/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 10:55:08,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 10:55:08,514 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 10:55:08,543 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 10:55:08,589 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2021-07-10 10:55:08,609 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 10:55:08,609 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 10:55:08,609 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 10:55:08,610 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 10:55:08,611 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 10:55:08,611 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 10:55:08,612 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 10:55:08,612 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 10:55:08,612 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 10:55:08,612 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 10:55:08,613 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 10:55:08,613 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 10:55:08,613 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 10:55:08,613 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 10:55:08,613 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 10:55:08,613 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 10:55:08,613 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 10:55:08,613 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 10:55:08,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 10:55:08,614 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 10:55:08,614 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 10:55:08,614 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 10:55:08,614 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 10:55:08,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 10:55:08,626 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 10:55:08,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 10:55:08,627 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 10:55:08,627 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 10:55:08,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 10:55:08,627 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 10:55:08,627 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 10:55:08,627 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 10:55:08,627 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-10 10:55:08,627 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 10:55:08,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 10:55:08,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 10:55:08,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 10:55:08,893 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 10:55:08,894 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 10:55:08,894 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl [2021-07-10 10:55:08,894 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl' [2021-07-10 10:55:08,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 10:55:08,913 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 10:55:08,913 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 10:55:08,913 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 10:55:08,913 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 10:55:08,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 10:55:08" (1/1) ... [2021-07-10 10:55:08,930 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 10:55:08" (1/1) ... [2021-07-10 10:55:08,935 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 10:55:08,937 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 10:55:08,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 10:55:08,937 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 10:55:08,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 10:55:08" (1/1) ... [2021-07-10 10:55:08,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 10:55:08" (1/1) ... [2021-07-10 10:55:08,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 10:55:08" (1/1) ... [2021-07-10 10:55:08,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 10:55:08" (1/1) ... [2021-07-10 10:55:08,945 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 10:55:08" (1/1) ... [2021-07-10 10:55:08,947 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 10:55:08" (1/1) ... [2021-07-10 10:55:08,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 10:55:08" (1/1) ... [2021-07-10 10:55:08,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 10:55:08,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 10:55:08,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 10:55:08,948 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 10:55:08,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 10:55:08" (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 10:55:09,017 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 10:55:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 10:55:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 10:55:09,018 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 10:55:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 10:55:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 10:55:09,018 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 10:55:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 10:55:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 10:55:09,019 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 10:55:09,280 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 10:55:09,280 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-10 10:55:09,281 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-10 10:55:09,281 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-10 10:55:09,282 INFO L202 PluginConnector]: Adding new model unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 10:55:09 BoogieIcfgContainer [2021-07-10 10:55:09,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 10:55:09,283 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 10:55:09,284 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 10:55:09,285 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 10:55:09,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 10:55:08" (1/2) ... [2021-07-10 10:55:09,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1255393 and model type unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 10:55:09, skipping insertion in model container [2021-07-10 10:55:09,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 10:55:09" (2/2) ... [2021-07-10 10:55:09,287 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-3.wvr.bpl [2021-07-10 10:55:09,299 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 10:55:09,299 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 10:55:09,299 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 10:55:09,299 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 10:55:09,335 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-10 10:55:09,350 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 10:55:09,395 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 10:55:09,395 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 10:55:09,395 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 10:55:09,395 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 10:55:09,395 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 10:55:09,395 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 10:55:09,396 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 10:55:09,396 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 10:55:09,456 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 10:55:09,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:55:09,460 INFO L82 PathProgramCache]: Analyzing trace with hash 1893131829, now seen corresponding path program 1 times [2021-07-10 10:55:09,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:55:09,466 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130567713] [2021-07-10 10:55:09,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:55:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:55:09,575 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 10:55:09,575 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:55:09,576 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130567713] [2021-07-10 10:55:09,577 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130567713] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 10:55:09,577 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 10:55:09,577 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-10 10:55:09,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698946206] [2021-07-10 10:55:09,587 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 10:55:09,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:55:09,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 10:55:09,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 10:55:09,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:55:09,601 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:55:09,602 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 10:55:09,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:55:09,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:55:09,623 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 10:55:09,624 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 10:55:09,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:55:09,627 INFO L82 PathProgramCache]: Analyzing trace with hash 1930821543, now seen corresponding path program 1 times [2021-07-10 10:55:09,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:55:09,627 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161058171] [2021-07-10 10:55:09,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:55:09,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:55:09,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:55:09,684 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:55:09,684 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161058171] [2021-07-10 10:55:09,684 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161058171] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:55:09,684 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [416520551] [2021-07-10 10:55:09,684 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 10:55:09,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:55:09,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-10 10:55:09,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 10:55:09,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:55:09,795 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [416520551] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:55:09,795 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 10:55:09,795 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-07-10 10:55:09,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114048012] [2021-07-10 10:55:09,798 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-10 10:55:09,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:55:09,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-10 10:55:09,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-07-10 10:55:09,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:55:09,802 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:55:09,802 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 10:55:09,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:55:09,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:55:09,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:55:09,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:55:10,053 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:55:10,053 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 10:55:10,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:55:10,054 INFO L82 PathProgramCache]: Analyzing trace with hash -251002636, now seen corresponding path program 1 times [2021-07-10 10:55:10,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:55:10,054 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248085582] [2021-07-10 10:55:10,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:55:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:55:10,103 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 10:55:10,103 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:55:10,103 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248085582] [2021-07-10 10:55:10,104 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248085582] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:55:10,104 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1857969559] [2021-07-10 10:55:10,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:55:10,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:55:10,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-10 10:55:10,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 10:55:10,161 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 10:55:10,162 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1857969559] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:55:10,162 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 10:55:10,162 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-07-10 10:55:10,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101249935] [2021-07-10 10:55:10,162 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 10:55:10,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:55:10,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 10:55:10,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 10:55:10,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:55:10,163 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:55:10,163 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 10:55:10,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:55:10,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:55:10,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:55:10,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:55:10,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:55:10,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:55:10,402 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:55:10,402 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 10:55:10,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:55:10,403 INFO L82 PathProgramCache]: Analyzing trace with hash 1609074150, now seen corresponding path program 2 times [2021-07-10 10:55:10,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:55:10,403 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488351531] [2021-07-10 10:55:10,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:55:10,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:55:10,440 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 10:55:10,440 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:55:10,441 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488351531] [2021-07-10 10:55:10,441 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488351531] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:55:10,441 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324544616] [2021-07-10 10:55:10,441 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-07-10 10:55:10,499 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 10:55:10,500 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:55:10,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-10 10:55:10,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 10:55:10,571 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 10:55:10,571 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1324544616] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:55:10,571 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 10:55:10,571 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-07-10 10:55:10,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955780180] [2021-07-10 10:55:10,572 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-10 10:55:10,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:55:10,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-10 10:55:10,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-10 10:55:10,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:55:10,573 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:55:10,573 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 10:55:10,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:55:10,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:55:10,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:55:10,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:55:10,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:55:10,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:55:10,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:55:10,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 10:55:10,809 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:55:10,809 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 10:55:10,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:55:10,810 INFO L82 PathProgramCache]: Analyzing trace with hash -858087628, now seen corresponding path program 3 times [2021-07-10 10:55:10,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:55:10,810 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634283230] [2021-07-10 10:55:10,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:55:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:55:10,837 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:55:10,837 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:55:10,837 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634283230] [2021-07-10 10:55:10,838 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634283230] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:55:10,838 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [340342506] [2021-07-10 10:55:10,838 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:55:10,884 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 10:55:10,884 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 10:55:10,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-10 10:55:10,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 10:55:10,991 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 10:55:10,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-07-10 10:55:11,011 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 10:55:11,012 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 10:55:11,013 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 10:55:11,013 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-07-10 10:55:11,019 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:55:11,019 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [340342506] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:55:11,019 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 10:55:11,019 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 9 [2021-07-10 10:55:11,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511017361] [2021-07-10 10:55:11,019 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-10 10:55:11,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:55:11,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-10 10:55:11,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-07-10 10:55:11,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:55:11,020 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:55:11,020 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 10:55:11,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:55:11,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:55:11,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:55:11,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 10:55:11,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:55:11,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:55:11,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:55:11,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:55:11,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 10:55:11,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 10:55:11,275 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:55:11,275 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 10:55:11,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:55:11,276 INFO L82 PathProgramCache]: Analyzing trace with hash -30691418, now seen corresponding path program 4 times [2021-07-10 10:55:11,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:55:11,276 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496348263] [2021-07-10 10:55:11,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:55:11,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:55:11,315 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:55:11,315 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:55:11,316 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496348263] [2021-07-10 10:55:11,316 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496348263] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:55:11,316 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [825536193] [2021-07-10 10:55:11,316 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:55:11,339 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 10:55:11,340 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 10:55:11,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-10 10:55:11,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 10:55:11,403 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:55:11,403 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [825536193] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:55:11,403 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 10:55:11,404 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-07-10 10:55:11,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17811426] [2021-07-10 10:55:11,404 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-10 10:55:11,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:55:11,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-10 10:55:11,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-07-10 10:55:11,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:55:11,405 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:55:11,405 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 10:55:11,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:55:11,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:55:11,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:55:11,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 10:55:11,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 10:55:11,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:55:11,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:55:11,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:55:11,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:55:11,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 10:55:11,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 10:55:11,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 10:55:11,687 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:55:11,688 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 10:55:11,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:55:11,688 INFO L82 PathProgramCache]: Analyzing trace with hash -928362283, now seen corresponding path program 5 times [2021-07-10 10:55:11,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:55:11,688 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226567745] [2021-07-10 10:55:11,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:55:11,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:55:11,735 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 10:55:11,736 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:55:11,736 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226567745] [2021-07-10 10:55:11,736 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226567745] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:55:11,736 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1279606872] [2021-07-10 10:55:11,736 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:55:11,780 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-10 10:55:11,781 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 10:55:11,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-10 10:55:11,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 10:55:11,841 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 10:55:11,841 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1279606872] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:55:11,841 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 10:55:11,841 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-07-10 10:55:11,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563785863] [2021-07-10 10:55:11,842 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-10 10:55:11,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:55:11,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-10 10:55:11,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-07-10 10:55:11,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:55:11,843 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:55:11,843 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 10:55:11,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:55:11,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:55:11,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:55:11,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 10:55:11,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 10:55:11,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 10:55:11,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:55:11,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:55:11,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:55:11,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:55:11,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 10:55:11,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 10:55:11,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 10:55:11,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:55:12,156 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:55:12,157 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 10:55:12,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:55:12,158 INFO L82 PathProgramCache]: Analyzing trace with hash 74628437, now seen corresponding path program 6 times [2021-07-10 10:55:12,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:55:12,158 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997280176] [2021-07-10 10:55:12,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:55:12,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:55:12,246 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:55:12,246 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:55:12,246 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997280176] [2021-07-10 10:55:12,246 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997280176] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:55:12,246 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [145010345] [2021-07-10 10:55:12,246 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:55:12,275 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-10 10:55:12,276 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 10:55:12,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-10 10:55:12,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 10:55:12,351 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 10:55:12,352 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [145010345] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:55:12,352 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 10:55:12,352 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 16 [2021-07-10 10:55:12,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333438823] [2021-07-10 10:55:12,352 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-10 10:55:12,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:55:12,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-10 10:55:12,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2021-07-10 10:55:12,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:55:12,353 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:55:12,353 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.7058823529411764) internal successors, (29), 16 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 10:55:12,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:55:12,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:55:12,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:55:12,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 10:55:12,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 10:55:12,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 10:55:12,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:55:12,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:55:12,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:55:12,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:55:12,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:55:12,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 10:55:12,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 10:55:12,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 10:55:12,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:55:12,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 10:55:12,729 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-07-10 10:55:12,729 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 10:55:12,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:55:12,729 INFO L82 PathProgramCache]: Analyzing trace with hash -1958414074, now seen corresponding path program 7 times [2021-07-10 10:55:12,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:55:12,730 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651752039] [2021-07-10 10:55:12,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:55:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:55:12,803 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-10 10:55:12,803 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:55:12,803 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651752039] [2021-07-10 10:55:12,803 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651752039] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:55:12,803 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1490282520] [2021-07-10 10:55:12,804 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:55:12,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:55:12,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-10 10:55:12,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 10:55:12,920 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 10:55:12,920 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1490282520] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:55:12,920 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 10:55:12,920 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2021-07-10 10:55:12,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892576316] [2021-07-10 10:55:12,921 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-10 10:55:12,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:55:12,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-10 10:55:12,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2021-07-10 10:55:12,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:55:12,921 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:55:12,921 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5625) internal successors, (25), 15 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 10:55:12,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:55:12,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:55:12,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:55:12,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 10:55:12,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 10:55:12,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 10:55:12,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:55:12,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 10:55:12,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:55:13,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:55:13,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:55:13,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:55:13,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 10:55:13,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 10:55:13,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 10:55:13,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:55:13,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 10:55:13,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 10:55:13,312 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:55:13,313 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 10:55:13,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:55:13,313 INFO L82 PathProgramCache]: Analyzing trace with hash -1041767340, now seen corresponding path program 8 times [2021-07-10 10:55:13,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:55:13,313 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292154825] [2021-07-10 10:55:13,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:55:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:55:13,384 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:55:13,384 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:55:13,384 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292154825] [2021-07-10 10:55:13,384 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292154825] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:55:13,384 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [601811942] [2021-07-10 10:55:13,384 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:55:13,422 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 10:55:13,422 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 10:55:13,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-10 10:55:13,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 10:55:13,793 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-07-10 10:55:13,794 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 10:55:13,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 43 treesize of output 319 [2021-07-10 10:55:14,991 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 288 [2021-07-10 10:55:15,141 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 273 [2021-07-10 10:55:15,266 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 273 [2021-07-10 10:55:15,412 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 286 [2021-07-10 10:55:15,706 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 346 [2021-07-10 10:55:15,918 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 325 [2021-07-10 10:55:17,876 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 315 [2021-07-10 10:55:18,215 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 376 [2021-07-10 10:55:18,490 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 557 DAG size of output: 424 [2021-07-10 10:55:19,638 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 227 [2021-07-10 10:55:19,811 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 277 [2021-07-10 10:55:20,060 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 303 [2021-07-10 10:55:20,609 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 848 DAG size of output: 621 [2021-07-10 10:55:21,296 WARN L205 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 859 DAG size of output: 631 [2021-07-10 10:55:22,107 WARN L205 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 958 DAG size of output: 706 [2021-07-10 10:55:23,332 WARN L205 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 1019 DAG size of output: 750 [2021-07-10 10:55:24,394 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1106 DAG size of output: 776 [2021-07-10 10:55:25,452 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 1106 DAG size of output: 776 [2021-07-10 10:55:26,573 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 1112 DAG size of output: 782 [2021-07-10 10:55:27,951 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 784 DAG size of output: 960 [2021-07-10 10:55:28,980 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 737 DAG size of output: 805 [2021-07-10 10:55:30,373 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 282 [2021-07-10 10:55:30,542 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 335 [2021-07-10 10:55:30,784 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 348 [2021-07-10 10:55:31,263 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 726 DAG size of output: 355 [2021-07-10 10:55:31,999 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 441 [2021-07-10 10:55:32,578 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 971 DAG size of output: 480 [2021-07-10 10:55:33,072 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 1114 DAG size of output: 529 [2021-07-10 10:55:33,741 WARN L205 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 1320 DAG size of output: 647 [2021-07-10 10:55:34,407 WARN L205 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 1320 DAG size of output: 647 [2021-07-10 10:55:35,135 WARN L205 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 1324 DAG size of output: 652 [2021-07-10 10:55:35,843 WARN L205 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 675 [2021-07-10 10:55:36,349 WARN L205 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 615 DAG size of output: 517 [2021-07-10 10:55:37,112 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 10:55:37,114 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 10:55:37,114 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 10:55:37,114 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-07-10 10:55:37,119 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:55:37,119 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [601811942] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:55:37,120 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 10:55:37,120 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14] total 23 [2021-07-10 10:55:37,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64301698] [2021-07-10 10:55:37,120 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-10 10:55:37,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:55:37,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-10 10:55:37,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=495, Unknown=0, NotChecked=0, Total=552 [2021-07-10 10:55:37,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:55:37,121 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:55:37,121 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.5416666666666667) internal successors, (37), 23 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 10:55:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:55:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:55:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:55:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 10:55:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 10:55:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 10:55:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:55:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 10:55:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 10:55:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:55:37,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:55:37,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:55:37,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:55:37,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 10:55:37,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 10:55:37,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 10:55:37,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:55:37,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 10:55:37,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 10:55:37,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 10:55:37,485 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:55:37,485 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 10:55:37,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:55:37,486 INFO L82 PathProgramCache]: Analyzing trace with hash -1840489338, now seen corresponding path program 9 times [2021-07-10 10:55:37,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:55:37,486 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612973523] [2021-07-10 10:55:37,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:55:37,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:55:37,625 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 55 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:55:37,625 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:55:37,625 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612973523] [2021-07-10 10:55:37,625 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612973523] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:55:37,625 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1142840950] [2021-07-10 10:55:37,625 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:55:37,654 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-10 10:55:37,654 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 10:55:37,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 10:55:37,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 10:55:37,728 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 66 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:55:37,729 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1142840950] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:55:37,729 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 10:55:37,729 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 18 [2021-07-10 10:55:37,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707525217] [2021-07-10 10:55:37,729 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-10 10:55:37,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:55:37,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-10 10:55:37,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2021-07-10 10:55:37,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:55:37,730 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:55:37,730 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 18 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 10:55:37,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:55:37,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:55:37,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:55:37,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 10:55:37,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 10:55:37,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 10:55:37,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:55:37,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 10:55:37,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 10:55:37,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 10:55:37,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:55:37,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 10:55:37,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:55:37,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:55:37,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 10:55:37,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 10:55:37,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 10:55:37,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:55:37,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 10:55:37,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 10:55:37,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 10:55:37,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 10:55:38,186 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1524 [2021-07-10 10:55:38,186 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 10:55:38,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:55:38,186 INFO L82 PathProgramCache]: Analyzing trace with hash -1197522955, now seen corresponding path program 10 times [2021-07-10 10:55:38,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:55:38,186 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525543010] [2021-07-10 10:55:38,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:55:38,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:55:38,296 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:55:38,297 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:55:38,297 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525543010] [2021-07-10 10:55:38,297 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525543010] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:55:38,297 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [961256230] [2021-07-10 10:55:38,297 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:55:38,329 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 10:55:38,329 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 10:55:38,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 39 conjunts are in the unsatisfiable core [2021-07-10 10:55:38,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 10:55:38,995 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-07-10 10:55:38,996 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 10:55:38,996 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 10:55:39,787 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 380 [2021-07-10 10:55:39,939 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 383 [2021-07-10 10:55:41,164 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 513 [2021-07-10 10:55:41,422 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 516 [2021-07-10 10:55:41,878 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 757 [2021-07-10 10:55:42,419 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 938 DAG size of output: 782 [2021-07-10 10:55:43,242 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 397 [2021-07-10 10:55:43,424 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 432 [2021-07-10 10:55:43,646 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 439 [2021-07-10 10:55:44,324 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 387 [2021-07-10 10:55:44,979 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 392 [2021-07-10 10:55:45,259 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 687 [2021-07-10 10:55:45,611 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 720 [2021-07-10 10:55:46,043 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 760 DAG size of output: 727 [2021-07-10 10:55:46,778 WARN L205 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 1118 DAG size of output: 985 [2021-07-10 10:55:47,646 WARN L205 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 1140 DAG size of output: 1008 [2021-07-10 10:55:49,163 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1924 DAG size of output: 1536 [2021-07-10 10:55:50,198 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 483 [2021-07-10 10:55:50,407 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 486 [2021-07-10 10:55:51,051 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 344 [2021-07-10 10:55:51,178 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 347 [2021-07-10 10:55:51,561 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 711 [2021-07-10 10:55:52,032 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 737 [2021-07-10 10:55:52,760 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 367 [2021-07-10 10:55:52,908 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 402 [2021-07-10 10:55:53,098 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 408 [2021-07-10 10:55:54,197 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 363 [2021-07-10 10:55:54,431 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 657 [2021-07-10 10:55:54,736 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 690 [2021-07-10 10:55:55,111 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 696 [2021-07-10 10:55:55,746 WARN L205 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 1082 DAG size of output: 940 [2021-07-10 10:55:56,491 WARN L205 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 964 [2021-07-10 10:55:57,834 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1466 [2021-07-10 10:56:01,160 WARN L205 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 3619 DAG size of output: 2834 [2021-07-10 10:56:05,001 WARN L205 SmtUtils]: Spent 3.83 s on a formula simplification. DAG size of input: 3664 DAG size of output: 2879 [2021-07-10 10:56:09,395 WARN L205 SmtUtils]: Spent 4.38 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-07-10 10:56:13,778 WARN L205 SmtUtils]: Spent 4.37 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-07-10 10:56:18,919 WARN L205 SmtUtils]: Spent 5.13 s on a formula simplification. DAG size of input: 3707 DAG size of output: 2922 [2021-07-10 10:56:23,683 WARN L205 SmtUtils]: Spent 4.75 s on a formula simplification. DAG size of input: 2924 DAG size of output: 2915 [2021-07-10 10:56:28,852 WARN L205 SmtUtils]: Spent 5.15 s on a formula simplification. DAG size of input: 2912 DAG size of output: 3217 [2021-07-10 10:56:36,915 WARN L205 SmtUtils]: Spent 8.05 s on a formula simplification. DAG size of input: 2696 DAG size of output: 3553 [2021-07-10 10:56:37,083 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 2516 [2021-07-10 10:56:38,157 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 278 [2021-07-10 10:56:40,054 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 2495 DAG size of output: 2494 [2021-07-10 10:56:46,601 WARN L205 SmtUtils]: Spent 6.53 s on a formula simplification. DAG size of input: 2493 DAG size of output: 3700 [2021-07-10 10:56:46,907 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 2169 DAG size of output: 2169 [2021-07-10 10:56:47,192 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 2126 DAG size of output: 2126 [2021-07-10 10:56:48,168 WARN L205 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 977 [2021-07-10 10:56:48,444 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 339 [2021-07-10 10:56:49,885 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 257 [2021-07-10 10:56:50,105 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 340 [2021-07-10 10:56:50,410 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 396 [2021-07-10 10:56:50,886 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 592 [2021-07-10 10:56:51,841 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 243 [2021-07-10 10:56:52,188 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 265 [2021-07-10 10:56:52,496 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 425 [2021-07-10 10:56:52,969 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 623 [2021-07-10 10:56:54,059 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 1090 DAG size of output: 844 [2021-07-10 10:56:55,342 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 322 [2021-07-10 10:56:55,634 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 350 [2021-07-10 10:56:56,558 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 285 [2021-07-10 10:56:56,796 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 391 [2021-07-10 10:56:57,111 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 449 [2021-07-10 10:56:57,999 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 238 [2021-07-10 10:56:58,203 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 360 [2021-07-10 10:56:58,468 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 396 [2021-07-10 10:56:58,802 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 455 [2021-07-10 10:56:59,526 WARN L205 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 659 [2021-07-10 10:57:00,482 WARN L205 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 827 DAG size of output: 710 [2021-07-10 10:57:01,348 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 245 [2021-07-10 10:57:01,521 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 305 [2021-07-10 10:57:01,757 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 409 [2021-07-10 10:57:02,066 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 472 [2021-07-10 10:57:03,081 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 221 [2021-07-10 10:57:03,232 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 275 [2021-07-10 10:57:03,453 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 374 [2021-07-10 10:57:03,733 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 411 [2021-07-10 10:57:04,091 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 475 [2021-07-10 10:57:04,826 WARN L205 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 714 [2021-07-10 10:57:06,691 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 1682 DAG size of output: 1237 [2021-07-10 10:57:09,725 WARN L205 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 2518 DAG size of output: 1697 [2021-07-10 10:57:13,196 WARN L205 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 2537 DAG size of output: 1736 [2021-07-10 10:57:17,654 WARN L205 SmtUtils]: Spent 4.45 s on a formula simplification. DAG size of input: 2890 DAG size of output: 1831 [2021-07-10 10:57:18,769 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 700 DAG size of output: 1050 [2021-07-10 10:57:19,152 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 660 [2021-07-10 10:57:19,743 WARN L205 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 647 DAG size of output: 823 [2021-07-10 10:57:20,529 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 219 [2021-07-10 10:57:20,766 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 257 [2021-07-10 10:57:20,975 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 285 [2021-07-10 10:57:21,243 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 348 [2021-07-10 10:57:21,636 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 513 [2021-07-10 10:57:21,826 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 429 [2021-07-10 10:57:22,800 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 283 [2021-07-10 10:57:22,996 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 309 [2021-07-10 10:57:23,900 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 270 [2021-07-10 10:57:24,060 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 296 [2021-07-10 10:57:24,444 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 492 [2021-07-10 10:57:24,977 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 624 [2021-07-10 10:57:25,738 WARN L205 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 814 [2021-07-10 10:57:26,956 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 1338 DAG size of output: 1058 [2021-07-10 10:57:28,649 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 1723 DAG size of output: 1396 [2021-07-10 10:57:29,324 WARN L205 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 828 [2021-07-10 10:57:29,930 WARN L205 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 766 [2021-07-10 10:57:30,310 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 639 [2021-07-10 10:57:30,423 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 332 [2021-07-10 10:57:32,114 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 248 [2021-07-10 10:57:32,270 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 212 [2021-07-10 10:57:32,580 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 388 [2021-07-10 10:57:33,218 WARN L205 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 707 [2021-07-10 10:57:34,167 WARN L205 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 1357 DAG size of output: 863 [2021-07-10 10:57:35,558 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 1729 DAG size of output: 1197 [2021-07-10 10:57:39,001 WARN L205 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 2363 DAG size of output: 1672 [2021-07-10 10:57:42,953 WARN L205 SmtUtils]: Spent 3.94 s on a formula simplification. DAG size of input: 2424 DAG size of output: 1716 [2021-07-10 10:57:48,544 WARN L205 SmtUtils]: Spent 5.58 s on a formula simplification. DAG size of input: 2831 DAG size of output: 1844 [2021-07-10 10:57:59,682 WARN L205 SmtUtils]: Spent 11.13 s on a formula simplification. DAG size of input: 5382 DAG size of output: 3237 [2021-07-10 10:58:00,946 WARN L205 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 707 DAG size of output: 1000 [2021-07-10 10:58:01,524 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 712 [2021-07-10 10:58:02,315 WARN L205 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 877 [2021-07-10 10:58:02,814 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 729 [2021-07-10 10:58:03,640 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 262 [2021-07-10 10:58:03,865 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 300 [2021-07-10 10:58:04,083 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 374 [2021-07-10 10:58:04,972 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 229 [2021-07-10 10:58:05,817 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 344 [2021-07-10 10:58:06,722 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 334 [2021-07-10 10:58:07,823 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 369 [2021-07-10 10:58:08,256 WARN L205 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 560 [2021-07-10 10:58:09,058 WARN L205 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 902 DAG size of output: 726 [2021-07-10 10:58:10,037 WARN L205 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 962 DAG size of output: 768 [2021-07-10 10:58:11,257 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 1071 DAG size of output: 879 [2021-07-10 10:58:12,571 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1304 DAG size of output: 904 [2021-07-10 10:58:14,490 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 1744 DAG size of output: 1304 [2021-07-10 10:58:17,091 WARN L205 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 2015 DAG size of output: 1655 [2021-07-10 10:58:17,919 WARN L205 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 879 [2021-07-10 10:58:18,287 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 490 [2021-07-10 10:58:18,586 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 491 [2021-07-10 10:58:19,785 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 260 [2021-07-10 10:58:20,684 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 289 [2021-07-10 10:58:20,962 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 317 [2021-07-10 10:58:21,355 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 433 [2021-07-10 10:58:22,086 WARN L205 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 821 DAG size of output: 666 [2021-07-10 10:58:23,154 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 945 DAG size of output: 803 [2021-07-10 10:58:23,336 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 354 [2021-07-10 10:58:24,035 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 338 [2021-07-10 10:58:24,220 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 377 [2021-07-10 10:58:24,499 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 443 [2021-07-10 10:58:25,786 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1314 DAG size of output: 1007 [2021-07-10 10:58:27,663 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 1586 DAG size of output: 1355 [2021-07-10 10:58:32,560 WARN L205 SmtUtils]: Spent 4.89 s on a formula simplification. DAG size of input: 2617 DAG size of output: 2064 [2021-07-10 10:58:39,315 WARN L205 SmtUtils]: Spent 6.74 s on a formula simplification. DAG size of input: 2989 DAG size of output: 2220 [2021-07-10 10:58:46,872 WARN L205 SmtUtils]: Spent 7.55 s on a formula simplification. DAG size of input: 3049 DAG size of output: 2305 [2021-07-10 10:58:47,551 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 573 [2021-07-10 10:58:48,247 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 296 [2021-07-10 10:58:48,422 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 358 [2021-07-10 10:58:49,129 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 451 [2021-07-10 10:58:50,068 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 215 [2021-07-10 10:58:50,223 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 254 [2021-07-10 10:58:50,452 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 348 [2021-07-10 10:58:50,759 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 399 [2021-07-10 10:58:51,132 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 425 [2021-07-10 10:58:51,592 WARN L205 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 485 [2021-07-10 10:58:52,141 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 521 [2021-07-10 10:58:53,432 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 328 [2021-07-10 10:58:53,694 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 369 [2021-07-10 10:58:54,025 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 394 [2021-07-10 10:58:54,487 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 433 [2021-07-10 10:58:55,015 WARN L205 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 517 [2021-07-10 10:58:55,666 WARN L205 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 580 [2021-07-10 10:58:56,998 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 978 DAG size of output: 863 [2021-07-10 10:58:57,883 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 202 [2021-07-10 10:58:58,042 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 256 [2021-07-10 10:58:58,299 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 384 [2021-07-10 10:58:58,631 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 442 [2021-07-10 10:58:58,821 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 292 [2021-07-10 10:58:59,462 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 328 [2021-07-10 10:58:59,688 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 391 [2021-07-10 10:58:59,985 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 450 [2021-07-10 10:59:00,687 WARN L205 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 639 [2021-07-10 10:59:01,770 WARN L205 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 800 DAG size of output: 715 [2021-07-10 10:59:04,258 WARN L205 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 1872 DAG size of output: 1482 [2021-07-10 10:59:07,523 WARN L205 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 2070 DAG size of output: 1568 [2021-07-10 10:59:07,665 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 361 [2021-07-10 10:59:08,277 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 344 [2021-07-10 10:59:08,467 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 367 [2021-07-10 10:59:09,073 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 246 [2021-07-10 10:59:09,420 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 486 [2021-07-10 10:59:10,437 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 243 [2021-07-10 10:59:10,586 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 266 [2021-07-10 10:59:10,793 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 324 [2021-07-10 10:59:11,090 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 457 [2021-07-10 10:59:11,504 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 599 [2021-07-10 10:59:12,366 WARN L205 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 817 [2021-07-10 10:59:13,565 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 1006 DAG size of output: 867 [2021-07-10 10:59:14,631 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 318 [2021-07-10 10:59:14,807 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 388 [2021-07-10 10:59:15,043 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 406 [2021-07-10 10:59:15,325 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 422 [2021-07-10 10:59:15,695 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 470 [2021-07-10 10:59:17,458 WARN L205 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 1433 DAG size of output: 1082 [2021-07-10 10:59:22,654 WARN L205 SmtUtils]: Spent 5.19 s on a formula simplification. DAG size of input: 2994 DAG size of output: 2129 [2021-07-10 10:59:28,545 WARN L205 SmtUtils]: Spent 5.88 s on a formula simplification. DAG size of input: 3038 DAG size of output: 2179 [2021-07-10 10:59:43,134 WARN L205 SmtUtils]: Spent 14.57 s on a formula simplification. DAG size of input: 5719 DAG size of output: 3928 [2021-07-10 11:00:11,505 WARN L205 SmtUtils]: Spent 28.35 s on a formula simplification. DAG size of input: 8989 DAG size of output: 5710 [2021-07-10 11:00:12,535 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 329 [2021-07-10 11:00:12,729 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 340 [2021-07-10 11:00:45,188 WARN L205 SmtUtils]: Spent 32.44 s on a formula simplification. DAG size of input: 9287 DAG size of output: 5929 [2021-07-10 11:01:23,652 WARN L205 SmtUtils]: Spent 38.42 s on a formula simplification. DAG size of input: 10982 DAG size of output: 7649 [2021-07-10 11:01:24,651 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 285 [2021-07-10 11:01:24,773 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 295 [2021-07-10 11:01:24,983 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 410 [2021-07-10 11:01:25,225 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 416 [2021-07-10 11:02:04,380 WARN L205 SmtUtils]: Spent 39.13 s on a formula simplification. DAG size of input: 11394 DAG size of output: 7943 [2021-07-10 11:02:44,084 WARN L205 SmtUtils]: Spent 39.65 s on a formula simplification. DAG size of input: 11649 DAG size of output: 8097 [2021-07-10 11:03:31,020 WARN L205 SmtUtils]: Spent 46.88 s on a formula simplification. DAG size of input: 12976 DAG size of output: 9218 [2021-07-10 11:03:34,634 WARN L205 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1636 [2021-07-10 11:03:34,796 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 1238 [2021-07-10 11:03:36,276 WARN L205 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 1217 DAG size of output: 1216 [2021-07-10 11:03:39,894 WARN L205 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 1215 DAG size of output: 1779 [2021-07-10 11:03:40,051 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 1093 DAG size of output: 1093 [2021-07-10 11:03:40,197 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 1052 DAG size of output: 1052 [2021-07-10 11:03:41,343 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 686 DAG size of output: 991 [2021-07-10 11:03:42,085 WARN L205 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 739 [2021-07-10 11:03:43,060 WARN L205 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 766 [2021-07-10 11:03:43,863 WARN L205 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 791 [2021-07-10 11:03:44,220 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 441 [2021-07-10 11:03:44,943 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2021-07-10 11:03:45,120 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 291 [2021-07-10 11:03:45,520 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 348 [2021-07-10 11:03:45,880 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 453 [2021-07-10 11:03:46,321 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 477 [2021-07-10 11:03:47,916 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 417 [2021-07-10 11:03:48,234 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 435 [2021-07-10 11:03:49,052 WARN L205 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 758 [2021-07-10 11:03:50,134 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 1152 DAG size of output: 843 [2021-07-10 11:03:51,594 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1015 [2021-07-10 11:03:52,524 WARN L205 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 765 [2021-07-10 11:03:53,643 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 675 DAG size of output: 790 [2021-07-10 11:03:53,947 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 428 [2021-07-10 11:03:54,636 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 281 [2021-07-10 11:03:54,862 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 391 [2021-07-10 11:03:55,221 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 464 [2021-07-10 11:03:55,344 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 266 [2021-07-10 11:03:55,477 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 267 [2021-07-10 11:03:56,115 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2021-07-10 11:03:56,302 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2021-07-10 11:03:57,125 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 265 [2021-07-10 11:03:57,316 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 290 [2021-07-10 11:03:57,729 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 384 [2021-07-10 11:03:58,674 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 261 [2021-07-10 11:03:59,209 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 319 [2021-07-10 11:03:59,497 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 344 [2021-07-10 11:04:00,316 WARN L205 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 516 [2021-07-10 11:04:01,343 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 592 DAG size of output: 578 [2021-07-10 11:04:02,668 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 819 DAG size of output: 697 [2021-07-10 11:04:04,423 WARN L205 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 1184 DAG size of output: 905 [2021-07-10 11:04:06,679 WARN L205 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 1312 DAG size of output: 996 [2021-07-10 11:04:09,486 WARN L205 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 1416 DAG size of output: 1170 [2021-07-10 11:04:14,161 WARN L205 SmtUtils]: Spent 4.67 s on a formula simplification. DAG size of input: 1833 DAG size of output: 1517 [2021-07-10 11:04:20,453 WARN L205 SmtUtils]: Spent 6.28 s on a formula simplification. DAG size of input: 2174 DAG size of output: 1614 [2021-07-10 11:04:20,865 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 546 [2021-07-10 11:04:21,072 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 391 [2021-07-10 11:04:21,281 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 417 [2021-07-10 11:04:21,631 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 455 [2021-07-10 11:04:23,100 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 192 [2021-07-10 11:04:23,241 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 216 [2021-07-10 11:04:23,418 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 246 [2021-07-10 11:04:23,678 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 330 [2021-07-10 11:04:24,070 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 656 DAG size of output: 454 [2021-07-10 11:04:24,619 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 836 DAG size of output: 572 [2021-07-10 11:04:24,745 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 304 [2021-07-10 11:04:24,915 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 323 [2021-07-10 11:04:25,020 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 263 [2021-07-10 11:04:26,183 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 162 [2021-07-10 11:04:26,349 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 220 [2021-07-10 11:04:26,556 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 247 [2021-07-10 11:04:26,855 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 336 [2021-07-10 11:04:27,235 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 404 [2021-07-10 11:04:27,829 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 290 [2021-07-10 11:04:28,433 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 847 DAG size of output: 578 [2021-07-10 11:04:29,699 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 933 DAG size of output: 641 [2021-07-10 11:04:31,177 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 960 DAG size of output: 668 [2021-07-10 11:04:33,156 WARN L205 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 1138 DAG size of output: 701 [2021-07-10 11:04:33,398 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 487 [2021-07-10 11:04:33,666 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-07-10 11:04:33,839 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-07-10 11:04:34,028 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 362 [2021-07-10 11:04:35,188 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 219 [2021-07-10 11:04:35,386 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 243 [2021-07-10 11:04:35,648 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 341 [2021-07-10 11:04:35,992 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 403 [2021-07-10 11:04:36,478 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 476 [2021-07-10 11:04:36,668 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-07-10 11:04:36,851 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-07-10 11:04:37,983 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 313 [2021-07-10 11:04:38,163 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 333 [2021-07-10 11:04:38,443 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 401 [2021-07-10 11:04:38,842 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 471 [2021-07-10 11:04:39,848 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 837 DAG size of output: 632 [2021-07-10 11:04:41,183 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1009 DAG size of output: 667 [2021-07-10 11:04:44,535 WARN L205 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 1961 DAG size of output: 1076 [2021-07-10 11:04:54,262 WARN L205 SmtUtils]: Spent 9.72 s on a formula simplification. DAG size of input: 3390 DAG size of output: 2173 [2021-07-10 11:05:05,673 WARN L205 SmtUtils]: Spent 11.03 s on a formula simplification. DAG size of input: 3507 DAG size of output: 2263 [2021-07-10 11:05:18,725 WARN L205 SmtUtils]: Spent 13.03 s on a formula simplification. DAG size of input: 4235 DAG size of output: 2787 [2021-07-10 11:05:32,083 WARN L205 SmtUtils]: Spent 13.34 s on a formula simplification. DAG size of input: 4456 DAG size of output: 2926 [2021-07-10 11:05:45,600 WARN L205 SmtUtils]: Spent 13.49 s on a formula simplification. DAG size of input: 4635 DAG size of output: 3051 [2021-07-10 11:06:00,997 WARN L205 SmtUtils]: Spent 15.38 s on a formula simplification. DAG size of input: 5120 DAG size of output: 3306 [2021-07-10 11:07:04,906 WARN L205 SmtUtils]: Spent 1.06 m on a formula simplification. DAG size of input: 16679 DAG size of output: 11341 [2021-07-10 11:08:14,702 WARN L205 SmtUtils]: Spent 1.16 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 [2021-07-10 11:09:24,671 WARN L205 SmtUtils]: Spent 1.16 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown