/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 03:28:35,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 03:28:35,233 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 03:28:35,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 03:28:35,275 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf [2021-07-14 03:28:35,290 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 03:28:35,290 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 03:28:35,290 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 03:28:35,290 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 03:28:35,291 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 03:28:35,291 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 03:28:35,291 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 03:28:35,292 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 03:28:35,292 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 03:28:35,292 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 03:28:35,292 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 03:28:35,292 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 03:28:35,292 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 03:28:35,292 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 03:28:35,292 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 03:28:35,292 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 03:28:35,292 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 03:28:35,292 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 03:28:35,292 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 03:28:35,293 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 03:28:35,293 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 03:28:35,293 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 03:28:35,293 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 03:28:35,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 03:28:35,293 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 03:28:35,293 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 03:28:35,293 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 03:28:35,293 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 03:28:35,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 03:28:35,293 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 03:28:35,294 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 03:28:35,294 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 03:28:35,294 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-14 03:28:35,294 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 03:28:35,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 03:28:35,588 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 03:28:35,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 03:28:35,591 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 03:28:35,592 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 03:28:35,592 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl [2021-07-14 03:28:35,593 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl' [2021-07-14 03:28:35,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 03:28:35,614 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 03:28:35,615 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 03:28:35,615 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 03:28:35,615 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 03:28:35,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:28:35" (1/1) ... [2021-07-14 03:28:35,630 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:28:35" (1/1) ... [2021-07-14 03:28:35,635 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 03:28:35,637 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 03:28:35,637 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 03:28:35,637 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 03:28:35,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:28:35" (1/1) ... [2021-07-14 03:28:35,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:28:35" (1/1) ... [2021-07-14 03:28:35,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:28:35" (1/1) ... [2021-07-14 03:28:35,645 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:28:35" (1/1) ... [2021-07-14 03:28:35,648 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:28:35" (1/1) ... [2021-07-14 03:28:35,653 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:28:35" (1/1) ... [2021-07-14 03:28:35,654 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:28:35" (1/1) ... [2021-07-14 03:28:35,655 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 03:28:35,658 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 03:28:35,658 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 03:28:35,658 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 03:28:35,659 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:28:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 03:28:35,712 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 03:28:35,712 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 03:28:35,712 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 03:28:35,712 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 03:28:35,712 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 03:28:35,712 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 03:28:35,712 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 03:28:35,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 03:28:35,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 03:28:35,713 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 03:28:35,947 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 03:28:35,947 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-14 03:28:35,948 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-14 03:28:35,948 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-14 03:28:35,949 INFO L202 PluginConnector]: Adding new model unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:28:35 BoogieIcfgContainer [2021-07-14 03:28:35,950 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 03:28:35,951 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 03:28:35,951 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 03:28:35,953 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 03:28:35,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:28:35" (1/2) ... [2021-07-14 03:28:35,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d59c04d and model type unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:28:35, skipping insertion in model container [2021-07-14 03:28:35,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:28:35" (2/2) ... [2021-07-14 03:28:35,968 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-4.wvr.bpl [2021-07-14 03:28:35,971 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 03:28:35,972 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 03:28:35,972 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 03:28:35,972 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 03:28:36,006 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 03:28:36,020 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 03:28:36,105 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 03:28:36,105 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 03:28:36,105 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 03:28:36,105 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 03:28:36,105 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 03:28:36,105 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 03:28:36,105 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 03:28:36,106 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 03:28:36,125 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:28:36,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:28:36,129 INFO L82 PathProgramCache]: Analyzing trace with hash 327878231, now seen corresponding path program 1 times [2021-07-14 03:28:36,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:28:36,134 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119945498] [2021-07-14 03:28:36,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:28:36,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:28:36,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:28:36,231 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:28:36,232 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119945498] [2021-07-14 03:28:36,233 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119945498] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 03:28:36,233 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 03:28:36,233 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 03:28:36,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753521320] [2021-07-14 03:28:36,236 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 03:28:36,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:28:36,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 03:28:36,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 03:28:36,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:36,253 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:28:36,262 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:28:36,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:36,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:36,286 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 03:28:36,287 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:28:36,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:28:36,289 INFO L82 PathProgramCache]: Analyzing trace with hash 652599305, now seen corresponding path program 1 times [2021-07-14 03:28:36,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:28:36,290 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948790055] [2021-07-14 03:28:36,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:28:36,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:28:36,348 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:28:36,348 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:28:36,349 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948790055] [2021-07-14 03:28:36,349 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948790055] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:36,349 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [322059267] [2021-07-14 03:28:36,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:28:36,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:28:36,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-14 03:28:36,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:28:36,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:28:36,559 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [322059267] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:36,560 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:28:36,560 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-07-14 03:28:36,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724365289] [2021-07-14 03:28:36,561 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 03:28:36,561 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:28:36,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 03:28:36,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-07-14 03:28:36,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:36,563 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:28:36,563 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:28:36,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:36,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:36,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:36,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:36,814 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:28:36,814 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:28:36,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:28:36,815 INFO L82 PathProgramCache]: Analyzing trace with hash -1221187306, now seen corresponding path program 1 times [2021-07-14 03:28:36,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:28:36,817 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997913964] [2021-07-14 03:28:36,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:28:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:28:36,859 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 03:28:36,859 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:28:36,859 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997913964] [2021-07-14 03:28:36,859 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997913964] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:36,859 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584450865] [2021-07-14 03:28:36,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:28:36,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:28:36,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-14 03:28:36,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:28:36,978 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 03:28:36,978 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1584450865] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:36,978 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:28:36,978 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-07-14 03:28:36,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751457553] [2021-07-14 03:28:36,979 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 03:28:36,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:28:36,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 03:28:36,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 03:28:36,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:36,981 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:28:36,981 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:28:36,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:36,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:36,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:37,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:37,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:37,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:37,208 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:28:37,209 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:28:37,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:28:37,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1598119496, now seen corresponding path program 2 times [2021-07-14 03:28:37,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:28:37,210 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45607720] [2021-07-14 03:28:37,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:28:37,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:28:37,270 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 03:28:37,270 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:28:37,273 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45607720] [2021-07-14 03:28:37,273 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45607720] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:37,273 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547526071] [2021-07-14 03:28:37,273 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:28:37,299 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 03:28:37,299 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:28:37,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 03:28:37,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:28:37,359 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 03:28:37,360 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [547526071] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:37,361 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:28:37,361 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-07-14 03:28:37,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263120961] [2021-07-14 03:28:37,366 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 03:28:37,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:28:37,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 03:28:37,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-14 03:28:37,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:37,367 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:28:37,367 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:28:37,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:37,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:37,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:37,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:37,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:37,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:37,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:37,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:28:37,617 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:28:37,618 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:28:37,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:28:37,618 INFO L82 PathProgramCache]: Analyzing trace with hash -1197682858, now seen corresponding path program 3 times [2021-07-14 03:28:37,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:28:37,618 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789123258] [2021-07-14 03:28:37,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:28:37,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:28:37,716 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 03:28:37,717 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:28:37,717 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789123258] [2021-07-14 03:28:37,717 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789123258] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:37,717 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611848914] [2021-07-14 03:28:37,717 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:28:37,739 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 03:28:37,740 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:28:37,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-14 03:28:37,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:28:37,785 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 03:28:37,786 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [611848914] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:37,786 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:28:37,786 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-07-14 03:28:37,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519038506] [2021-07-14 03:28:37,786 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 03:28:37,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:28:37,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 03:28:37,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-07-14 03:28:37,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:37,787 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:28:37,787 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:28:37,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:37,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:37,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:37,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:28:37,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:37,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:37,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:37,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:37,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:28:37,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:28:38,032 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:28:38,033 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:28:38,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:28:38,034 INFO L82 PathProgramCache]: Analyzing trace with hash -1968209912, now seen corresponding path program 4 times [2021-07-14 03:28:38,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:28:38,034 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264097390] [2021-07-14 03:28:38,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:28:38,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:28:38,093 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:28:38,093 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:28:38,093 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264097390] [2021-07-14 03:28:38,093 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264097390] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:38,093 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [483748886] [2021-07-14 03:28:38,093 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:28:38,115 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 03:28:38,115 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:28:38,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-14 03:28:38,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:28:38,210 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:28:38,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-07-14 03:28:38,244 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:28:38,245 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:28:38,246 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:28:38,246 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-07-14 03:28:38,251 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:28:38,251 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [483748886] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:38,251 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:28:38,251 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2021-07-14 03:28:38,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948272668] [2021-07-14 03:28:38,252 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 03:28:38,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:28:38,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 03:28:38,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-07-14 03:28:38,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:38,253 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:28:38,253 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 1.9166666666666667) internal successors, (23), 11 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:28:38,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:38,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:38,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:38,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:28:38,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:28:38,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:38,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:38,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:38,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:38,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:28:38,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:28:38,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:28:38,529 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:28:38,530 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:28:38,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:28:38,530 INFO L82 PathProgramCache]: Analyzing trace with hash -84744810, now seen corresponding path program 5 times [2021-07-14 03:28:38,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:28:38,530 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74467433] [2021-07-14 03:28:38,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:28:38,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:28:38,572 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:28:38,572 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:28:38,572 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74467433] [2021-07-14 03:28:38,572 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74467433] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:38,572 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052792204] [2021-07-14 03:28:38,572 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:28:38,597 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-14 03:28:38,598 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:28:38,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-14 03:28:38,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:28:38,638 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:28:38,638 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2052792204] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:38,638 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:28:38,639 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-07-14 03:28:38,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399168696] [2021-07-14 03:28:38,639 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 03:28:38,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:28:38,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 03:28:38,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-07-14 03:28:38,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:38,640 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:28:38,640 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:28:38,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:38,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:38,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:38,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:28:38,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:28:38,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:28:38,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:38,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:38,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:38,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:38,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:28:38,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:28:38,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:28:38,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:28:38,935 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-07-14 03:28:38,935 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:28:38,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:28:38,935 INFO L82 PathProgramCache]: Analyzing trace with hash 1690948905, now seen corresponding path program 6 times [2021-07-14 03:28:38,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:28:38,936 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391866881] [2021-07-14 03:28:38,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:28:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:28:39,009 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 03:28:39,009 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:28:39,009 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391866881] [2021-07-14 03:28:39,009 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391866881] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:39,009 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1349094724] [2021-07-14 03:28:39,009 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:28:39,032 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-14 03:28:39,033 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:28:39,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-14 03:28:39,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:28:39,097 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 03:28:39,098 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1349094724] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:39,098 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:28:39,098 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-14 03:28:39,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21852083] [2021-07-14 03:28:39,100 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 03:28:39,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:28:39,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 03:28:39,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-07-14 03:28:39,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:39,103 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:28:39,103 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 12 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:28:39,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:39,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:39,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:39,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:28:39,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:28:39,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:28:39,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:28:39,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:39,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:39,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:39,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:39,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:28:39,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:28:39,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:28:39,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:28:39,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:28:39,443 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-14 03:28:39,443 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:28:39,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:28:39,444 INFO L82 PathProgramCache]: Analyzing trace with hash -775286985, now seen corresponding path program 7 times [2021-07-14 03:28:39,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:28:39,444 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630878164] [2021-07-14 03:28:39,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:28:39,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:28:39,523 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 03:28:39,523 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:28:39,523 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630878164] [2021-07-14 03:28:39,523 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630878164] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:39,523 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [686875710] [2021-07-14 03:28:39,524 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) [2021-07-14 03:28:39,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:28:39,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-14 03:28:39,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:28:39,624 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 03:28:39,624 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [686875710] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:39,624 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:28:39,624 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-07-14 03:28:39,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834935208] [2021-07-14 03:28:39,625 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 03:28:39,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:28:39,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 03:28:39,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-07-14 03:28:39,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:39,625 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:28:39,625 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:28:39,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:39,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:39,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:39,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:28:39,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:28:39,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:28:39,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:28:39,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:28:39,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:39,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:39,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:39,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:39,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:28:39,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:28:39,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:28:39,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:28:39,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:28:39,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:28:39,950 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-07-14 03:28:39,950 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:28:39,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:28:39,950 INFO L82 PathProgramCache]: Analyzing trace with hash 80811753, now seen corresponding path program 8 times [2021-07-14 03:28:39,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:28:39,950 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794008029] [2021-07-14 03:28:39,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:28:39,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:28:40,070 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 03:28:40,070 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:28:40,070 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794008029] [2021-07-14 03:28:40,070 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794008029] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:40,070 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774320974] [2021-07-14 03:28:40,070 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:28:40,094 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 03:28:40,094 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:28:40,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-14 03:28:40,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:28:40,213 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 03:28:40,213 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [774320974] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:40,213 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:28:40,213 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-07-14 03:28:40,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999055861] [2021-07-14 03:28:40,213 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-14 03:28:40,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:28:40,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-14 03:28:40,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-07-14 03:28:40,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:40,214 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:28:40,214 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5) internal successors, (24), 15 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:28:40,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:40,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:40,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:40,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:28:40,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:28:40,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:28:40,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:28:40,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:28:40,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:28:40,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:40,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:40,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:40,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:40,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:28:40,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:28:40,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:28:40,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:28:40,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:28:40,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:28:40,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:28:40,573 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-07-14 03:28:40,573 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:28:40,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:28:40,574 INFO L82 PathProgramCache]: Analyzing trace with hash 850068855, now seen corresponding path program 9 times [2021-07-14 03:28:40,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:28:40,574 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271852890] [2021-07-14 03:28:40,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:28:40,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:28:40,674 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:28:40,674 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:28:40,674 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271852890] [2021-07-14 03:28:40,674 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271852890] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:40,674 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [918292379] [2021-07-14 03:28:40,674 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:28:40,754 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 03:28:40,754 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:28:40,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-14 03:28:40,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:28:41,052 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-07-14 03:28:41,053 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:28:41,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-07-14 03:28:43,608 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:28:43,610 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:28:43,610 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:28:43,610 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-07-14 03:28:43,615 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:28:43,615 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [918292379] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:43,615 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:28:43,615 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12] total 20 [2021-07-14 03:28:43,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383881298] [2021-07-14 03:28:43,615 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-14 03:28:43,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:28:43,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-14 03:28:43,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-07-14 03:28:43,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:43,616 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:28:43,616 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 20 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:28:43,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:43,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:43,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:43,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:28:43,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:28:43,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:28:43,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:28:43,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:28:43,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:28:43,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:28:43,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:43,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:43,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:43,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:43,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:28:43,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:28:43,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:28:43,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:28:43,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:28:43,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:28:43,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:28:43,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 03:28:43,933 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-07-14 03:28:43,933 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:28:43,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:28:43,933 INFO L82 PathProgramCache]: Analyzing trace with hash -1072764759, now seen corresponding path program 10 times [2021-07-14 03:28:43,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:28:43,933 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17659583] [2021-07-14 03:28:43,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:28:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:28:44,006 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:28:44,007 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:28:44,007 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17659583] [2021-07-14 03:28:44,007 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17659583] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:44,007 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007608022] [2021-07-14 03:28:44,007 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:28:44,030 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 03:28:44,030 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:28:44,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-14 03:28:44,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:28:44,072 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:28:44,072 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007608022] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:44,072 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:28:44,072 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-07-14 03:28:44,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655002685] [2021-07-14 03:28:44,073 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-14 03:28:44,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:28:44,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-14 03:28:44,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-07-14 03:28:44,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:44,073 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:28:44,073 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:28:44,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:44,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:44,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:44,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:28:44,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:28:44,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:28:44,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:28:44,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:28:44,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:28:44,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:28:44,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 03:28:44,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:44,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:28:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:28:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:28:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:28:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:28:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:28:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:28:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 03:28:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:28:44,435 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable313,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:28:44,435 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:28:44,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:28:44,436 INFO L82 PathProgramCache]: Analyzing trace with hash 1127101558, now seen corresponding path program 11 times [2021-07-14 03:28:44,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:28:44,436 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636389259] [2021-07-14 03:28:44,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:28:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:28:44,579 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 03:28:44,580 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:28:44,580 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636389259] [2021-07-14 03:28:44,580 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636389259] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:44,580 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1121351451] [2021-07-14 03:28:44,580 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:28:44,615 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 03:28:44,616 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:28:44,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-14 03:28:44,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:28:44,732 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 03:28:44,732 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1121351451] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:44,732 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:28:44,732 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-07-14 03:28:44,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186037859] [2021-07-14 03:28:44,732 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-14 03:28:44,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:28:44,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-14 03:28:44,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2021-07-14 03:28:44,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:44,733 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:28:44,733 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.4) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:28:44,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:44,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:44,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:44,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:28:44,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:28:44,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:28:44,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:28:44,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:28:44,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:28:44,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:28:44,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 03:28:44,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:28:44,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:45,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:45,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:45,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:45,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:28:45,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:28:45,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:28:45,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:28:45,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:28:45,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:28:45,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:28:45,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 03:28:45,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:28:45,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:28:45,258 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable314 [2021-07-14 03:28:45,258 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:28:45,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:28:45,259 INFO L82 PathProgramCache]: Analyzing trace with hash 119935784, now seen corresponding path program 12 times [2021-07-14 03:28:45,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:28:45,259 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453381578] [2021-07-14 03:28:45,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:28:45,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:28:45,393 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 03:28:45,393 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:28:45,393 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453381578] [2021-07-14 03:28:45,393 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453381578] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:45,393 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [807319943] [2021-07-14 03:28:45,393 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:28:45,430 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-14 03:28:45,431 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:28:45,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-14 03:28:45,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:28:45,695 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:28:45,696 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [807319943] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:45,696 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:28:45,696 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 26 [2021-07-14 03:28:45,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932203054] [2021-07-14 03:28:45,697 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-14 03:28:45,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:28:45,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-14 03:28:45,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=638, Unknown=0, NotChecked=0, Total=702 [2021-07-14 03:28:45,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:45,698 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:28:45,698 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 26 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:28:45,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:45,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:45,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:45,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:28:45,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:28:45,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:28:45,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:28:45,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:28:45,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:28:45,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:28:45,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 03:28:45,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:28:45,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:28:45,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:46,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:46,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:46,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:46,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:28:46,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:28:46,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:28:46,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:28:46,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:28:46,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:28:46,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:28:46,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 03:28:46,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:28:46,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:28:46,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:28:46,404 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable315,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:28:46,404 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:28:46,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:28:46,405 INFO L82 PathProgramCache]: Analyzing trace with hash -1037432138, now seen corresponding path program 13 times [2021-07-14 03:28:46,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:28:46,405 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972935341] [2021-07-14 03:28:46,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:28:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:28:46,563 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 03:28:46,563 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:28:46,563 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972935341] [2021-07-14 03:28:46,564 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972935341] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:46,564 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889872012] [2021-07-14 03:28:46,564 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:28:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:28:46,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 23 conjunts are in the unsatisfiable core [2021-07-14 03:28:46,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:28:46,756 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 03:28:46,756 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [889872012] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:46,756 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:28:46,756 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-07-14 03:28:46,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170343365] [2021-07-14 03:28:46,757 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-14 03:28:46,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:28:46,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-14 03:28:46,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=493, Unknown=0, NotChecked=0, Total=552 [2021-07-14 03:28:46,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:46,758 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:28:46,758 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:28:46,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:46,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:46,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:46,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:28:46,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:28:46,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:28:46,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:28:46,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:28:46,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:28:46,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:28:46,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 03:28:46,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:28:46,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:28:46,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:28:46,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:47,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:47,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:47,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:47,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:28:47,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:28:47,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:28:47,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:28:47,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:28:47,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:28:47,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:28:47,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 03:28:47,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 03:28:47,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:28:47,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 03:28:47,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 03:28:47,237 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable316 [2021-07-14 03:28:47,238 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:28:47,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:28:47,238 INFO L82 PathProgramCache]: Analyzing trace with hash 1738867944, now seen corresponding path program 14 times [2021-07-14 03:28:47,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:28:47,238 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874204918] [2021-07-14 03:28:47,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:28:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:28:47,353 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:28:47,353 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:28:47,353 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874204918] [2021-07-14 03:28:47,353 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874204918] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:47,353 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226540801] [2021-07-14 03:28:47,353 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:28:47,381 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 03:28:47,381 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:28:47,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 37 conjunts are in the unsatisfiable core [2021-07-14 03:28:47,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:28:48,002 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-07-14 03:28:48,003 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:28:48,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 23 new quantified variables, introduced 66 case distinctions, treesize of input 55 treesize of output 568 [2021-07-14 03:28:48,796 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 380 [2021-07-14 03:28:48,946 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 383 [2021-07-14 03:28:50,144 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 513 [2021-07-14 03:28:50,392 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 516 [2021-07-14 03:28:50,839 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 757 [2021-07-14 03:28:51,383 WARN L205 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 938 DAG size of output: 782 [2021-07-14 03:28:52,174 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 397 [2021-07-14 03:28:52,356 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 432 [2021-07-14 03:28:52,566 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 439 [2021-07-14 03:28:53,376 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 387 [2021-07-14 03:28:53,983 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 392 [2021-07-14 03:28:54,266 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 687 [2021-07-14 03:28:54,615 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 720 [2021-07-14 03:28:55,039 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 760 DAG size of output: 727 [2021-07-14 03:28:55,763 WARN L205 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 1118 DAG size of output: 985 [2021-07-14 03:28:56,609 WARN L205 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 1140 DAG size of output: 1008 [2021-07-14 03:28:58,103 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1924 DAG size of output: 1536 [2021-07-14 03:28:59,105 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 483 [2021-07-14 03:28:59,323 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 486 [2021-07-14 03:29:00,097 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 347 [2021-07-14 03:29:00,486 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 711 [2021-07-14 03:29:00,959 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 737 [2021-07-14 03:29:01,635 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 367 [2021-07-14 03:29:01,781 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 402 [2021-07-14 03:29:01,974 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 408 [2021-07-14 03:29:03,326 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 657 [2021-07-14 03:29:03,630 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 690 [2021-07-14 03:29:04,007 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 696 [2021-07-14 03:29:04,642 WARN L205 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 1082 DAG size of output: 940 [2021-07-14 03:29:05,380 WARN L205 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 964 [2021-07-14 03:29:06,714 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1466 [2021-07-14 03:29:10,025 WARN L205 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 3619 DAG size of output: 2834 [2021-07-14 03:29:13,844 WARN L205 SmtUtils]: Spent 3.80 s on a formula simplification. DAG size of input: 3664 DAG size of output: 2879 [2021-07-14 03:29:18,191 WARN L205 SmtUtils]: Spent 4.33 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-07-14 03:29:22,537 WARN L205 SmtUtils]: Spent 4.33 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-07-14 03:29:27,669 WARN L205 SmtUtils]: Spent 5.12 s on a formula simplification. DAG size of input: 3707 DAG size of output: 2922 [2021-07-14 03:29:32,412 WARN L205 SmtUtils]: Spent 4.72 s on a formula simplification. DAG size of input: 2924 DAG size of output: 2915 [2021-07-14 03:29:37,548 WARN L205 SmtUtils]: Spent 5.12 s on a formula simplification. DAG size of input: 2912 DAG size of output: 3217 [2021-07-14 03:29:45,579 WARN L205 SmtUtils]: Spent 8.01 s on a formula simplification. DAG size of input: 2696 DAG size of output: 3553 [2021-07-14 03:29:45,764 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 2516 [2021-07-14 03:29:46,828 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 278 [2021-07-14 03:29:48,715 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 2495 DAG size of output: 2494 [2021-07-14 03:29:55,232 WARN L205 SmtUtils]: Spent 6.50 s on a formula simplification. DAG size of input: 2493 DAG size of output: 3700 [2021-07-14 03:29:55,557 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 2169 DAG size of output: 2169 [2021-07-14 03:29:55,833 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 2126 DAG size of output: 2126 [2021-07-14 03:29:56,818 WARN L205 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 977 [2021-07-14 03:29:58,526 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 257 [2021-07-14 03:29:58,761 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 340 [2021-07-14 03:29:59,079 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 396 [2021-07-14 03:29:59,553 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 592 [2021-07-14 03:30:00,506 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 243 [2021-07-14 03:30:00,857 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 265 [2021-07-14 03:30:01,180 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 425 [2021-07-14 03:30:01,711 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 623 [2021-07-14 03:30:02,769 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 1090 DAG size of output: 844 [2021-07-14 03:30:04,058 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 322 [2021-07-14 03:30:04,345 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 350 [2021-07-14 03:30:05,280 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 285 [2021-07-14 03:30:05,535 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 391 [2021-07-14 03:30:05,858 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 449 [2021-07-14 03:30:06,734 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 238 [2021-07-14 03:30:06,995 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 360 [2021-07-14 03:30:07,274 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 396 [2021-07-14 03:30:07,622 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 455 [2021-07-14 03:30:08,365 WARN L205 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 659 [2021-07-14 03:30:09,328 WARN L205 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 827 DAG size of output: 710 [2021-07-14 03:30:10,188 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 245 [2021-07-14 03:30:10,354 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 305 [2021-07-14 03:30:10,579 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 409 [2021-07-14 03:30:10,888 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 472 [2021-07-14 03:30:11,881 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 221 [2021-07-14 03:30:12,031 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 275 [2021-07-14 03:30:12,255 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 374 [2021-07-14 03:30:12,535 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 411 [2021-07-14 03:30:12,894 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 475 [2021-07-14 03:30:13,624 WARN L205 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 714 [2021-07-14 03:30:15,466 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 1682 DAG size of output: 1237 [2021-07-14 03:30:18,484 WARN L205 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 2518 DAG size of output: 1697 [2021-07-14 03:30:21,947 WARN L205 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 2537 DAG size of output: 1736 [2021-07-14 03:30:26,391 WARN L205 SmtUtils]: Spent 4.43 s on a formula simplification. DAG size of input: 2890 DAG size of output: 1831 [2021-07-14 03:30:27,500 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 700 DAG size of output: 1050 [2021-07-14 03:30:27,874 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 660 [2021-07-14 03:30:28,459 WARN L205 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 647 DAG size of output: 823 [2021-07-14 03:30:29,468 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 257 [2021-07-14 03:30:29,668 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 285 [2021-07-14 03:30:29,946 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 348 [2021-07-14 03:30:30,326 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 513 [2021-07-14 03:30:30,524 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 429 [2021-07-14 03:30:31,476 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 283 [2021-07-14 03:30:31,661 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 309 [2021-07-14 03:30:32,553 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 270 [2021-07-14 03:30:32,719 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 296 [2021-07-14 03:30:33,093 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 492 [2021-07-14 03:30:33,625 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 624 [2021-07-14 03:30:34,366 WARN L205 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 814 [2021-07-14 03:30:35,585 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 1338 DAG size of output: 1058 [2021-07-14 03:30:37,250 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 1723 DAG size of output: 1396 [2021-07-14 03:30:37,921 WARN L205 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 828 [2021-07-14 03:30:38,520 WARN L205 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 766 [2021-07-14 03:30:38,887 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 639 [2021-07-14 03:30:39,008 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 332 [2021-07-14 03:30:40,604 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 248 [2021-07-14 03:30:40,773 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 212 [2021-07-14 03:30:41,063 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 388 [2021-07-14 03:30:41,681 WARN L205 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 707 [2021-07-14 03:30:42,597 WARN L205 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 1357 DAG size of output: 863 [2021-07-14 03:30:43,944 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 1729 DAG size of output: 1197 [2021-07-14 03:30:47,341 WARN L205 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 2363 DAG size of output: 1672 [2021-07-14 03:30:51,214 WARN L205 SmtUtils]: Spent 3.86 s on a formula simplification. DAG size of input: 2424 DAG size of output: 1716 [2021-07-14 03:30:56,808 WARN L205 SmtUtils]: Spent 5.58 s on a formula simplification. DAG size of input: 2831 DAG size of output: 1844 [2021-07-14 03:31:07,777 WARN L205 SmtUtils]: Spent 10.95 s on a formula simplification. DAG size of input: 5382 DAG size of output: 3237 [2021-07-14 03:31:09,017 WARN L205 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 707 DAG size of output: 1000 [2021-07-14 03:31:09,582 WARN L205 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 712 [2021-07-14 03:31:10,356 WARN L205 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 877 [2021-07-14 03:31:10,843 WARN L205 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 729 [2021-07-14 03:31:11,621 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 262 [2021-07-14 03:31:11,816 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 300 [2021-07-14 03:31:12,041 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 374 [2021-07-14 03:31:12,893 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 229 [2021-07-14 03:31:13,711 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 344 [2021-07-14 03:31:14,608 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 334 [2021-07-14 03:31:15,665 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 369 [2021-07-14 03:31:16,091 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 560 [2021-07-14 03:31:16,877 WARN L205 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 902 DAG size of output: 726 [2021-07-14 03:31:17,836 WARN L205 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 962 DAG size of output: 768 [2021-07-14 03:31:19,029 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 1071 DAG size of output: 879 [2021-07-14 03:31:20,306 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 1304 DAG size of output: 904 [2021-07-14 03:31:22,172 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 1744 DAG size of output: 1304 [2021-07-14 03:31:24,699 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 2015 DAG size of output: 1655 [2021-07-14 03:31:25,508 WARN L205 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 879 [2021-07-14 03:31:25,860 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 490 [2021-07-14 03:31:26,150 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 491 [2021-07-14 03:31:27,322 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 260 [2021-07-14 03:31:28,182 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 289 [2021-07-14 03:31:28,443 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 317 [2021-07-14 03:31:28,831 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 433 [2021-07-14 03:31:29,531 WARN L205 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 821 DAG size of output: 666 [2021-07-14 03:31:30,571 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 945 DAG size of output: 803 [2021-07-14 03:31:30,744 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 354 [2021-07-14 03:31:31,391 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 338 [2021-07-14 03:31:31,565 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 377 [2021-07-14 03:31:31,845 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 443 [2021-07-14 03:31:33,093 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 1314 DAG size of output: 1007 [2021-07-14 03:31:34,936 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 1586 DAG size of output: 1355 [2021-07-14 03:31:39,751 WARN L205 SmtUtils]: Spent 4.81 s on a formula simplification. DAG size of input: 2617 DAG size of output: 2064 [2021-07-14 03:31:46,479 WARN L205 SmtUtils]: Spent 6.72 s on a formula simplification. DAG size of input: 2989 DAG size of output: 2220 [2021-07-14 03:31:53,894 WARN L205 SmtUtils]: Spent 7.40 s on a formula simplification. DAG size of input: 3049 DAG size of output: 2305 [2021-07-14 03:31:54,558 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 573 [2021-07-14 03:31:55,236 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 296 [2021-07-14 03:31:55,420 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 358 [2021-07-14 03:31:55,841 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 275 [2021-07-14 03:31:56,113 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 451 [2021-07-14 03:31:57,032 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 215 [2021-07-14 03:31:57,183 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 254 [2021-07-14 03:31:57,399 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 348 [2021-07-14 03:31:57,708 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 399 [2021-07-14 03:31:58,084 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 425 [2021-07-14 03:31:58,545 WARN L205 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 485 [2021-07-14 03:31:59,089 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 521 [2021-07-14 03:32:00,375 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 328 [2021-07-14 03:32:00,634 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 369 [2021-07-14 03:32:00,950 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 394 [2021-07-14 03:32:01,408 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 433 [2021-07-14 03:32:01,931 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 517 [2021-07-14 03:32:02,582 WARN L205 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 580 [2021-07-14 03:32:03,899 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 978 DAG size of output: 863 [2021-07-14 03:32:04,774 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 202 [2021-07-14 03:32:04,932 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 256 [2021-07-14 03:32:05,189 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 384 [2021-07-14 03:32:05,513 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 442 [2021-07-14 03:32:05,715 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 292 [2021-07-14 03:32:06,341 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 328 [2021-07-14 03:32:06,560 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 391 [2021-07-14 03:32:06,853 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 450 [2021-07-14 03:32:07,549 WARN L205 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 639 [2021-07-14 03:32:08,625 WARN L205 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 800 DAG size of output: 715 [2021-07-14 03:32:11,080 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 1872 DAG size of output: 1482 [2021-07-14 03:32:14,293 WARN L205 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 2070 DAG size of output: 1568 [2021-07-14 03:32:14,428 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 361 [2021-07-14 03:32:15,020 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 344 [2021-07-14 03:32:15,217 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 367 [2021-07-14 03:32:15,792 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 246 [2021-07-14 03:32:16,125 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 486 [2021-07-14 03:32:17,152 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 243 [2021-07-14 03:32:17,294 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 266 [2021-07-14 03:32:17,502 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 324 [2021-07-14 03:32:17,784 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 457 [2021-07-14 03:32:18,192 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 599 [2021-07-14 03:32:19,080 WARN L205 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 817 [2021-07-14 03:32:20,255 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 1006 DAG size of output: 867 [2021-07-14 03:32:21,479 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 388 [2021-07-14 03:32:21,728 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 406 [2021-07-14 03:32:22,015 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 422 [2021-07-14 03:32:22,377 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 470 [2021-07-14 03:32:24,145 WARN L205 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 1433 DAG size of output: 1082 [2021-07-14 03:32:29,351 WARN L205 SmtUtils]: Spent 5.20 s on a formula simplification. DAG size of input: 2994 DAG size of output: 2129 [2021-07-14 03:32:35,252 WARN L205 SmtUtils]: Spent 5.89 s on a formula simplification. DAG size of input: 3038 DAG size of output: 2179 [2021-07-14 03:32:49,885 WARN L205 SmtUtils]: Spent 14.62 s on a formula simplification. DAG size of input: 5719 DAG size of output: 3928 [2021-07-14 03:33:18,059 WARN L205 SmtUtils]: Spent 28.15 s on a formula simplification. DAG size of input: 8989 DAG size of output: 5710 [2021-07-14 03:33:19,071 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 329 [2021-07-14 03:33:19,252 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 340 [2021-07-14 03:33:50,991 WARN L205 SmtUtils]: Spent 31.73 s on a formula simplification. DAG size of input: 9287 DAG size of output: 5929 [2021-07-14 03:34:28,606 WARN L205 SmtUtils]: Spent 37.57 s on a formula simplification. DAG size of input: 10982 DAG size of output: 7649 [2021-07-14 03:34:29,721 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 295 [2021-07-14 03:34:29,914 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 410 [2021-07-14 03:34:30,151 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 416 [2021-07-14 03:35:08,505 WARN L205 SmtUtils]: Spent 38.33 s on a formula simplification. DAG size of input: 11394 DAG size of output: 7943 [2021-07-14 03:35:47,563 WARN L205 SmtUtils]: Spent 39.00 s on a formula simplification. DAG size of input: 11649 DAG size of output: 8097 [2021-07-14 03:36:33,302 WARN L205 SmtUtils]: Spent 45.68 s on a formula simplification. DAG size of input: 12976 DAG size of output: 9218 [2021-07-14 03:36:36,809 WARN L205 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1636 [2021-07-14 03:36:36,976 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 1238 [2021-07-14 03:36:38,380 WARN L205 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 1217 DAG size of output: 1216 [2021-07-14 03:36:38,911 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 234 [2021-07-14 03:36:41,915 WARN L205 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 1215 DAG size of output: 1779 [2021-07-14 03:36:42,064 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1093 DAG size of output: 1093 [2021-07-14 03:36:42,203 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1052 DAG size of output: 1052 [2021-07-14 03:36:43,292 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 686 DAG size of output: 991 [2021-07-14 03:36:43,977 WARN L205 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 739 [2021-07-14 03:36:44,905 WARN L205 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 766 [2021-07-14 03:36:45,661 WARN L205 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 791 [2021-07-14 03:36:46,002 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 441 [2021-07-14 03:36:46,700 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2021-07-14 03:36:46,865 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 291 [2021-07-14 03:36:47,231 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 348 [2021-07-14 03:36:47,581 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 453 [2021-07-14 03:36:48,000 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 477 [2021-07-14 03:36:48,574 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 290 [2021-07-14 03:36:49,280 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 207 [2021-07-14 03:36:49,518 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 417 [2021-07-14 03:36:49,828 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 435 [2021-07-14 03:36:50,632 WARN L205 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 758 [2021-07-14 03:36:51,670 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 1152 DAG size of output: 843 [2021-07-14 03:36:53,085 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1015 [2021-07-14 03:36:53,981 WARN L205 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 765 [2021-07-14 03:36:55,053 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 675 DAG size of output: 790 [2021-07-14 03:36:55,342 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 428 [2021-07-14 03:36:55,998 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 281 [2021-07-14 03:36:56,206 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 391 [2021-07-14 03:36:56,561 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 464 [2021-07-14 03:36:56,801 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 267 [2021-07-14 03:36:57,423 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2021-07-14 03:36:57,607 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2021-07-14 03:36:58,395 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 265 [2021-07-14 03:36:58,573 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 290 [2021-07-14 03:36:58,975 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 384 [2021-07-14 03:36:59,876 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 261 [2021-07-14 03:37:00,381 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 319 [2021-07-14 03:37:00,675 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 344 [2021-07-14 03:37:01,455 WARN L205 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 516 [2021-07-14 03:37:02,461 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 592 DAG size of output: 578 [2021-07-14 03:37:03,753 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 819 DAG size of output: 697 [2021-07-14 03:37:05,463 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 1184 DAG size of output: 905 [2021-07-14 03:37:07,656 WARN L205 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 1312 DAG size of output: 996 [2021-07-14 03:37:10,353 WARN L205 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 1416 DAG size of output: 1170 [2021-07-14 03:37:14,880 WARN L205 SmtUtils]: Spent 4.52 s on a formula simplification. DAG size of input: 1833 DAG size of output: 1517 [2021-07-14 03:37:20,985 WARN L205 SmtUtils]: Spent 6.10 s on a formula simplification. DAG size of input: 2174 DAG size of output: 1614 [2021-07-14 03:37:21,372 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 546 [2021-07-14 03:37:21,576 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 391 [2021-07-14 03:37:21,779 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 417 [2021-07-14 03:37:22,122 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 455 [2021-07-14 03:37:23,606 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 216 [2021-07-14 03:37:23,771 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 246 [2021-07-14 03:37:24,009 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 330 [2021-07-14 03:37:24,402 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 656 DAG size of output: 454 [2021-07-14 03:37:24,928 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 836 DAG size of output: 572 [2021-07-14 03:37:25,204 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 323 [2021-07-14 03:37:25,312 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 263 [2021-07-14 03:37:26,379 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 162 [2021-07-14 03:37:26,538 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 220 [2021-07-14 03:37:26,745 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 247 [2021-07-14 03:37:27,029 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 336 [2021-07-14 03:37:27,397 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 404 [2021-07-14 03:37:27,956 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 290 [2021-07-14 03:37:28,542 WARN L205 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 847 DAG size of output: 578 [2021-07-14 03:37:29,758 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 933 DAG size of output: 641 [2021-07-14 03:37:31,178 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 960 DAG size of output: 668 [2021-07-14 03:37:33,094 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 1138 DAG size of output: 701 [2021-07-14 03:37:33,324 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 487 [2021-07-14 03:37:33,580 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-07-14 03:37:33,761 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-07-14 03:37:33,937 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 362 [2021-07-14 03:37:35,014 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 219 [2021-07-14 03:37:35,200 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 243 [2021-07-14 03:37:35,450 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 341 [2021-07-14 03:37:35,797 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 403 [2021-07-14 03:37:36,272 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 476 [2021-07-14 03:37:36,447 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-07-14 03:37:36,621 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-07-14 03:37:37,678 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 313 [2021-07-14 03:37:37,851 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 333 [2021-07-14 03:37:38,107 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 401 [2021-07-14 03:37:38,500 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 471 [2021-07-14 03:37:39,479 WARN L205 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 837 DAG size of output: 632 [2021-07-14 03:37:40,774 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1009 DAG size of output: 667 [2021-07-14 03:37:44,036 WARN L205 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 1961 DAG size of output: 1076 [2021-07-14 03:37:53,459 WARN L205 SmtUtils]: Spent 9.41 s on a formula simplification. DAG size of input: 3390 DAG size of output: 2173 [2021-07-14 03:38:04,590 WARN L205 SmtUtils]: Spent 10.76 s on a formula simplification. DAG size of input: 3507 DAG size of output: 2263 [2021-07-14 03:38:17,128 WARN L205 SmtUtils]: Spent 12.52 s on a formula simplification. DAG size of input: 4235 DAG size of output: 2787 [2021-07-14 03:38:29,944 WARN L205 SmtUtils]: Spent 12.80 s on a formula simplification. DAG size of input: 4456 DAG size of output: 2926 [2021-07-14 03:38:42,973 WARN L205 SmtUtils]: Spent 13.01 s on a formula simplification. DAG size of input: 4635 DAG size of output: 3051 [2021-07-14 03:38:57,940 WARN L205 SmtUtils]: Spent 14.95 s on a formula simplification. DAG size of input: 5120 DAG size of output: 3306 [2021-07-14 03:40:00,470 WARN L205 SmtUtils]: Spent 1.04 m on a formula simplification. DAG size of input: 16679 DAG size of output: 11341 [2021-07-14 03:41:09,983 WARN L205 SmtUtils]: Spent 1.16 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 [2021-07-14 03:42:19,627 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