/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 15:22:03,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 15:22:03,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 15:22:03,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 15:22:03,597 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random7777.epf [2021-07-10 15:22:03,612 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 15:22:03,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 15:22:03,613 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 15:22:03,613 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 15:22:03,614 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 15:22:03,614 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 15:22:03,614 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 15:22:03,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 15:22:03,614 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 15:22:03,614 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 15:22:03,614 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 15:22:03,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 15:22:03,614 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 15:22:03,614 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 15:22:03,615 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 15:22:03,615 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 15:22:03,615 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 15:22:03,615 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 15:22:03,615 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 15:22:03,615 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 15:22:03,615 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 15:22:03,615 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 15:22:03,615 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 15:22:03,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 15:22:03,616 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 15:22:03,616 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 15:22:03,616 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 15:22:03,616 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 15:22:03,616 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-10 15:22:03,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 15:22:03,616 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 15:22:03,616 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 15:22:03,616 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 15:22:03,616 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-10 15:22:03,617 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-10 15:22:03,617 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 15:22:03,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 15:22:03,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 15:22:03,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 15:22:03,897 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 15:22:03,898 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 15:22:03,899 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl [2021-07-10 15:22:03,899 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl' [2021-07-10 15:22:03,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 15:22:03,916 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 15:22:03,922 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 15:22:03,922 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 15:22:03,922 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 15:22:03,931 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 10.07 03:22:03" (1/1) ... [2021-07-10 15:22:03,938 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 10.07 03:22:03" (1/1) ... [2021-07-10 15:22:03,942 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 15:22:03,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 15:22:03,944 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 15:22:03,944 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 15:22:03,949 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:22:03" (1/1) ... [2021-07-10 15:22:03,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:22:03" (1/1) ... [2021-07-10 15:22:03,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:22:03" (1/1) ... [2021-07-10 15:22:03,950 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:22:03" (1/1) ... [2021-07-10 15:22:03,951 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:22:03" (1/1) ... [2021-07-10 15:22:03,953 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:22:03" (1/1) ... [2021-07-10 15:22:03,953 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:22:03" (1/1) ... [2021-07-10 15:22:03,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 15:22:03,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 15:22:03,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 15:22:03,955 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 15:22:03,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:22:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 15:22:04,004 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 15:22:04,004 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 15:22:04,004 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 15:22:04,004 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 15:22:04,004 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 15:22:04,004 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 15:22:04,004 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 15:22:04,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 15:22:04,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 15:22:04,005 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 15:22:04,286 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 15:22:04,287 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-10 15:22:04,287 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-10 15:22:04,287 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-10 15:22:04,288 INFO L202 PluginConnector]: Adding new model unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 03:22:04 BoogieIcfgContainer [2021-07-10 15:22:04,289 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 15:22:04,290 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 15:22:04,290 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 15:22:04,292 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 15:22:04,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:22:03" (1/2) ... [2021-07-10 15:22:04,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@578d77e1 and model type unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 03:22:04, skipping insertion in model container [2021-07-10 15:22:04,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 03:22:04" (2/2) ... [2021-07-10 15:22:04,293 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-4.wvr.bpl [2021-07-10 15:22:04,297 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 15:22:04,297 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 15:22:04,297 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 15:22:04,297 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 15:22:04,316 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-10 15:22:04,331 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 15:22:04,379 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 15:22:04,379 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 15:22:04,379 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 15:22:04,379 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 15:22:04,379 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 15:22:04,379 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 15:22:04,379 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 15:22:04,379 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 15:22:04,447 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:22:04,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:22:04,452 INFO L82 PathProgramCache]: Analyzing trace with hash 355583861, now seen corresponding path program 1 times [2021-07-10 15:22:04,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:22:04,459 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576512279] [2021-07-10 15:22:04,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:22:04,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:22:04,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:22:04,550 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:22:04,551 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576512279] [2021-07-10 15:22:04,551 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576512279] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 15:22:04,551 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 15:22:04,551 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-10 15:22:04,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821938334] [2021-07-10 15:22:04,554 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 15:22:04,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:22:04,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 15:22:04,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 15:22:04,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:04,565 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:22:04,566 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:22:04,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:04,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:04,578 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 15:22:04,578 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:22:04,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:22:04,578 INFO L82 PathProgramCache]: Analyzing trace with hash -1011874347, now seen corresponding path program 1 times [2021-07-10 15:22:04,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:22:04,579 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342010782] [2021-07-10 15:22:04,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:22:04,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:22:04,603 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:22:04,604 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:22:04,604 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342010782] [2021-07-10 15:22:04,604 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342010782] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 15:22:04,604 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 15:22:04,604 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-10 15:22:04,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533607235] [2021-07-10 15:22:04,605 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 15:22:04,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:22:04,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 15:22:04,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 15:22:04,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:04,606 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:22:04,606 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:22:04,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:04,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:04,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:04,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:04,628 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-10 15:22:04,628 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:22:04,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:22:04,629 INFO L82 PathProgramCache]: Analyzing trace with hash -2139137496, now seen corresponding path program 1 times [2021-07-10 15:22:04,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:22:04,629 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200496820] [2021-07-10 15:22:04,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:22:04,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:22:04,661 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 15:22:04,661 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:22:04,661 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200496820] [2021-07-10 15:22:04,662 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200496820] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:04,662 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [318390564] [2021-07-10 15:22:04,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:22:04,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:22:04,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-10 15:22:04,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:22:04,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 15:22:04,741 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [318390564] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:04,742 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:22:04,742 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-07-10 15:22:04,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837015829] [2021-07-10 15:22:04,742 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 15:22:04,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:22:04,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 15:22:04,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 15:22:04,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:04,743 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:22:04,743 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:22:04,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:04,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:04,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:04,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:04,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:04,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:04,972 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:22:04,972 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:22:04,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:22:04,973 INFO L82 PathProgramCache]: Analyzing trace with hash -2006482808, now seen corresponding path program 2 times [2021-07-10 15:22:04,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:22:04,973 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395156468] [2021-07-10 15:22:04,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:22:04,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:22:05,022 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 15:22:05,023 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:22:05,023 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395156468] [2021-07-10 15:22:05,023 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395156468] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:05,023 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1668950009] [2021-07-10 15:22:05,024 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:22:05,057 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 15:22:05,058 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:22:05,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-10 15:22:05,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:22:05,109 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 15:22:05,110 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1668950009] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:05,110 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:22:05,110 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-07-10 15:22:05,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682265612] [2021-07-10 15:22:05,110 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 15:22:05,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:22:05,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 15:22:05,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-10 15:22:05,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:05,111 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:22:05,111 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) [2021-07-10 15:22:05,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:05,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:05,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:05,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:05,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:05,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:05,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:05,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:22:05,341 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:22:05,342 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:22:05,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:22:05,342 INFO L82 PathProgramCache]: Analyzing trace with hash 2105812520, now seen corresponding path program 3 times [2021-07-10 15:22:05,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:22:05,342 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310499025] [2021-07-10 15:22:05,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:22:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:22:05,417 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 15:22:05,417 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:22:05,417 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310499025] [2021-07-10 15:22:05,418 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310499025] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:05,418 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1520743364] [2021-07-10 15:22:05,418 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:22:05,445 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 15:22:05,445 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:22:05,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-10 15:22:05,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:22:05,508 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 15:22:05,509 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1520743364] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:05,509 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:22:05,509 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-07-10 15:22:05,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265630219] [2021-07-10 15:22:05,509 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-10 15:22:05,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:22:05,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-10 15:22:05,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-07-10 15:22:05,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:05,511 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:22:05,512 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:22:05,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:05,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:05,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:05,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:22:05,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:05,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:05,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:05,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:05,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:22:05,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:22:05,780 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:22:05,781 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:22:05,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:22:05,781 INFO L82 PathProgramCache]: Analyzing trace with hash 737948808, now seen corresponding path program 4 times [2021-07-10 15:22:05,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:22:05,781 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081176482] [2021-07-10 15:22:05,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:22:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:22:05,817 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:22:05,818 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:22:05,818 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081176482] [2021-07-10 15:22:05,818 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081176482] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:05,818 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [980460942] [2021-07-10 15:22:05,818 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:22:05,840 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 15:22:05,840 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:22:05,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 15:22:05,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:22:05,937 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:22:05,937 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 [2021-07-10 15:22:05,972 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:22:05,973 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:22:05,973 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 15:22:05,974 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-07-10 15:22:05,979 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:22:05,979 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [980460942] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:05,979 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:22:05,979 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2021-07-10 15:22:05,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564861900] [2021-07-10 15:22:05,980 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-10 15:22:05,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:22:05,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-10 15:22:05,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-07-10 15:22:05,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:05,980 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:22:05,981 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) [2021-07-10 15:22:05,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:05,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:05,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:05,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:22:05,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:22:05,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:06,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:06,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:06,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:06,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:22:06,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:22:06,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:22:06,224 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-07-10 15:22:06,225 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:22:06,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:22:06,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1283846696, now seen corresponding path program 5 times [2021-07-10 15:22:06,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:22:06,226 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900594538] [2021-07-10 15:22:06,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:22:06,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:22:06,293 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:22:06,293 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:22:06,293 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900594538] [2021-07-10 15:22:06,293 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900594538] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:06,294 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1207410422] [2021-07-10 15:22:06,294 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:22:06,361 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-10 15:22:06,361 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:22:06,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-10 15:22:06,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:22:06,414 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:22:06,414 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1207410422] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:06,414 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:22:06,414 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-07-10 15:22:06,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492389898] [2021-07-10 15:22:06,414 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-10 15:22:06,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:22:06,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-10 15:22:06,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-07-10 15:22:06,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:06,415 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:22:06,415 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) [2021-07-10 15:22:06,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:06,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:06,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:06,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:22:06,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:22:06,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:22:06,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:06,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:06,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:06,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:06,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:22:06,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:22:06,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:22:06,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:22:06,693 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:22:06,693 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:22:06,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:22:06,693 INFO L82 PathProgramCache]: Analyzing trace with hash 1167612631, now seen corresponding path program 6 times [2021-07-10 15:22:06,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:22:06,694 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746304626] [2021-07-10 15:22:06,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:22:06,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:22:06,775 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 15:22:06,775 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:22:06,775 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746304626] [2021-07-10 15:22:06,776 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746304626] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:06,777 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [615850497] [2021-07-10 15:22:06,777 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:22:06,815 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-10 15:22:06,815 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:22:06,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-10 15:22:06,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:22:06,890 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 15:22:06,890 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [615850497] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:06,891 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:22:06,891 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-10 15:22:06,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106651881] [2021-07-10 15:22:06,891 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-10 15:22:06,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:22:06,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-10 15:22:06,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-07-10 15:22:06,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:06,893 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:22:06,893 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:22:06,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:06,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:06,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:06,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:22:06,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:22:06,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:22:06,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:22:06,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:07,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:07,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:07,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:07,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:22:07,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:22:07,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:22:07,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:22:07,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 15:22:07,220 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-10 15:22:07,221 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:22:07,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:22:07,221 INFO L82 PathProgramCache]: Analyzing trace with hash 1789472887, now seen corresponding path program 7 times [2021-07-10 15:22:07,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:22:07,222 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415671310] [2021-07-10 15:22:07,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:22:07,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:22:07,327 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 15:22:07,327 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:22:07,327 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415671310] [2021-07-10 15:22:07,327 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415671310] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:07,327 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [204104613] [2021-07-10 15:22:07,327 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:22:07,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:22:07,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-10 15:22:07,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:22:07,431 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 15:22:07,431 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [204104613] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:07,431 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:22:07,431 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-07-10 15:22:07,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38714712] [2021-07-10 15:22:07,432 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-10 15:22:07,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:22:07,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-10 15:22:07,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-07-10 15:22:07,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:07,432 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:22:07,432 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) [2021-07-10 15:22:07,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:07,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:07,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:07,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:22:07,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:22:07,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:22:07,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:22:07,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 15:22:07,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:07,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:07,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:07,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:07,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:22:07,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:22:07,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:22:07,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:22:07,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 15:22:07,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 15:22:07,772 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-07-10 15:22:07,773 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:22:07,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:22:07,773 INFO L82 PathProgramCache]: Analyzing trace with hash -407695657, now seen corresponding path program 8 times [2021-07-10 15:22:07,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:22:07,773 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5286766] [2021-07-10 15:22:07,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:22:07,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:22:07,860 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 15:22:07,860 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:22:07,860 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5286766] [2021-07-10 15:22:07,861 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5286766] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:07,861 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1685209249] [2021-07-10 15:22:07,861 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:22:07,895 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 15:22:07,896 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:22:07,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 15:22:07,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:22:07,988 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 15:22:07,988 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1685209249] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:07,988 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:22:07,988 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-07-10 15:22:07,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713076274] [2021-07-10 15:22:07,989 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-10 15:22:07,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:22:07,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-10 15:22:07,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-07-10 15:22:07,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:07,989 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:22:07,990 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) [2021-07-10 15:22:07,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:07,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:07,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:07,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:22:07,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:22:07,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:22:07,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:22:07,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 15:22:07,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 15:22:07,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:08,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:08,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:08,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:08,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:22:08,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:22:08,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:22:08,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:22:08,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 15:22:08,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 15:22:08,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 15:22:08,324 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-07-10 15:22:08,325 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:22:08,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:22:08,325 INFO L82 PathProgramCache]: Analyzing trace with hash 199556215, now seen corresponding path program 9 times [2021-07-10 15:22:08,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:22:08,325 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251555848] [2021-07-10 15:22:08,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:22:08,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:22:08,384 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:22:08,384 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:22:08,384 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251555848] [2021-07-10 15:22:08,384 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251555848] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:08,384 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39625680] [2021-07-10 15:22:08,384 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:22:08,409 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-10 15:22:08,409 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:22:08,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-10 15:22:08,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:22:08,736 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-07-10 15:22:08,736 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:22:08,736 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 [2021-07-10 15:22:09,719 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 274 [2021-07-10 15:22:11,129 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:22:11,130 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:22:11,131 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 15:22:11,131 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-07-10 15:22:11,136 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:22:11,136 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [39625680] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:11,136 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:22:11,136 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12] total 20 [2021-07-10 15:22:11,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267114790] [2021-07-10 15:22:11,136 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-10 15:22:11,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:22:11,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-10 15:22:11,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-07-10 15:22:11,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:11,137 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:22:11,137 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) [2021-07-10 15:22:11,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:11,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:11,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:11,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:22:11,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:22:11,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:22:11,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:22:11,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 15:22:11,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 15:22:11,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 15:22:11,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:11,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:11,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:11,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:11,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:22:11,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:22:11,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:22:11,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:22:11,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 15:22:11,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 15:22:11,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 15:22:11,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 15:22:11,424 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-07-10 15:22:11,424 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:22:11,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:22:11,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1844495063, now seen corresponding path program 10 times [2021-07-10 15:22:11,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:22:11,424 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232800966] [2021-07-10 15:22:11,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:22:11,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:22:11,518 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:22:11,518 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:22:11,518 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232800966] [2021-07-10 15:22:11,518 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232800966] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:11,518 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [338909339] [2021-07-10 15:22:11,518 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:22:11,569 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 15:22:11,569 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:22:11,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-10 15:22:11,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:22:11,631 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:22:11,631 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [338909339] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:11,631 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:22:11,631 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-07-10 15:22:11,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37656765] [2021-07-10 15:22:11,631 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-10 15:22:11,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:22:11,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-10 15:22:11,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-07-10 15:22:11,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:11,632 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:22:11,632 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) [2021-07-10 15:22:11,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:11,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:11,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:11,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:22:11,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:22:11,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:22:11,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:22:11,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 15:22:11,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 15:22:11,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 15:22:11,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 15:22:11,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:11,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:11,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:11,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:11,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:22:11,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:22:11,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:22:11,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:22:11,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 15:22:11,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 15:22:11,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 15:22:11,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 15:22:11,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 15:22:11,981 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable313 [2021-07-10 15:22:11,982 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:22:11,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:22:11,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1367842824, now seen corresponding path program 11 times [2021-07-10 15:22:11,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:22:11,982 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687924452] [2021-07-10 15:22:11,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:22:11,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:22:12,089 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 15:22:12,089 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:22:12,089 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687924452] [2021-07-10 15:22:12,089 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687924452] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:12,089 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [399935170] [2021-07-10 15:22:12,090 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:22:12,120 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-10 15:22:12,120 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:22:12,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-10 15:22:12,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:22:12,249 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 15:22:12,249 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [399935170] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:12,249 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:22:12,249 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-07-10 15:22:12,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010963678] [2021-07-10 15:22:12,249 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-10 15:22:12,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:22:12,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-10 15:22:12,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2021-07-10 15:22:12,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:12,250 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:22:12,250 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) [2021-07-10 15:22:12,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:12,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:12,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:12,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:22:12,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:22:12,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:22:12,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:22:12,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 15:22:12,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 15:22:12,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 15:22:12,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 15:22:12,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 15:22:12,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:12,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:12,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:12,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:12,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:22:12,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:22:12,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:22:12,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:22:12,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 15:22:12,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 15:22:12,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 15:22:12,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 15:22:12,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 15:22:12,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:22:12,749 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable314,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:22:12,749 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:22:12,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:22:12,749 INFO L82 PathProgramCache]: Analyzing trace with hash 1606110824, now seen corresponding path program 12 times [2021-07-10 15:22:12,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:22:12,749 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130761053] [2021-07-10 15:22:12,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:22:12,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:22:12,880 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 15:22:12,880 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:22:12,880 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130761053] [2021-07-10 15:22:12,880 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130761053] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:12,880 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321173969] [2021-07-10 15:22:12,880 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 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 [2021-07-10 15:22:12,928 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-10 15:22:12,929 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:22:12,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-10 15:22:12,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:22:13,189 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:22:13,189 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [321173969] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:13,189 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:22:13,189 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 26 [2021-07-10 15:22:13,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805550489] [2021-07-10 15:22:13,190 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-10 15:22:13,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:22:13,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-10 15:22:13,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=638, Unknown=0, NotChecked=0, Total=702 [2021-07-10 15:22:13,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:13,191 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:22:13,191 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) [2021-07-10 15:22:13,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:13,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:13,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:13,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:22:13,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:22:13,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:22:13,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:22:13,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 15:22:13,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 15:22:13,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 15:22:13,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 15:22:13,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 15:22:13,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:22:13,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:13,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:13,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:13,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:13,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:22:13,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:22:13,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:22:13,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:22:13,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 15:22:13,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 15:22:13,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 15:22:13,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 15:22:13,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 15:22:13,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:22:13,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 15:22:13,829 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable315 [2021-07-10 15:22:13,829 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:22:13,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:22:13,830 INFO L82 PathProgramCache]: Analyzing trace with hash 402484232, now seen corresponding path program 13 times [2021-07-10 15:22:13,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:22:13,830 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839998827] [2021-07-10 15:22:13,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:22:13,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:22:13,992 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 15:22:13,993 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:22:13,993 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839998827] [2021-07-10 15:22:13,993 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839998827] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:13,993 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [253466835] [2021-07-10 15:22:13,993 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 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 [2021-07-10 15:22:14,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:22:14,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 23 conjunts are in the unsatisfiable core [2021-07-10 15:22:14,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:22:14,194 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 15:22:14,195 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [253466835] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:14,195 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:22:14,195 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-07-10 15:22:14,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314119397] [2021-07-10 15:22:14,195 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-10 15:22:14,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:22:14,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-10 15:22:14,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=493, Unknown=0, NotChecked=0, Total=552 [2021-07-10 15:22:14,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:14,196 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:22:14,196 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) [2021-07-10 15:22:14,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:14,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:14,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:14,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:22:14,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:22:14,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:22:14,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:22:14,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 15:22:14,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 15:22:14,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 15:22:14,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 15:22:14,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 15:22:14,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:22:14,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 15:22:14,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:22:14,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 15:22:14,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:14,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:22:14,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:22:14,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:22:14,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:22:14,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:22:14,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 15:22:14,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 15:22:14,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 15:22:14,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 15:22:14,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 15:22:14,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:22:14,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 15:22:14,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:22:14,668 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable316,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:22:14,669 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:22:14,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:22:14,669 INFO L82 PathProgramCache]: Analyzing trace with hash 1744765544, now seen corresponding path program 14 times [2021-07-10 15:22:14,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:22:14,669 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780702397] [2021-07-10 15:22:14,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:22:14,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:22:14,788 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:22:14,788 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:22:14,788 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780702397] [2021-07-10 15:22:14,788 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780702397] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:22:14,788 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [961345920] [2021-07-10 15:22:14,788 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 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 [2021-07-10 15:22:14,817 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 15:22:14,817 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:22:14,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 37 conjunts are in the unsatisfiable core [2021-07-10 15:22:14,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:22:15,410 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-07-10 15:22:15,411 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:22:15,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 23 new quantified variables, introduced 66 case distinctions, treesize of input 55 treesize of output 568 [2021-07-10 15:22:16,238 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 380 [2021-07-10 15:22:16,389 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 383 [2021-07-10 15:22:17,555 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 513 [2021-07-10 15:22:17,792 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 516 [2021-07-10 15:22:18,233 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 757 [2021-07-10 15:22:18,801 WARN L205 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 938 DAG size of output: 782 [2021-07-10 15:22:19,583 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 397 [2021-07-10 15:22:19,759 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 432 [2021-07-10 15:22:19,973 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 439 [2021-07-10 15:22:20,652 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 387 [2021-07-10 15:22:21,281 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 392 [2021-07-10 15:22:21,560 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 687 [2021-07-10 15:22:21,904 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 720 [2021-07-10 15:22:22,319 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 760 DAG size of output: 727 [2021-07-10 15:22:23,028 WARN L205 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 1118 DAG size of output: 985 [2021-07-10 15:22:23,859 WARN L205 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 1140 DAG size of output: 1008 [2021-07-10 15:22:25,317 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 1924 DAG size of output: 1536 [2021-07-10 15:22:26,394 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 483 [2021-07-10 15:22:26,600 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 486 [2021-07-10 15:22:27,365 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 347 [2021-07-10 15:22:27,742 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 711 [2021-07-10 15:22:28,188 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 737 [2021-07-10 15:22:28,891 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 367 [2021-07-10 15:22:29,033 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 402 [2021-07-10 15:22:29,216 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 408 [2021-07-10 15:22:30,550 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 657 [2021-07-10 15:22:30,846 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 690 [2021-07-10 15:22:31,212 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 696 [2021-07-10 15:22:31,832 WARN L205 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 1082 DAG size of output: 940 [2021-07-10 15:22:32,550 WARN L205 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 964 [2021-07-10 15:22:33,860 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1466 [2021-07-10 15:22:37,060 WARN L205 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 3619 DAG size of output: 2834 [2021-07-10 15:22:40,765 WARN L205 SmtUtils]: Spent 3.69 s on a formula simplification. DAG size of input: 3664 DAG size of output: 2879 [2021-07-10 15:22:44,969 WARN L205 SmtUtils]: Spent 4.19 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-07-10 15:22:49,180 WARN L205 SmtUtils]: Spent 4.20 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-07-10 15:22:54,192 WARN L205 SmtUtils]: Spent 5.00 s on a formula simplification. DAG size of input: 3707 DAG size of output: 2922 [2021-07-10 15:22:58,849 WARN L205 SmtUtils]: Spent 4.63 s on a formula simplification. DAG size of input: 2924 DAG size of output: 2915 [2021-07-10 15:23:03,858 WARN L205 SmtUtils]: Spent 4.99 s on a formula simplification. DAG size of input: 2912 DAG size of output: 3217 [2021-07-10 15:23:11,708 WARN L205 SmtUtils]: Spent 7.83 s on a formula simplification. DAG size of input: 2696 DAG size of output: 3553 [2021-07-10 15:23:11,877 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 2516 [2021-07-10 15:23:12,917 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 278 [2021-07-10 15:23:14,760 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 2495 DAG size of output: 2494 [2021-07-10 15:23:21,106 WARN L205 SmtUtils]: Spent 6.33 s on a formula simplification. DAG size of input: 2493 DAG size of output: 3700 [2021-07-10 15:23:21,408 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 2169 DAG size of output: 2169 [2021-07-10 15:23:21,688 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 2126 DAG size of output: 2126 [2021-07-10 15:23:22,645 WARN L205 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 977 [2021-07-10 15:23:23,060 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 339 [2021-07-10 15:23:24,487 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 257 [2021-07-10 15:23:24,702 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 340 [2021-07-10 15:23:24,999 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 396 [2021-07-10 15:23:25,458 WARN L205 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 592 [2021-07-10 15:23:26,261 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 185 [2021-07-10 15:23:26,391 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 243 [2021-07-10 15:23:26,719 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 265 [2021-07-10 15:23:27,022 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 425 [2021-07-10 15:23:27,469 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 623 [2021-07-10 15:23:28,474 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 1090 DAG size of output: 844 [2021-07-10 15:23:29,752 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 322 [2021-07-10 15:23:30,025 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 350 [2021-07-10 15:23:30,943 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 285 [2021-07-10 15:23:31,180 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 391 [2021-07-10 15:23:31,482 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 449 [2021-07-10 15:23:32,352 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 238 [2021-07-10 15:23:32,542 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 360 [2021-07-10 15:23:32,798 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 396 [2021-07-10 15:23:33,129 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 455 [2021-07-10 15:23:33,841 WARN L205 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 659 [2021-07-10 15:23:34,786 WARN L205 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 827 DAG size of output: 710 [2021-07-10 15:23:35,640 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 245 [2021-07-10 15:23:35,804 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 305 [2021-07-10 15:23:36,033 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 409 [2021-07-10 15:23:36,331 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 472 [2021-07-10 15:23:37,290 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 221 [2021-07-10 15:23:37,435 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 275 [2021-07-10 15:23:37,646 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 374 [2021-07-10 15:23:37,910 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 411 [2021-07-10 15:23:38,260 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 475 [2021-07-10 15:23:38,996 WARN L205 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 714 [2021-07-10 15:23:40,783 WARN L205 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 1682 DAG size of output: 1237 [2021-07-10 15:23:43,732 WARN L205 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 2518 DAG size of output: 1697 [2021-07-10 15:23:47,132 WARN L205 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 2537 DAG size of output: 1736 [2021-07-10 15:23:51,457 WARN L205 SmtUtils]: Spent 4.31 s on a formula simplification. DAG size of input: 2890 DAG size of output: 1831 [2021-07-10 15:23:52,526 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 700 DAG size of output: 1050 [2021-07-10 15:23:52,904 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 660 [2021-07-10 15:23:53,477 WARN L205 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 647 DAG size of output: 823 [2021-07-10 15:23:54,490 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 257 [2021-07-10 15:23:54,685 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 285 [2021-07-10 15:23:54,952 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 348 [2021-07-10 15:23:55,329 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 513 [2021-07-10 15:23:55,517 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 429 [2021-07-10 15:23:56,466 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 283 [2021-07-10 15:23:56,654 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 309 [2021-07-10 15:23:57,557 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 270 [2021-07-10 15:23:57,715 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 296 [2021-07-10 15:23:58,141 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 492 [2021-07-10 15:23:58,667 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 624 [2021-07-10 15:23:59,409 WARN L205 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 814 [2021-07-10 15:24:00,590 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 1338 DAG size of output: 1058 [2021-07-10 15:24:02,237 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 1723 DAG size of output: 1396 [2021-07-10 15:24:02,890 WARN L205 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 828 [2021-07-10 15:24:03,480 WARN L205 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 766 [2021-07-10 15:24:03,850 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 639 [2021-07-10 15:24:03,960 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 332 [2021-07-10 15:24:05,586 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 248 [2021-07-10 15:24:05,744 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 212 [2021-07-10 15:24:06,030 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 388 [2021-07-10 15:24:06,632 WARN L205 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 707 [2021-07-10 15:24:07,553 WARN L205 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 1357 DAG size of output: 863 [2021-07-10 15:24:08,871 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1729 DAG size of output: 1197 [2021-07-10 15:24:12,137 WARN L205 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 2363 DAG size of output: 1672 [2021-07-10 15:24:15,917 WARN L205 SmtUtils]: Spent 3.77 s on a formula simplification. DAG size of input: 2424 DAG size of output: 1716 [2021-07-10 15:24:21,352 WARN L205 SmtUtils]: Spent 5.43 s on a formula simplification. DAG size of input: 2831 DAG size of output: 1844 [2021-07-10 15:24:32,085 WARN L205 SmtUtils]: Spent 10.72 s on a formula simplification. DAG size of input: 5382 DAG size of output: 3237 [2021-07-10 15:24:33,303 WARN L205 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 707 DAG size of output: 1000 [2021-07-10 15:24:33,865 WARN L205 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 712 [2021-07-10 15:24:34,626 WARN L205 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 877 [2021-07-10 15:24:35,106 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 729 [2021-07-10 15:24:35,901 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 262 [2021-07-10 15:24:36,098 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 300 [2021-07-10 15:24:36,313 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 374 [2021-07-10 15:24:37,165 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 229 [2021-07-10 15:24:37,965 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 344 [2021-07-10 15:24:38,873 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 334 [2021-07-10 15:24:39,925 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 369 [2021-07-10 15:24:40,340 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 560 [2021-07-10 15:24:41,114 WARN L205 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 902 DAG size of output: 726 [2021-07-10 15:24:42,058 WARN L205 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 962 DAG size of output: 768 [2021-07-10 15:24:43,237 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 1071 DAG size of output: 879 [2021-07-10 15:24:44,495 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1304 DAG size of output: 904 [2021-07-10 15:24:46,335 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 1744 DAG size of output: 1304 [2021-07-10 15:24:48,825 WARN L205 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 2015 DAG size of output: 1655 [2021-07-10 15:24:49,626 WARN L205 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 879 [2021-07-10 15:24:49,978 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 490 [2021-07-10 15:24:50,260 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 491 [2021-07-10 15:24:51,432 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 260 [2021-07-10 15:24:52,275 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 289 [2021-07-10 15:24:52,546 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 317 [2021-07-10 15:24:52,930 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 433 [2021-07-10 15:24:53,629 WARN L205 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 821 DAG size of output: 666 [2021-07-10 15:24:54,646 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 945 DAG size of output: 803 [2021-07-10 15:24:54,827 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 354 [2021-07-10 15:24:55,492 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 338 [2021-07-10 15:24:55,670 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 377 [2021-07-10 15:24:55,935 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 443 [2021-07-10 15:24:57,178 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 1314 DAG size of output: 1007 [2021-07-10 15:24:59,016 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 1586 DAG size of output: 1355 [2021-07-10 15:25:03,744 WARN L205 SmtUtils]: Spent 4.72 s on a formula simplification. DAG size of input: 2617 DAG size of output: 2064 [2021-07-10 15:25:10,305 WARN L205 SmtUtils]: Spent 6.55 s on a formula simplification. DAG size of input: 2989 DAG size of output: 2220 [2021-07-10 15:25:17,706 WARN L205 SmtUtils]: Spent 7.39 s on a formula simplification. DAG size of input: 3049 DAG size of output: 2305 [2021-07-10 15:25:18,366 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 573 [2021-07-10 15:25:19,079 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 296 [2021-07-10 15:25:19,246 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 358 [2021-07-10 15:25:19,941 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 451 [2021-07-10 15:25:20,862 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 215 [2021-07-10 15:25:21,021 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 254 [2021-07-10 15:25:21,235 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 348 [2021-07-10 15:25:21,531 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 399 [2021-07-10 15:25:21,896 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 425 [2021-07-10 15:25:22,349 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 485 [2021-07-10 15:25:22,885 WARN L205 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 521 [2021-07-10 15:25:24,146 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 328 [2021-07-10 15:25:24,402 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 369 [2021-07-10 15:25:24,720 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 394 [2021-07-10 15:25:25,200 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 433 [2021-07-10 15:25:25,723 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 517 [2021-07-10 15:25:26,360 WARN L205 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 580 [2021-07-10 15:25:27,676 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 978 DAG size of output: 863 [2021-07-10 15:25:28,559 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 202 [2021-07-10 15:25:28,721 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 256 [2021-07-10 15:25:28,964 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 384 [2021-07-10 15:25:29,287 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 442 [2021-07-10 15:25:29,474 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 292 [2021-07-10 15:25:30,095 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 328 [2021-07-10 15:25:30,317 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 391 [2021-07-10 15:25:30,597 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 450 [2021-07-10 15:25:31,290 WARN L205 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 639 [2021-07-10 15:25:32,384 WARN L205 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 800 DAG size of output: 715 [2021-07-10 15:25:34,829 WARN L205 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 1872 DAG size of output: 1482 [2021-07-10 15:25:38,020 WARN L205 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 2070 DAG size of output: 1568 [2021-07-10 15:25:38,159 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 361 [2021-07-10 15:25:38,749 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 344 [2021-07-10 15:25:38,941 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 367 [2021-07-10 15:25:39,517 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 246 [2021-07-10 15:25:39,859 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 486 [2021-07-10 15:25:40,852 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 243 [2021-07-10 15:25:40,993 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 266 [2021-07-10 15:25:41,195 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 324 [2021-07-10 15:25:41,483 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 457 [2021-07-10 15:25:41,890 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 599 [2021-07-10 15:25:42,725 WARN L205 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 817 [2021-07-10 15:25:43,849 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 1006 DAG size of output: 867 [2021-07-10 15:25:44,886 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 318 [2021-07-10 15:25:45,051 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 388 [2021-07-10 15:25:45,272 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 406 [2021-07-10 15:25:45,534 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 422 [2021-07-10 15:25:45,885 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 470 [2021-07-10 15:25:47,549 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 1433 DAG size of output: 1082 [2021-07-10 15:25:52,544 WARN L205 SmtUtils]: Spent 4.99 s on a formula simplification. DAG size of input: 2994 DAG size of output: 2129 [2021-07-10 15:25:58,165 WARN L205 SmtUtils]: Spent 5.61 s on a formula simplification. DAG size of input: 3038 DAG size of output: 2179 [2021-07-10 15:26:12,020 WARN L205 SmtUtils]: Spent 13.84 s on a formula simplification. DAG size of input: 5719 DAG size of output: 3928 [2021-07-10 15:26:38,807 WARN L205 SmtUtils]: Spent 26.76 s on a formula simplification. DAG size of input: 8989 DAG size of output: 5710 [2021-07-10 15:26:39,804 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 329 [2021-07-10 15:26:39,981 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 340 [2021-07-10 15:27:10,223 WARN L205 SmtUtils]: Spent 30.23 s on a formula simplification. DAG size of input: 9287 DAG size of output: 5929 [2021-07-10 15:27:46,109 WARN L205 SmtUtils]: Spent 35.84 s on a formula simplification. DAG size of input: 10982 DAG size of output: 7649 [2021-07-10 15:27:47,148 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 295 [2021-07-10 15:27:47,343 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 410 [2021-07-10 15:27:47,575 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 416 [2021-07-10 15:28:23,749 WARN L205 SmtUtils]: Spent 36.16 s on a formula simplification. DAG size of input: 11394 DAG size of output: 7943 [2021-07-10 15:29:00,609 WARN L205 SmtUtils]: Spent 36.81 s on a formula simplification. DAG size of input: 11649 DAG size of output: 8097 [2021-07-10 15:29:44,483 WARN L205 SmtUtils]: Spent 43.81 s on a formula simplification. DAG size of input: 12976 DAG size of output: 9218 [2021-07-10 15:29:47,840 WARN L205 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1636 [2021-07-10 15:29:47,989 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 1238 [2021-07-10 15:29:49,369 WARN L205 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 1217 DAG size of output: 1216 [2021-07-10 15:29:52,736 WARN L205 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 1215 DAG size of output: 1779 [2021-07-10 15:29:52,880 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 1093 DAG size of output: 1093 [2021-07-10 15:29:53,019 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 1052 DAG size of output: 1052 [2021-07-10 15:29:54,059 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 686 DAG size of output: 991 [2021-07-10 15:29:54,717 WARN L205 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 739 [2021-07-10 15:29:55,610 WARN L205 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 766 [2021-07-10 15:29:56,338 WARN L205 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 791 [2021-07-10 15:29:56,661 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 441 [2021-07-10 15:29:57,338 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2021-07-10 15:29:57,499 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 291 [2021-07-10 15:29:57,862 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 348 [2021-07-10 15:29:58,186 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 453 [2021-07-10 15:29:58,583 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 477 [2021-07-10 15:30:00,077 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 417 [2021-07-10 15:30:00,378 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 435 [2021-07-10 15:30:01,144 WARN L205 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 758 [2021-07-10 15:30:02,155 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 1152 DAG size of output: 843 [2021-07-10 15:30:03,533 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1015 [2021-07-10 15:30:04,423 WARN L205 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 765 [2021-07-10 15:30:05,483 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 675 DAG size of output: 790 [2021-07-10 15:30:05,775 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 428 [2021-07-10 15:30:06,633 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 391 [2021-07-10 15:30:06,979 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 464 [2021-07-10 15:30:07,217 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 267 [2021-07-10 15:30:07,825 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2021-07-10 15:30:08,000 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2021-07-10 15:30:08,762 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 265 [2021-07-10 15:30:08,940 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 290 [2021-07-10 15:30:09,322 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 384 [2021-07-10 15:30:10,220 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 261 [2021-07-10 15:30:10,722 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 319 [2021-07-10 15:30:11,004 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 344 [2021-07-10 15:30:11,774 WARN L205 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 516 [2021-07-10 15:30:12,739 WARN L205 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 578 [2021-07-10 15:30:13,997 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 819 DAG size of output: 697 [2021-07-10 15:30:15,633 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 1184 DAG size of output: 905 [2021-07-10 15:30:17,734 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 1312 DAG size of output: 996 [2021-07-10 15:30:20,351 WARN L205 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 1416 DAG size of output: 1170 [2021-07-10 15:30:24,754 WARN L205 SmtUtils]: Spent 4.40 s on a formula simplification. DAG size of input: 1833 DAG size of output: 1517 [2021-07-10 15:30:30,617 WARN L205 SmtUtils]: Spent 5.85 s on a formula simplification. DAG size of input: 2174 DAG size of output: 1614 [2021-07-10 15:30:31,006 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 546 [2021-07-10 15:30:31,194 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 391 [2021-07-10 15:30:31,393 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 417 [2021-07-10 15:30:31,715 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 455 [2021-07-10 15:30:33,196 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 216 [2021-07-10 15:30:33,359 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 246 [2021-07-10 15:30:33,599 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 330 [2021-07-10 15:30:33,974 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 656 DAG size of output: 454 [2021-07-10 15:30:34,487 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 836 DAG size of output: 572 [2021-07-10 15:30:34,612 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 304 [2021-07-10 15:30:34,776 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 323 [2021-07-10 15:30:35,963 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 162 [2021-07-10 15:30:36,119 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 220 [2021-07-10 15:30:36,320 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 247 [2021-07-10 15:30:36,601 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 336 [2021-07-10 15:30:36,961 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 404 [2021-07-10 15:30:38,077 WARN L205 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 847 DAG size of output: 578 [2021-07-10 15:30:39,245 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 933 DAG size of output: 641 [2021-07-10 15:30:40,619 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 960 DAG size of output: 668 [2021-07-10 15:30:42,465 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 1138 DAG size of output: 701 [2021-07-10 15:30:42,682 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 487 [2021-07-10 15:30:42,922 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-07-10 15:30:43,083 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-07-10 15:30:43,256 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 362 [2021-07-10 15:30:44,360 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 219 [2021-07-10 15:30:44,540 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 243 [2021-07-10 15:30:44,785 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 341 [2021-07-10 15:30:45,112 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 403 [2021-07-10 15:30:45,564 WARN L205 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 476 [2021-07-10 15:30:45,736 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-07-10 15:30:45,906 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-07-10 15:30:46,979 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 313 [2021-07-10 15:30:47,144 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 333 [2021-07-10 15:30:47,394 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 401 [2021-07-10 15:30:47,777 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 471 [2021-07-10 15:30:48,735 WARN L205 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 837 DAG size of output: 632 [2021-07-10 15:30:50,004 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 1009 DAG size of output: 667 [2021-07-10 15:30:53,151 WARN L205 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 1961 DAG size of output: 1076 [2021-07-10 15:31:02,183 WARN L205 SmtUtils]: Spent 9.02 s on a formula simplification. DAG size of input: 3390 DAG size of output: 2173 [2021-07-10 15:31:12,670 WARN L205 SmtUtils]: Spent 10.14 s on a formula simplification. DAG size of input: 3507 DAG size of output: 2263 [2021-07-10 15:31:24,643 WARN L205 SmtUtils]: Spent 11.96 s on a formula simplification. DAG size of input: 4235 DAG size of output: 2787 [2021-07-10 15:31:36,850 WARN L205 SmtUtils]: Spent 12.19 s on a formula simplification. DAG size of input: 4456 DAG size of output: 2926 [2021-07-10 15:31:49,355 WARN L205 SmtUtils]: Spent 12.49 s on a formula simplification. DAG size of input: 4635 DAG size of output: 3051 [2021-07-10 15:32:03,626 WARN L205 SmtUtils]: Spent 14.25 s on a formula simplification. DAG size of input: 5120 DAG size of output: 3306 [2021-07-10 15:33:02,916 WARN L205 SmtUtils]: Spent 59.25 s on a formula simplification. DAG size of input: 16679 DAG size of output: 11341 [2021-07-10 15:34:08,465 WARN L205 SmtUtils]: Spent 1.09 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 [2021-07-10 15:35:14,523 WARN L205 SmtUtils]: Spent 1.10 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 [2021-07-10 15:36:24,820 WARN L205 SmtUtils]: Spent 1.17 m on a formula simplification. DAG size of input: 16701 DAG size of output: 11364 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown