/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-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 20:28:35,554 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 20:28:35,556 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 20:28:35,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 20:28:35,632 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-Random42.epf [2021-07-14 20:28:35,667 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 20:28:35,667 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 20:28:35,667 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 20:28:35,667 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 20:28:35,669 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 20:28:35,669 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 20:28:35,669 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 20:28:35,670 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 20:28:35,670 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 20:28:35,670 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 20:28:35,670 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 20:28:35,671 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 20:28:35,671 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 20:28:35,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 20:28:35,671 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 20:28:35,671 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 20:28:35,671 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 20:28:35,671 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 20:28:35,671 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 20:28:35,671 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 20:28:35,671 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 20:28:35,672 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 20:28:35,672 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 20:28:35,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 20:28:35,672 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 20:28:35,672 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 20:28:35,672 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 20:28:35,672 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 20:28:35,672 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-14 20:28:35,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 20:28:35,672 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 20:28:35,673 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 20:28:35,673 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 20:28:35,673 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 20:28:35,673 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-14 20:28:35,673 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 20:28:35,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 20:28:35,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 20:28:35,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 20:28:35,936 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 20:28:35,937 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 20:28:35,937 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-2.wvr.bpl [2021-07-14 20:28:35,937 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-2.wvr.bpl' [2021-07-14 20:28:35,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 20:28:35,954 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 20:28:35,956 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 20:28:35,956 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 20:28:35,956 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 20:28:35,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:28:35" (1/1) ... [2021-07-14 20:28:35,972 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:28:35" (1/1) ... [2021-07-14 20:28:35,987 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 20:28:35,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 20:28:35,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 20:28:35,989 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 20:28:35,994 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:28:35" (1/1) ... [2021-07-14 20:28:35,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:28:35" (1/1) ... [2021-07-14 20:28:35,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:28:35" (1/1) ... [2021-07-14 20:28:35,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:28:35" (1/1) ... [2021-07-14 20:28:35,997 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:28:35" (1/1) ... [2021-07-14 20:28:36,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:28:35" (1/1) ... [2021-07-14 20:28:36,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:28:35" (1/1) ... [2021-07-14 20:28:36,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 20:28:36,003 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 20:28:36,003 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 20:28:36,003 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 20:28:36,004 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:28:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 20:28:36,056 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 20:28:36,056 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 20:28:36,056 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 20:28:36,056 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 20:28:36,056 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 20:28:36,057 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 20:28:36,057 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 20:28:36,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 20:28:36,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 20:28:36,059 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 20:28:36,194 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 20:28:36,194 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-14 20:28:36,195 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-14 20:28:36,195 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-14 20:28:36,196 INFO L202 PluginConnector]: Adding new model unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 08:28:36 BoogieIcfgContainer [2021-07-14 20:28:36,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 20:28:36,197 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 20:28:36,198 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 20:28:36,199 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 20:28:36,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:28:35" (1/2) ... [2021-07-14 20:28:36,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e847875 and model type unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 08:28:36, skipping insertion in model container [2021-07-14 20:28:36,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 08:28:36" (2/2) ... [2021-07-14 20:28:36,201 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-2.wvr.bpl [2021-07-14 20:28:36,205 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 20:28:36,205 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 20:28:36,205 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 20:28:36,205 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 20:28:36,222 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 20:28:36,237 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 20:28:36,292 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 20:28:36,293 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 20:28:36,293 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 20:28:36,293 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 20:28:36,293 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 20:28:36,293 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 20:28:36,293 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 20:28:36,293 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 20:28:36,360 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:28:36,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:28:36,364 INFO L82 PathProgramCache]: Analyzing trace with hash -1694861722, now seen corresponding path program 1 times [2021-07-14 20:28:36,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:28:36,369 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372273246] [2021-07-14 20:28:36,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:28:36,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:28:36,468 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 20:28:36,468 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:28:36,468 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372273246] [2021-07-14 20:28:36,469 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372273246] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 20:28:36,469 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 20:28:36,469 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 20:28:36,469 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942317199] [2021-07-14 20:28:36,472 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 20:28:36,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:28:36,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 20:28:36,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 20:28:36,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:28:36,482 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:28:36,483 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:28:36,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:28:36,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:28:36,511 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 20:28:36,511 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:28:36,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:28:36,511 INFO L82 PathProgramCache]: Analyzing trace with hash 658584646, now seen corresponding path program 1 times [2021-07-14 20:28:36,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:28:36,512 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957187229] [2021-07-14 20:28:36,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:28:36,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:28:36,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:28:36,538 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:28:36,539 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957187229] [2021-07-14 20:28:36,539 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957187229] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:28:36,539 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [693214638] [2021-07-14 20:28:36,539 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 20:28:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:28:36,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-14 20:28:36,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:28:36,670 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:28:36,671 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [693214638] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:28:36,671 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:28:36,672 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-07-14 20:28:36,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774286960] [2021-07-14 20:28:36,673 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 20:28:36,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:28:36,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 20:28:36,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-07-14 20:28:36,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:28:36,675 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:28:36,675 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:28:36,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:28:36,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:28:36,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:28:36,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:28:36,909 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:28:36,909 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:28:36,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:28:36,911 INFO L82 PathProgramCache]: Analyzing trace with hash -1035640753, now seen corresponding path program 1 times [2021-07-14 20:28:36,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:28:36,913 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987812911] [2021-07-14 20:28:36,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:28:36,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:28:36,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 20:28:36,963 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:28:36,963 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987812911] [2021-07-14 20:28:36,963 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987812911] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:28:36,963 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1851093537] [2021-07-14 20:28:36,963 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 20:28:36,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:28:36,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-14 20:28:36,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:28:37,031 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 20:28:37,031 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1851093537] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:28:37,031 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:28:37,031 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-07-14 20:28:37,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892394213] [2021-07-14 20:28:37,032 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 20:28:37,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:28:37,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 20:28:37,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 20:28:37,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:28:37,032 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:28:37,033 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:28:37,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:28:37,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:28:37,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:28:37,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:28:37,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:28:37,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:28:37,264 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:28:37,265 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:28:37,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:28:37,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1473521199, now seen corresponding path program 2 times [2021-07-14 20:28:37,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:28:37,266 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834143924] [2021-07-14 20:28:37,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:28:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:28:37,298 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:28:37,298 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:28:37,298 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834143924] [2021-07-14 20:28:37,298 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834143924] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:28:37,298 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039871759] [2021-07-14 20:28:37,298 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:28:37,325 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 20:28:37,325 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:28:37,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-14 20:28:37,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:28:37,415 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:28:37,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 18 [2021-07-14 20:28:37,426 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:28:37,431 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:28:37,432 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:28:37,432 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-07-14 20:28:37,450 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:28:37,450 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2039871759] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:28:37,450 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:28:37,450 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 7 [2021-07-14 20:28:37,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258943549] [2021-07-14 20:28:37,451 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 20:28:37,451 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:28:37,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 20:28:37,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-14 20:28:37,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:28:37,451 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:28:37,452 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:28:37,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:28:37,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:28:37,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:28:37,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:28:37,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:28:37,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:28:37,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:28:37,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:28:37,693 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:28:37,693 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:28:37,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:28:37,693 INFO L82 PathProgramCache]: Analyzing trace with hash 1948130383, now seen corresponding path program 3 times [2021-07-14 20:28:37,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:28:37,694 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947942879] [2021-07-14 20:28:37,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:28:37,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:28:37,748 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:28:37,748 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:28:37,748 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947942879] [2021-07-14 20:28:37,748 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947942879] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:28:37,749 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [187746850] [2021-07-14 20:28:37,749 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 20:28:37,782 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 20:28:37,782 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:28:37,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 20:28:37,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:28:37,841 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:28:37,841 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [187746850] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:28:37,842 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:28:37,842 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-07-14 20:28:37,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540174805] [2021-07-14 20:28:37,842 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 20:28:37,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:28:37,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 20:28:37,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-07-14 20:28:37,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:28:37,843 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:28:37,843 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 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 20:28:37,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:28:37,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:28:37,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:28:37,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:28:37,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:28:37,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:28:37,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:28:37,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:28:37,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:28:37,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:28:38,116 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:28:38,117 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:28:38,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:28:38,117 INFO L82 PathProgramCache]: Analyzing trace with hash 285571430, now seen corresponding path program 4 times [2021-07-14 20:28:38,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:28:38,118 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577158330] [2021-07-14 20:28:38,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:28:38,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:28:38,168 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 20:28:38,168 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:28:38,168 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577158330] [2021-07-14 20:28:38,168 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577158330] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:28:38,168 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871061615] [2021-07-14 20:28:38,168 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 20:28:38,192 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 20:28:38,192 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:28:38,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-14 20:28:38,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:28:38,246 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 20:28:38,246 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [871061615] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:28:38,246 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:28:38,246 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-07-14 20:28:38,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500650931] [2021-07-14 20:28:38,247 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 20:28:38,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:28:38,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 20:28:38,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-07-14 20:28:38,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:28:38,247 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:28:38,247 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:28:38,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:28:38,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:28:38,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:28:38,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:28:38,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:28:38,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:28:38,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:28:38,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:28:38,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:28:38,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:28:38,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:28:38,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:28:38,512 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:28:38,513 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:28:38,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:28:38,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1580915834, now seen corresponding path program 5 times [2021-07-14 20:28:38,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:28:38,515 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562933768] [2021-07-14 20:28:38,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:28:38,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:28:38,589 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:28:38,589 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:28:38,589 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562933768] [2021-07-14 20:28:38,589 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562933768] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:28:38,590 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [329265732] [2021-07-14 20:28:38,590 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 20:28:38,619 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-14 20:28:38,619 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:28:38,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-14 20:28:38,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:28:38,691 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 20:28:38,691 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [329265732] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:28:38,691 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:28:38,691 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2021-07-14 20:28:38,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916185561] [2021-07-14 20:28:38,692 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-14 20:28:38,692 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:28:38,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-14 20:28:38,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2021-07-14 20:28:38,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:28:38,692 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:28:38,693 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.8) internal successors, (27), 14 states have internal predecessors, (27), 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 20:28:38,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:28:38,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:28:38,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:28:38,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:28:38,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:28:38,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:28:38,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:28:38,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:28:38,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:28:38,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:28:38,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:28:38,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:28:38,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:28:38,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:28:39,030 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:28:39,031 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:28:39,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:28:39,031 INFO L82 PathProgramCache]: Analyzing trace with hash -1740678897, now seen corresponding path program 6 times [2021-07-14 20:28:39,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:28:39,032 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378961263] [2021-07-14 20:28:39,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:28:39,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:28:39,101 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:28:39,101 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:28:39,101 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378961263] [2021-07-14 20:28:39,102 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378961263] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:28:39,102 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [416299790] [2021-07-14 20:28:39,102 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 20:28:39,148 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-14 20:28:39,148 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:28:39,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 25 conjunts are in the unsatisfiable core [2021-07-14 20:28:39,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:28:39,358 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:28:39,359 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 20:28:39,678 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:28:39,680 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:28:39,680 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:28:39,680 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-07-14 20:28:39,686 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:28:39,687 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [416299790] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:28:39,687 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:28:39,687 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2021-07-14 20:28:39,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780222648] [2021-07-14 20:28:39,688 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-14 20:28:39,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:28:39,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-14 20:28:39,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2021-07-14 20:28:39,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:28:39,689 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:28:39,690 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.7222222222222223) internal successors, (31), 17 states have internal predecessors, (31), 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 20:28:39,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:28:39,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:28:39,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:28:39,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:28:39,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:28:39,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:28:39,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:28:39,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:28:39,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:28:39,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:28:39,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:28:39,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:28:39,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:28:39,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:28:39,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:28:39,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:28:39,944 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-07-14 20:28:39,945 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:28:39,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:28:39,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1937782575, now seen corresponding path program 7 times [2021-07-14 20:28:39,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:28:39,945 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535571332] [2021-07-14 20:28:39,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:28:39,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:28:40,020 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 15 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:28:40,021 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:28:40,021 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535571332] [2021-07-14 20:28:40,021 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535571332] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:28:40,021 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [379021278] [2021-07-14 20:28:40,021 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 20:28:40,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:28:40,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-14 20:28:40,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:28:40,097 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 21 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:28:40,098 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [379021278] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:28:40,098 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:28:40,098 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2021-07-14 20:28:40,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130028547] [2021-07-14 20:28:40,098 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 20:28:40,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:28:40,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 20:28:40,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-07-14 20:28:40,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:28:40,099 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:28:40,099 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:28:40,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:28:40,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:28:40,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:28:40,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:28:40,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:28:40,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:28:40,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:28:40,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:28:40,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:28:40,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:28:40,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:28:40,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:28:40,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:28:40,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:28:40,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:28:40,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:28:40,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:28:40,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:28:40,428 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:28:40,429 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:28:40,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:28:40,429 INFO L82 PathProgramCache]: Analyzing trace with hash -35210618, now seen corresponding path program 8 times [2021-07-14 20:28:40,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:28:40,429 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414805605] [2021-07-14 20:28:40,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:28:40,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:28:40,479 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-07-14 20:28:40,479 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:28:40,479 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414805605] [2021-07-14 20:28:40,480 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414805605] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:28:40,480 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1909547095] [2021-07-14 20:28:40,480 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) [2021-07-14 20:28:40,516 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 20:28:40,516 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:28:40,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-14 20:28:40,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:28:40,586 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-07-14 20:28:40,587 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1909547095] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:28:40,587 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:28:40,587 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 13 [2021-07-14 20:28:40,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658848439] [2021-07-14 20:28:40,588 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 20:28:40,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:28:40,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 20:28:40,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-07-14 20:28:40,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:28:40,588 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:28:40,589 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:28:40,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:28:40,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:28:40,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:28:40,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:28:40,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:28:40,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:28:40,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:28:40,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:28:40,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:28:40,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:28:40,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:28:40,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:28:40,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:28:40,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:28:40,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:28:40,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:28:40,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:28:40,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:28:40,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:28:40,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:28:40,904 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-07-14 20:28:40,905 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:28:40,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:28:40,905 INFO L82 PathProgramCache]: Analyzing trace with hash 208179366, now seen corresponding path program 9 times [2021-07-14 20:28:40,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:28:40,905 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090979182] [2021-07-14 20:28:40,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:28:40,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:28:40,974 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:28:40,974 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:28:40,974 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090979182] [2021-07-14 20:28:40,974 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090979182] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:28:40,974 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055350648] [2021-07-14 20:28:40,974 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 20:28:41,008 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 20:28:41,008 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:28:41,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-14 20:28:41,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:28:41,335 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-07-14 20:28:41,335 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:28:41,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-07-14 20:28:42,297 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:28:42,298 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:28:42,298 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:28:42,299 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-07-14 20:28:42,303 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:28:42,304 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2055350648] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:28:42,304 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:28:42,304 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 14] total 22 [2021-07-14 20:28:42,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394530125] [2021-07-14 20:28:42,304 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-14 20:28:42,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:28:42,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-14 20:28:42,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2021-07-14 20:28:42,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:28:42,305 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:28:42,305 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.608695652173913) internal successors, (37), 22 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:28:42,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:28:42,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:28:42,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:28:42,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:28:42,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:28:42,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:28:42,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:28:42,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:28:42,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:28:42,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:28:42,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:28:42,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:28:42,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:28:42,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:28:42,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:28:42,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:28:42,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:28:42,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:28:42,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:28:42,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:28:42,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:28:42,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:28:42,585 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-07-14 20:28:42,585 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:28:42,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:28:42,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1132874918, now seen corresponding path program 10 times [2021-07-14 20:28:42,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:28:42,586 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991070857] [2021-07-14 20:28:42,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:28:42,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:28:42,687 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 36 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:28:42,688 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:28:42,688 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991070857] [2021-07-14 20:28:42,688 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991070857] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:28:42,688 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956649978] [2021-07-14 20:28:42,688 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 20:28:42,720 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 20:28:42,720 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:28:42,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-14 20:28:42,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:28:42,777 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 45 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:28:42,778 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1956649978] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:28:42,778 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:28:42,778 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2021-07-14 20:28:42,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240018509] [2021-07-14 20:28:42,778 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-14 20:28:42,778 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:28:42,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-14 20:28:42,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2021-07-14 20:28:42,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:28:42,779 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:28:42,779 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 17 states have internal predecessors, (26), 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 20:28:42,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:28:42,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:28:42,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:28:42,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:28:42,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:28:42,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:28:42,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:28:42,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:28:42,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:28:42,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:28:42,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:28:42,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:28:42,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:28:42,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:28:42,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:28:42,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:28:42,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:28:42,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:28:42,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:28:42,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:28:42,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:28:42,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:28:42,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:28:42,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:28:43,141 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable200 [2021-07-14 20:28:43,141 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:28:43,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:28:43,141 INFO L82 PathProgramCache]: Analyzing trace with hash 782455791, now seen corresponding path program 11 times [2021-07-14 20:28:43,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:28:43,141 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327113075] [2021-07-14 20:28:43,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:28:43,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:28:43,217 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:28:43,217 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:28:43,217 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327113075] [2021-07-14 20:28:43,217 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327113075] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:28:43,217 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [274905063] [2021-07-14 20:28:43,218 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 20:28:43,250 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 20:28:43,250 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:28:43,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 37 conjunts are in the unsatisfiable core [2021-07-14 20:28:43,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:28:43,713 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-07-14 20:28:43,714 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:28:43,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 19 new quantified variables, introduced 45 case distinctions, treesize of input 47 treesize of output 394 [2021-07-14 20:28:44,443 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 227 [2021-07-14 20:28:44,546 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 236 [2021-07-14 20:28:44,769 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 252 [2021-07-14 20:28:44,975 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 258 [2021-07-14 20:28:45,078 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 206 [2021-07-14 20:28:46,429 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 287 [2021-07-14 20:28:47,214 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 480 DAG size of output: 370 [2021-07-14 20:28:47,576 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 395 [2021-07-14 20:28:48,035 WARN L205 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 442 [2021-07-14 20:28:48,166 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 234 [2021-07-14 20:28:49,848 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 270 [2021-07-14 20:28:50,108 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 379 [2021-07-14 20:28:50,438 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 419 [2021-07-14 20:28:50,861 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 667 DAG size of output: 486 [2021-07-14 20:28:51,853 WARN L205 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 1125 DAG size of output: 757 [2021-07-14 20:28:52,983 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 1132 DAG size of output: 747 [2021-07-14 20:28:54,116 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 1132 DAG size of output: 747 [2021-07-14 20:28:55,364 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 1143 DAG size of output: 758 [2021-07-14 20:28:56,789 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 756 DAG size of output: 858 [2021-07-14 20:28:57,245 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 459 [2021-07-14 20:28:57,416 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 212 [2021-07-14 20:28:57,932 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 183 [2021-07-14 20:28:58,055 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 205 [2021-07-14 20:28:58,564 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 239 [2021-07-14 20:28:58,708 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 271 [2021-07-14 20:28:58,933 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 358 [2021-07-14 20:28:59,643 WARN L205 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 686 [2021-07-14 20:29:00,157 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 491 [2021-07-14 20:29:00,567 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 302 [2021-07-14 20:29:00,922 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 231 [2021-07-14 20:29:01,091 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 459 DAG size of output: 334 [2021-07-14 20:29:01,401 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 378 [2021-07-14 20:29:01,948 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 300 [2021-07-14 20:29:02,241 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 704 DAG size of output: 431 [2021-07-14 20:29:02,638 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 711 DAG size of output: 437 [2021-07-14 20:29:03,218 WARN L205 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 1016 DAG size of output: 596 [2021-07-14 20:29:03,866 WARN L205 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 1016 DAG size of output: 596 [2021-07-14 20:29:04,544 WARN L205 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 1022 DAG size of output: 554 [2021-07-14 20:29:04,821 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 433 [2021-07-14 20:29:05,358 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 209 [2021-07-14 20:29:05,683 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 239 [2021-07-14 20:29:06,049 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 447 [2021-07-14 20:29:06,288 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 279 [2021-07-14 20:29:06,516 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 303 [2021-07-14 20:29:06,770 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 368 [2021-07-14 20:29:07,146 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 436 [2021-07-14 20:29:07,531 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 436 [2021-07-14 20:29:07,935 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 439 [2021-07-14 20:29:08,168 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 335 [2021-07-14 20:29:08,730 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:29:08,731 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:29:08,735 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:29:08,735 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-07-14 20:29:08,740 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:29:08,740 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [274905063] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:29:08,740 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:29:08,740 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17] total 27 [2021-07-14 20:29:08,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942913965] [2021-07-14 20:29:08,741 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-14 20:29:08,741 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:29:08,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-14 20:29:08,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-07-14 20:29:08,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:29:08,741 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:29:08,741 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 27 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 20:29:08,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:29:08,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:29:08,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:29:08,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:29:08,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:29:08,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:29:08,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:29:08,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:29:08,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:29:08,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:29:08,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:29:08,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:29:08,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:29:08,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:29:08,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:29:08,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:29:08,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:29:08,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:29:08,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:29:08,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:29:08,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:29:08,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:29:08,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:29:08,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:29:08,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:29:08,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:29:09,054 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable201 [2021-07-14 20:29:09,054 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:29:09,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:29:09,054 INFO L82 PathProgramCache]: Analyzing trace with hash 467408879, now seen corresponding path program 12 times [2021-07-14 20:29:09,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:29:09,055 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378629644] [2021-07-14 20:29:09,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:29:09,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:29:09,197 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 55 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:29:09,197 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:29:09,198 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378629644] [2021-07-14 20:29:09,198 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378629644] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:29:09,198 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [887021585] [2021-07-14 20:29:09,198 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 20:29:09,231 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-14 20:29:09,232 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:29:09,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-14 20:29:09,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:29:09,288 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 66 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:29:09,289 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [887021585] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:29:09,289 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:29:09,289 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 20 [2021-07-14 20:29:09,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637141594] [2021-07-14 20:29:09,289 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-14 20:29:09,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:29:09,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-14 20:29:09,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2021-07-14 20:29:09,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:29:09,290 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:29:09,291 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.380952380952381) internal successors, (29), 20 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:29:09,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:29:09,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:29:09,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:29:09,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:29:09,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:29:09,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:29:09,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:29:09,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:29:09,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:29:09,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:29:09,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:29:09,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:29:09,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:29:09,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:29:09,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:29:09,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:29:09,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:29:09,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:29:09,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:29:09,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:29:09,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:29:09,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:29:09,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:29:09,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:29:09,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:29:09,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:29:09,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:29:09,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:29:09,724 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1342,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:29:09,725 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:29:09,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:29:09,725 INFO L82 PathProgramCache]: Analyzing trace with hash 1627845062, now seen corresponding path program 13 times [2021-07-14 20:29:09,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:29:09,725 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853472588] [2021-07-14 20:29:09,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:29:09,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:29:09,837 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:29:09,837 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:29:09,837 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853472588] [2021-07-14 20:29:09,837 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853472588] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:29:09,838 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [939334304] [2021-07-14 20:29:09,838 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 20:29:09,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:29:09,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 43 conjunts are in the unsatisfiable core [2021-07-14 20:29:09,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:29:10,537 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-07-14 20:29:10,538 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:29:10,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 23 new quantified variables, introduced 66 case distinctions, treesize of input 55 treesize of output 568 [2021-07-14 20:29:11,346 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 276 [2021-07-14 20:29:11,474 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 280 [2021-07-14 20:29:12,377 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 269 [2021-07-14 20:29:12,504 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 273 [2021-07-14 20:29:12,786 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 411 [2021-07-14 20:29:13,131 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 438 [2021-07-14 20:29:13,830 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 250 [2021-07-14 20:29:13,939 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 252 [2021-07-14 20:29:14,954 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 374 [2021-07-14 20:29:15,255 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 402 [2021-07-14 20:29:16,016 WARN L205 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 770 DAG size of output: 685 [2021-07-14 20:29:16,863 WARN L205 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 812 DAG size of output: 726 [2021-07-14 20:29:17,847 WARN L205 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 833 DAG size of output: 734 [2021-07-14 20:29:18,982 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 841 DAG size of output: 738 [2021-07-14 20:29:20,123 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 841 DAG size of output: 738 [2021-07-14 20:29:21,479 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 861 DAG size of output: 758 [2021-07-14 20:29:23,169 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 760 DAG size of output: 812 [2021-07-14 20:29:23,947 WARN L205 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 464 DAG size of output: 563 [2021-07-14 20:29:24,491 WARN L205 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 646 [2021-07-14 20:29:25,211 WARN L205 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 545 [2021-07-14 20:29:25,802 WARN L205 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 536 [2021-07-14 20:29:26,116 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 313 [2021-07-14 20:29:26,934 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 303 [2021-07-14 20:29:27,667 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 314 [2021-07-14 20:29:28,039 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 500 [2021-07-14 20:29:28,504 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 754 DAG size of output: 569 [2021-07-14 20:29:28,701 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 252 [2021-07-14 20:29:29,359 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 212 [2021-07-14 20:29:29,604 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 273 [2021-07-14 20:29:29,821 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 288 [2021-07-14 20:29:30,527 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 195 [2021-07-14 20:29:30,815 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 259 [2021-07-14 20:29:31,297 WARN L205 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 597 DAG size of output: 416 [2021-07-14 20:29:32,085 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 247 [2021-07-14 20:29:32,259 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 262 [2021-07-14 20:29:32,388 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 250 [2021-07-14 20:29:32,984 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 191 [2021-07-14 20:29:33,134 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 252 [2021-07-14 20:29:33,322 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 253 [2021-07-14 20:29:33,553 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 268 [2021-07-14 20:29:34,032 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 397 [2021-07-14 20:29:34,984 WARN L205 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 975 DAG size of output: 585 [2021-07-14 20:29:36,584 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 1575 DAG size of output: 971 [2021-07-14 20:29:37,456 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 336 [2021-07-14 20:29:37,807 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 355 [2021-07-14 20:29:38,044 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 339 [2021-07-14 20:29:39,064 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 308 [2021-07-14 20:29:39,194 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 322 [2021-07-14 20:29:39,727 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 597 DAG size of output: 379 [2021-07-14 20:29:39,998 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 401 [2021-07-14 20:29:40,326 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 639 DAG size of output: 412 [2021-07-14 20:29:41,277 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 324 [2021-07-14 20:29:41,475 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 334 [2021-07-14 20:29:42,069 WARN L205 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 866 DAG size of output: 570 [2021-07-14 20:29:43,309 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 282 [2021-07-14 20:29:43,556 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 386 [2021-07-14 20:29:43,933 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 444 [2021-07-14 20:29:44,891 WARN L205 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 1125 DAG size of output: 748 [2021-07-14 20:29:46,221 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1273 DAG size of output: 863 [2021-07-14 20:29:46,474 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 273 [2021-07-14 20:29:47,329 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 281 [2021-07-14 20:29:47,486 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 313 [2021-07-14 20:29:48,095 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 281 [2021-07-14 20:29:48,399 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 609 DAG size of output: 428 [2021-07-14 20:29:49,454 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 324 [2021-07-14 20:29:49,677 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 374 [2021-07-14 20:29:50,208 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 756 DAG size of output: 529 [2021-07-14 20:29:52,216 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 1662 DAG size of output: 1121 [2021-07-14 20:29:52,490 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 336 [2021-07-14 20:29:52,681 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 278 [2021-07-14 20:29:53,381 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 208 [2021-07-14 20:29:53,525 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 220 [2021-07-14 20:29:54,348 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 215 [2021-07-14 20:29:54,503 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 236 [2021-07-14 20:29:54,853 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 345 [2021-07-14 20:29:54,982 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 242 [2021-07-14 20:29:56,402 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 303 [2021-07-14 20:29:56,688 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 323 [2021-07-14 20:29:57,233 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 666 DAG size of output: 465 [2021-07-14 20:29:57,352 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 307 [2021-07-14 20:29:58,091 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 206 [2021-07-14 20:29:58,744 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 285 [2021-07-14 20:29:59,666 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 255 [2021-07-14 20:29:59,846 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 279 [2021-07-14 20:30:00,285 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 424 [2021-07-14 20:30:00,872 WARN L205 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 642 DAG size of output: 511 [2021-07-14 20:30:02,203 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1161 DAG size of output: 818 [2021-07-14 20:30:05,851 WARN L205 SmtUtils]: Spent 3.64 s on a formula simplification. DAG size of input: 2529 DAG size of output: 1673 [2021-07-14 20:30:10,191 WARN L205 SmtUtils]: Spent 4.33 s on a formula simplification. DAG size of input: 2885 DAG size of output: 1923 [2021-07-14 20:30:16,811 WARN L205 SmtUtils]: Spent 6.61 s on a formula simplification. DAG size of input: 4260 DAG size of output: 2683 [2021-07-14 20:30:24,444 WARN L205 SmtUtils]: Spent 7.61 s on a formula simplification. DAG size of input: 4417 DAG size of output: 2844 [2021-07-14 20:30:33,147 WARN L205 SmtUtils]: Spent 8.69 s on a formula simplification. DAG size of input: 4663 DAG size of output: 2936 [2021-07-14 20:30:33,738 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 626 [2021-07-14 20:30:34,500 WARN L205 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 525 [2021-07-14 20:30:35,122 WARN L205 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 490 [2021-07-14 20:30:36,542 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 464 [2021-07-14 20:30:36,727 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 479 DAG size of output: 470 [2021-07-14 20:30:37,064 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 813 DAG size of output: 655 [2021-07-14 20:30:37,289 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 221 [2021-07-14 20:30:38,510 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 181 [2021-07-14 20:30:39,027 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 179 [2021-07-14 20:30:39,246 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 241 [2021-07-14 20:30:39,527 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 244 [2021-07-14 20:30:39,925 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 287 [2021-07-14 20:30:40,816 WARN L205 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 681 [2021-07-14 20:30:41,765 WARN L205 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 584 [2021-07-14 20:30:42,611 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 499 [2021-07-14 20:30:42,786 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 324 [2021-07-14 20:30:42,929 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 322 [2021-07-14 20:30:43,819 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 201 [2021-07-14 20:30:44,532 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 286 [2021-07-14 20:30:45,401 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 214 [2021-07-14 20:30:45,555 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 256 [2021-07-14 20:30:46,265 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 347 [2021-07-14 20:30:46,851 WARN L205 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 524 [2021-07-14 20:30:48,115 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 266 [2021-07-14 20:30:49,976 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 191 [2021-07-14 20:30:50,162 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 262 [2021-07-14 20:30:50,463 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 355 [2021-07-14 20:30:50,874 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 397 [2021-07-14 20:30:51,546 WARN L205 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 559 [2021-07-14 20:30:52,913 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 977 DAG size of output: 792 [2021-07-14 20:30:54,337 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1064 DAG size of output: 842 [2021-07-14 20:30:56,067 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 1243 DAG size of output: 920 [2021-07-14 20:30:58,167 WARN L205 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 1442 DAG size of output: 1089 [2021-07-14 20:30:58,703 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 457 [2021-07-14 20:30:58,965 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 383 [2021-07-14 20:30:59,300 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 429 [2021-07-14 20:31:00,132 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 249 [2021-07-14 20:31:00,973 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 344 [2021-07-14 20:31:01,340 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 395 [2021-07-14 20:31:02,701 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 332 [2021-07-14 20:31:03,025 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 381 [2021-07-14 20:31:03,370 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 401 [2021-07-14 20:31:04,084 WARN L205 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 692 DAG size of output: 593 [2021-07-14 20:31:04,461 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 444 [2021-07-14 20:31:05,335 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 233 [2021-07-14 20:31:05,494 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 245 [2021-07-14 20:31:06,130 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 345 [2021-07-14 20:31:06,515 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 398 [2021-07-14 20:31:07,228 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 217 [2021-07-14 20:31:07,834 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 245 [2021-07-14 20:31:08,105 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 344 [2021-07-14 20:31:08,494 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 397 [2021-07-14 20:31:09,225 WARN L205 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 601 [2021-07-14 20:31:10,508 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1077 DAG size of output: 809 [2021-07-14 20:31:12,031 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1165 DAG size of output: 847 [2021-07-14 20:31:16,154 WARN L205 SmtUtils]: Spent 4.12 s on a formula simplification. DAG size of input: 2290 DAG size of output: 1526 [2021-07-14 20:31:21,753 WARN L205 SmtUtils]: Spent 5.59 s on a formula simplification. DAG size of input: 3340 DAG size of output: 2063 [2021-07-14 20:31:28,282 WARN L205 SmtUtils]: Spent 6.51 s on a formula simplification. DAG size of input: 3491 DAG size of output: 2236 [2021-07-14 20:31:35,900 WARN L205 SmtUtils]: Spent 7.60 s on a formula simplification. DAG size of input: 3713 DAG size of output: 2317 [2021-07-14 20:31:52,888 WARN L205 SmtUtils]: Spent 16.97 s on a formula simplification. DAG size of input: 7370 DAG size of output: 4532 [2021-07-14 20:32:13,371 WARN L205 SmtUtils]: Spent 20.45 s on a formula simplification. DAG size of input: 7654 DAG size of output: 4652 [2021-07-14 20:32:33,860 WARN L205 SmtUtils]: Spent 20.46 s on a formula simplification. DAG size of input: 7654 DAG size of output: 4652 [2021-07-14 20:32:57,115 WARN L205 SmtUtils]: Spent 23.23 s on a formula simplification. DAG size of input: 7669 DAG size of output: 4667 [2021-07-14 20:32:57,837 WARN L205 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 4661 [2021-07-14 20:33:23,304 WARN L205 SmtUtils]: Spent 25.44 s on a formula simplification. DAG size of input: 4663 DAG size of output: 6220 [2021-07-14 20:33:32,413 WARN L205 SmtUtils]: Spent 9.07 s on a formula simplification. DAG size of input: 4573 DAG size of output: 4534 [2021-07-14 20:33:53,331 WARN L205 SmtUtils]: Spent 20.89 s on a formula simplification. DAG size of input: 4531 DAG size of output: 4865 [2021-07-14 20:34:07,011 WARN L205 SmtUtils]: Spent 13.65 s on a formula simplification. DAG size of input: 3153 DAG size of output: 3275 [2021-07-14 20:34:16,144 WARN L205 SmtUtils]: Spent 9.11 s on a formula simplification. DAG size of input: 3100 DAG size of output: 3091 [2021-07-14 20:34:32,346 WARN L205 SmtUtils]: Spent 16.18 s on a formula simplification. DAG size of input: 2740 DAG size of output: 4110 [2021-07-14 20:34:33,196 WARN L205 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 2692 DAG size of output: 2692 [2021-07-14 20:34:33,456 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 256 [2021-07-14 20:34:33,889 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 1341 [2021-07-14 20:34:34,154 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 1234 [2021-07-14 20:34:34,287 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2021-07-14 20:34:34,419 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 668 DAG size of output: 668 [2021-07-14 20:34:34,536 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 635 DAG size of output: 635 [2021-07-14 20:34:35,896 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 685 [2021-07-14 20:34:36,433 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 596 DAG size of output: 558 [2021-07-14 20:34:37,437 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 189 [2021-07-14 20:34:37,628 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 318 [2021-07-14 20:34:37,949 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 429 [2021-07-14 20:34:38,381 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 846 DAG size of output: 502 [2021-07-14 20:34:38,736 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 450 [2021-07-14 20:34:39,157 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 1736 DAG size of output: 1736 [2021-07-14 20:34:39,355 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 1598 [2021-07-14 20:34:39,657 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 1498 [2021-07-14 20:34:39,899 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 1220 DAG size of output: 1220 [2021-07-14 20:34:40,327 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 1076 DAG size of output: 852 [2021-07-14 20:34:40,822 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 705 [2021-07-14 20:34:42,595 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 487 DAG size of output: 313 [2021-07-14 20:34:42,855 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 375 [2021-07-14 20:34:44,554 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 357 [2021-07-14 20:34:45,861 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 227 [2021-07-14 20:34:46,859 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 391 [2021-07-14 20:34:47,339 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 871 DAG size of output: 621 [2021-07-14 20:34:48,220 WARN L205 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 1446 DAG size of output: 922 [2021-07-14 20:34:49,287 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1728 DAG size of output: 970 [2021-07-14 20:34:50,332 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 1758 DAG size of output: 839 [2021-07-14 20:34:50,572 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 283 [2021-07-14 20:34:52,118 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 1922 DAG size of output: 903 [2021-07-14 20:34:53,943 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 2598 DAG size of output: 1165 [2021-07-14 20:34:59,389 WARN L205 SmtUtils]: Spent 5.43 s on a formula simplification. DAG size of input: 4518 DAG size of output: 2219 [2021-07-14 20:35:00,074 WARN L205 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 525 [2021-07-14 20:35:00,402 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 477 [2021-07-14 20:35:01,281 WARN L205 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 729 [2021-07-14 20:35:01,539 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 468 DAG size of output: 338 [2021-07-14 20:35:02,208 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 273 [2021-07-14 20:35:02,462 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 279 [2021-07-14 20:35:02,779 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 325 [2021-07-14 20:35:09,200 WARN L205 SmtUtils]: Spent 6.41 s on a formula simplification. DAG size of input: 4961 DAG size of output: 2195 [2021-07-14 20:35:16,944 WARN L205 SmtUtils]: Spent 7.73 s on a formula simplification. DAG size of input: 5328 DAG size of output: 2407 [2021-07-14 20:35:26,774 WARN L205 SmtUtils]: Spent 9.81 s on a formula simplification. DAG size of input: 6680 DAG size of output: 2674 [2021-07-14 20:35:37,704 WARN L205 SmtUtils]: Spent 10.91 s on a formula simplification. DAG size of input: 6693 DAG size of output: 2686 [2021-07-14 20:35:50,982 WARN L205 SmtUtils]: Spent 13.25 s on a formula simplification. DAG size of input: 8215 DAG size of output: 3079 [2021-07-14 20:36:04,195 WARN L205 SmtUtils]: Spent 13.18 s on a formula simplification. DAG size of input: 8215 DAG size of output: 3079 [2021-07-14 20:36:19,721 WARN L205 SmtUtils]: Spent 15.48 s on a formula simplification. DAG size of input: 8225 DAG size of output: 3069 [2021-07-14 20:36:32,179 WARN L205 SmtUtils]: Spent 12.44 s on a formula simplification. DAG size of input: 3054 DAG size of output: 3247 [2021-07-14 20:36:37,766 WARN L205 SmtUtils]: Spent 5.57 s on a formula simplification. DAG size of input: 2778 DAG size of output: 2144 [2021-07-14 20:36:42,207 WARN L205 SmtUtils]: Spent 4.43 s on a formula simplification. DAG size of input: 1921 DAG size of output: 2107 [2021-07-14 20:36:46,210 WARN L205 SmtUtils]: Spent 3.99 s on a formula simplification. DAG size of input: 1844 DAG size of output: 1869 [2021-07-14 20:36:46,402 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 1774 [2021-07-14 20:36:46,568 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 1623 [2021-07-14 20:36:46,753 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 271 [2021-07-14 20:36:47,294 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 234 [2021-07-14 20:36:47,749 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 302 [2021-07-14 20:36:47,895 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 1442 [2021-07-14 20:36:48,181 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 262 [2021-07-14 20:36:48,343 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 233 [2021-07-14 20:36:49,123 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 1292 DAG size of output: 1292 [2021-07-14 20:36:49,322 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 265 [2021-07-14 20:36:49,573 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 204 [2021-07-14 20:36:49,748 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 214 [2021-07-14 20:36:50,701 WARN L205 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 1104 DAG size of output: 1104 [2021-07-14 20:36:51,361 WARN L205 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 490 [2021-07-14 20:36:52,294 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 509 [2021-07-14 20:36:52,834 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 338 [2021-07-14 20:36:53,108 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 441 [2021-07-14 20:36:53,482 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 535 [2021-07-14 20:36:54,138 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 353 [2021-07-14 20:36:54,799 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 204 [2021-07-14 20:36:54,927 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 216 [2021-07-14 20:36:55,537 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 291 [2021-07-14 20:36:56,248 WARN L205 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 1185 DAG size of output: 751 [2021-07-14 20:36:57,261 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 1369 DAG size of output: 911 [2021-07-14 20:36:58,396 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 1497 DAG size of output: 994 [2021-07-14 20:36:59,722 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1806 DAG size of output: 1194 [2021-07-14 20:36:59,903 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 248 [2021-07-14 20:37:00,080 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 207 [2021-07-14 20:37:00,359 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 232 [2021-07-14 20:37:01,027 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 207 [2021-07-14 20:37:01,177 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 223 [2021-07-14 20:37:02,714 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 2038 DAG size of output: 1341 [2021-07-14 20:37:04,659 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 2187 DAG size of output: 1400 [2021-07-14 20:37:07,556 WARN L205 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 2655 DAG size of output: 1823 [2021-07-14 20:37:11,276 WARN L205 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 2932 DAG size of output: 2078 [2021-07-14 20:37:15,996 WARN L205 SmtUtils]: Spent 4.70 s on a formula simplification. DAG size of input: 3415 DAG size of output: 2208 [2021-07-14 20:37:21,295 WARN L205 SmtUtils]: Spent 5.28 s on a formula simplification. DAG size of input: 3441 DAG size of output: 2213 [2021-07-14 20:37:26,646 WARN L205 SmtUtils]: Spent 5.34 s on a formula simplification. DAG size of input: 3441 DAG size of output: 2213 [2021-07-14 20:37:32,477 WARN L205 SmtUtils]: Spent 5.82 s on a formula simplification. DAG size of input: 3444 DAG size of output: 2217 [2021-07-14 20:37:32,703 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 2213 [2021-07-14 20:37:33,162 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 2213 DAG size of output: 2213 [2021-07-14 20:37:33,396 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 2208 [2021-07-14 20:37:37,774 WARN L205 SmtUtils]: Spent 4.37 s on a formula simplification. DAG size of input: 2078 DAG size of output: 1870 [2021-07-14 20:37:38,029 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 1107 [2021-07-14 20:37:39,828 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1010 DAG size of output: 875 [2021-07-14 20:37:40,321 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 416 [2021-07-14 20:37:40,489 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 188 [2021-07-14 20:37:40,929 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 197 [2021-07-14 20:37:41,935 WARN L205 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 529 [2021-07-14 20:37:42,093 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 289 [2021-07-14 20:37:42,654 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 258 [2021-07-14 20:37:43,322 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 286 [2021-07-14 20:37:43,559 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 593 DAG size of output: 383 [2021-07-14 20:37:43,731 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 947 DAG size of output: 945 [2021-07-14 20:37:44,993 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 789 DAG size of output: 735 [2021-07-14 20:37:45,520 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 547 [2021-07-14 20:37:45,978 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 537 DAG size of output: 464 [2021-07-14 20:37:46,605 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 242 [2021-07-14 20:37:46,754 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 252 [2021-07-14 20:37:47,041 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 239 [2021-07-14 20:37:47,672 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 315 [2021-07-14 20:37:47,798 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 196 [2021-07-14 20:37:48,190 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 582 DAG size of output: 346 [2021-07-14 20:37:48,486 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 589 DAG size of output: 350 [2021-07-14 20:37:49,013 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 574 [2021-07-14 20:37:49,288 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 292 [2021-07-14 20:37:49,429 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 195 [2021-07-14 20:37:50,121 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 213 [2021-07-14 20:37:50,257 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 199 [2021-07-14 20:37:51,500 WARN L205 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 1288 DAG size of output: 687 [2021-07-14 20:37:52,384 WARN L205 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 1291 DAG size of output: 686 [2021-07-14 20:37:53,270 WARN L205 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 1291 DAG size of output: 686 [2021-07-14 20:37:54,181 WARN L205 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 1297 DAG size of output: 692 [2021-07-14 20:37:54,510 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 491 [2021-07-14 20:37:55,023 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 304 [2021-07-14 20:37:55,329 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 355 [2021-07-14 20:37:55,689 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 360 [2021-07-14 20:37:56,044 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 360 [2021-07-14 20:37:56,411 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 363 [2021-07-14 20:37:56,696 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 365 [2021-07-14 20:37:56,821 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 248 [2021-07-14 20:37:57,628 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:37:57,630 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:37:57,631 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:37:57,631 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:3 [2021-07-14 20:37:57,635 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:37:57,636 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [939334304] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:37:57,636 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:37:57,636 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 20] total 32 [2021-07-14 20:37:57,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178231203] [2021-07-14 20:37:57,636 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-14 20:37:57,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:37:57,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-14 20:37:57,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=975, Unknown=0, NotChecked=0, Total=1056 [2021-07-14 20:37:57,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:37:57,637 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:37:57,637 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 1.4848484848484849) internal successors, (49), 32 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 20:37:57,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:37:57,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:37:57,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:37:57,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:37:57,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:37:57,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:37:57,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:37:57,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:37:57,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:37:57,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:37:57,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:37:57,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:37:57,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:37:57,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:37:57,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:37:57,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:37:57,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:37:57,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:37:57,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:37:57,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:37:57,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:37:57,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:37:57,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:37:57,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:37:57,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:37:57,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:37:57,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:37:57,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:37:57,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:37:57,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:37:57,989 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1343 [2021-07-14 20:37:57,989 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:37:57,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:37:57,990 INFO L82 PathProgramCache]: Analyzing trace with hash 568831430, now seen corresponding path program 14 times [2021-07-14 20:37:57,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:37:57,990 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630838660] [2021-07-14 20:37:57,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:37:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:37:58,166 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 78 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:37:58,166 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:37:58,166 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630838660] [2021-07-14 20:37:58,166 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630838660] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:37:58,166 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [562115571] [2021-07-14 20:37:58,166 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 20:37:58,196 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 20:37:58,197 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:37:58,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-14 20:37:58,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:37:58,270 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 91 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:37:58,270 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [562115571] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:37:58,270 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:37:58,270 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 23 [2021-07-14 20:37:58,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057883181] [2021-07-14 20:37:58,270 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-14 20:37:58,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:37:58,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-14 20:37:58,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=394, Unknown=0, NotChecked=0, Total=552 [2021-07-14 20:37:58,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:37:58,271 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:37:58,271 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:37:58,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:37:58,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:37:58,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:37:58,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:37:58,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:37:58,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:37:58,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:37:58,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:37:58,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:37:58,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:37:58,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:37:58,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:37:58,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:37:58,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:37:58,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:37:58,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:37:58,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:37:58,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:37:58,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:37:58,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 20:37:58,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:37:58,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:37:58,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:37:58,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:37:58,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:37:58,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:37:58,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:37:58,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:37:58,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:37:58,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:37:58,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:37:58,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:37:58,729 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11576 [2021-07-14 20:37:58,730 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:37:58,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:37:58,739 INFO L82 PathProgramCache]: Analyzing trace with hash 476976847, now seen corresponding path program 15 times [2021-07-14 20:37:58,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:37:58,739 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245381260] [2021-07-14 20:37:58,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:37:58,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:37:58,865 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:37:58,866 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:37:58,866 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245381260] [2021-07-14 20:37:58,866 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245381260] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:37:58,866 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [471210674] [2021-07-14 20:37:58,866 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 20:37:58,906 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-07-14 20:37:58,906 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:37:58,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 49 conjunts are in the unsatisfiable core [2021-07-14 20:37:58,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:37:59,953 WARN L205 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2021-07-14 20:37:59,953 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:37:59,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 27 new quantified variables, introduced 91 case distinctions, treesize of input 63 treesize of output 774 [2021-07-14 20:38:01,030 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 301 [2021-07-14 20:38:01,207 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 334 [2021-07-14 20:38:01,440 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 363 [2021-07-14 20:38:02,721 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 673 DAG size of output: 609 [2021-07-14 20:38:03,003 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 701 DAG size of output: 636 [2021-07-14 20:38:03,607 WARN L205 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 912 [2021-07-14 20:38:04,370 WARN L205 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 1137 DAG size of output: 937 [2021-07-14 20:38:05,272 WARN L205 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 1169 DAG size of output: 969 [2021-07-14 20:38:06,413 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 1200 DAG size of output: 1000 [2021-07-14 20:38:07,741 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1232 DAG size of output: 1032 [2021-07-14 20:38:08,929 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 235 [2021-07-14 20:38:09,076 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 256 [2021-07-14 20:38:09,245 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 289 [2021-07-14 20:38:09,434 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 412 DAG size of output: 321 [2021-07-14 20:38:09,663 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 354 [2021-07-14 20:38:11,410 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 1480 DAG size of output: 1192 [2021-07-14 20:38:12,725 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 657 DAG size of output: 593 [2021-07-14 20:38:13,969 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 589 [2021-07-14 20:38:14,460 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 1250 DAG size of output: 1122 [2021-07-14 20:38:15,109 WARN L205 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 1279 DAG size of output: 1150 [2021-07-14 20:38:15,933 WARN L205 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 1310 DAG size of output: 1181 [2021-07-14 20:38:16,938 WARN L205 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 1340 DAG size of output: 1211 [2021-07-14 20:38:18,224 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1369 DAG size of output: 1239 [2021-07-14 20:38:19,760 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 460 DAG size of output: 316 [2021-07-14 20:38:19,951 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 348 [2021-07-14 20:38:20,206 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 523 DAG size of output: 375 [2021-07-14 20:38:20,507 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 406 [2021-07-14 20:38:20,832 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 436 [2021-07-14 20:38:22,748 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 1800 DAG size of output: 1526 [2021-07-14 20:38:24,951 WARN L205 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 1831 DAG size of output: 1557 [2021-07-14 20:38:29,204 WARN L205 SmtUtils]: Spent 4.24 s on a formula simplification. DAG size of input: 3112 DAG size of output: 2563 [2021-07-14 20:38:34,078 WARN L205 SmtUtils]: Spent 4.86 s on a formula simplification. DAG size of input: 3143 DAG size of output: 2594 [2021-07-14 20:38:39,385 WARN L205 SmtUtils]: Spent 5.29 s on a formula simplification. DAG size of input: 3171 DAG size of output: 2622 [2021-07-14 20:38:45,366 WARN L205 SmtUtils]: Spent 5.97 s on a formula simplification. DAG size of input: 3200 DAG size of output: 2649 [2021-07-14 20:38:52,023 WARN L205 SmtUtils]: Spent 6.64 s on a formula simplification. DAG size of input: 3246 DAG size of output: 2693 [2021-07-14 20:38:53,224 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 234 [2021-07-14 20:38:53,361 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 262 [2021-07-14 20:38:53,533 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 295 [2021-07-14 20:38:53,720 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 327 [2021-07-14 20:38:55,053 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 610 [2021-07-14 20:38:56,059 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 302 [2021-07-14 20:38:56,253 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 335 [2021-07-14 20:38:56,729 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 881 [2021-07-14 20:38:57,342 WARN L205 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 1104 DAG size of output: 911 [2021-07-14 20:38:58,104 WARN L205 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 1136 DAG size of output: 943 [2021-07-14 20:38:59,007 WARN L205 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 1168 DAG size of output: 975 [2021-07-14 20:39:00,142 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 1199 DAG size of output: 1006 [2021-07-14 20:39:01,681 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 1441 DAG size of output: 1168 [2021-07-14 20:39:03,456 WARN L205 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 1474 DAG size of output: 1201 [2021-07-14 20:39:04,470 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 302 [2021-07-14 20:39:04,660 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 335 [2021-07-14 20:39:04,897 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 493 DAG size of output: 364 [2021-07-14 20:39:06,011 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 304 [2021-07-14 20:39:06,227 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 339 [2021-07-14 20:39:06,486 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 499 DAG size of output: 370 [2021-07-14 20:39:07,034 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 890 DAG size of output: 633 [2021-07-14 20:39:07,705 WARN L205 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 923 DAG size of output: 659 [2021-07-14 20:39:08,499 WARN L205 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 957 DAG size of output: 693 [2021-07-14 20:39:09,426 WARN L205 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 990 DAG size of output: 726 [2021-07-14 20:39:10,504 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 1024 DAG size of output: 760 [2021-07-14 20:39:12,476 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1051 DAG size of output: 779 [2021-07-14 20:39:15,750 WARN L205 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 2305 DAG size of output: 1755 [2021-07-14 20:39:19,475 WARN L205 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 2338 DAG size of output: 1788 [2021-07-14 20:39:23,512 WARN L205 SmtUtils]: Spent 4.03 s on a formula simplification. DAG size of input: 2368 DAG size of output: 1818 [2021-07-14 20:39:27,994 WARN L205 SmtUtils]: Spent 4.47 s on a formula simplification. DAG size of input: 2399 DAG size of output: 1847 [2021-07-14 20:39:40,365 WARN L205 SmtUtils]: Spent 12.36 s on a formula simplification. DAG size of input: 5327 DAG size of output: 4237 [2021-07-14 20:39:54,102 WARN L205 SmtUtils]: Spent 13.71 s on a formula simplification. DAG size of input: 5355 DAG size of output: 4263 [2021-07-14 20:40:07,924 WARN L205 SmtUtils]: Spent 13.79 s on a formula simplification. DAG size of input: 5355 DAG size of output: 4263 [2021-07-14 20:40:23,945 WARN L205 SmtUtils]: Spent 16.00 s on a formula simplification. DAG size of input: 5378 DAG size of output: 4286 [2021-07-14 20:40:50,769 WARN L205 SmtUtils]: Spent 26.80 s on a formula simplification. DAG size of input: 4288 DAG size of output: 5230 [2021-07-14 20:41:21,905 WARN L205 SmtUtils]: Spent 31.10 s on a formula simplification. DAG size of input: 4282 DAG size of output: 6377 [2021-07-14 20:41:22,383 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 4274 [2021-07-14 20:41:23,685 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 309 [2021-07-14 20:41:23,921 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 334 [2021-07-14 20:41:24,529 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 231 [2021-07-14 20:41:24,650 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 256 [2021-07-14 20:41:25,311 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 244 [2021-07-14 20:41:25,569 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 352 [2021-07-14 20:41:25,874 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 375 [2021-07-14 20:41:26,496 WARN L205 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 657 DAG size of output: 545 [2021-07-14 20:41:27,124 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 240 [2021-07-14 20:41:27,787 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 250 [2021-07-14 20:41:28,024 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 346 [2021-07-14 20:41:29,227 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 299 [2021-07-14 20:41:29,735 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 618 DAG size of output: 516 [2021-07-14 20:41:30,334 WARN L205 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 643 DAG size of output: 538 [2021-07-14 20:41:31,565 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 1114 DAG size of output: 848 [2021-07-14 20:41:32,143 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 248 [2021-07-14 20:41:32,825 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 340 [2021-07-14 20:41:33,829 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 275 [2021-07-14 20:41:34,282 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 481 [2021-07-14 20:41:34,812 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 501 [2021-07-14 20:41:35,438 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 256 [2021-07-14 20:41:35,967 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 245 [2021-07-14 20:41:36,205 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 349 [2021-07-14 20:41:36,496 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 370 [2021-07-14 20:41:37,546 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 287 [2021-07-14 20:41:37,741 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 307 [2021-07-14 20:41:38,300 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 514 [2021-07-14 20:41:39,430 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 926 DAG size of output: 806 [2021-07-14 20:41:42,056 WARN L205 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 1850 DAG size of output: 1449 [2021-07-14 20:41:45,006 WARN L205 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 1896 DAG size of output: 1472 [2021-07-14 20:42:14,823 WARN L205 SmtUtils]: Spent 29.79 s on a formula simplification. DAG size of input: 4246 DAG size of output: 4857 [2021-07-14 20:42:21,366 WARN L205 SmtUtils]: Spent 6.51 s on a formula simplification. DAG size of input: 3461 DAG size of output: 3493 [2021-07-14 20:42:21,752 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 3454 [2021-07-14 20:42:21,949 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 2104 [2021-07-14 20:42:22,972 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 312 [2021-07-14 20:42:23,118 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 349 [2021-07-14 20:42:23,378 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 369 [2021-07-14 20:42:23,831 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 314 [2021-07-14 20:42:23,935 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 337 [2021-07-14 20:42:24,066 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 348 [2021-07-14 20:42:24,234 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 358 [2021-07-14 20:42:24,423 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 406 DAG size of output: 388 [2021-07-14 20:42:25,195 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 411 [2021-07-14 20:42:25,896 WARN L205 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 606 [2021-07-14 20:42:26,802 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 308 [2021-07-14 20:42:26,920 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 312 [2021-07-14 20:42:27,059 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 317 [2021-07-14 20:42:27,226 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 342 [2021-07-14 20:42:27,513 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 362 [2021-07-14 20:42:28,495 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 310 [2021-07-14 20:42:28,609 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 334 [2021-07-14 20:42:28,722 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 340 [2021-07-14 20:42:28,861 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 345 [2021-07-14 20:42:29,040 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 356 [2021-07-14 20:42:29,247 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 372 [2021-07-14 20:42:29,592 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 391 [2021-07-14 20:42:30,333 WARN L205 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 690 DAG size of output: 588 [2021-07-14 20:42:31,980 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 1166 DAG size of output: 1021 [2021-07-14 20:42:32,171 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 2061 [2021-07-14 20:42:32,716 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 2038 DAG size of output: 2038 [2021-07-14 20:42:33,078 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 2015 DAG size of output: 2015 [2021-07-14 20:42:33,923 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 319 [2021-07-14 20:42:34,485 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 305 [2021-07-14 20:42:34,787 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 333 [2021-07-14 20:42:35,692 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 342 [2021-07-14 20:42:36,323 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 326 [2021-07-14 20:42:36,638 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 356 [2021-07-14 20:42:37,014 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 396 [2021-07-14 20:42:37,840 WARN L205 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 670 DAG size of output: 585 [2021-07-14 20:42:38,816 WARN L205 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 595 [2021-07-14 20:42:44,140 WARN L205 SmtUtils]: Spent 5.31 s on a formula simplification. DAG size of input: 1987 DAG size of output: 2454 [2021-07-14 20:42:44,325 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 1982 [2021-07-14 20:42:44,763 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 285 [2021-07-14 20:42:46,304 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 318 [2021-07-14 20:42:47,158 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 151 [2021-07-14 20:42:47,366 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 222 [2021-07-14 20:42:47,736 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 233 [2021-07-14 20:42:48,109 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 237 [2021-07-14 20:42:48,381 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 248 [2021-07-14 20:42:48,735 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 315 [2021-07-14 20:42:49,419 WARN L205 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 338 [2021-07-14 20:42:50,243 WARN L205 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 359 [2021-07-14 20:42:50,968 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 153 [2021-07-14 20:42:51,385 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 241 [2021-07-14 20:42:51,767 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 237 [2021-07-14 20:42:52,040 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 252 [2021-07-14 20:42:52,552 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 270 [2021-07-14 20:42:53,167 WARN L205 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 291 [2021-07-14 20:42:54,847 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 721 DAG size of output: 403 [2021-07-14 20:42:56,576 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 821 DAG size of output: 501 [2021-07-14 20:42:58,389 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 825 DAG size of output: 506 [2021-07-14 20:43:00,545 WARN L205 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 830 DAG size of output: 511 [2021-07-14 20:43:03,003 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 847 DAG size of output: 540 [2021-07-14 20:43:05,849 WARN L205 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 914 DAG size of output: 554 [2021-07-14 20:43:09,267 WARN L205 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 1100 DAG size of output: 714 [2021-07-14 20:43:13,299 WARN L205 SmtUtils]: Spent 4.03 s on a formula simplification. DAG size of input: 1217 DAG size of output: 729 Received shutdown request... [2021-07-14 20:43:18,097 WARN L205 SmtUtils]: Spent 4.60 s on a formula simplification. DAG size of input: 1294 DAG size of output: 802 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown