16 20:32:46,271 WARN L205 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 758 [2021-06-16 20:32:47,387 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 1152 DAG size of output: 843 [2021-06-16 20:32:48,920 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1015 [2021-06-16 20:32:49,862 WARN L205 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 765 [2021-06-16 20:32:50,972 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 675 DAG size of output: 790 [2021-06-16 20:32:51,275 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 428 [2021-06-16 20:32:51,971 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 281 [2021-06-16 20:32:52,192 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 391 [2021-06-16 20:32:52,559 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 464 [2021-06-16 20:32:52,680 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 266 [2021-06-16 20:32:52,818 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 267 [2021-06-16 20:32:53,479 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2021-06-16 20:32:53,662 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2021-06-16 20:32:54,491 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 265 [2021-06-16 20:32:54,675 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 290 [2021-06-16 20:32:55,083 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 384 [2021-06-16 20:32:55,217 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 242 [2021-06-16 20:32:56,033 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 261 [2021-06-16 20:32:56,563 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 319 [2021-06-16 20:32:56,851 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 344 [2021-06-16 20:32:57,680 WARN L205 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 516 [2021-06-16 20:32:58,723 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 592 DAG size of output: 578 [2021-06-16 20:33:00,045 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 819 DAG size of output: 697 [2021-06-16 20:33:01,799 WARN L205 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 1184 DAG size of output: 905 [2021-06-16 20:33:04,110 WARN L205 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 1312 DAG size of output: 996 [2021-06-16 20:33:06,945 WARN L205 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 1416 DAG size of output: 1170 [2021-06-16 20:33:11,760 WARN L205 SmtUtils]: Spent 4.81 s on a formula simplification. DAG size of input: 1833 DAG size of output: 1517 [2021-06-16 20:33:18,089 WARN L205 SmtUtils]: Spent 6.32 s on a formula simplification. DAG size of input: 2174 DAG size of output: 1614 [2021-06-16 20:33:18,561 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 546 [2021-06-16 20:33:18,782 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 391 [2021-06-16 20:33:18,992 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 417 [2021-06-16 20:33:19,346 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 455 [2021-06-16 20:33:20,812 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 192 [2021-06-16 20:33:20,955 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 216 [2021-06-16 20:33:21,130 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 246 [2021-06-16 20:33:21,383 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 330 [2021-06-16 20:33:21,783 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 656 DAG size of output: 454 [2021-06-16 20:33:22,343 WARN L205 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 836 DAG size of output: 572 [2021-06-16 20:33:22,477 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 304 [2021-06-16 20:33:22,640 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 323 [2021-06-16 20:33:23,888 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 162 [2021-06-16 20:33:24,061 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 220 [2021-06-16 20:33:24,316 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 247 [2021-06-16 20:33:24,639 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 336 [2021-06-16 20:33:25,032 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 404 [2021-06-16 20:33:25,628 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 290 [2021-06-16 20:33:26,233 WARN L205 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 847 DAG size of output: 578 [2021-06-16 20:33:27,509 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 933 DAG size of output: 641 [2021-06-16 20:33:28,998 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 960 DAG size of output: 668 [2021-06-16 20:33:30,983 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 1138 DAG size of output: 701 [2021-06-16 20:33:31,223 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 487 [2021-06-16 20:33:31,489 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-06-16 20:33:31,664 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-06-16 20:33:31,853 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 362 [2021-06-16 20:33:33,023 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 219 [2021-06-16 20:33:33,219 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 243 [2021-06-16 20:33:33,502 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 341 [2021-06-16 20:33:33,853 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 403 [2021-06-16 20:33:34,351 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 476 [2021-06-16 20:33:34,548 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-06-16 20:33:34,734 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-06-16 20:33:35,880 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 313 [2021-06-16 20:33:36,069 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 333 [2021-06-16 20:33:36,336 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 401 [2021-06-16 20:33:36,737 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 471 [2021-06-16 20:33:37,769 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 837 DAG size of output: 632 [2021-06-16 20:33:39,139 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1009 DAG size of output: 667 [2021-06-16 20:33:42,511 WARN L205 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 1961 DAG size of output: 1076 [2021-06-16 20:33:52,305 WARN L205 SmtUtils]: Spent 9.78 s on a formula simplification. DAG size of input: 3390 DAG size of output: 2173 [2021-06-16 20:34:03,799 WARN L205 SmtUtils]: Spent 11.11 s on a formula simplification. DAG size of input: 3507 DAG size of output: 2263 [2021-06-16 20:34:17,001 WARN L205 SmtUtils]: Spent 13.18 s on a formula simplification. DAG size of input: 4235 DAG size of output: 2787 [2021-06-16 20:34:30,451 WARN L205 SmtUtils]: Spent 13.43 s on a formula simplification. DAG size of input: 4456 DAG size of output: 2926 [2021-06-16 20:34:44,188 WARN L205 SmtUtils]: Spent 13.72 s on a formula simplification. DAG size of input: 4635 DAG size of output: 3051 [2021-06-16 20:34:59,965 WARN L205 SmtUtils]: Spent 15.76 s on a formula simplification. DAG size of input: 5120 DAG size of output: 3306 [2021-06-16 20:36:05,286 WARN L205 SmtUtils]: Spent 1.09 m on a formula simplification. DAG size of input: 16679 DAG size of output: 11341 [2021-06-16 20:37:18,226 WARN L205 SmtUtils]: Spent 1.21 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 [2021-06-16 20:38:31,025 WARN L205 SmtUtils]: Spent 1.21 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