/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 22:33:15,808 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 22:33:15,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 22:33:15,829 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 22:33:15,875 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random521.epf [2021-07-14 22:33:15,898 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 22:33:15,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 22:33:15,899 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 22:33:15,899 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 22:33:15,901 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 22:33:15,901 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 22:33:15,901 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 22:33:15,901 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 22:33:15,901 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 22:33:15,901 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 22:33:15,902 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 22:33:15,902 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 22:33:15,902 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 22:33:15,902 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 22:33:15,902 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 22:33:15,902 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 22:33:15,902 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 22:33:15,902 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 22:33:15,902 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 22:33:15,903 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 22:33:15,903 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 22:33:15,903 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 22:33:15,903 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 22:33:15,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 22:33:15,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 22:33:15,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 22:33:15,903 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 22:33:15,914 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 22:33:15,914 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-14 22:33:15,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 22:33:15,915 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 22:33:15,915 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 22:33:15,915 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 22:33:15,915 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 22:33:15,915 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-14 22:33:15,915 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 22:33:16,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 22:33:16,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 22:33:16,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 22:33:16,161 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 22:33:16,162 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 22:33:16,163 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-3.wvr.bpl [2021-07-14 22:33:16,163 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-3.wvr.bpl' [2021-07-14 22:33:16,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 22:33:16,184 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 22:33:16,185 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 22:33:16,185 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 22:33:16,185 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 22:33:16,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:33:16" (1/1) ... [2021-07-14 22:33:16,199 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:33:16" (1/1) ... [2021-07-14 22:33:16,204 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 22:33:16,205 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 22:33:16,205 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 22:33:16,205 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 22:33:16,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:33:16" (1/1) ... [2021-07-14 22:33:16,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:33:16" (1/1) ... [2021-07-14 22:33:16,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:33:16" (1/1) ... [2021-07-14 22:33:16,212 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:33:16" (1/1) ... [2021-07-14 22:33:16,214 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:33:16" (1/1) ... [2021-07-14 22:33:16,218 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:33:16" (1/1) ... [2021-07-14 22:33:16,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:33:16" (1/1) ... [2021-07-14 22:33:16,223 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 22:33:16,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 22:33:16,224 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 22:33:16,224 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 22:33:16,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:33:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 22:33:16,293 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 22:33:16,293 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 22:33:16,293 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 22:33:16,293 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 22:33:16,293 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 22:33:16,294 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 22:33:16,294 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 22:33:16,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 22:33:16,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 22:33:16,294 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 22:33:16,544 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 22:33:16,544 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-14 22:33:16,545 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-14 22:33:16,546 INFO L202 PluginConnector]: Adding new model unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 10:33:16 BoogieIcfgContainer [2021-07-14 22:33:16,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 22:33:16,547 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 22:33:16,548 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 22:33:16,549 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 22:33:16,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:33:16" (1/2) ... [2021-07-14 22:33:16,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a8238d2 and model type unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 10:33:16, skipping insertion in model container [2021-07-14 22:33:16,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 10:33:16" (2/2) ... [2021-07-14 22:33:16,551 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-3.wvr.bpl [2021-07-14 22:33:16,555 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 22:33:16,555 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 22:33:16,555 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 22:33:16,555 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 22:33:16,583 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 22:33:16,597 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 22:33:16,637 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 22:33:16,638 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 22:33:16,638 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 22:33:16,638 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 22:33:16,638 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 22:33:16,638 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 22:33:16,638 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 22:33:16,638 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 22:33:16,669 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:33:16,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:33:16,673 INFO L82 PathProgramCache]: Analyzing trace with hash 580194151, now seen corresponding path program 1 times [2021-07-14 22:33:16,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:33:16,678 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067348964] [2021-07-14 22:33:16,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:33:16,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:33:16,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:33:16,843 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:33:16,843 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067348964] [2021-07-14 22:33:16,844 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067348964] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 22:33:16,844 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 22:33:16,844 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-14 22:33:16,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80529609] [2021-07-14 22:33:16,847 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 22:33:16,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:33:16,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 22:33:16,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-07-14 22:33:16,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:33:16,856 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:33:16,859 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:33:16,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:33:16,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:33:16,888 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 22:33:16,888 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:33:16,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:33:16,889 INFO L82 PathProgramCache]: Analyzing trace with hash 702255495, now seen corresponding path program 1 times [2021-07-14 22:33:16,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:33:16,889 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781080459] [2021-07-14 22:33:16,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:33:16,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:33:16,934 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 22:33:16,934 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:33:16,934 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781080459] [2021-07-14 22:33:16,935 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781080459] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:33:16,935 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1135545292] [2021-07-14 22:33:16,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:33:16,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:33:16,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-14 22:33:16,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:33:17,042 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:33:17,042 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1135545292] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:33:17,042 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:33:17,042 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4] total 6 [2021-07-14 22:33:17,043 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636471318] [2021-07-14 22:33:17,043 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 22:33:17,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:33:17,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 22:33:17,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-07-14 22:33:17,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:33:17,044 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:33:17,045 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:33:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:33:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:33:17,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:33:17,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:33:17,304 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:33:17,305 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:33:17,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:33:17,306 INFO L82 PathProgramCache]: Analyzing trace with hash -595136377, now seen corresponding path program 1 times [2021-07-14 22:33:17,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:33:17,306 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889546505] [2021-07-14 22:33:17,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:33:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:33:17,349 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 22:33:17,349 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:33:17,349 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889546505] [2021-07-14 22:33:17,349 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889546505] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:33:17,349 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604333276] [2021-07-14 22:33:17,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:33:17,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:33:17,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 22:33:17,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:33:17,488 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:33:17,489 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [604333276] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:33:17,489 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:33:17,489 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2021-07-14 22:33:17,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607800180] [2021-07-14 22:33:17,489 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 22:33:17,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:33:17,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 22:33:17,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-07-14 22:33:17,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:33:17,491 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:33:17,492 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:33:17,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:33:17,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:33:17,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:33:17,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:33:17,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:33:17,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:33:17,808 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:33:17,809 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:33:17,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:33:17,809 INFO L82 PathProgramCache]: Analyzing trace with hash 834301575, now seen corresponding path program 2 times [2021-07-14 22:33:17,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:33:17,810 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339252099] [2021-07-14 22:33:17,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:33:17,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:33:17,943 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:33:17,944 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:33:17,944 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339252099] [2021-07-14 22:33:17,944 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339252099] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:33:17,944 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1380244975] [2021-07-14 22:33:17,944 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-07-14 22:33:17,983 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 22:33:17,983 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:33:17,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 35 conjunts are in the unsatisfiable core [2021-07-14 22:33:17,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:33:18,408 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:33:18,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 31 treesize of output 142 [2021-07-14 22:33:18,800 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:33:18,957 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2021-07-14 22:33:18,958 INFO L354 Elim1Store]: treesize reduction 24, result has 85.8 percent of original size [2021-07-14 22:33:18,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 33 treesize of output 169 [2021-07-14 22:33:19,151 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-14 22:33:19,158 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 22:33:19,159 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 22:33:19,173 INFO L628 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2021-07-14 22:33:19,174 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 22:33:19,174 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:115, output treesize:15 [2021-07-14 22:33:19,202 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:33:19,202 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1380244975] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:33:19,202 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:33:19,202 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2021-07-14 22:33:19,202 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411903408] [2021-07-14 22:33:19,203 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-14 22:33:19,203 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:33:19,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-14 22:33:19,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=443, Unknown=0, NotChecked=0, Total=506 [2021-07-14 22:33:19,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:33:19,206 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:33:19,206 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.391304347826087) internal successors, (32), 22 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:33:19,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:33:19,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:33:19,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:33:19,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:33:19,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:33:19,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:33:19,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:33:19,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:33:20,085 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:33:20,085 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:33:20,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:33:20,086 INFO L82 PathProgramCache]: Analyzing trace with hash -416561401, now seen corresponding path program 3 times [2021-07-14 22:33:20,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:33:20,086 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931796495] [2021-07-14 22:33:20,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:33:20,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:33:20,247 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 36 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:33:20,247 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:33:20,247 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931796495] [2021-07-14 22:33:20,248 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931796495] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:33:20,248 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [970072412] [2021-07-14 22:33:20,248 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:33:20,281 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-14 22:33:20,281 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:33:20,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 22:33:20,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:33:20,428 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 3 proven. 45 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-07-14 22:33:20,428 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [970072412] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:33:20,428 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:33:20,428 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 11] total 26 [2021-07-14 22:33:20,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674799853] [2021-07-14 22:33:20,430 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-14 22:33:20,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:33:20,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-14 22:33:20,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=514, Unknown=0, NotChecked=0, Total=702 [2021-07-14 22:33:20,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:33:20,431 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:33:20,431 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.5185185185185186) internal successors, (41), 26 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:33:20,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:33:20,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:33:20,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:33:20,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:33:20,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:33:20,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:33:20,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:33:20,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:33:20,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:33:20,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 22:33:21,001 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable104 [2021-07-14 22:33:21,001 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:33:21,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:33:21,002 INFO L82 PathProgramCache]: Analyzing trace with hash 581255943, now seen corresponding path program 4 times [2021-07-14 22:33:21,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:33:21,002 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799998033] [2021-07-14 22:33:21,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:33:21,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:33:21,265 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 36 proven. 124 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:33:21,265 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:33:21,265 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799998033] [2021-07-14 22:33:21,265 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799998033] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:33:21,265 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1240776190] [2021-07-14 22:33:21,265 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:33:21,304 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 22:33:21,304 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:33:21,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-14 22:33:21,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:33:21,399 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 45 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:33:21,399 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1240776190] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:33:21,399 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:33:21,399 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 27 [2021-07-14 22:33:21,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118390939] [2021-07-14 22:33:21,400 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-14 22:33:21,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:33:21,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-14 22:33:21,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=552, Unknown=0, NotChecked=0, Total=756 [2021-07-14 22:33:21,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:33:21,401 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:33:21,402 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 27 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) [2021-07-14 22:33:21,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:33:21,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:33:21,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:33:21,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:33:21,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 22:33:21,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:33:21,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:33:21,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:33:21,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:33:21,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:33:21,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 22:33:21,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 22:33:21,925 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:33:21,925 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:33:21,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:33:21,926 INFO L82 PathProgramCache]: Analyzing trace with hash 803039999, now seen corresponding path program 5 times [2021-07-14 22:33:21,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:33:21,926 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544107352] [2021-07-14 22:33:21,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:33:21,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:33:22,237 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 36 proven. 139 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:33:22,237 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:33:22,237 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544107352] [2021-07-14 22:33:22,237 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544107352] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:33:22,237 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664796119] [2021-07-14 22:33:22,237 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:33:22,278 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-07-14 22:33:22,278 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:33:22,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-14 22:33:22,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:33:22,360 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 45 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:33:22,360 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [664796119] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:33:22,361 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:33:22,361 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 28 [2021-07-14 22:33:22,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107613436] [2021-07-14 22:33:22,361 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-14 22:33:22,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:33:22,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-14 22:33:22,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=591, Unknown=0, NotChecked=0, Total=812 [2021-07-14 22:33:22,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:33:22,362 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:33:22,362 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 28 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:33:22,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:33:22,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:33:22,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:33:22,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:33:22,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 22:33:22,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 22:33:22,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:33:22,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:33:22,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:33:22,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:33:22,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:33:22,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 22:33:22,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 22:33:22,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:33:22,909 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:33:22,909 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:33:22,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:33:22,910 INFO L82 PathProgramCache]: Analyzing trace with hash -911588857, now seen corresponding path program 6 times [2021-07-14 22:33:22,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:33:22,910 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730797371] [2021-07-14 22:33:22,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:33:22,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:33:23,239 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 36 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:33:23,239 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:33:23,240 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730797371] [2021-07-14 22:33:23,240 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730797371] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:33:23,240 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1937210839] [2021-07-14 22:33:23,240 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:33:23,283 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-07-14 22:33:23,283 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:33:23,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 28 conjunts are in the unsatisfiable core [2021-07-14 22:33:23,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:33:23,365 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 45 proven. 146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:33:23,365 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1937210839] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:33:23,366 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:33:23,366 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 29 [2021-07-14 22:33:23,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889922127] [2021-07-14 22:33:23,366 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-14 22:33:23,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:33:23,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-14 22:33:23,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=631, Unknown=0, NotChecked=0, Total=870 [2021-07-14 22:33:23,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:33:23,367 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:33:23,367 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 29 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:33:23,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:33:23,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:33:23,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:33:23,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:33:23,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 22:33:23,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 22:33:23,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:33:23,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:33:23,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:33:23,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:33:23,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:33:23,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:33:23,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 22:33:23,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 22:33:23,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:33:23,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:33:23,900 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable107 [2021-07-14 22:33:23,901 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:33:23,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:33:23,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1769491455, now seen corresponding path program 7 times [2021-07-14 22:33:23,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:33:23,901 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166753421] [2021-07-14 22:33:23,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:33:23,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:33:24,187 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 36 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:33:24,188 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:33:24,188 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166753421] [2021-07-14 22:33:24,188 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166753421] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:33:24,188 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236457023] [2021-07-14 22:33:24,188 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:33:24,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:33:24,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-14 22:33:24,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:33:24,316 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 45 proven. 163 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:33:24,317 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [236457023] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:33:24,317 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:33:24,317 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 30 [2021-07-14 22:33:24,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367481494] [2021-07-14 22:33:24,320 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-14 22:33:24,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:33:24,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-14 22:33:24,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=672, Unknown=0, NotChecked=0, Total=930 [2021-07-14 22:33:24,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:33:24,322 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:33:24,322 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 30 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:33:24,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:33:24,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:33:24,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:33:24,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:33:24,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 22:33:24,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 22:33:24,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:33:24,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:33:24,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:33:24,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:33:24,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:33:24,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:33:24,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:33:24,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 22:33:24,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 22:33:24,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:33:24,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:33:24,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:33:24,877 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:33:24,877 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:33:24,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:33:24,877 INFO L82 PathProgramCache]: Analyzing trace with hash -1016364793, now seen corresponding path program 8 times [2021-07-14 22:33:24,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:33:24,878 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083992405] [2021-07-14 22:33:24,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:33:24,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:33:25,201 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 36 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:33:25,203 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:33:25,203 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083992405] [2021-07-14 22:33:25,203 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083992405] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:33:25,203 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540852105] [2021-07-14 22:33:25,203 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:33:25,241 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 22:33:25,242 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:33:25,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 30 conjunts are in the unsatisfiable core [2021-07-14 22:33:25,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:33:25,338 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 45 proven. 181 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:33:25,339 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540852105] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:33:25,339 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:33:25,339 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 31 [2021-07-14 22:33:25,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607125014] [2021-07-14 22:33:25,339 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-07-14 22:33:25,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:33:25,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-07-14 22:33:25,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=714, Unknown=0, NotChecked=0, Total=992 [2021-07-14 22:33:25,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:33:25,340 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:33:25,341 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 1.3125) internal successors, (42), 31 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:33:25,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:33:25,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:33:25,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:33:25,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:33:25,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 22:33:25,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 22:33:25,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:33:25,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:33:25,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:33:25,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:33:25,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:33:25,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:33:25,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:33:25,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:33:25,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 22:33:25,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 22:33:25,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:33:25,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:33:25,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:33:25,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:33:25,906 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:33:25,906 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:33:25,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:33:25,906 INFO L82 PathProgramCache]: Analyzing trace with hash -1478562561, now seen corresponding path program 9 times [2021-07-14 22:33:25,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:33:25,906 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432665083] [2021-07-14 22:33:25,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:33:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:33:26,242 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 36 proven. 209 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:33:26,242 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:33:26,242 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432665083] [2021-07-14 22:33:26,243 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432665083] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:33:26,243 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [883274283] [2021-07-14 22:33:26,243 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:33:26,300 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-07-14 22:33:26,300 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:33:26,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-14 22:33:26,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:33:26,414 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 45 proven. 200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:33:26,415 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [883274283] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:33:26,415 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:33:26,415 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 32 [2021-07-14 22:33:26,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304852030] [2021-07-14 22:33:26,416 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-14 22:33:26,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:33:26,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-14 22:33:26,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=299, Invalid=757, Unknown=0, NotChecked=0, Total=1056 [2021-07-14 22:33:26,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:33:26,418 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:33:26,418 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 1.303030303030303) internal successors, (43), 32 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:33:26,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:33:26,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:33:26,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:33:26,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:33:26,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 22:33:26,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 22:33:26,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:33:26,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:33:26,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:33:26,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:33:26,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:33:26,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:33:26,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:33:26,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:33:26,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:33:26,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 22:33:26,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 22:33:26,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:33:26,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:33:26,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:33:26,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:33:26,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 22:33:27,028 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable110 [2021-07-14 22:33:27,029 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:33:27,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:33:27,029 INFO L82 PathProgramCache]: Analyzing trace with hash 1373175815, now seen corresponding path program 10 times [2021-07-14 22:33:27,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:33:27,030 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479210018] [2021-07-14 22:33:27,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:33:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:33:27,377 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 36 proven. 229 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:33:27,377 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:33:27,377 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479210018] [2021-07-14 22:33:27,377 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479210018] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:33:27,377 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [860294366] [2021-07-14 22:33:27,377 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:33:27,413 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 22:33:27,414 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:33:27,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 32 conjunts are in the unsatisfiable core [2021-07-14 22:33:27,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:33:27,507 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 45 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:33:27,507 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [860294366] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:33:27,507 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:33:27,507 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 33 [2021-07-14 22:33:27,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733259712] [2021-07-14 22:33:27,508 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-14 22:33:27,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:33:27,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-14 22:33:27,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=321, Invalid=801, Unknown=0, NotChecked=0, Total=1122 [2021-07-14 22:33:27,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:33:27,509 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:33:27,509 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 33 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:33:27,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:33:27,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:33:27,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:33:27,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:33:27,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 22:33:27,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 22:33:27,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:33:27,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:33:27,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:33:27,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:33:27,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 22:33:27,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:33:27,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:33:27,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:33:27,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:33:27,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:33:27,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 22:33:27,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 22:33:27,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:33:27,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:33:27,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:33:27,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:33:27,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 22:33:27,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 22:33:28,076 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable111 [2021-07-14 22:33:28,077 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:33:28,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:33:28,077 INFO L82 PathProgramCache]: Analyzing trace with hash -417247745, now seen corresponding path program 11 times [2021-07-14 22:33:28,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:33:28,077 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174177357] [2021-07-14 22:33:28,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:33:28,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:33:28,449 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 36 proven. 250 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:33:28,449 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:33:28,449 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174177357] [2021-07-14 22:33:28,449 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174177357] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:33:28,449 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953130099] [2021-07-14 22:33:28,449 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:33:28,490 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2021-07-14 22:33:28,490 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:33:28,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 33 conjunts are in the unsatisfiable core [2021-07-14 22:33:28,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:33:28,606 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 45 proven. 241 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:33:28,606 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1953130099] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:33:28,606 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:33:28,606 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 34 [2021-07-14 22:33:28,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144400917] [2021-07-14 22:33:28,607 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 22:33:28,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:33:28,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 22:33:28,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=344, Invalid=846, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 22:33:28,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:33:28,607 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:33:28,608 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 34 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:33:28,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:33:28,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:33:28,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:33:28,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:33:28,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 22:33:28,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 22:33:28,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:33:28,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:33:28,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:33:28,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:33:28,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 22:33:28,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 22:33:28,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:33:28,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:33:28,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:33:28,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:33:28,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:33:28,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 22:33:28,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 22:33:28,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:33:28,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:33:28,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:33:28,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:33:28,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 22:33:28,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 22:33:28,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:33:29,167 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable112 [2021-07-14 22:33:29,167 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:33:29,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:33:29,168 INFO L82 PathProgramCache]: Analyzing trace with hash -85803257, now seen corresponding path program 12 times [2021-07-14 22:33:29,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:33:29,168 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243006486] [2021-07-14 22:33:29,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:33:29,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:33:29,550 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 36 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:33:29,550 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:33:29,550 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243006486] [2021-07-14 22:33:29,550 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243006486] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:33:29,550 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [797865640] [2021-07-14 22:33:29,550 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:33:29,673 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2021-07-14 22:33:29,673 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:33:29,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-14 22:33:29,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:33:29,792 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 45 proven. 263 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:33:29,792 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [797865640] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:33:29,793 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:33:29,793 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 35 [2021-07-14 22:33:29,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655091907] [2021-07-14 22:33:29,793 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-07-14 22:33:29,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:33:29,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-07-14 22:33:29,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=368, Invalid=892, Unknown=0, NotChecked=0, Total=1260 [2021-07-14 22:33:29,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:33:29,794 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:33:29,794 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 35 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:33:29,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:33:29,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:33:29,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:33:29,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:33:29,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 22:33:29,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 22:33:29,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:33:29,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:33:29,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:33:29,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:33:29,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 22:33:29,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 22:33:29,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:33:29,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:33:30,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:33:30,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:33:30,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:33:30,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:33:30,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 22:33:30,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 22:33:30,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:33:30,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:33:30,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:33:30,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:33:30,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 22:33:30,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 22:33:30,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:33:30,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 22:33:30,384 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:33:30,385 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:33:30,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:33:30,385 INFO L82 PathProgramCache]: Analyzing trace with hash 1599041279, now seen corresponding path program 13 times [2021-07-14 22:33:30,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:33:30,385 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984619137] [2021-07-14 22:33:30,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:33:30,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:33:30,770 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 36 proven. 295 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:33:30,770 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:33:30,771 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984619137] [2021-07-14 22:33:30,771 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984619137] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:33:30,771 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408287845] [2021-07-14 22:33:30,771 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:33:30,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:33:30,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 35 conjunts are in the unsatisfiable core [2021-07-14 22:33:30,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:33:30,903 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 45 proven. 286 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:33:30,903 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408287845] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:33:30,903 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:33:30,904 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 36 [2021-07-14 22:33:30,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288866364] [2021-07-14 22:33:30,904 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-14 22:33:30,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:33:30,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-14 22:33:30,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=393, Invalid=939, Unknown=0, NotChecked=0, Total=1332 [2021-07-14 22:33:30,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:33:30,905 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:33:30,905 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 36 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:33:30,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:33:30,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:33:30,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:33:30,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:33:30,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 22:33:30,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 22:33:30,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:33:30,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:33:30,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:33:30,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:33:30,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 22:33:30,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 22:33:30,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:33:30,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 22:33:30,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:33:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:33:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:33:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:33:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:33:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 22:33:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 22:33:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:33:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:33:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:33:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:33:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 22:33:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 22:33:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:33:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 22:33:31,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 22:33:31,496 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable114 [2021-07-14 22:33:31,497 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:33:31,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:33:31,497 INFO L82 PathProgramCache]: Analyzing trace with hash -2005352953, now seen corresponding path program 14 times [2021-07-14 22:33:31,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:33:31,497 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265358140] [2021-07-14 22:33:31,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:33:31,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:33:31,949 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 36 proven. 319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:33:31,949 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:33:31,949 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265358140] [2021-07-14 22:33:31,949 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265358140] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:33:31,949 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1184685709] [2021-07-14 22:33:31,949 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:33:31,986 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 22:33:31,987 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:33:31,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 36 conjunts are in the unsatisfiable core [2021-07-14 22:33:31,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:33:32,100 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 45 proven. 310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:33:32,100 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1184685709] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:33:32,100 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:33:32,100 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36] total 37 [2021-07-14 22:33:32,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082865949] [2021-07-14 22:33:32,100 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-07-14 22:33:32,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:33:32,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-07-14 22:33:32,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=419, Invalid=987, Unknown=0, NotChecked=0, Total=1406 [2021-07-14 22:33:32,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:33:32,101 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:33:32,101 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 1.263157894736842) internal successors, (48), 37 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:33:32,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:33:32,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:33:32,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:33:32,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:33:32,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 22:33:32,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 22:33:32,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:33:32,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:33:32,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:33:32,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:33:32,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 22:33:32,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 22:33:32,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:33:32,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 22:33:32,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 22:33:32,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:33:32,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:33:32,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:33:32,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:33:32,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:33:32,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 22:33:32,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 22:33:32,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:33:32,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:33:32,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:33:32,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:33:32,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 22:33:32,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 22:33:32,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:33:32,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 22:33:32,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 22:33:32,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:33:32,699 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:33:32,699 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:33:32,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:33:32,699 INFO L82 PathProgramCache]: Analyzing trace with hash -2072424449, now seen corresponding path program 15 times [2021-07-14 22:33:32,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:33:32,699 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799269852] [2021-07-14 22:33:32,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:33:32,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:33:33,146 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 36 proven. 344 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:33:33,146 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:33:33,146 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799269852] [2021-07-14 22:33:33,146 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799269852] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:33:33,146 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [955773735] [2021-07-14 22:33:33,147 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:33:33,203 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2021-07-14 22:33:33,203 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:33:33,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 37 conjunts are in the unsatisfiable core [2021-07-14 22:33:33,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:33:33,327 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 45 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:33:33,327 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [955773735] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:33:33,328 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:33:33,328 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 38 [2021-07-14 22:33:33,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333386711] [2021-07-14 22:33:33,328 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-14 22:33:33,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:33:33,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-14 22:33:33,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=446, Invalid=1036, Unknown=0, NotChecked=0, Total=1482 [2021-07-14 22:33:33,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:33:33,329 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:33:33,329 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 38 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:33:33,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:33:33,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:33:33,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:33:33,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:33:33,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 22:33:33,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 22:33:33,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:33:33,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:33:33,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:33:33,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:33:33,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 22:33:33,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 22:33:33,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:33:33,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 22:33:33,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 22:33:33,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:33:33,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:33:33,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:33:33,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:33:33,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:33:33,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:33:33,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 22:33:33,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 22:33:33,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:33:33,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:33:33,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:33:33,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:33:33,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 22:33:33,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 22:33:33,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:33:33,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 22:33:33,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 22:33:33,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:33:33,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 22:33:33,931 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable116 [2021-07-14 22:33:33,931 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:33:33,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:33:33,933 INFO L82 PathProgramCache]: Analyzing trace with hash 143326471, now seen corresponding path program 16 times [2021-07-14 22:33:33,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:33:33,933 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96586178] [2021-07-14 22:33:33,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:33:33,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:33:34,418 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 36 proven. 370 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:33:34,418 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:33:34,418 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96586178] [2021-07-14 22:33:34,418 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96586178] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:33:34,418 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1711037605] [2021-07-14 22:33:34,418 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:33:34,456 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 22:33:34,456 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:33:34,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-14 22:33:34,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:33:34,577 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 45 proven. 361 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:33:34,577 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1711037605] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:33:34,577 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:33:34,577 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 38] total 39 [2021-07-14 22:33:34,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422296384] [2021-07-14 22:33:34,577 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-14 22:33:34,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:33:34,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-14 22:33:34,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=474, Invalid=1086, Unknown=0, NotChecked=0, Total=1560 [2021-07-14 22:33:34,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:33:34,578 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:33:34,578 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.25) internal successors, (50), 39 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:33:34,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:33:34,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:33:34,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:33:34,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:33:34,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 22:33:34,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 22:33:34,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:33:34,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:33:34,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:33:34,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:33:34,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 22:33:34,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 22:33:34,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:33:34,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 22:33:34,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 22:33:34,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:33:34,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 22:33:34,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:33:34,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:33:34,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:33:34,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:33:34,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:33:34,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 22:33:34,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 22:33:34,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:33:34,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:33:34,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:33:34,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:33:34,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 22:33:34,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 22:33:34,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:33:34,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 22:33:34,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 22:33:34,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:33:34,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 22:33:34,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 22:33:35,201 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable117 [2021-07-14 22:33:35,201 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:33:35,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:33:35,202 INFO L82 PathProgramCache]: Analyzing trace with hash 112128255, now seen corresponding path program 17 times [2021-07-14 22:33:35,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:33:35,202 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216794768] [2021-07-14 22:33:35,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:33:35,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:33:35,714 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 36 proven. 397 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:33:35,714 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:33:35,714 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216794768] [2021-07-14 22:33:35,714 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216794768] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:33:35,714 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1918371157] [2021-07-14 22:33:35,714 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:33:35,762 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2021-07-14 22:33:35,762 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:33:35,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 39 conjunts are in the unsatisfiable core [2021-07-14 22:33:35,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:33:35,884 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 45 proven. 388 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:33:35,884 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1918371157] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:33:35,884 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:33:35,884 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39] total 40 [2021-07-14 22:33:35,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854383360] [2021-07-14 22:33:35,885 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-07-14 22:33:35,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:33:35,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-07-14 22:33:35,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=503, Invalid=1137, Unknown=0, NotChecked=0, Total=1640 [2021-07-14 22:33:35,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:33:35,885 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:33:35,885 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 1.2439024390243902) internal successors, (51), 40 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:33:35,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:33:35,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:33:35,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:33:35,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:33:35,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 22:33:35,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 22:33:35,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:33:35,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:33:35,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:33:35,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:33:35,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 22:33:35,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 22:33:35,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:33:35,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 22:33:35,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 22:33:35,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:33:35,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 22:33:35,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 22:33:35,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:33:36,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:33:36,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:33:36,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:33:36,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:33:36,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 22:33:36,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 22:33:36,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:33:36,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:33:36,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:33:36,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:33:36,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 22:33:36,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 22:33:36,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:33:36,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 22:33:36,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 22:33:36,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:33:36,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 22:33:36,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 22:33:36,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:33:36,524 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable118 [2021-07-14 22:33:36,524 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:33:36,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:33:36,525 INFO L82 PathProgramCache]: Analyzing trace with hash -855016441, now seen corresponding path program 18 times [2021-07-14 22:33:36,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:33:36,525 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340455736] [2021-07-14 22:33:36,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:33:36,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:33:37,049 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 36 proven. 425 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:33:37,050 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:33:37,050 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340455736] [2021-07-14 22:33:37,050 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340455736] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:33:37,050 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1679423996] [2021-07-14 22:33:37,050 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 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:33:37,101 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2021-07-14 22:33:37,101 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:33:37,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 40 conjunts are in the unsatisfiable core [2021-07-14 22:33:37,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:33:37,216 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 45 proven. 416 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:33:37,216 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1679423996] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:33:37,216 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:33:37,216 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 40] total 41 [2021-07-14 22:33:37,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745707585] [2021-07-14 22:33:37,217 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-07-14 22:33:37,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:33:37,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-07-14 22:33:37,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=533, Invalid=1189, Unknown=0, NotChecked=0, Total=1722 [2021-07-14 22:33:37,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:33:37,218 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:33:37,218 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 1.2380952380952381) internal successors, (52), 41 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:33:37,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:33:37,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:33:37,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:33:37,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:33:37,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 22:33:37,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 22:33:37,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:33:37,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:33:37,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:33:37,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:33:37,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 22:33:37,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 22:33:37,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:33:37,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 22:33:37,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 22:33:37,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:33:37,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 22:33:37,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 22:33:37,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:33:37,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:33:37,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:33:37,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:33:37,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:33:37,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:33:37,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 22:33:37,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 22:33:37,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:33:37,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:33:37,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:33:37,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:33:37,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 22:33:37,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 22:33:37,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:33:37,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 22:33:37,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 22:33:37,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:33:37,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 22:33:37,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 22:33:37,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:33:37,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 22:33:37,867 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable119 [2021-07-14 22:33:37,867 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:33:37,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:33:37,868 INFO L82 PathProgramCache]: Analyzing trace with hash -771730945, now seen corresponding path program 19 times [2021-07-14 22:33:37,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:33:37,868 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821017742] [2021-07-14 22:33:37,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:33:37,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:33:38,433 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 36 proven. 454 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:33:38,433 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:33:38,433 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821017742] [2021-07-14 22:33:38,433 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821017742] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:33:38,433 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1131118150] [2021-07-14 22:33:38,433 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 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:33:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:33:38,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 41 conjunts are in the unsatisfiable core [2021-07-14 22:33:38,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:33:38,582 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 45 proven. 445 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:33:38,582 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1131118150] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:33:38,582 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:33:38,582 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41] total 42 [2021-07-14 22:33:38,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290360949] [2021-07-14 22:33:38,582 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-07-14 22:33:38,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:33:38,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-07-14 22:33:38,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=564, Invalid=1242, Unknown=0, NotChecked=0, Total=1806 [2021-07-14 22:33:38,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:33:38,583 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:33:38,583 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.2325581395348837) internal successors, (53), 42 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:33:38,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:33:38,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:33:38,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:33:38,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:33:38,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 22:33:38,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 22:33:38,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:33:38,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:33:38,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:33:38,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:33:38,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 22:33:38,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 22:33:38,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:33:38,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 22:33:38,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 22:33:38,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:33:38,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 22:33:38,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 22:33:38,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:33:38,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 22:33:38,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:33:39,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:33:39,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:33:39,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 22:33:39,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 22:33:39,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 22:33:39,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 22:33:39,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:33:39,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:33:39,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:33:39,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 22:33:39,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 22:33:39,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 22:33:39,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 22:33:39,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 22:33:39,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 22:33:39,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:33:39,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 22:33:39,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 22:33:39,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:33:39,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 22:33:39,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 22:33:39,266 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:33:39,267 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:33:39,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:33:39,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1810119431, now seen corresponding path program 20 times [2021-07-14 22:33:39,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:33:39,267 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349498602] [2021-07-14 22:33:39,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:33:39,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:33:40,293 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 520 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:33:40,294 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:33:40,294 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349498602] [2021-07-14 22:33:40,294 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349498602] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:33:40,294 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1679412672] [2021-07-14 22:33:40,294 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 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:33:40,335 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 22:33:40,335 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:33:40,337 WARN L261 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 131 conjunts are in the unsatisfiable core [2021-07-14 22:33:40,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:33:43,686 INFO L244 Elim1Store]: Index analysis took 370 ms [2021-07-14 22:33:53,670 WARN L205 SmtUtils]: Spent 9.98 s on a formula simplification that was a NOOP. DAG size: 2049 [2021-07-14 22:33:53,671 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:33:53,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 32 select indices, 32 select index equivalence classes, 0 disjoint index pairs (out of 496 index pairs), introduced 63 new quantified variables, introduced 496 case distinctions, treesize of input 131 treesize of output 4068 [2021-07-14 22:33:53,976 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 2085 DAG size of output: 2085 [2021-07-14 22:33:55,849 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 465 DAG size of output: 449 [2021-07-14 22:33:56,433 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 322 [2021-07-14 22:33:57,031 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 330 [2021-07-14 22:33:57,305 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 458 [2021-07-14 22:33:57,831 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 764 DAG size of output: 732 [2021-07-14 22:33:58,468 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 331 [2021-07-14 22:33:59,091 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 339 [2021-07-14 22:33:59,337 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 467 [2021-07-14 22:33:59,930 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 330 [2021-07-14 22:34:00,692 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 458 [2021-07-14 22:34:01,245 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 772 DAG size of output: 740 [2021-07-14 22:34:02,501 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1349 DAG size of output: 1285 [2021-07-14 22:34:03,782 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 467 [2021-07-14 22:34:04,363 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 323 [2021-07-14 22:34:04,921 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 331 [2021-07-14 22:34:05,171 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 476 DAG size of output: 476 [2021-07-14 22:34:05,759 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 765 DAG size of output: 765 [2021-07-14 22:34:06,950 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 458 [2021-07-14 22:34:07,516 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 322 [2021-07-14 22:34:08,236 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 467 [2021-07-14 22:34:08,767 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 757 DAG size of output: 757 [2021-07-14 22:34:10,062 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1342 DAG size of output: 1342 [2021-07-14 22:34:13,009 WARN L205 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 2502 DAG size of output: 2438 [2021-07-14 22:34:16,737 WARN L205 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 2551 DAG size of output: 2486 [2021-07-14 22:34:17,622 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 348 [2021-07-14 22:34:18,317 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 340 [2021-07-14 22:34:18,593 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 476 [2021-07-14 22:34:19,273 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 331 [2021-07-14 22:34:19,989 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 339 [2021-07-14 22:34:20,241 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 467 [2021-07-14 22:34:20,836 WARN L205 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 781 DAG size of output: 749 [2021-07-14 22:34:21,399 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 330 [2021-07-14 22:34:22,154 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 458 [2021-07-14 22:34:22,724 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 331 [2021-07-14 22:34:23,310 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 339 [2021-07-14 22:34:23,556 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 467 [2021-07-14 22:34:24,106 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 773 DAG size of output: 741 [2021-07-14 22:34:25,445 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1358 DAG size of output: 1294 [2021-07-14 22:34:25,981 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 323 [2021-07-14 22:34:26,550 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 331 [2021-07-14 22:34:26,806 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 476 DAG size of output: 476 [2021-07-14 22:34:27,363 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 332 [2021-07-14 22:34:27,952 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 340 [2021-07-14 22:34:28,221 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 485 DAG size of output: 485 [2021-07-14 22:34:28,827 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 774 DAG size of output: 774 [2021-07-14 22:34:29,355 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 322 [2021-07-14 22:34:29,848 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 314 [2021-07-14 22:34:30,080 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 467 [2021-07-14 22:34:30,649 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 331 [2021-07-14 22:34:31,435 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 476 DAG size of output: 476 [2021-07-14 22:34:32,006 WARN L205 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 766 DAG size of output: 766 [2021-07-14 22:34:33,382 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1351 DAG size of output: 1351 [2021-07-14 22:34:36,533 WARN L205 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 2511 DAG size of output: 2447 [2021-07-14 22:34:40,390 WARN L205 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 2562 DAG size of output: 2497 [2021-07-14 22:34:48,704 WARN L205 SmtUtils]: Spent 8.29 s on a formula simplification. DAG size of input: 4870 DAG size of output: 4741 [2021-07-14 22:34:49,885 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 456 DAG size of output: 440 [2021-07-14 22:34:50,424 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 321 [2021-07-14 22:34:51,165 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 465 DAG size of output: 449 [2021-07-14 22:34:51,644 WARN L205 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 755 DAG size of output: 723 [2021-07-14 22:34:52,170 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 321 [2021-07-14 22:34:52,927 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 465 DAG size of output: 449 [2021-07-14 22:34:53,468 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 322 [2021-07-14 22:34:54,034 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 330 [2021-07-14 22:34:54,261 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 458 [2021-07-14 22:34:54,800 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 763 DAG size of output: 731 [2021-07-14 22:34:56,005 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 1340 DAG size of output: 1276 [2021-07-14 22:34:57,161 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 458 [2021-07-14 22:34:58,184 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 322 [2021-07-14 22:34:58,419 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 467 [2021-07-14 22:34:58,965 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 756 DAG size of output: 756 [2021-07-14 22:35:00,141 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 458 [2021-07-14 22:35:01,200 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 449 [2021-07-14 22:35:01,711 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 748 DAG size of output: 748 [2021-07-14 22:35:02,933 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 1333 DAG size of output: 1333 [2021-07-14 22:35:05,786 WARN L205 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 2493 DAG size of output: 2429 [2021-07-14 22:35:09,161 WARN L205 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 2540 DAG size of output: 2475 [2021-07-14 22:35:10,363 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 458 [2021-07-14 22:35:11,606 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 467 [2021-07-14 22:35:12,151 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 757 DAG size of output: 757 [2021-07-14 22:35:12,732 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 322 [2021-07-14 22:35:13,457 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 467 [2021-07-14 22:35:14,020 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 331 [2021-07-14 22:35:14,554 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 323 [2021-07-14 22:35:14,805 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 476 DAG size of output: 476 [2021-07-14 22:35:15,387 WARN L205 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 765 DAG size of output: 765 [2021-07-14 22:35:16,684 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1342 DAG size of output: 1342 [2021-07-14 22:35:17,295 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 339 [2021-07-14 22:35:17,854 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 331 [2021-07-14 22:35:18,111 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 467 [2021-07-14 22:35:18,706 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 330 [2021-07-14 22:35:19,222 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 322 [2021-07-14 22:35:19,449 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 458 [2021-07-14 22:35:20,032 WARN L205 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 772 DAG size of output: 740 [2021-07-14 22:35:20,576 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 321 [2021-07-14 22:35:21,278 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 465 DAG size of output: 449 [2021-07-14 22:35:21,833 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 330 [2021-07-14 22:35:22,351 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 322 [2021-07-14 22:35:22,589 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 458 [2021-07-14 22:35:23,108 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 764 DAG size of output: 732 [2021-07-14 22:35:24,360 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1349 DAG size of output: 1285 [2021-07-14 22:35:27,399 WARN L205 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 2502 DAG size of output: 2438 [2021-07-14 22:35:31,073 WARN L205 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 2551 DAG size of output: 2486 [2021-07-14 22:35:38,951 WARN L205 SmtUtils]: Spent 7.85 s on a formula simplification. DAG size of input: 4859 DAG size of output: 4730 [2021-07-14 22:35:56,669 WARN L205 SmtUtils]: Spent 17.67 s on a formula simplification. DAG size of input: 9485 DAG size of output: 9228 [2021-07-14 22:36:17,178 WARN L205 SmtUtils]: Spent 20.44 s on a formula simplification. DAG size of input: 9537 DAG size of output: 9280 [2021-07-14 22:36:40,963 WARN L205 SmtUtils]: Spent 23.70 s on a formula simplification. DAG size of input: 9601 DAG size of output: 9344 [2021-07-14 22:37:08,171 WARN L205 SmtUtils]: Spent 27.13 s on a formula simplification. DAG size of input: 9651 DAG size of output: 9394 [2021-07-14 22:37:09,501 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 466 [2021-07-14 22:37:10,668 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 457 [2021-07-14 22:37:11,204 WARN L205 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 756 DAG size of output: 756 [2021-07-14 22:37:11,771 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 330 [2021-07-14 22:37:12,287 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 322 [2021-07-14 22:37:12,552 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 475 [2021-07-14 22:37:13,060 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 313 [2021-07-14 22:37:13,562 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 321 [2021-07-14 22:37:13,809 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 466 [2021-07-14 22:37:14,388 WARN L205 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 764 DAG size of output: 764 [2021-07-14 22:37:15,681 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1341 DAG size of output: 1341 [2021-07-14 22:37:16,700 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 320 [2021-07-14 22:37:16,914 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 464 DAG size of output: 448 [2021-07-14 22:37:17,445 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 321 [2021-07-14 22:37:18,009 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 329 [2021-07-14 22:37:18,235 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 473 DAG size of output: 457 [2021-07-14 22:37:18,799 WARN L205 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 763 DAG size of output: 731 [2021-07-14 22:37:19,415 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 329 [2021-07-14 22:37:20,168 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 473 DAG size of output: 457 [2021-07-14 22:37:20,778 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 338 [2021-07-14 22:37:21,363 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 330 [2021-07-14 22:37:21,608 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 466 [2021-07-14 22:37:22,173 WARN L205 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 771 DAG size of output: 739 [2021-07-14 22:37:23,428 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1348 DAG size of output: 1284 [2021-07-14 22:37:26,433 WARN L205 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 2501 DAG size of output: 2437 [2021-07-14 22:37:30,088 WARN L205 SmtUtils]: Spent 3.64 s on a formula simplification. DAG size of input: 2550 DAG size of output: 2485 [2021-07-14 22:37:30,773 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 347 [2021-07-14 22:37:31,390 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 339 [2021-07-14 22:37:31,666 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 491 DAG size of output: 475 [2021-07-14 22:37:32,276 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 338 [2021-07-14 22:37:32,834 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 330 [2021-07-14 22:37:33,096 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 466 [2021-07-14 22:37:33,711 WARN L205 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 780 DAG size of output: 748 [2021-07-14 22:37:34,240 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 321 [2021-07-14 22:37:34,791 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 329 [2021-07-14 22:37:35,036 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 473 DAG size of output: 457 [2021-07-14 22:37:35,609 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 330 [2021-07-14 22:37:36,186 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 338 [2021-07-14 22:37:36,437 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 466 [2021-07-14 22:37:36,998 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 772 DAG size of output: 740 [2021-07-14 22:37:38,337 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1357 DAG size of output: 1293 [2021-07-14 22:37:38,875 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 322 [2021-07-14 22:37:39,417 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 330 [2021-07-14 22:37:39,675 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 475 [2021-07-14 22:37:40,284 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 339 [2021-07-14 22:37:40,828 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 331 [2021-07-14 22:37:41,111 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 484 [2021-07-14 22:37:41,717 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 773 DAG size of output: 773 [2021-07-14 22:37:42,248 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 322 [2021-07-14 22:37:42,793 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 330 [2021-07-14 22:37:43,062 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 475 [2021-07-14 22:37:43,543 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 313 [2021-07-14 22:37:44,054 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 321 [2021-07-14 22:37:44,295 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 466 [2021-07-14 22:37:44,866 WARN L205 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 765 DAG size of output: 765 [2021-07-14 22:37:46,239 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1350 DAG size of output: 1350 [2021-07-14 22:37:49,453 WARN L205 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 2510 DAG size of output: 2446 [2021-07-14 22:37:53,349 WARN L205 SmtUtils]: Spent 3.88 s on a formula simplification. DAG size of input: 2561 DAG size of output: 2496 [2021-07-14 22:38:01,647 WARN L205 SmtUtils]: Spent 8.28 s on a formula simplification. DAG size of input: 4869 DAG size of output: 4740 [2021-07-14 22:38:02,280 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 339 [2021-07-14 22:38:02,963 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 347 [2021-07-14 22:38:03,247 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 491 DAG size of output: 475 [2021-07-14 22:38:03,811 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 330 [2021-07-14 22:38:04,387 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 338 [2021-07-14 22:38:04,639 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 466 [2021-07-14 22:38:05,226 WARN L205 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 780 DAG size of output: 748 [2021-07-14 22:38:05,837 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 338 [2021-07-14 22:38:06,391 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 330 [2021-07-14 22:38:06,642 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 466 [2021-07-14 22:38:07,197 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 329 [2021-07-14 22:38:07,728 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 321 [2021-07-14 22:38:07,964 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 473 DAG size of output: 457 [2021-07-14 22:38:08,516 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 772 DAG size of output: 740 [2021-07-14 22:38:09,853 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1357 DAG size of output: 1293 [2021-07-14 22:38:10,564 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 330 [2021-07-14 22:38:11,160 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 322 [2021-07-14 22:38:11,431 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 475 [2021-07-14 22:38:12,099 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 331 [2021-07-14 22:38:12,781 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 339 [2021-07-14 22:38:13,061 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 484 [2021-07-14 22:38:13,686 WARN L205 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 773 DAG size of output: 773 [2021-07-14 22:38:14,370 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 330 [2021-07-14 22:38:15,006 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 322 [2021-07-14 22:38:15,291 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 475 [2021-07-14 22:38:15,964 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 321 [2021-07-14 22:38:16,553 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 313 [2021-07-14 22:38:16,817 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 466 [2021-07-14 22:38:17,399 WARN L205 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 765 DAG size of output: 765 [2021-07-14 22:38:18,792 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 1350 DAG size of output: 1350 [2021-07-14 22:38:21,984 WARN L205 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 2510 DAG size of output: 2446 [2021-07-14 22:38:25,878 WARN L205 SmtUtils]: Spent 3.88 s on a formula simplification. DAG size of input: 2561 DAG size of output: 2496 [2021-07-14 22:38:26,529 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 348 [2021-07-14 22:38:27,201 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 356 [2021-07-14 22:38:27,474 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 484 [2021-07-14 22:38:28,113 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 347 [2021-07-14 22:38:28,724 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 339 [2021-07-14 22:38:28,984 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 491 DAG size of output: 475 [2021-07-14 22:38:29,607 WARN L205 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 789 DAG size of output: 757 [2021-07-14 22:38:30,167 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 330 [2021-07-14 22:38:30,765 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 338 [2021-07-14 22:38:31,007 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 466 [2021-07-14 22:38:31,655 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 347 [2021-07-14 22:38:32,259 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 339 [2021-07-14 22:38:32,526 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 491 DAG size of output: 475 [2021-07-14 22:38:33,131 WARN L205 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 781 DAG size of output: 749 [2021-07-14 22:38:34,567 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1366 DAG size of output: 1302 [2021-07-14 22:38:35,231 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 348 [2021-07-14 22:38:35,836 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 340 [2021-07-14 22:38:36,120 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 493 DAG size of output: 493 [2021-07-14 22:38:36,675 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 331 [2021-07-14 22:38:37,269 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 339 [2021-07-14 22:38:37,544 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 484 [2021-07-14 22:38:38,202 WARN L205 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 782 DAG size of output: 782 [2021-07-14 22:38:38,758 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 330 [2021-07-14 22:38:39,546 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 475 [2021-07-14 22:38:40,136 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 339 [2021-07-14 22:38:40,693 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 331 [2021-07-14 22:38:40,957 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 484 [2021-07-14 22:38:41,567 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 774 DAG size of output: 774 [2021-07-14 22:38:43,038 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1359 DAG size of output: 1359 [2021-07-14 22:38:46,433 WARN L205 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 2519 DAG size of output: 2455 [2021-07-14 22:38:50,510 WARN L205 SmtUtils]: Spent 4.06 s on a formula simplification. DAG size of input: 2572 DAG size of output: 2507 [2021-07-14 22:38:59,204 WARN L205 SmtUtils]: Spent 8.67 s on a formula simplification. DAG size of input: 4880 DAG size of output: 4751 [2021-07-14 22:39:18,068 WARN L205 SmtUtils]: Spent 18.82 s on a formula simplification. DAG size of input: 9495 DAG size of output: 9238 [2021-07-14 22:39:40,088 WARN L205 SmtUtils]: Spent 21.93 s on a formula simplification. DAG size of input: 9549 DAG size of output: 9292 [2021-07-14 22:40:05,434 WARN L205 SmtUtils]: Spent 25.27 s on a formula simplification. DAG size of input: 9615 DAG size of output: 9358 [2021-07-14 22:40:34,418 WARN L205 SmtUtils]: Spent 28.91 s on a formula simplification. DAG size of input: 9667 DAG size of output: 9410 [2021-07-14 22:41:34,258 WARN L205 SmtUtils]: Spent 59.74 s on a formula simplification. DAG size of input: 18905 DAG size of output: 18392 [2021-07-14 22:41:35,208 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 377 [2021-07-14 22:41:36,083 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 384 [2021-07-14 22:41:36,459 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 626 [2021-07-14 22:41:37,418 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 391 [2021-07-14 22:41:38,325 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 384 [2021-07-14 22:41:38,737 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 632 [2021-07-14 22:41:39,676 WARN L205 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 1113 DAG size of output: 1113 [2021-07-14 22:41:40,651 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 390 [2021-07-14 22:41:41,510 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 383 [2021-07-14 22:41:41,936 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 632 [2021-07-14 22:41:43,078 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 397 [2021-07-14 22:41:44,126 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 390 [2021-07-14 22:41:44,567 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 638 DAG size of output: 638 [2021-07-14 22:41:45,573 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 1119 DAG size of output: 1119 [2021-07-14 22:41:47,836 WARN L205 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 2080 DAG size of output: 2080 [2021-07-14 22:41:50,602 WARN L205 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 2132 DAG size of output: 2132 [2021-07-14 22:41:51,510 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 383 [2021-07-14 22:41:52,468 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 390 [2021-07-14 22:41:52,887 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 631 [2021-07-14 22:41:53,705 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 376 [2021-07-14 22:41:54,594 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 383 [2021-07-14 22:41:54,978 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 625 DAG size of output: 625 [2021-07-14 22:41:55,901 WARN L205 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 1112 DAG size of output: 1112 [2021-07-14 22:41:56,720 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 377 [2021-07-14 22:41:57,594 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 384 [2021-07-14 22:41:57,970 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 625 DAG size of output: 625 [2021-07-14 22:41:58,791 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 377 [2021-07-14 22:41:59,533 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 370 [2021-07-14 22:41:59,880 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 619 DAG size of output: 619 [2021-07-14 22:42:00,750 WARN L205 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 1106 DAG size of output: 1106 [2021-07-14 22:42:02,856 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 2073 DAG size of output: 2073 [2021-07-14 22:42:05,515 WARN L205 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 2123 DAG size of output: 2123 [2021-07-14 22:42:11,522 WARN L205 SmtUtils]: Spent 5.99 s on a formula simplification. DAG size of input: 4056 DAG size of output: 4056 [2021-07-14 22:42:12,564 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 398 [2021-07-14 22:42:13,491 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 391 [2021-07-14 22:42:13,934 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 639 DAG size of output: 639 [2021-07-14 22:42:14,860 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 391 [2021-07-14 22:42:15,729 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 384 [2021-07-14 22:42:16,150 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 633 [2021-07-14 22:42:17,165 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 1120 DAG size of output: 1120 [2021-07-14 22:42:18,163 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 397 [2021-07-14 22:42:19,110 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 390 [2021-07-14 22:42:19,548 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 639 DAG size of output: 639 [2021-07-14 22:42:20,551 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 397 [2021-07-14 22:42:21,606 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 404 [2021-07-14 22:42:22,082 WARN L205 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 645 DAG size of output: 645 [2021-07-14 22:42:23,169 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 1126 DAG size of output: 1126 [2021-07-14 22:42:25,616 WARN L205 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 2087 DAG size of output: 2087 [2021-07-14 22:42:28,582 WARN L205 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 2141 DAG size of output: 2141 [2021-07-14 22:42:29,536 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 390 [2021-07-14 22:42:30,421 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 383 [2021-07-14 22:42:30,820 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 632 [2021-07-14 22:42:31,776 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 390 [2021-07-14 22:42:32,886 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 397 [2021-07-14 22:42:33,346 WARN L205 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 638 DAG size of output: 638 [2021-07-14 22:42:34,343 WARN L205 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 1119 DAG size of output: 1119 [2021-07-14 22:42:35,289 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 391 [2021-07-14 22:42:36,154 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 384 [2021-07-14 22:42:36,568 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 632 [2021-07-14 22:42:37,374 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 377 [2021-07-14 22:42:38,253 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 384 [2021-07-14 22:42:38,642 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 626 [2021-07-14 22:42:39,567 WARN L205 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 1113 DAG size of output: 1113 [2021-07-14 22:42:41,848 WARN L205 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 2080 DAG size of output: 2080 [2021-07-14 22:42:44,676 WARN L205 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 2132 DAG size of output: 2132 [2021-07-14 22:42:51,013 WARN L205 SmtUtils]: Spent 6.32 s on a formula simplification. DAG size of input: 4065 DAG size of output: 4065 [2021-07-14 22:43:04,789 WARN L205 SmtUtils]: Spent 13.74 s on a formula simplification. DAG size of input: 7912 DAG size of output: 7912 [2021-07-14 22:43:20,887 WARN L205 SmtUtils]: Spent 16.04 s on a formula simplification. DAG size of input: 7965 DAG size of output: 7965 [2021-07-14 22:43:39,681 WARN L205 SmtUtils]: Spent 18.73 s on a formula simplification. DAG size of input: 8029 DAG size of output: 8029 [2021-07-14 22:44:01,341 WARN L205 SmtUtils]: Spent 21.60 s on a formula simplification. DAG size of input: 8080 DAG size of output: 8080 [2021-07-14 22:44:02,441 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 396 [2021-07-14 22:44:03,507 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 403 [2021-07-14 22:44:03,979 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 645 DAG size of output: 645 [2021-07-14 22:44:05,118 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 410 [2021-07-14 22:44:06,217 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 403 [2021-07-14 22:44:06,709 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 651 DAG size of output: 651 [2021-07-14 22:44:07,832 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 1132 DAG size of output: 1132 [2021-07-14 22:44:08,840 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 397 [2021-07-14 22:44:09,806 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 390 [2021-07-14 22:44:10,249 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 639 DAG size of output: 639 [2021-07-14 22:44:11,253 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 397 [2021-07-14 22:44:12,314 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 404 [2021-07-14 22:44:12,792 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 645 DAG size of output: 645 [2021-07-14 22:44:13,850 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 1126 DAG size of output: 1126 [2021-07-14 22:44:16,426 WARN L205 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 2093 DAG size of output: 2093 [2021-07-14 22:44:19,577 WARN L205 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 2149 DAG size of output: 2149 [2021-07-14 22:44:20,615 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 396 [2021-07-14 22:44:21,694 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 403 [2021-07-14 22:44:22,150 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 644 DAG size of output: 644 [2021-07-14 22:44:23,107 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 389 [2021-07-14 22:44:24,097 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 396 [2021-07-14 22:44:24,536 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 638 DAG size of output: 638 [2021-07-14 22:44:25,613 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 1125 DAG size of output: 1125 [2021-07-14 22:44:26,499 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 383 [2021-07-14 22:44:27,445 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 390 [2021-07-14 22:44:27,862 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 632 [2021-07-14 22:44:28,803 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 390 [2021-07-14 22:44:29,808 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 397 [2021-07-14 22:44:30,238 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 638 DAG size of output: 638 [2021-07-14 22:44:31,230 WARN L205 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 1119 DAG size of output: 1119 [2021-07-14 22:44:33,708 WARN L205 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 2086 DAG size of output: 2086 [2021-07-14 22:44:36,717 WARN L205 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 2140 DAG size of output: 2140 [2021-07-14 22:44:43,504 WARN L205 SmtUtils]: Spent 6.77 s on a formula simplification. DAG size of input: 4073 DAG size of output: 4073 [2021-07-14 22:44:44,383 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 376 [2021-07-14 22:44:45,262 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 383 [2021-07-14 22:44:45,653 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 625 DAG size of output: 625 [2021-07-14 22:44:46,611 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 390 [2021-07-14 22:44:47,490 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 383 [2021-07-14 22:44:47,910 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 631 [2021-07-14 22:44:48,876 WARN L205 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 1112 DAG size of output: 1112 [2021-07-14 22:44:49,884 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 389 [2021-07-14 22:44:50,884 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 396 [2021-07-14 22:44:51,330 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 637 DAG size of output: 637 [2021-07-14 22:44:52,217 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 382 [2021-07-14 22:44:53,209 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 389 [2021-07-14 22:44:53,622 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 631 [2021-07-14 22:44:54,649 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1118 DAG size of output: 1118 [2021-07-14 22:44:56,929 WARN L205 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 2079 DAG size of output: 2079 [2021-07-14 22:44:59,744 WARN L205 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 2131 DAG size of output: 2131 [2021-07-14 22:45:00,759 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 396 [2021-07-14 22:45:01,868 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 403 [2021-07-14 22:45:02,331 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 644 DAG size of output: 644 [2021-07-14 22:45:03,355 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 396 [2021-07-14 22:45:04,322 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 389 [2021-07-14 22:45:04,781 WARN L205 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 638 DAG size of output: 638 [2021-07-14 22:45:05,868 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 1125 DAG size of output: 1125 [2021-07-14 22:45:06,903 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 397 [2021-07-14 22:45:07,867 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 390 [2021-07-14 22:45:08,318 WARN L205 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 638 DAG size of output: 638 [2021-07-14 22:45:09,217 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 383 [2021-07-14 22:45:10,183 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 390 [2021-07-14 22:45:10,586 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 632 [2021-07-14 22:45:11,607 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1119 DAG size of output: 1119 [2021-07-14 22:45:14,108 WARN L205 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 2086 DAG size of output: 2086 [2021-07-14 22:45:17,129 WARN L205 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 2140 DAG size of output: 2140 [2021-07-14 22:45:23,577 WARN L205 SmtUtils]: Spent 6.43 s on a formula simplification. DAG size of input: 4064 DAG size of output: 4064 [2021-07-14 22:45:38,326 WARN L205 SmtUtils]: Spent 14.71 s on a formula simplification. DAG size of input: 7920 DAG size of output: 7920 [2021-07-14 22:45:55,524 WARN L205 SmtUtils]: Spent 17.13 s on a formula simplification. DAG size of input: 7975 DAG size of output: 7975 [2021-07-14 22:46:15,520 WARN L205 SmtUtils]: Spent 19.93 s on a formula simplification. DAG size of input: 8041 DAG size of output: 8041 [2021-07-14 22:46:38,261 WARN L205 SmtUtils]: Spent 22.67 s on a formula simplification. DAG size of input: 8094 DAG size of output: 8094 [2021-07-14 22:47:26,058 WARN L205 SmtUtils]: Spent 47.71 s on a formula simplification. DAG size of input: 15796 DAG size of output: 15796 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown