/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-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 23:47:24,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 23:47:24,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 23:47:24,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-16 23:47:24,504 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-Random42.epf [2021-06-16 23:47:24,536 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 23:47:24,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 23:47:24,537 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-16 23:47:24,537 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-16 23:47:24,539 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 23:47:24,539 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 23:47:24,539 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 23:47:24,539 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 23:47:24,540 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 23:47:24,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 23:47:24,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 23:47:24,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 23:47:24,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 23:47:24,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 23:47:24,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 23:47:24,541 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 23:47:24,541 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 23:47:24,541 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 23:47:24,542 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 23:47:24,542 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 23:47:24,542 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 23:47:24,542 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 23:47:24,542 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 23:47:24,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 23:47:24,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 23:47:24,543 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 23:47:24,543 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 23:47:24,543 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 23:47:24,543 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-16 23:47:24,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 23:47:24,544 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 23:47:24,544 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-16 23:47:24,544 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 23:47:24,544 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-16 23:47:24,544 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-16 23:47:24,544 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 23:47:24,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 23:47:24,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 23:47:24,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 23:47:24,897 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-16 23:47:24,898 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-16 23:47:24,899 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl [2021-06-16 23:47:24,900 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl' [2021-06-16 23:47:24,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 23:47:24,928 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-16 23:47:24,929 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 23:47:24,929 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 23:47:24,929 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 23:47:24,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 11:47:24" (1/1) ... [2021-06-16 23:47:24,949 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 11:47:24" (1/1) ... [2021-06-16 23:47:24,954 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 23:47:24,955 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 23:47:24,955 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 23:47:24,955 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 23:47:24,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 11:47:24" (1/1) ... [2021-06-16 23:47:24,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 11:47:24" (1/1) ... [2021-06-16 23:47:24,963 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 11:47:24" (1/1) ... [2021-06-16 23:47:24,963 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 11:47:24" (1/1) ... [2021-06-16 23:47:24,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 11:47:24" (1/1) ... [2021-06-16 23:47:24,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 11:47:24" (1/1) ... [2021-06-16 23:47:24,971 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 11:47:24" (1/1) ... [2021-06-16 23:47:24,972 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 23:47:24,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 23:47:24,974 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 23:47:24,974 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 23:47:24,975 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 11:47:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 23:47:25,023 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-16 23:47:25,024 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-16 23:47:25,024 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-16 23:47:25,024 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-16 23:47:25,024 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-16 23:47:25,024 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-16 23:47:25,024 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-16 23:47:25,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 23:47:25,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 23:47:25,025 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-16 23:47:25,239 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 23:47:25,240 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-06-16 23:47:25,240 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-16 23:47:25,241 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-06-16 23:47:25,242 INFO L202 PluginConnector]: Adding new model unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 11:47:25 BoogieIcfgContainer [2021-06-16 23:47:25,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 23:47:25,243 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 23:47:25,244 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 23:47:25,246 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 23:47:25,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 11:47:24" (1/2) ... [2021-06-16 23:47:25,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dc36872 and model type unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 11:47:25, skipping insertion in model container [2021-06-16 23:47:25,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 11:47:25" (2/2) ... [2021-06-16 23:47:25,248 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-4.wvr.bpl [2021-06-16 23:47:25,253 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 23:47:25,253 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 23:47:25,254 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-16 23:47:25,254 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 23:47:25,277 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-16 23:47:25,313 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-16 23:47:25,435 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 23:47:25,436 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 23:47:25,436 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 23:47:25,436 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 23:47:25,436 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 23:47:25,436 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 23:47:25,436 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 23:47:25,437 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 23:47:25,472 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:47:25,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:47:25,482 INFO L82 PathProgramCache]: Analyzing trace with hash 333240611, now seen corresponding path program 1 times [2021-06-16 23:47:25,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:47:25,490 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655860089] [2021-06-16 23:47:25,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:47:25,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:47:25,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:47:25,647 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:47:25,647 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655860089] [2021-06-16 23:47:25,648 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655860089] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 23:47:25,649 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 23:47:25,649 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-16 23:47:25,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693889608] [2021-06-16 23:47:25,655 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 23:47:25,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:47:25,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 23:47:25,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 23:47:25,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:47:25,676 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:47:25,679 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:47:25,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:47:25,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:47:25,699 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-16 23:47:25,699 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:47:25,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:47:25,703 INFO L82 PathProgramCache]: Analyzing trace with hash -1034217597, now seen corresponding path program 1 times [2021-06-16 23:47:25,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:47:25,704 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428699245] [2021-06-16 23:47:25,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:47:25,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:47:25,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:47:25,789 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:47:25,789 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428699245] [2021-06-16 23:47:25,789 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428699245] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:47:25,789 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870837860] [2021-06-16 23:47:25,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:47:25,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:47:25,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-16 23:47:25,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:47:25,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:47:25,948 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1870837860] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:47:25,949 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:47:25,949 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-06-16 23:47:25,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375198760] [2021-06-16 23:47:25,951 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-16 23:47:25,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:47:25,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-16 23:47:25,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-16 23:47:25,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:47:25,956 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:47:25,956 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:47:25,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:47:25,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:47:25,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:47:25,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:26,221 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:47:26,222 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:47:26,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:47:26,223 INFO L82 PathProgramCache]: Analyzing trace with hash -1995246966, now seen corresponding path program 1 times [2021-06-16 23:47:26,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:47:26,223 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643230658] [2021-06-16 23:47:26,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:47:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:47:26,292 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 23:47:26,292 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:47:26,292 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643230658] [2021-06-16 23:47:26,292 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643230658] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:47:26,293 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953853310] [2021-06-16 23:47:26,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:47:26,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:47:26,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-16 23:47:26,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:47:26,388 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 23:47:26,388 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953853310] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:47:26,389 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:47:26,389 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-06-16 23:47:26,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002693429] [2021-06-16 23:47:26,389 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-16 23:47:26,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:47:26,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-16 23:47:26,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-16 23:47:26,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:47:26,390 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:47:26,390 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:47:26,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:47:26,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:26,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:47:26,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:47:26,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:26,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:26,623 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:47:26,624 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:47:26,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:47:26,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1862592278, now seen corresponding path program 2 times [2021-06-16 23:47:26,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:47:26,625 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144121102] [2021-06-16 23:47:26,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:47:26,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:47:26,687 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 23:47:26,687 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:47:26,687 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144121102] [2021-06-16 23:47:26,687 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144121102] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:47:26,688 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300816929] [2021-06-16 23:47:26,688 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:47:26,741 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 23:47:26,741 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:47:26,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-16 23:47:26,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:47:26,829 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 23:47:26,830 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1300816929] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:47:26,830 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:47:26,830 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-06-16 23:47:26,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745098358] [2021-06-16 23:47:26,831 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-16 23:47:26,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:47:26,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-16 23:47:26,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-16 23:47:26,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:47:26,832 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:47:26,832 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:47:26,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:47:26,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:26,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:26,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:47:26,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:47:26,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:26,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:26,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:47:27,088 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:47:27,089 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:47:27,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:47:27,090 INFO L82 PathProgramCache]: Analyzing trace with hash -2045264246, now seen corresponding path program 3 times [2021-06-16 23:47:27,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:47:27,090 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872902385] [2021-06-16 23:47:27,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:47:27,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:47:27,156 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 23:47:27,156 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:47:27,156 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872902385] [2021-06-16 23:47:27,156 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872902385] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:47:27,156 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091052597] [2021-06-16 23:47:27,157 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:47:27,185 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-16 23:47:27,185 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:47:27,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-16 23:47:27,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:47:27,259 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 23:47:27,259 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2091052597] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:47:27,259 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:47:27,260 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-06-16 23:47:27,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289200352] [2021-06-16 23:47:27,260 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-16 23:47:27,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:47:27,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-16 23:47:27,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-06-16 23:47:27,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:47:27,261 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:47:27,261 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:47:27,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:47:27,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:27,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:27,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:47:27,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:47:27,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:47:27,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:27,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:27,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:47:27,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:47:27,496 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:47:27,497 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:47:27,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:47:27,498 INFO L82 PathProgramCache]: Analyzing trace with hash 881839338, now seen corresponding path program 4 times [2021-06-16 23:47:27,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:47:27,498 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670311349] [2021-06-16 23:47:27,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:47:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:47:27,540 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:47:27,540 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:47:27,541 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670311349] [2021-06-16 23:47:27,541 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670311349] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:47:27,541 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [264134406] [2021-06-16 23:47:27,541 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:47:27,590 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-16 23:47:27,590 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:47:27,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-16 23:47:27,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:47:27,806 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 23:47:27,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-06-16 23:47:27,858 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 23:47:27,860 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 23:47:27,860 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 23:47:27,861 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-06-16 23:47:27,866 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:47:27,867 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [264134406] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:47:27,867 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:47:27,867 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2021-06-16 23:47:27,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331072117] [2021-06-16 23:47:27,868 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-16 23:47:27,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:47:27,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-16 23:47:27,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-06-16 23:47:27,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:47:27,869 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:47:27,869 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.0) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:47:27,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:47:27,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:27,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:27,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:47:27,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:47:27,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:47:27,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:47:27,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:27,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:27,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:47:27,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:47:27,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:47:28,121 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:47:28,121 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:47:28,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:47:28,122 INFO L82 PathProgramCache]: Analyzing trace with hash 1427737226, now seen corresponding path program 5 times [2021-06-16 23:47:28,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:47:28,122 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408506317] [2021-06-16 23:47:28,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:47:28,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:47:28,188 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:47:28,189 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:47:28,189 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408506317] [2021-06-16 23:47:28,189 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408506317] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:47:28,189 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1886062062] [2021-06-16 23:47:28,189 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:47:28,234 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-16 23:47:28,234 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:47:28,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-16 23:47:28,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:47:28,288 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:47:28,289 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1886062062] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:47:28,289 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:47:28,289 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-06-16 23:47:28,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108413822] [2021-06-16 23:47:28,290 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-16 23:47:28,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:47:28,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-16 23:47:28,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-06-16 23:47:28,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:47:28,291 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:47:28,291 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:47:28,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:47:28,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:28,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:28,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:47:28,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:47:28,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:47:28,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:47:28,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:47:28,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:28,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:28,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:47:28,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:47:28,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:47:28,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:47:28,589 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-06-16 23:47:28,589 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:47:28,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:47:28,589 INFO L82 PathProgramCache]: Analyzing trace with hash 1310908515, now seen corresponding path program 6 times [2021-06-16 23:47:28,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:47:28,590 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474107854] [2021-06-16 23:47:28,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:47:28,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:47:28,711 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-16 23:47:28,711 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:47:28,711 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474107854] [2021-06-16 23:47:28,711 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474107854] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:47:28,711 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [805121716] [2021-06-16 23:47:28,711 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:47:28,743 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-16 23:47:28,743 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:47:28,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-16 23:47:28,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:47:28,837 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-16 23:47:28,837 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [805121716] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:47:28,837 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:47:28,837 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-06-16 23:47:28,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779777369] [2021-06-16 23:47:28,838 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-16 23:47:28,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:47:28,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-16 23:47:28,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-06-16 23:47:28,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:47:28,839 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:47:28,839 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:47:28,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:47:28,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:28,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:28,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:47:28,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:47:28,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:47:28,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:47:28,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:47:28,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:47:28,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:28,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:28,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:47:28,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:47:28,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:47:28,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:47:28,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:47:29,188 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-16 23:47:29,189 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:47:29,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:47:29,190 INFO L82 PathProgramCache]: Analyzing trace with hash 1932768771, now seen corresponding path program 7 times [2021-06-16 23:47:29,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:47:29,190 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413434652] [2021-06-16 23:47:29,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:47:29,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:47:29,315 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-16 23:47:29,315 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:47:29,315 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413434652] [2021-06-16 23:47:29,316 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413434652] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:47:29,316 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1943982919] [2021-06-16 23:47:29,316 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:47:29,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:47:29,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-16 23:47:29,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:47:29,446 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-16 23:47:29,446 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1943982919] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:47:29,446 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:47:29,446 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-06-16 23:47:29,449 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710862917] [2021-06-16 23:47:29,449 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-16 23:47:29,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:47:29,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-16 23:47:29,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-06-16 23:47:29,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:47:29,451 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:47:29,451 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:47:29,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:47:29,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:29,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:29,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:47:29,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:47:29,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:47:29,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:47:29,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:47:29,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:47:29,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:47:29,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:29,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:29,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:47:29,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:47:29,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:47:29,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:47:29,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:47:29,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:47:29,800 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-06-16 23:47:29,801 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:47:29,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:47:29,801 INFO L82 PathProgramCache]: Analyzing trace with hash -264399773, now seen corresponding path program 8 times [2021-06-16 23:47:29,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:47:29,802 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384512719] [2021-06-16 23:47:29,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:47:29,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:47:29,908 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-16 23:47:29,908 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:47:29,909 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384512719] [2021-06-16 23:47:29,909 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384512719] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:47:29,909 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245838444] [2021-06-16 23:47:29,909 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:47:29,947 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 23:47:29,948 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:47:29,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-16 23:47:29,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:47:30,081 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-16 23:47:30,082 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1245838444] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:47:30,082 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:47:30,082 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-06-16 23:47:30,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905023569] [2021-06-16 23:47:30,083 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-16 23:47:30,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:47:30,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-16 23:47:30,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-06-16 23:47:30,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:47:30,085 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:47:30,085 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5) internal successors, (24), 15 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:47:30,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:47:30,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:30,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:30,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:47:30,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:47:30,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:47:30,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:47:30,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:47:30,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:47:30,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:47:30,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:47:30,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:30,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:30,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:47:30,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:47:30,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:47:30,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:47:30,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:47:30,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:47:30,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:47:30,457 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-06-16 23:47:30,457 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:47:30,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:47:30,458 INFO L82 PathProgramCache]: Analyzing trace with hash 342852099, now seen corresponding path program 9 times [2021-06-16 23:47:30,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:47:30,458 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315898627] [2021-06-16 23:47:30,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:47:30,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:47:30,562 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:47:30,562 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:47:30,562 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315898627] [2021-06-16 23:47:30,563 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315898627] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:47:30,563 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [18296033] [2021-06-16 23:47:30,563 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:47:30,599 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-16 23:47:30,599 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:47:30,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-16 23:47:30,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:47:30,906 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-06-16 23:47:30,907 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 23:47:30,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-06-16 23:47:31,839 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 247 [2021-06-16 23:47:32,002 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 263 [2021-06-16 23:47:32,173 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 266 [2021-06-16 23:47:32,321 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 266 [2021-06-16 23:47:32,482 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 274 [2021-06-16 23:47:32,640 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 264 [2021-06-16 23:47:33,212 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 179 [2021-06-16 23:47:33,325 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 185 [2021-06-16 23:47:33,494 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 239 [2021-06-16 23:47:34,399 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 23:47:34,401 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 23:47:34,401 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 23:47:34,401 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-06-16 23:47:34,409 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:47:34,409 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [18296033] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:47:34,409 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:47:34,409 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12] total 20 [2021-06-16 23:47:34,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675049138] [2021-06-16 23:47:34,410 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-16 23:47:34,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:47:34,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-16 23:47:34,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-06-16 23:47:34,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:47:34,411 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:47:34,411 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.619047619047619) internal successors, (34), 20 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:47:34,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:47:34,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:34,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:34,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:47:34,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:47:34,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:47:34,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:47:34,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:47:34,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:47:34,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:47:34,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:47:34,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:47:34,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:34,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:34,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:47:34,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:47:34,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:47:34,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:47:34,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:47:34,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:47:34,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:47:34,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:47:34,721 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-06-16 23:47:34,721 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:47:34,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:47:34,722 INFO L82 PathProgramCache]: Analyzing trace with hash 1987790947, now seen corresponding path program 10 times [2021-06-16 23:47:34,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:47:34,722 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296123983] [2021-06-16 23:47:34,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:47:34,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:47:34,820 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:47:34,820 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:47:34,821 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296123983] [2021-06-16 23:47:34,821 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296123983] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:47:34,821 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582532400] [2021-06-16 23:47:34,821 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:47:34,860 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-16 23:47:34,861 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:47:34,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-16 23:47:34,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:47:34,924 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:47:34,925 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1582532400] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:47:34,925 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:47:34,925 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-06-16 23:47:34,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878554669] [2021-06-16 23:47:34,925 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-16 23:47:34,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:47:34,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-16 23:47:34,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-06-16 23:47:34,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:47:34,926 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:47:34,926 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 14 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:47:34,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:47:34,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:34,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:34,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:47:34,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:47:34,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:47:34,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:47:34,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:47:34,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:47:34,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:47:34,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:47:34,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:47:35,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:47:35,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:35,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:35,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:47:35,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:47:35,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:47:35,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:47:35,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:47:35,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:47:35,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:47:35,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:47:35,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:47:35,303 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable313,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:47:35,304 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:47:35,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:47:35,304 INFO L82 PathProgramCache]: Analyzing trace with hash 1492704682, now seen corresponding path program 11 times [2021-06-16 23:47:35,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:47:35,305 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228644922] [2021-06-16 23:47:35,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:47:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:47:35,479 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-16 23:47:35,479 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:47:35,479 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228644922] [2021-06-16 23:47:35,480 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228644922] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:47:35,480 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [458125824] [2021-06-16 23:47:35,480 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:47:35,519 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-16 23:47:35,519 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:47:35,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-16 23:47:35,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:47:35,827 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 3 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:47:35,828 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [458125824] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:47:35,828 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:47:35,828 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14] total 24 [2021-06-16 23:47:35,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196667786] [2021-06-16 23:47:35,830 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-16 23:47:35,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:47:35,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-16 23:47:35,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=507, Unknown=0, NotChecked=0, Total=600 [2021-06-16 23:47:35,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:47:35,831 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:47:35,831 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.44) internal successors, (36), 24 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:47:35,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:47:35,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:35,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:35,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:47:35,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:47:35,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:47:35,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:47:35,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:47:35,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:47:35,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:47:35,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:47:35,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:47:35,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:47:36,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:47:36,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:36,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:36,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:47:36,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:47:36,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:47:36,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:47:36,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:47:36,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:47:36,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:47:36,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:47:36,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:47:36,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 23:47:36,680 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable314 [2021-06-16 23:47:36,680 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:47:36,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:47:36,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1730972682, now seen corresponding path program 12 times [2021-06-16 23:47:36,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:47:36,681 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983680197] [2021-06-16 23:47:36,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:47:36,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:47:36,842 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-16 23:47:36,842 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:47:36,842 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983680197] [2021-06-16 23:47:36,842 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983680197] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:47:36,843 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1254037506] [2021-06-16 23:47:36,843 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:47:36,891 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-06-16 23:47:36,891 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:47:36,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-16 23:47:36,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:47:37,166 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:47:37,167 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1254037506] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:47:37,167 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:47:37,167 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 26 [2021-06-16 23:47:37,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818605083] [2021-06-16 23:47:37,167 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-16 23:47:37,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:47:37,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-16 23:47:37,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=638, Unknown=0, NotChecked=0, Total=702 [2021-06-16 23:47:37,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:47:37,168 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:47:37,169 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.4074074074074074) internal successors, (38), 26 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:47:37,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:47:37,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:37,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:37,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:47:37,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:47:37,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:47:37,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:47:37,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:47:37,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:47:37,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:47:37,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:47:37,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:47:37,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 23:47:37,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:47:37,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:47:37,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:37,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:37,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:47:37,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:47:37,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:47:37,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:47:37,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:47:37,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:47:37,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:47:37,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:47:37,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:47:37,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 23:47:37,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 23:47:37,802 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable315,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:47:37,802 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:47:37,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:47:37,802 INFO L82 PathProgramCache]: Analyzing trace with hash 527346090, now seen corresponding path program 13 times [2021-06-16 23:47:37,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:47:37,803 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395577549] [2021-06-16 23:47:37,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:47:37,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:47:37,974 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-16 23:47:37,975 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:47:37,975 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395577549] [2021-06-16 23:47:37,975 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395577549] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:47:37,975 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1099550876] [2021-06-16 23:47:37,975 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:47:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:47:38,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-16 23:47:38,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:47:38,211 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-16 23:47:38,212 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1099550876] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:47:38,212 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:47:38,212 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-06-16 23:47:38,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001012399] [2021-06-16 23:47:38,212 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-16 23:47:38,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:47:38,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-16 23:47:38,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=493, Unknown=0, NotChecked=0, Total=552 [2021-06-16 23:47:38,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:47:38,213 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:47:38,214 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:47:38,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:47:38,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:38,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:38,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:47:38,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:47:38,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:47:38,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:47:38,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:47:38,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:47:38,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:47:38,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:47:38,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:47:38,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 23:47:38,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 23:47:38,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:47:38,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 23:47:38,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:38,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:47:38,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:47:38,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:47:38,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:47:38,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:47:38,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:47:38,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:47:38,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:47:38,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:47:38,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:47:38,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 23:47:38,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 23:47:38,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 23:47:38,747 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable316 [2021-06-16 23:47:38,747 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:47:38,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:47:38,747 INFO L82 PathProgramCache]: Analyzing trace with hash 1869627402, now seen corresponding path program 14 times [2021-06-16 23:47:38,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:47:38,748 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492636353] [2021-06-16 23:47:38,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:47:38,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:47:38,871 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:47:38,871 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:47:38,871 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492636353] [2021-06-16 23:47:38,871 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492636353] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:47:38,871 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092794952] [2021-06-16 23:47:38,872 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:47:38,911 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 23:47:38,911 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:47:38,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 37 conjunts are in the unsatisfiable core [2021-06-16 23:47:38,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:47:39,604 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-06-16 23:47:39,604 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 23:47:39,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 23 new quantified variables, introduced 66 case distinctions, treesize of input 55 treesize of output 568 [2021-06-16 23:47:40,725 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 380 [2021-06-16 23:47:40,909 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 383 [2021-06-16 23:47:42,108 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 271 [2021-06-16 23:47:42,510 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 513 [2021-06-16 23:47:42,760 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 516 [2021-06-16 23:47:43,213 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 757 [2021-06-16 23:47:43,790 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 938 DAG size of output: 782 [2021-06-16 23:47:44,849 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 397 [2021-06-16 23:47:45,033 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 432 [2021-06-16 23:47:45,261 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 439 [2021-06-16 23:47:46,068 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 387 [2021-06-16 23:47:46,824 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 392 [2021-06-16 23:47:47,108 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 687 [2021-06-16 23:47:47,473 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 720 [2021-06-16 23:47:47,915 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 760 DAG size of output: 727 [2021-06-16 23:47:48,663 WARN L205 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 1118 DAG size of output: 985 [2021-06-16 23:47:49,539 WARN L205 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 1140 DAG size of output: 1008 [2021-06-16 23:47:51,059 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1924 DAG size of output: 1536 [2021-06-16 23:47:52,265 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 483 [2021-06-16 23:47:52,469 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 486 [2021-06-16 23:47:53,279 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 347 [2021-06-16 23:47:53,664 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 711 [2021-06-16 23:47:54,133 WARN L205 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 737 [2021-06-16 23:47:54,914 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 367 [2021-06-16 23:47:55,061 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 402 [2021-06-16 23:47:55,251 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 408 [2021-06-16 23:47:56,563 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 363 [2021-06-16 23:47:56,797 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 657 [2021-06-16 23:47:57,104 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 690 [2021-06-16 23:47:57,483 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 696 [2021-06-16 23:47:58,124 WARN L205 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 1082 DAG size of output: 940 [2021-06-16 23:47:58,875 WARN L205 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 964 [2021-06-16 23:48:00,214 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1466 [2021-06-16 23:48:03,559 WARN L205 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 3619 DAG size of output: 2834 [2021-06-16 23:48:07,421 WARN L205 SmtUtils]: Spent 3.85 s on a formula simplification. DAG size of input: 3664 DAG size of output: 2879 [2021-06-16 23:48:11,814 WARN L205 SmtUtils]: Spent 4.38 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-06-16 23:48:16,168 WARN L205 SmtUtils]: Spent 4.34 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-06-16 23:48:21,410 WARN L205 SmtUtils]: Spent 5.23 s on a formula simplification. DAG size of input: 3707 DAG size of output: 2922 [2021-06-16 23:48:26,236 WARN L205 SmtUtils]: Spent 4.80 s on a formula simplification. DAG size of input: 2924 DAG size of output: 2915 [2021-06-16 23:48:31,407 WARN L205 SmtUtils]: Spent 5.15 s on a formula simplification. DAG size of input: 2912 DAG size of output: 3217 [2021-06-16 23:48:39,443 WARN L205 SmtUtils]: Spent 8.02 s on a formula simplification. DAG size of input: 2696 DAG size of output: 3553 [2021-06-16 23:48:39,615 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 2516 [2021-06-16 23:48:40,755 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 278 [2021-06-16 23:48:42,633 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 2495 DAG size of output: 2494 [2021-06-16 23:48:49,221 WARN L205 SmtUtils]: Spent 6.57 s on a formula simplification. DAG size of input: 2493 DAG size of output: 3700 [2021-06-16 23:48:49,515 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 2169 DAG size of output: 2169 [2021-06-16 23:48:49,799 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 2126 DAG size of output: 2126 [2021-06-16 23:48:50,771 WARN L205 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 977 [2021-06-16 23:48:51,139 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 339 [2021-06-16 23:48:52,903 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 257 [2021-06-16 23:48:53,202 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 340 [2021-06-16 23:48:53,507 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 396 [2021-06-16 23:48:53,978 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 592 [2021-06-16 23:48:54,864 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 185 [2021-06-16 23:48:55,000 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 243 [2021-06-16 23:48:55,366 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 265 [2021-06-16 23:48:55,680 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 425 [2021-06-16 23:48:56,156 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 623 [2021-06-16 23:48:57,230 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 1090 DAG size of output: 844 [2021-06-16 23:48:58,470 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 253 [2021-06-16 23:48:58,718 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 322 [2021-06-16 23:48:59,020 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 350 [2021-06-16 23:48:59,981 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 285 [2021-06-16 23:49:00,226 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 391 [2021-06-16 23:49:00,543 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 449 [2021-06-16 23:49:01,444 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 238 [2021-06-16 23:49:01,638 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 360 [2021-06-16 23:49:01,901 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 396 [2021-06-16 23:49:02,239 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 455 [2021-06-16 23:49:02,984 WARN L205 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 659 [2021-06-16 23:49:03,999 WARN L205 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 827 DAG size of output: 710 [2021-06-16 23:49:04,891 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 245 [2021-06-16 23:49:05,073 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 305 [2021-06-16 23:49:05,302 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 409 [2021-06-16 23:49:05,611 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 472 [2021-06-16 23:49:06,617 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 221 [2021-06-16 23:49:06,774 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 275 [2021-06-16 23:49:06,978 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 374 [2021-06-16 23:49:07,251 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 411 [2021-06-16 23:49:07,603 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 475 [2021-06-16 23:49:08,324 WARN L205 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 714 [2021-06-16 23:49:10,189 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 1682 DAG size of output: 1237 [2021-06-16 23:49:13,143 WARN L205 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 2518 DAG size of output: 1697 [2021-06-16 23:49:16,623 WARN L205 SmtUtils]: Spent 3.47 s on a formula simplification. DAG size of input: 2537 DAG size of output: 1736 [2021-06-16 23:49:21,209 WARN L205 SmtUtils]: Spent 4.57 s on a formula simplification. DAG size of input: 2890 DAG size of output: 1831 [2021-06-16 23:49:22,320 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 700 DAG size of output: 1050 [2021-06-16 23:49:22,695 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 660 [2021-06-16 23:49:23,297 WARN L205 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 647 DAG size of output: 823 [2021-06-16 23:49:24,367 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 257 [2021-06-16 23:49:24,581 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 285 [2021-06-16 23:49:24,861 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 348 [2021-06-16 23:49:25,264 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 513 [2021-06-16 23:49:25,457 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 429 [2021-06-16 23:49:26,434 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 283 [2021-06-16 23:49:26,630 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 309 [2021-06-16 23:49:27,566 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 270 [2021-06-16 23:49:27,730 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 296 [2021-06-16 23:49:28,122 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 492 [2021-06-16 23:49:28,669 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 624 [2021-06-16 23:49:29,479 WARN L205 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 814 [2021-06-16 23:49:30,718 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 1338 DAG size of output: 1058 [2021-06-16 23:49:32,426 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 1723 DAG size of output: 1396 [2021-06-16 23:49:33,143 WARN L205 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 828 [2021-06-16 23:49:33,772 WARN L205 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 766 [2021-06-16 23:49:34,154 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 639 [2021-06-16 23:49:34,264 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 332 [2021-06-16 23:49:35,834 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 224 [2021-06-16 23:49:36,024 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 248 [2021-06-16 23:49:36,269 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 212 [2021-06-16 23:49:36,739 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 388 [2021-06-16 23:49:37,711 WARN L205 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 707 [2021-06-16 23:49:39,120 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1357 DAG size of output: 863 [2021-06-16 23:49:40,519 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 1729 DAG size of output: 1197 [2021-06-16 23:49:43,901 WARN L205 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 2363 DAG size of output: 1672 [2021-06-16 23:49:47,782 WARN L205 SmtUtils]: Spent 3.87 s on a formula simplification. DAG size of input: 2424 DAG size of output: 1716 [2021-06-16 23:49:53,468 WARN L205 SmtUtils]: Spent 5.68 s on a formula simplification. DAG size of input: 2831 DAG size of output: 1844 [2021-06-16 23:50:04,753 WARN L205 SmtUtils]: Spent 11.27 s on a formula simplification. DAG size of input: 5382 DAG size of output: 3237 [2021-06-16 23:50:06,041 WARN L205 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 707 DAG size of output: 1000 [2021-06-16 23:50:06,605 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 712 [2021-06-16 23:50:07,391 WARN L205 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 877 [2021-06-16 23:50:07,893 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 729 [2021-06-16 23:50:08,728 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 262 [2021-06-16 23:50:08,944 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 300 [2021-06-16 23:50:09,167 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 374 [2021-06-16 23:50:10,058 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 229 [2021-06-16 23:50:10,910 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 344 [2021-06-16 23:50:11,847 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 334 [2021-06-16 23:50:12,969 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 369 [2021-06-16 23:50:13,401 WARN L205 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 560 [2021-06-16 23:50:14,201 WARN L205 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 902 DAG size of output: 726 [2021-06-16 23:50:15,200 WARN L205 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 962 DAG size of output: 768 [2021-06-16 23:50:16,426 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 1071 DAG size of output: 879 [2021-06-16 23:50:17,725 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1304 DAG size of output: 904 [2021-06-16 23:50:19,671 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 1744 DAG size of output: 1304 [2021-06-16 23:50:22,259 WARN L205 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 2015 DAG size of output: 1655 [2021-06-16 23:50:23,108 WARN L205 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 879 [2021-06-16 23:50:23,474 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 490 [2021-06-16 23:50:23,766 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 491 [2021-06-16 23:50:25,040 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 260 [2021-06-16 23:50:25,928 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 289 [2021-06-16 23:50:26,197 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 317 [2021-06-16 23:50:26,594 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 433 [2021-06-16 23:50:27,318 WARN L205 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 821 DAG size of output: 666 [2021-06-16 23:50:28,370 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 945 DAG size of output: 803 [2021-06-16 23:50:28,550 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 354 [2021-06-16 23:50:29,248 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 338 [2021-06-16 23:50:29,428 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 377 [2021-06-16 23:50:29,710 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 443 [2021-06-16 23:50:30,982 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 1314 DAG size of output: 1007 [2021-06-16 23:50:32,851 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 1586 DAG size of output: 1355 [2021-06-16 23:50:37,737 WARN L205 SmtUtils]: Spent 4.88 s on a formula simplification. DAG size of input: 2617 DAG size of output: 2064 [2021-06-16 23:50:44,410 WARN L205 SmtUtils]: Spent 6.66 s on a formula simplification. DAG size of input: 2989 DAG size of output: 2220 [2021-06-16 23:50:52,032 WARN L205 SmtUtils]: Spent 7.61 s on a formula simplification. DAG size of input: 3049 DAG size of output: 2305 [2021-06-16 23:50:52,802 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 573 [2021-06-16 23:50:53,502 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 296 [2021-06-16 23:50:53,678 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 358 [2021-06-16 23:50:54,393 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 451 [2021-06-16 23:50:55,335 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 215 [2021-06-16 23:50:55,488 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 254 [2021-06-16 23:50:55,716 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 348 [2021-06-16 23:50:56,010 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 399 [2021-06-16 23:50:56,384 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 425 [2021-06-16 23:50:56,840 WARN L205 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 485 [2021-06-16 23:50:57,388 WARN L205 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 521 [2021-06-16 23:50:58,656 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 328 [2021-06-16 23:50:58,912 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 369 [2021-06-16 23:50:59,256 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 394 [2021-06-16 23:50:59,738 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 433 [2021-06-16 23:51:00,270 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 517 [2021-06-16 23:51:00,916 WARN L205 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 580 [2021-06-16 23:51:02,236 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 978 DAG size of output: 863 [2021-06-16 23:51:03,185 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 202 [2021-06-16 23:51:03,344 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 256 [2021-06-16 23:51:03,633 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 384 [2021-06-16 23:51:03,958 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 442 [2021-06-16 23:51:04,146 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 292 [2021-06-16 23:51:04,799 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 328 [2021-06-16 23:51:05,025 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 391 [2021-06-16 23:51:05,315 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 450 [2021-06-16 23:51:06,008 WARN L205 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 639 [2021-06-16 23:51:07,093 WARN L205 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 800 DAG size of output: 715 [2021-06-16 23:51:09,582 WARN L205 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 1872 DAG size of output: 1482 [2021-06-16 23:51:12,821 WARN L205 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 2070 DAG size of output: 1568 [2021-06-16 23:51:12,958 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 361 [2021-06-16 23:51:13,551 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 344 [2021-06-16 23:51:13,749 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 367 [2021-06-16 23:51:14,334 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 246 [2021-06-16 23:51:14,681 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 486 [2021-06-16 23:51:15,750 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 243 [2021-06-16 23:51:15,899 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 266 [2021-06-16 23:51:16,091 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 324 [2021-06-16 23:51:16,383 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 457 [2021-06-16 23:51:16,786 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 599 [2021-06-16 23:51:17,667 WARN L205 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 817 [2021-06-16 23:51:18,911 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 1006 DAG size of output: 867 [2021-06-16 23:51:19,988 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 318 [2021-06-16 23:51:20,164 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 388 [2021-06-16 23:51:20,401 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 406 [2021-06-16 23:51:20,683 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 422 [2021-06-16 23:51:21,067 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 470 [2021-06-16 23:51:22,854 WARN L205 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 1433 DAG size of output: 1082 [2021-06-16 23:51:28,117 WARN L205 SmtUtils]: Spent 5.26 s on a formula simplification. DAG size of input: 2994 DAG size of output: 2129 [2021-06-16 23:51:34,186 WARN L205 SmtUtils]: Spent 6.05 s on a formula simplification. DAG size of input: 3038 DAG size of output: 2179 [2021-06-16 23:51:49,269 WARN L205 SmtUtils]: Spent 15.07 s on a formula simplification. DAG size of input: 5719 DAG size of output: 3928 [2021-06-16 23:52:18,056 WARN L205 SmtUtils]: Spent 28.76 s on a formula simplification. DAG size of input: 8989 DAG size of output: 5710 [2021-06-16 23:52:19,100 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 329 [2021-06-16 23:52:19,296 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 340 [2021-06-16 23:52:51,530 WARN L205 SmtUtils]: Spent 32.22 s on a formula simplification. DAG size of input: 9287 DAG size of output: 5929 [2021-06-16 23:53:29,805 WARN L205 SmtUtils]: Spent 38.23 s on a formula simplification. DAG size of input: 10982 DAG size of output: 7649 [2021-06-16 23:53:30,925 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 295 [2021-06-16 23:53:31,130 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 410 [2021-06-16 23:53:31,388 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 416 [2021-06-16 23:54:10,211 WARN L205 SmtUtils]: Spent 38.80 s on a formula simplification. DAG size of input: 11394 DAG size of output: 7943 [2021-06-16 23:54:49,908 WARN L205 SmtUtils]: Spent 39.64 s on a formula simplification. DAG size of input: 11649 DAG size of output: 8097 [2021-06-16 23:55:37,071 WARN L205 SmtUtils]: Spent 47.10 s on a formula simplification. DAG size of input: 12976 DAG size of output: 9218 [2021-06-16 23:55:40,711 WARN L205 SmtUtils]: Spent 3.59 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1636 [2021-06-16 23:55:40,877 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 1238 [2021-06-16 23:55:42,356 WARN L205 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 1217 DAG size of output: 1216 [2021-06-16 23:55:45,986 WARN L205 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 1215 DAG size of output: 1779 [2021-06-16 23:55:46,141 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 1093 DAG size of output: 1093 [2021-06-16 23:55:46,302 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 1052 DAG size of output: 1052 [2021-06-16 23:55:47,408 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 686 DAG size of output: 991 [2021-06-16 23:55:48,120 WARN L205 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 739 [2021-06-16 23:55:49,133 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 679 DAG size of output: 766 [2021-06-16 23:55:49,920 WARN L205 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 791 [2021-06-16 23:55:50,262 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 441 [2021-06-16 23:55:51,022 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2021-06-16 23:55:51,200 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 291 [2021-06-16 23:55:51,601 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 348 [2021-06-16 23:55:51,960 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 453 [2021-06-16 23:55:52,392 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 477 [2021-06-16 23:55:53,997 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 417 [2021-06-16 23:55:54,317 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 435 [2021-06-16 23:55:55,142 WARN L205 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 758 [2021-06-16 23:55:56,215 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 1152 DAG size of output: 843 [2021-06-16 23:55:57,678 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1015 [2021-06-16 23:55:58,590 WARN L205 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 765 [2021-06-16 23:55:59,693 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 675 DAG size of output: 790 [2021-06-16 23:55:59,997 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 428 [2021-06-16 23:56:00,692 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 281 [2021-06-16 23:56:00,911 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 391 [2021-06-16 23:56:01,262 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 464 [2021-06-16 23:56:01,523 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 267 [2021-06-16 23:56:02,184 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2021-06-16 23:56:02,368 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2021-06-16 23:56:03,201 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 265 [2021-06-16 23:56:03,386 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 290 [2021-06-16 23:56:03,805 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 384 [2021-06-16 23:56:03,940 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 242 [2021-06-16 23:56:04,763 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 261 [2021-06-16 23:56:05,288 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 319 [2021-06-16 23:56:05,586 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 344 [2021-06-16 23:56:06,393 WARN L205 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 516 [2021-06-16 23:56:07,428 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 592 DAG size of output: 578 [2021-06-16 23:56:08,762 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 819 DAG size of output: 697 [2021-06-16 23:56:10,530 WARN L205 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 1184 DAG size of output: 905 [2021-06-16 23:56:12,798 WARN L205 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 1312 DAG size of output: 996 [2021-06-16 23:56:15,575 WARN L205 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 1416 DAG size of output: 1170 [2021-06-16 23:56:20,344 WARN L205 SmtUtils]: Spent 4.76 s on a formula simplification. DAG size of input: 1833 DAG size of output: 1517 [2021-06-16 23:56:26,665 WARN L205 SmtUtils]: Spent 6.31 s on a formula simplification. DAG size of input: 2174 DAG size of output: 1614 [2021-06-16 23:56:27,075 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 546 [2021-06-16 23:56:27,273 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 391 [2021-06-16 23:56:27,483 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 417 [2021-06-16 23:56:27,834 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 455 [2021-06-16 23:56:29,446 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 216 [2021-06-16 23:56:29,630 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 246 [2021-06-16 23:56:29,887 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 330 [2021-06-16 23:56:30,289 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 656 DAG size of output: 454 [2021-06-16 23:56:30,838 WARN L205 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 836 DAG size of output: 572 [2021-06-16 23:56:30,962 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 304 [2021-06-16 23:56:31,132 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 323 [2021-06-16 23:56:31,235 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 263 [2021-06-16 23:56:32,385 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 162 [2021-06-16 23:56:32,560 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 220 [2021-06-16 23:56:32,765 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 247 [2021-06-16 23:56:33,067 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 336 [2021-06-16 23:56:33,456 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 404 [2021-06-16 23:56:34,090 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 290 [2021-06-16 23:56:34,704 WARN L205 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 847 DAG size of output: 578 [2021-06-16 23:56:35,966 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 933 DAG size of output: 641 [2021-06-16 23:56:37,441 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 960 DAG size of output: 668 [2021-06-16 23:56:39,507 WARN L205 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 1138 DAG size of output: 701 [2021-06-16 23:56:39,743 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 487 [2021-06-16 23:56:40,005 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-06-16 23:56:40,186 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-06-16 23:56:40,386 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 362 [2021-06-16 23:56:41,534 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 219 [2021-06-16 23:56:41,737 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 243 [2021-06-16 23:56:41,994 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 341 [2021-06-16 23:56:42,362 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 403 [2021-06-16 23:56:42,847 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 476 [2021-06-16 23:56:43,032 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-06-16 23:56:43,212 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-06-16 23:56:44,344 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 313 [2021-06-16 23:56:44,531 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 333 [2021-06-16 23:56:44,799 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 401 [2021-06-16 23:56:45,195 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 471 [2021-06-16 23:56:46,188 WARN L205 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 837 DAG size of output: 632 [2021-06-16 23:56:47,537 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 1009 DAG size of output: 667 [2021-06-16 23:56:51,005 WARN L205 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 1961 DAG size of output: 1076 [2021-06-16 23:57:00,946 WARN L205 SmtUtils]: Spent 9.93 s on a formula simplification. DAG size of input: 3390 DAG size of output: 2173 [2021-06-16 23:57:12,412 WARN L205 SmtUtils]: Spent 11.09 s on a formula simplification. DAG size of input: 3507 DAG size of output: 2263 [2021-06-16 23:57:25,456 WARN L205 SmtUtils]: Spent 13.02 s on a formula simplification. DAG size of input: 4235 DAG size of output: 2787 [2021-06-16 23:57:38,811 WARN L205 SmtUtils]: Spent 13.34 s on a formula simplification. DAG size of input: 4456 DAG size of output: 2926 [2021-06-16 23:57:52,371 WARN L205 SmtUtils]: Spent 13.54 s on a formula simplification. DAG size of input: 4635 DAG size of output: 3051 [2021-06-16 23:58:07,872 WARN L205 SmtUtils]: Spent 15.48 s on a formula simplification. DAG size of input: 5120 DAG size of output: 3306 [2021-06-16 23:59:12,840 WARN L205 SmtUtils]: Spent 1.08 m on a formula simplification. DAG size of input: 16679 DAG size of output: 11341 [2021-06-17 00:00:24,789 WARN L205 SmtUtils]: Spent 1.20 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 [2021-06-17 00:01:38,068 WARN L205 SmtUtils]: Spent 1.22 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