/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-NewStatesSleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 10:55:49,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 10:55:49,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 10:55:49,137 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 10:55:49,158 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 10:55:49,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 10:55:49,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 10:55:49,159 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-NewStatesSleepPersistent-NoLbe.epf [2021-07-14 10:55:49,183 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 10:55:49,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 10:55:49,183 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 10:55:49,183 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 10:55:49,184 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 10:55:49,184 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 10:55:49,184 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 10:55:49,185 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 10:55:49,185 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 10:55:49,185 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 10:55:49,185 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 10:55:49,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 10:55:49,185 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 10:55:49,185 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 10:55:49,185 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 10:55:49,185 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 10:55:49,186 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 10:55:49,186 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 10:55:49,186 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 10:55:49,186 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 10:55:49,186 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 10:55:49,186 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 10:55:49,186 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 10:55:49,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 10:55:49,186 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 10:55:49,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 10:55:49,187 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 10:55:49,187 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 10:55:49,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 10:55:49,187 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 10:55:49,187 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 10:55:49,187 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 10:55:49,187 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-14 10:55:49,187 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 10:55:49,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 10:55:49,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 10:55:49,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 10:55:49,458 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 10:55:49,460 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 10:55:49,461 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl [2021-07-14 10:55:49,461 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl' [2021-07-14 10:55:49,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 10:55:49,483 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 10:55:49,483 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 10:55:49,483 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 10:55:49,484 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 10:55:49,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:55:49" (1/1) ... [2021-07-14 10:55:49,499 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:55:49" (1/1) ... [2021-07-14 10:55:49,506 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 10:55:49,508 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 10:55:49,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 10:55:49,509 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 10:55:49,514 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:55:49" (1/1) ... [2021-07-14 10:55:49,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:55:49" (1/1) ... [2021-07-14 10:55:49,515 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:55:49" (1/1) ... [2021-07-14 10:55:49,515 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:55:49" (1/1) ... [2021-07-14 10:55:49,517 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:55:49" (1/1) ... [2021-07-14 10:55:49,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:55:49" (1/1) ... [2021-07-14 10:55:49,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:55:49" (1/1) ... [2021-07-14 10:55:49,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 10:55:49,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 10:55:49,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 10:55:49,522 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 10:55:49,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:55:49" (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 10:55:49,585 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 10:55:49,585 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 10:55:49,585 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 10:55:49,586 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 10:55:49,586 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 10:55:49,586 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 10:55:49,586 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 10:55:49,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 10:55:49,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 10:55:49,587 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 10:55:49,587 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 10:55:49,587 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 10:55:49,588 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 10:55:49,791 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 10:55:49,791 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 10:55:49,792 INFO L202 PluginConnector]: Adding new model prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 10:55:49 BoogieIcfgContainer [2021-07-14 10:55:49,792 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 10:55:49,794 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 10:55:49,794 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 10:55:49,796 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 10:55:49,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:55:49" (1/2) ... [2021-07-14 10:55:49,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2461073b and model type prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 10:55:49, skipping insertion in model container [2021-07-14 10:55:49,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 10:55:49" (2/2) ... [2021-07-14 10:55:49,797 INFO L111 eAbstractionObserver]: Analyzing ICFG prod-cons-eq.wvr.bpl [2021-07-14 10:55:49,810 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 10:55:49,810 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 10:55:49,810 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 10:55:49,811 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 10:55:49,836 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-14 10:55:49,864 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 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 10:55:49,904 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 10:55:49,904 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 10:55:49,905 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 10:55:49,905 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 10:55:49,905 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 10:55:49,905 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 10:55:49,905 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 10:55:49,905 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 10:55:50,035 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:55:50,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:55:50,041 INFO L82 PathProgramCache]: Analyzing trace with hash -1461654929, now seen corresponding path program 1 times [2021-07-14 10:55:50,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:55:50,047 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245114734] [2021-07-14 10:55:50,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:55:50,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:55:50,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:55:50,134 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:55:50,135 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245114734] [2021-07-14 10:55:50,136 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245114734] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 10:55:50,136 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 10:55:50,136 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 10:55:50,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135242810] [2021-07-14 10:55:50,140 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 10:55:50,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:55:50,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 10:55:50,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 10:55:50,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:55:50,154 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:55:50,155 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 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 10:55:50,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:55:50,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:55:50,183 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 10:55:50,183 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:55:50,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:55:50,184 INFO L82 PathProgramCache]: Analyzing trace with hash -622080014, now seen corresponding path program 1 times [2021-07-14 10:55:50,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:55:50,184 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438001602] [2021-07-14 10:55:50,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:55:50,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:55:50,247 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 10:55:50,248 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:55:50,248 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438001602] [2021-07-14 10:55:50,248 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438001602] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 10:55:50,248 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 10:55:50,248 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 10:55:50,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920730206] [2021-07-14 10:55:50,251 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 10:55:50,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:55:50,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 10:55:50,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-07-14 10:55:50,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:55:50,253 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:55:50,254 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 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 10:55:50,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:55:50,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:55:50,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:55:50,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:55:50,328 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 10:55:50,328 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:55:50,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:55:50,328 INFO L82 PathProgramCache]: Analyzing trace with hash 1883867381, now seen corresponding path program 1 times [2021-07-14 10:55:50,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:55:50,329 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406884189] [2021-07-14 10:55:50,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:55:50,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:55:50,423 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 10:55:50,424 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:55:50,424 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406884189] [2021-07-14 10:55:50,424 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406884189] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:55:50,424 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [160866628] [2021-07-14 10:55:50,424 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 10:55:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:55:50,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2021-07-14 10:55:50,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:55:50,566 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 10:55:50,567 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [160866628] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 10:55:50,567 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-14 10:55:50,567 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2021-07-14 10:55:50,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768962805] [2021-07-14 10:55:50,568 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 10:55:50,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:55:50,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 10:55:50,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-07-14 10:55:50,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:55:50,569 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:55:50,569 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 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 10:55:50,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:55:50,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:55:50,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:55:50,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:55:50,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:55:50,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:55:50,801 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:55:50,801 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:55:50,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:55:50,802 INFO L82 PathProgramCache]: Analyzing trace with hash 1781568532, now seen corresponding path program 2 times [2021-07-14 10:55:50,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:55:50,802 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025498535] [2021-07-14 10:55:50,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:55:50,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:55:50,875 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:55:50,875 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:55:50,876 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025498535] [2021-07-14 10:55:50,876 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025498535] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:55:50,876 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [488209007] [2021-07-14 10:55:50,876 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 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 10:55:50,914 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 10:55:50,915 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:55:50,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-14 10:55:50,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:55:51,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 10:55:51,029 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:55:51,031 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:55:51,032 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:55:51,032 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2021-07-14 10:55:51,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-07-14 10:55:51,069 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 10:55:51,073 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:55:51,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-07-14 10:55:51,077 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:55:51,078 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:55:51,082 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:55:51,082 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:19, output treesize:3 [2021-07-14 10:55:51,096 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:55:51,096 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [488209007] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:55:51,096 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:55:51,096 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2021-07-14 10:55:51,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698501669] [2021-07-14 10:55:51,097 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 10:55:51,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:55:51,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 10:55:51,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-07-14 10:55:51,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:55:51,098 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:55:51,098 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 6 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 10:55:51,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:55:51,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:55:51,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:55:51,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:55:51,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:55:51,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:55:51,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:55:51,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:55:51,348 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:55:51,349 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:55:51,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:55:51,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1905003351, now seen corresponding path program 3 times [2021-07-14 10:55:51,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:55:51,350 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044021683] [2021-07-14 10:55:51,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:55:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:55:51,395 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 10:55:51,395 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:55:51,395 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044021683] [2021-07-14 10:55:51,395 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044021683] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:55:51,396 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1030270338] [2021-07-14 10:55:51,396 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 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 10:55:51,427 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-14 10:55:51,428 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:55:51,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-14 10:55:51,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:55:51,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-07-14 10:55:51,469 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:55:51,470 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:55:51,470 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:55:51,470 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:4 [2021-07-14 10:55:51,482 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 10:55:51,483 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1030270338] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:55:51,483 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:55:51,483 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 9 [2021-07-14 10:55:51,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852368246] [2021-07-14 10:55:51,483 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 10:55:51,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:55:51,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 10:55:51,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-07-14 10:55:51,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:55:51,484 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:55:51,485 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 3.3) internal successors, (33), 9 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 10:55:51,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:55:51,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:55:51,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:55:51,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:55:51,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:55:51,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:55:51,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:55:51,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:55:51,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:55:51,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:55:51,916 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:55:51,917 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:55:51,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:55:51,917 INFO L82 PathProgramCache]: Analyzing trace with hash 295544116, now seen corresponding path program 4 times [2021-07-14 10:55:51,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:55:51,917 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185642819] [2021-07-14 10:55:51,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:55:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:55:51,980 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 10:55:51,981 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:55:51,981 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185642819] [2021-07-14 10:55:51,981 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185642819] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:55:51,981 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [845730926] [2021-07-14 10:55:51,981 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 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 10:55:52,018 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 10:55:52,019 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:55:52,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-14 10:55:52,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:55:52,094 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 10:55:52,094 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [845730926] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:55:52,094 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:55:52,095 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-07-14 10:55:52,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226077524] [2021-07-14 10:55:52,095 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 10:55:52,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:55:52,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 10:55:52,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-07-14 10:55:52,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:55:52,096 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:55:52,096 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 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 10:55:52,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:55:52,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:55:52,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:55:52,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:55:52,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:55:52,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:55:52,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:55:52,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:55:52,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:55:52,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:55:52,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:55:52,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:55:52,340 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-07-14 10:55:52,341 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:55:52,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:55:52,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1144905514, now seen corresponding path program 5 times [2021-07-14 10:55:52,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:55:52,342 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121319554] [2021-07-14 10:55:52,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:55:52,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:55:52,504 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:55:52,505 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:55:52,505 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121319554] [2021-07-14 10:55:52,505 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121319554] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:55:52,505 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1736043888] [2021-07-14 10:55:52,505 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 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 10:55:52,565 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-14 10:55:52,565 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:55:52,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-14 10:55:52,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:55:52,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2021-07-14 10:55:52,656 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:55:52,660 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:55:52,662 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 10:55:52,663 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:36, output treesize:29 [2021-07-14 10:55:52,724 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:55:52,724 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 32 [2021-07-14 10:55:52,728 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:55:52,734 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:55:52,735 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:55:52,736 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:32, output treesize:17 [2021-07-14 10:55:52,791 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-14 10:55:52,792 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 23 [2021-07-14 10:55:52,794 INFO L550 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-07-14 10:55:52,797 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:55:52,803 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:55:52,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 23 treesize of output 22 [2021-07-14 10:55:52,805 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:55:52,806 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:55:52,807 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:55:52,807 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:35, output treesize:3 [2021-07-14 10:55:52,815 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:55:52,816 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1736043888] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:55:52,816 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:55:52,816 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 14 [2021-07-14 10:55:52,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517877719] [2021-07-14 10:55:52,816 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-14 10:55:52,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:55:52,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-14 10:55:52,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2021-07-14 10:55:52,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:55:52,817 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:55:52,817 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 3.0) internal successors, (45), 14 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 10:55:52,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:55:52,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:55:52,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:55:52,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:55:52,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:55:52,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:55:52,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:55:52,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:55:52,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:55:52,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:55:52,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:55:52,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:55:52,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:55:52,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 10:55:53,178 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:55:53,179 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:55:53,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:55:53,179 INFO L82 PathProgramCache]: Analyzing trace with hash -732979111, now seen corresponding path program 6 times [2021-07-14 10:55:53,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:55:53,179 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545519281] [2021-07-14 10:55:53,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:55:53,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:55:53,265 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-14 10:55:53,265 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:55:53,265 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545519281] [2021-07-14 10:55:53,265 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545519281] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:55:53,265 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34850029] [2021-07-14 10:55:53,265 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 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 10:55:53,306 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-14 10:55:53,306 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:55:53,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-14 10:55:53,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:55:53,397 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:55:53,397 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 16 treesize of output 19 [2021-07-14 10:55:53,400 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:55:53,401 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:55:53,402 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:55:53,402 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:4 [2021-07-14 10:55:53,416 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-14 10:55:53,416 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [34850029] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:55:53,417 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:55:53,417 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 13 [2021-07-14 10:55:53,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107674903] [2021-07-14 10:55:53,417 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 10:55:53,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:55:53,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 10:55:53,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-07-14 10:55:53,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:55:53,418 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:55:53,418 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 13 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 10:55:53,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:55:53,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:55:53,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:55:53,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:55:53,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:55:53,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:55:53,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 10:55:53,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:55:53,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:55:53,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:55:53,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:55:53,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:55:53,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:55:53,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:55:53,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 10:55:53,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:55:54,133 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:55:54,133 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:55:54,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:55:54,133 INFO L82 PathProgramCache]: Analyzing trace with hash -1641404682, now seen corresponding path program 7 times [2021-07-14 10:55:54,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:55:54,134 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100186696] [2021-07-14 10:55:54,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:55:54,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:55:54,186 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-07-14 10:55:54,186 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:55:54,186 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100186696] [2021-07-14 10:55:54,186 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100186696] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:55:54,186 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270077039] [2021-07-14 10:55:54,187 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 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 10:55:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:55:54,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 10:55:54,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:55:54,302 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-07-14 10:55:54,302 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270077039] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:55:54,302 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:55:54,302 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-07-14 10:55:54,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018447101] [2021-07-14 10:55:54,309 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 10:55:54,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:55:54,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 10:55:54,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-07-14 10:55:54,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:55:54,309 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:55:54,309 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 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 10:55:54,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:55:54,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:55:54,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:55:54,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:55:54,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:55:54,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:55:54,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 10:55:54,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:55:54,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:55:54,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:55:54,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:55:54,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:55:54,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:55:54,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:55:54,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:55:54,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 10:55:54,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:55:54,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:55:54,553 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-07-14 10:55:54,554 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:55:54,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:55:54,554 INFO L82 PathProgramCache]: Analyzing trace with hash 1463106072, now seen corresponding path program 8 times [2021-07-14 10:55:54,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:55:54,554 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958220950] [2021-07-14 10:55:54,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:55:54,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:55:54,790 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:55:54,790 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:55:54,790 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958220950] [2021-07-14 10:55:54,790 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958220950] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:55:54,790 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [753586718] [2021-07-14 10:55:54,790 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 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 10:55:54,827 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 10:55:54,828 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:55:54,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 41 conjunts are in the unsatisfiable core [2021-07-14 10:55:54,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:55:54,997 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:55:54,997 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 47 treesize of output 46 [2021-07-14 10:55:55,012 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 10:55:55,020 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:55:55,036 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-07-14 10:55:55,037 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:60, output treesize:53 [2021-07-14 10:55:56,016 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:55:56,017 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 43 [2021-07-14 10:55:56,019 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:55:56,033 INFO L354 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2021-07-14 10:55:56,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 47 [2021-07-14 10:55:56,036 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:55:56,051 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:55:56,054 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 10:55:56,054 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:99, output treesize:63 [2021-07-14 10:55:56,165 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-07-14 10:55:56,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 31 [2021-07-14 10:55:56,168 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-07-14 10:55:56,171 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:55:56,184 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:55:56,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 49 [2021-07-14 10:55:56,198 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:55:56,199 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:55:56,199 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:55:56,199 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:51, output treesize:3 [2021-07-14 10:55:56,208 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:55:56,208 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [753586718] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:55:56,208 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:55:56,208 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 22 [2021-07-14 10:55:56,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460614365] [2021-07-14 10:55:56,208 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-14 10:55:56,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:55:56,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-14 10:55:56,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=455, Unknown=0, NotChecked=0, Total=506 [2021-07-14 10:55:56,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:55:56,209 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:55:56,209 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.652173913043478) internal successors, (61), 22 states have internal predecessors, (61), 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 10:55:56,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:55:56,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:55:56,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:55:56,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:55:56,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:55:56,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:55:56,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 10:55:56,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:55:56,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:55:56,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:55:56,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:55:56,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:55:56,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:55:56,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:55:56,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:55:56,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:55:56,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 10:55:56,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:55:56,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:55:56,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:55:56,640 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:55:56,641 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:55:56,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:55:56,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1992855077, now seen corresponding path program 9 times [2021-07-14 10:55:56,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:55:56,641 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842770562] [2021-07-14 10:55:56,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:55:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:55:56,755 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-14 10:55:56,755 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:55:56,755 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842770562] [2021-07-14 10:55:56,756 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842770562] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:55:56,756 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [231012713] [2021-07-14 10:55:56,756 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:55:56,791 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-14 10:55:56,792 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:55:56,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-14 10:55:56,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:55:56,947 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:55:56,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 38 [2021-07-14 10:55:56,954 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:55:56,955 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:55:56,955 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:55:56,955 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:4 [2021-07-14 10:55:56,978 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-14 10:55:56,978 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [231012713] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:55:56,978 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:55:56,978 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 16 [2021-07-14 10:55:56,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212638575] [2021-07-14 10:55:56,979 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 10:55:56,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:55:56,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 10:55:56,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2021-07-14 10:55:56,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:55:56,979 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:55:56,979 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 3.5294117647058822) internal successors, (60), 16 states have internal predecessors, (60), 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 10:55:56,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:55:56,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:55:56,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:55:56,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:55:56,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:55:56,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:55:56,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 10:55:56,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:55:56,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:55:56,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:55:56,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:55:57,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:55:57,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:55:57,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:55:57,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:55:57,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:55:57,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:55:57,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 10:55:57,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:55:57,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:55:57,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:55:57,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:55:57,720 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:55:57,721 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:55:57,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:55:57,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1016083768, now seen corresponding path program 10 times [2021-07-14 10:55:57,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:55:57,721 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356390187] [2021-07-14 10:55:57,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:55:57,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:55:57,771 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-07-14 10:55:57,771 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:55:57,771 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356390187] [2021-07-14 10:55:57,771 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356390187] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:55:57,771 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1994883657] [2021-07-14 10:55:57,771 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 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 10:55:57,807 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 10:55:57,808 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:55:57,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-14 10:55:57,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:55:57,877 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-07-14 10:55:57,877 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1994883657] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:55:57,877 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:55:57,877 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-07-14 10:55:57,878 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002256568] [2021-07-14 10:55:57,878 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 10:55:57,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:55:57,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 10:55:57,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-07-14 10:55:57,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:55:57,879 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:55:57,879 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 10:55:57,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:55:57,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:55:57,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:55:57,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:55:57,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:55:57,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:55:57,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 10:55:57,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:55:57,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:55:57,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:55:57,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:55:57,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:55:57,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:55:57,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:55:57,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:55:57,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:55:57,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:55:57,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:55:57,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 10:55:57,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:55:57,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:55:57,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:55:57,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:55:57,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:55:58,131 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-07-14 10:55:58,131 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:55:58,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:55:58,131 INFO L82 PathProgramCache]: Analyzing trace with hash -196034598, now seen corresponding path program 11 times [2021-07-14 10:55:58,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:55:58,131 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108434985] [2021-07-14 10:55:58,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:55:58,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:55:58,483 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:55:58,483 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:55:58,483 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108434985] [2021-07-14 10:55:58,483 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108434985] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:55:58,483 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850220593] [2021-07-14 10:55:58,484 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 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 10:55:58,532 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 10:55:58,532 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:55:58,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 59 conjunts are in the unsatisfiable core [2021-07-14 10:55:58,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:55:59,097 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:55:59,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 81 [2021-07-14 10:55:59,279 INFO L550 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-07-14 10:55:59,295 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:55:59,366 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-07-14 10:55:59,366 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:88, output treesize:85 [2021-07-14 10:56:00,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 51 [2021-07-14 10:56:00,101 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:56:00,112 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-07-14 10:56:00,112 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 54 [2021-07-14 10:56:00,113 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:56:00,122 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:56:00,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 59 [2021-07-14 10:56:00,124 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 10:56:00,146 INFO L354 Elim1Store]: treesize reduction 4, result has 84.0 percent of original size [2021-07-14 10:56:00,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 71 [2021-07-14 10:56:00,148 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 10:56:00,156 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-07-14 10:56:00,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 55 [2021-07-14 10:56:00,158 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 10:56:00,278 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2021-07-14 10:56:00,279 INFO L628 ElimStorePlain]: treesize reduction 13, result has 96.9 percent of original size [2021-07-14 10:56:00,304 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 5 xjuncts. [2021-07-14 10:56:00,304 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:408, output treesize:321 [2021-07-14 10:56:44,809 INFO L354 Elim1Store]: treesize reduction 338, result has 3.7 percent of original size [2021-07-14 10:56:44,809 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 8 new quantified variables, introduced 28 case distinctions, treesize of input 73 treesize of output 51 [2021-07-14 10:56:44,812 INFO L550 ElimStorePlain]: Start of recursive call 2: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-07-14 10:56:44,817 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:56:44,845 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:56:44,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 88 [2021-07-14 10:56:44,915 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:56:44,919 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:56:44,921 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:56:44,921 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:79, output treesize:3 [2021-07-14 10:56:44,929 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:56:44,930 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [850220593] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:56:44,930 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:56:44,930 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20] total 39 [2021-07-14 10:56:44,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411418044] [2021-07-14 10:56:44,931 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-14 10:56:44,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:56:44,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-14 10:56:44,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1449, Unknown=22, NotChecked=0, Total=1560 [2021-07-14 10:56:44,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:56:44,940 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:56:44,943 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 2.55) internal successors, (102), 39 states have internal predecessors, (102), 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 10:56:44,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:56:44,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:56:44,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:56:44,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:56:44,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:56:44,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:56:44,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 10:56:44,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:56:44,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:56:44,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:56:44,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:56:44,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:56:44,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:57:50,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:57:50,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:57:50,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:57:50,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:57:50,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:57:50,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:57:50,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 10:57:50,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:57:50,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:57:50,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:57:50,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:57:50,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:57:50,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:57:50,685 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2021-07-14 10:57:50,685 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:57:50,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:57:50,686 INFO L82 PathProgramCache]: Analyzing trace with hash -1737596963, now seen corresponding path program 12 times [2021-07-14 10:57:50,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:57:50,686 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206794984] [2021-07-14 10:57:50,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:57:50,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:57:50,855 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 73 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-07-14 10:57:50,855 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:57:50,855 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206794984] [2021-07-14 10:57:50,855 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206794984] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:57:50,855 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [181294388] [2021-07-14 10:57:50,855 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 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 10:57:50,891 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-14 10:57:50,892 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:57:50,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-14 10:57:50,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:57:51,085 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:57:51,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 24 treesize of output 65 [2021-07-14 10:57:51,104 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:57:51,106 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:57:51,106 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:57:51,106 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:24, output treesize:4 [2021-07-14 10:57:51,122 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 73 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-07-14 10:57:51,122 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [181294388] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:57:51,122 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:57:51,122 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 19 [2021-07-14 10:57:51,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642082011] [2021-07-14 10:57:51,123 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-14 10:57:51,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:57:51,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-14 10:57:51,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=336, Unknown=0, NotChecked=0, Total=380 [2021-07-14 10:57:51,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:57:51,123 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:57:51,123 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 3.6) internal successors, (72), 19 states have internal predecessors, (72), 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 10:57:51,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:57:51,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:57:51,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:57:51,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:57:51,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:57:51,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:57:51,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 10:57:51,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:57:51,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:57:51,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:57:51,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:57:51,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:57:51,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:57:51,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:57:51,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:57:51,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:57:51,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:57:51,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:57:51,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:57:51,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:57:51,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 10:57:51,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:57:51,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:57:51,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:57:51,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:57:51,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:57:51,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:57:51,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:57:52,010 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable250,14 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:57:52,010 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:57:52,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:57:52,010 INFO L82 PathProgramCache]: Analyzing trace with hash 2028384250, now seen corresponding path program 13 times [2021-07-14 10:57:52,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:57:52,010 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013834577] [2021-07-14 10:57:52,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:57:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:57:52,048 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 45 proven. 16 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-07-14 10:57:52,049 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:57:52,049 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013834577] [2021-07-14 10:57:52,049 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013834577] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:57:52,049 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [497356231] [2021-07-14 10:57:52,049 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 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 10:57:52,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:57:52,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 10:57:52,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:57:52,189 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 45 proven. 16 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-07-14 10:57:52,189 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [497356231] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:57:52,189 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:57:52,189 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-07-14 10:57:52,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362939011] [2021-07-14 10:57:52,191 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 10:57:52,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:57:52,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 10:57:52,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-07-14 10:57:52,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:57:52,191 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:57:52,191 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 10:57:52,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:57:52,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:57:52,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:57:52,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:57:52,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:57:52,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:57:52,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 10:57:52,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:57:52,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:57:52,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:57:52,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:57:52,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:57:52,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:57:52,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:57:52,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:57:52,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:57:52,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:57:52,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:57:52,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:57:52,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:57:52,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:57:52,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 10:57:52,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:57:52,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:57:52,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:57:52,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:57:52,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:57:52,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:57:52,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:57:52,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:57:52,444 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable262,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:57:52,445 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:57:52,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:57:52,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1962119708, now seen corresponding path program 14 times [2021-07-14 10:57:52,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:57:52,445 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323769848] [2021-07-14 10:57:52,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:57:52,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:57:52,950 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:57:52,950 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:57:52,950 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323769848] [2021-07-14 10:57:52,950 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323769848] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:57:52,950 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [486180915] [2021-07-14 10:57:52,950 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 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 10:57:52,990 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 10:57:52,990 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:57:52,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 69 conjunts are in the unsatisfiable core [2021-07-14 10:57:52,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:57:53,430 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:57:53,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 104 treesize of output 121 [2021-07-14 10:57:53,879 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-07-14 10:57:53,911 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:57:54,208 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-07-14 10:57:54,208 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:114, output treesize:119 [2021-07-14 10:57:55,185 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-07-14 10:57:55,659 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-07-14 10:57:58,478 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-07-14 10:57:58,500 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:57:58,500 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 65 [2021-07-14 10:57:58,501 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:57:58,515 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:57:58,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 65 [2021-07-14 10:57:58,516 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:57:58,530 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-07-14 10:57:58,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 61 [2021-07-14 10:57:58,532 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 10:57:58,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 57 [2021-07-14 10:57:58,539 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 10:57:58,569 INFO L354 Elim1Store]: treesize reduction 4, result has 87.9 percent of original size [2021-07-14 10:57:58,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 77 treesize of output 85 [2021-07-14 10:57:58,571 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 10:57:58,585 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:57:58,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 65 [2021-07-14 10:57:58,586 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 10:57:58,603 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-07-14 10:57:58,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 61 [2021-07-14 10:57:58,604 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 10:57:58,615 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:57:58,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 65 [2021-07-14 10:57:58,616 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 10:57:58,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 57 [2021-07-14 10:57:58,622 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 10:57:58,813 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 110 [2021-07-14 10:57:58,813 INFO L628 ElimStorePlain]: treesize reduction 191, result has 75.4 percent of original size [2021-07-14 10:57:58,826 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, End of recursive call: and 7 xjuncts. [2021-07-14 10:57:58,826 INFO L247 ElimStorePlain]: Needed 10 recursive calls to eliminate 6 variables, input treesize:810, output treesize:404 [2021-07-14 10:57:59,149 INFO L354 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2021-07-14 10:57:59,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 83 treesize of output 47 [2021-07-14 10:57:59,152 INFO L550 ElimStorePlain]: Start of recursive call 2: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-07-14 10:57:59,156 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:57:59,196 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:57:59,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 139 [2021-07-14 10:57:59,443 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 134 [2021-07-14 10:57:59,564 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 134 [2021-07-14 10:57:59,694 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 142 [2021-07-14 10:58:00,506 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 268 [2021-07-14 10:58:00,630 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 167 [2021-07-14 10:58:01,769 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 278 [2021-07-14 10:58:02,292 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 494 DAG size of output: 468 [2021-07-14 10:58:02,808 WARN L205 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 494 DAG size of output: 468 [2021-07-14 10:58:04,314 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 503 DAG size of output: 805 [2021-07-14 10:58:05,163 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:05,165 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:58:05,165 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:58:05,165 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:83, output treesize:3 [2021-07-14 10:58:05,174 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:58:05,174 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [486180915] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:58:05,174 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:58:05,174 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 38 [2021-07-14 10:58:05,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014351435] [2021-07-14 10:58:05,174 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-14 10:58:05,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:58:05,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-14 10:58:05,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1393, Unknown=0, NotChecked=0, Total=1482 [2021-07-14 10:58:05,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:58:05,175 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:58:05,175 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 2.3846153846153846) internal successors, (93), 38 states have internal predecessors, (93), 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 10:58:05,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:58:05,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:58:05,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:58:05,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:58:05,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:58:05,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:58:05,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 10:58:05,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:58:05,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:58:05,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:58:05,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:58:05,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:58:05,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:58:05,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:58:05,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:58:05,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:58:05,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:58:05,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:58:05,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:58:05,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:58:05,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:58:05,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:58:05,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 10:58:05,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:58:05,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:58:05,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:58:05,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:58:05,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:58:05,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:58:05,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:58:05,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:58:05,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:58:06,049 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable263,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:58:06,049 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:58:06,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:58:06,049 INFO L82 PathProgramCache]: Analyzing trace with hash 121064031, now seen corresponding path program 15 times [2021-07-14 10:58:06,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:58:06,049 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700222468] [2021-07-14 10:58:06,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:58:06,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:58:06,202 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-07-14 10:58:06,202 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:58:06,202 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700222468] [2021-07-14 10:58:06,202 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700222468] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:58:06,202 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974714949] [2021-07-14 10:58:06,202 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 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 10:58:06,246 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-07-14 10:58:06,246 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:58:06,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-14 10:58:06,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:58:06,487 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:58:06,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 28 treesize of output 100 [2021-07-14 10:58:06,537 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:06,539 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:58:06,539 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:58:06,539 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:4 [2021-07-14 10:58:06,555 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-07-14 10:58:06,555 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1974714949] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:58:06,555 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:58:06,555 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15] total 22 [2021-07-14 10:58:06,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557623099] [2021-07-14 10:58:06,555 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-14 10:58:06,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:58:06,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-14 10:58:06,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=455, Unknown=0, NotChecked=0, Total=506 [2021-07-14 10:58:06,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:58:06,556 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:58:06,556 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 3.652173913043478) internal successors, (84), 22 states have internal predecessors, (84), 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 10:58:06,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:58:06,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:58:06,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:58:06,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:58:06,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:58:06,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:58:06,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 10:58:06,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:58:06,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:58:06,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:58:06,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:58:06,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:58:06,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:58:06,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:58:06,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:58:06,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:58:06,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:58:07,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:58:07,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:58:07,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:58:07,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:58:07,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:58:07,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:58:07,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 10:58:07,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:58:07,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:58:07,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:58:07,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:58:07,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:58:07,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:58:07,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:58:07,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:58:07,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:58:07,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:58:07,596 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1872 [2021-07-14 10:58:07,596 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:58:07,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:58:07,597 INFO L82 PathProgramCache]: Analyzing trace with hash -379816132, now seen corresponding path program 16 times [2021-07-14 10:58:07,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:58:07,597 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991109545] [2021-07-14 10:58:07,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:58:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:58:07,649 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 66 proven. 25 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-07-14 10:58:07,649 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:58:07,649 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991109545] [2021-07-14 10:58:07,650 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991109545] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:58:07,650 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [694367259] [2021-07-14 10:58:07,650 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 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 10:58:07,686 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 10:58:07,686 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:58:07,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-14 10:58:07,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:58:07,771 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 66 proven. 25 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-07-14 10:58:07,771 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [694367259] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:58:07,771 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:58:07,771 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2021-07-14 10:58:07,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703236390] [2021-07-14 10:58:07,771 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 10:58:07,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:58:07,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 10:58:07,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-07-14 10:58:07,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:58:07,772 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:58:07,772 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 10:58:07,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:58:07,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:58:07,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:58:07,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:58:07,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:58:07,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:58:07,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 10:58:07,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:58:07,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:58:07,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:58:07,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:58:07,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:58:07,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:58:07,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:58:07,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:58:07,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:58:07,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:58:07,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:58:07,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:58:07,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:58:07,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 10:58:07,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:58:07,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:58:07,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:58:07,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 10:58:07,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:58:07,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:58:07,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 10:58:07,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:58:07,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:58:07,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:58:07,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:58:07,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:58:07,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:58:07,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:58:07,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:58:08,026 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1901,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:58:08,026 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:58:08,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:58:08,026 INFO L82 PathProgramCache]: Analyzing trace with hash -1626042146, now seen corresponding path program 17 times [2021-07-14 10:58:08,026 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:58:08,027 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136326446] [2021-07-14 10:58:08,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:58:08,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:58:08,734 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:58:08,734 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:58:08,734 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136326446] [2021-07-14 10:58:08,734 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136326446] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:58:08,735 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [267492012] [2021-07-14 10:58:08,735 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:58:08,791 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-07-14 10:58:08,792 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:58:08,793 WARN L261 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 89 conjunts are in the unsatisfiable core [2021-07-14 10:58:08,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:58:10,412 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:58:10,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 143 treesize of output 175 [2021-07-14 10:58:11,909 INFO L550 ElimStorePlain]: Start of recursive call 2: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-07-14 10:58:11,959 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:58:12,814 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-07-14 10:58:12,815 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:156, output treesize:173 [2021-07-14 10:58:14,637 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2021-07-14 10:58:16,073 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2021-07-14 10:58:18,559 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2021-07-14 10:58:18,621 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:58:18,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 83 [2021-07-14 10:58:18,623 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:18,640 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:58:18,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 83 [2021-07-14 10:58:18,642 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:18,661 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:58:18,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 83 [2021-07-14 10:58:18,663 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:18,684 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:58:18,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 83 [2021-07-14 10:58:18,686 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:18,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 75 [2021-07-14 10:58:18,709 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:18,730 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:58:18,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 83 [2021-07-14 10:58:18,731 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:18,752 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-07-14 10:58:18,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 79 [2021-07-14 10:58:18,753 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:18,803 INFO L354 Elim1Store]: treesize reduction 8, result has 80.5 percent of original size [2021-07-14 10:58:18,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 99 treesize of output 107 [2021-07-14 10:58:18,806 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:18,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 75 [2021-07-14 10:58:18,815 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:18,829 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-07-14 10:58:18,830 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 78 [2021-07-14 10:58:18,831 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:18,850 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-07-14 10:58:18,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 79 [2021-07-14 10:58:18,852 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:18,877 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-07-14 10:58:18,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 79 [2021-07-14 10:58:18,879 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:18,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 75 [2021-07-14 10:58:18,890 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:18,917 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-07-14 10:58:18,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 79 [2021-07-14 10:58:18,919 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:18,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 75 [2021-07-14 10:58:18,928 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:19,537 WARN L205 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 179 [2021-07-14 10:58:19,537 INFO L628 ElimStorePlain]: treesize reduction 174, result has 90.1 percent of original size [2021-07-14 10:58:19,559 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, End of recursive call: 13 dim-0 vars, and 13 xjuncts. [2021-07-14 10:58:19,559 INFO L247 ElimStorePlain]: Needed 16 recursive calls to eliminate 8 variables, input treesize:1918, output treesize:1215 [2021-07-14 10:59:30,122 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 44 [2021-07-14 10:59:31,262 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 19 [2021-07-14 10:59:31,262 INFO L354 Elim1Store]: treesize reduction 818, result has 2.3 percent of original size [2021-07-14 10:59:31,263 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 12 new quantified variables, introduced 66 case distinctions, treesize of input 107 treesize of output 73 [2021-07-14 10:59:31,265 INFO L550 ElimStorePlain]: Start of recursive call 2: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-07-14 10:59:31,271 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:59:31,338 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:59:31,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 55 treesize of output 202 [2021-07-14 10:59:31,700 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 113 [2021-07-14 10:59:31,941 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 119 [2021-07-14 10:59:32,326 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 205 [2021-07-14 10:59:32,715 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 205 [2021-07-14 10:59:33,161 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 222 [2021-07-14 10:59:33,853 WARN L205 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 346 [2021-07-14 10:59:34,503 WARN L205 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 316 [2021-07-14 10:59:34,943 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 307 [2021-07-14 10:59:35,360 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 319 [2021-07-14 10:59:37,444 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 326 [2021-07-14 10:59:38,357 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 160 [2021-07-14 10:59:38,740 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 148 [2021-07-14 10:59:39,525 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 289 [2021-07-14 10:59:40,366 WARN L205 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 624 DAG size of output: 550 [2021-07-14 10:59:42,061 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 166 [2021-07-14 10:59:42,341 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 299 [2021-07-14 10:59:43,439 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 176 [2021-07-14 10:59:43,977 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 148 [2021-07-14 10:59:44,415 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 268 [2021-07-14 10:59:45,465 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 579 DAG size of output: 609 [2021-07-14 10:59:47,928 WARN L205 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 1061 DAG size of output: 1077 [2021-07-14 10:59:48,469 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 315 [2021-07-14 10:59:49,043 WARN L205 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 329 [2021-07-14 10:59:50,142 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 181 [2021-07-14 10:59:50,835 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 318 [2021-07-14 10:59:51,390 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 346 [2021-07-14 10:59:52,102 WARN L205 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 416 [2021-07-14 10:59:52,691 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 301 [2021-07-14 10:59:53,834 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 516 [2021-07-14 10:59:55,015 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 902 DAG size of output: 856 [2021-07-14 10:59:56,141 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 240 [2021-07-14 10:59:57,495 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 279 [2021-07-14 10:59:58,175 WARN L205 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 582 DAG size of output: 524 [2021-07-14 11:00:00,603 WARN L205 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 1311 DAG size of output: 1257 [2021-07-14 11:00:00,897 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 180 [2021-07-14 11:00:01,843 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 263 [2021-07-14 11:00:02,404 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 209 [2021-07-14 11:00:02,987 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 178 [2021-07-14 11:00:03,397 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 343 [2021-07-14 11:00:04,302 WARN L205 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 528 [2021-07-14 11:00:04,898 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 145 [2021-07-14 11:00:05,497 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 228 [2021-07-14 11:00:06,490 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 260 [2021-07-14 11:00:07,639 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 254 [2021-07-14 11:00:08,228 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 170 [2021-07-14 11:00:08,827 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 258 [2021-07-14 11:00:09,416 WARN L205 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 452 [2021-07-14 11:00:11,658 WARN L205 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 1103 DAG size of output: 1129 [2021-07-14 11:00:19,797 WARN L205 SmtUtils]: Spent 8.13 s on a formula simplification. DAG size of input: 2591 DAG size of output: 2696 [2021-07-14 11:00:27,879 WARN L205 SmtUtils]: Spent 8.07 s on a formula simplification. DAG size of input: 2591 DAG size of output: 2696 [2021-07-14 11:00:36,183 WARN L205 SmtUtils]: Spent 8.28 s on a formula simplification. DAG size of input: 2599 DAG size of output: 2704 [2021-07-14 11:00:36,773 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 205 [2021-07-14 11:00:36,881 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 205 [2021-07-14 11:00:36,995 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 250 [2021-07-14 11:00:38,144 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 227 [2021-07-14 11:00:38,841 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 250 [2021-07-14 11:00:39,259 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 262 [2021-07-14 11:00:39,899 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 299 [2021-07-14 11:00:40,519 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 257 [2021-07-14 11:00:40,964 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 623 DAG size of output: 510 [2021-07-14 11:00:41,696 WARN L205 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 1089 DAG size of output: 752 [2021-07-14 11:00:42,410 WARN L205 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 1089 DAG size of output: 752 [2021-07-14 11:00:42,995 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 1100 DAG size of output: 495 [2021-07-14 11:00:44,034 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 1137 [2021-07-14 11:00:44,725 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 460 DAG size of output: 344 [2021-07-14 11:00:48,267 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 346 [2021-07-14 11:00:48,430 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 346 [2021-07-14 11:00:48,565 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 277 [2021-07-14 11:00:49,586 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 218 [2021-07-14 11:00:49,953 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 280 [2021-07-14 11:00:50,145 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 280 [2021-07-14 11:00:50,308 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 234 [2021-07-14 11:00:51,027 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 229 [2021-07-14 11:00:53,044 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 261 [2021-07-14 11:00:54,731 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 291 [2021-07-14 11:00:54,895 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 260 [2021-07-14 11:00:55,134 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 315 [2021-07-14 11:00:55,379 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 315 [2021-07-14 11:00:55,614 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 274 [2021-07-14 11:00:56,706 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 249 [2021-07-14 11:00:56,909 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 249 [2021-07-14 11:00:57,128 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 257 [2021-07-14 11:00:57,311 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 235 [2021-07-14 11:00:58,634 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 314 [2021-07-14 11:01:00,184 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 501 [2021-07-14 11:01:05,726 WARN L205 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 1124 DAG size of output: 1169 [2021-07-14 11:01:07,735 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 975 DAG size of output: 79 [2021-07-14 11:01:07,999 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 995 DAG size of output: 257 [2021-07-14 11:01:09,300 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 11:01:09,304 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:01:09,305 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-14 11:01:09,305 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:113, output treesize:3 [2021-07-14 11:01:09,313 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:01:09,313 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [267492012] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:01:09,313 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:01:09,313 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 30] total 59 [2021-07-14 11:01:09,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269146836] [2021-07-14 11:01:09,314 INFO L462 AbstractCegarLoop]: Interpolant automaton has 60 states [2021-07-14 11:01:09,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:01:09,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2021-07-14 11:01:09,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=3372, Unknown=35, NotChecked=0, Total=3540 [2021-07-14 11:01:09,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:01:09,315 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:01:09,315 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 60 states, 60 states have (on average 2.3666666666666667) internal successors, (142), 59 states have internal predecessors, (142), 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 11:01:09,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:01:09,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:01:09,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:01:09,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:01:09,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 11:01:09,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 11:01:09,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:01:09,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 11:01:09,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 11:01:09,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 11:01:09,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 11:01:09,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:01:09,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 11:01:09,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 11:01:09,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:01:09,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 11:01:09,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 11:01:09,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:01:09,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:02:33,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:02:33,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:02:33,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:02:33,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:02:33,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 11:02:33,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 11:02:33,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:02:33,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 11:02:33,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 11:02:33,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 11:02:33,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 11:02:33,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:02:33,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 11:02:33,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 11:02:33,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:02:33,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 11:02:33,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 11:02:33,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:02:33,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 11:02:33,451 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1902 [2021-07-14 11:02:33,451 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:02:33,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:02:33,456 INFO L82 PathProgramCache]: Analyzing trace with hash -772992671, now seen corresponding path program 18 times [2021-07-14 11:02:33,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:02:33,456 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081523385] [2021-07-14 11:02:33,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:02:33,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:02:33,659 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 157 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-07-14 11:02:33,659 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:02:33,659 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081523385] [2021-07-14 11:02:33,659 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081523385] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:02:33,659 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631730366] [2021-07-14 11:02:33,659 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:02:33,722 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-07-14 11:02:33,723 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:02:33,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 30 conjunts are in the unsatisfiable core [2021-07-14 11:02:33,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:02:34,081 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:02:34,081 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 32 treesize of output 143 [2021-07-14 11:02:34,377 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:02:34,378 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:02:34,379 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 11:02:34,379 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:32, output treesize:4 [2021-07-14 11:02:34,400 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 157 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-07-14 11:02:34,400 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631730366] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:02:34,400 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:02:34,400 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17] total 25 [2021-07-14 11:02:34,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842955232] [2021-07-14 11:02:34,400 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-14 11:02:34,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:02:34,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-14 11:02:34,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2021-07-14 11:02:34,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:02:34,401 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:02:34,401 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 3.8461538461538463) internal successors, (100), 25 states have internal predecessors, (100), 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 11:02:34,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:02:34,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:02:34,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:02:34,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:02:34,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 11:02:34,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 11:02:34,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:02:34,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 11:02:34,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 11:02:34,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 11:02:34,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 11:02:34,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:02:34,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 11:02:34,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 11:02:34,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:02:34,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 11:02:34,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 11:02:34,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:02:34,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 11:02:34,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:02:35,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:02:35,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:02:35,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:02:35,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:02:35,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 11:02:35,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 11:02:35,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:02:35,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 11:02:35,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 11:02:35,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 11:02:35,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 11:02:35,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:02:35,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 11:02:35,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 11:02:35,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:02:35,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 11:02:35,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 11:02:35,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:02:35,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 11:02:35,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 11:02:35,840 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19368 [2021-07-14 11:02:35,841 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:02:35,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:02:35,841 INFO L82 PathProgramCache]: Analyzing trace with hash -398955778, now seen corresponding path program 19 times [2021-07-14 11:02:35,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:02:35,841 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89960715] [2021-07-14 11:02:35,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:02:35,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:02:35,895 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 91 proven. 36 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-07-14 11:02:35,895 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:02:35,895 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89960715] [2021-07-14 11:02:35,895 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89960715] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:02:35,895 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125193518] [2021-07-14 11:02:35,895 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 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:02:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:02:35,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-14 11:02:35,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:02:36,033 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 91 proven. 36 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-07-14 11:02:36,033 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2125193518] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:02:36,033 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:02:36,033 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2021-07-14 11:02:36,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772197731] [2021-07-14 11:02:36,034 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 11:02:36,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:02:36,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 11:02:36,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2021-07-14 11:02:36,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:02:36,034 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:02:36,034 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 9 states have internal predecessors, (59), 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 11:02:36,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:02:36,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:02:36,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:02:36,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:02:36,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 11:02:36,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 11:02:36,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:02:36,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 11:02:36,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 11:02:36,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 11:02:36,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 11:02:36,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:02:36,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 11:02:36,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 11:02:36,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:02:36,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 11:02:36,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 11:02:36,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:02:36,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 11:02:36,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 11:02:36,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:02:36,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:02:36,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:02:36,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:02:36,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:02:36,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 11:02:36,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 11:02:36,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:02:36,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 11:02:36,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 11:02:36,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 11:02:36,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 11:02:36,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:02:36,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 11:02:36,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 11:02:36,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:02:36,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 11:02:36,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 11:02:36,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:02:36,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 11:02:36,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 11:02:36,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:02:36,313 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19445 [2021-07-14 11:02:36,313 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:02:36,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:02:36,313 INFO L82 PathProgramCache]: Analyzing trace with hash 1455594528, now seen corresponding path program 20 times [2021-07-14 11:02:36,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:02:36,313 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868320496] [2021-07-14 11:02:36,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:02:36,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:02:37,238 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:02:37,238 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:02:37,239 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868320496] [2021-07-14 11:02:37,239 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868320496] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:02:37,239 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [867305430] [2021-07-14 11:02:37,239 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 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:02:37,280 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 11:02:37,280 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:02:37,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 97 conjunts are in the unsatisfiable core [2021-07-14 11:02:37,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:02:38,388 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:02:38,389 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 178 treesize of output 229 [2021-07-14 11:02:41,923 INFO L550 ElimStorePlain]: Start of recursive call 2: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-07-14 11:02:41,999 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:02:44,166 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-07-14 11:02:44,166 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:188, output treesize:221 [2021-07-14 11:02:48,431 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2021-07-14 11:02:51,565 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2021-07-14 11:02:57,248 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2021-07-14 11:02:57,569 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:02:57,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 87 [2021-07-14 11:02:57,571 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:02:57,596 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:02:57,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 87 [2021-07-14 11:02:57,598 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 11:02:57,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 79 [2021-07-14 11:02:57,623 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 11:02:57,641 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:02:57,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 87 [2021-07-14 11:02:57,643 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 11:02:57,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 79 [2021-07-14 11:02:57,661 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 11:02:57,687 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:02:57,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 87 [2021-07-14 11:02:57,689 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 11:02:57,710 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-07-14 11:02:57,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 83 [2021-07-14 11:02:57,711 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 11:02:57,734 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:02:57,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 87 [2021-07-14 11:02:57,736 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 11:02:57,761 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-07-14 11:02:57,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 83 [2021-07-14 11:02:57,762 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 11:02:57,792 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-07-14 11:02:57,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 83 [2021-07-14 11:02:57,793 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 11:02:57,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 79 [2021-07-14 11:02:57,806 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 11:02:57,829 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-07-14 11:02:57,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 1 [2021-07-14 11:02:57,829 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 11:02:57,846 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:02:57,846 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 87 [2021-07-14 11:02:57,848 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 11:02:57,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 79 [2021-07-14 11:02:57,860 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 11:02:57,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 79 [2021-07-14 11:02:57,871 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 11:02:57,889 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-07-14 11:02:57,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 82 [2021-07-14 11:02:57,890 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 11:02:57,914 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-07-14 11:02:57,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 83 [2021-07-14 11:02:57,915 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-14 11:02:57,944 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-07-14 11:02:57,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 83 [2021-07-14 11:02:57,945 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-14 11:02:57,975 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-07-14 11:02:57,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 83 [2021-07-14 11:02:57,977 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-14 11:02:57,996 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-07-14 11:02:57,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 1 [2021-07-14 11:02:57,996 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-14 11:02:58,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 79 [2021-07-14 11:02:58,010 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-14 11:02:58,050 INFO L354 Elim1Store]: treesize reduction 20, result has 59.2 percent of original size [2021-07-14 11:02:58,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 107 treesize of output 107 [2021-07-14 11:02:58,052 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-14 11:02:58,995 WARN L205 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 245 [2021-07-14 11:02:58,996 INFO L628 ElimStorePlain]: treesize reduction 258, result has 89.7 percent of original size [2021-07-14 11:02:59,013 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, End of recursive call: and 18 xjuncts. [2021-07-14 11:02:59,014 INFO L247 ElimStorePlain]: Needed 23 recursive calls to eliminate 8 variables, input treesize:3031, output treesize:1546 [2021-07-14 11:02:59,992 INFO L354 Elim1Store]: treesize reduction 240, result has 0.4 percent of original size [2021-07-14 11:02:59,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 115 treesize of output 63 [2021-07-14 11:02:59,994 INFO L550 ElimStorePlain]: Start of recursive call 2: 7 dim-0 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2021-07-14 11:02:59,998 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:03:00,099 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:03:00,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 277 [2021-07-14 11:03:00,398 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 135 [2021-07-14 11:03:00,802 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 172 [2021-07-14 11:03:01,082 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 271 [2021-07-14 11:03:01,804 WARN L205 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 320 [2021-07-14 11:03:03,764 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 303 DAG size of output: 480 [2021-07-14 11:03:08,605 WARN L205 SmtUtils]: Spent 4.84 s on a formula simplification. DAG size of input: 319 DAG size of output: 622 [2021-07-14 11:03:13,426 WARN L205 SmtUtils]: Spent 4.82 s on a formula simplification. DAG size of input: 319 DAG size of output: 622 [2021-07-14 11:03:18,751 WARN L205 SmtUtils]: Spent 5.32 s on a formula simplification. DAG size of input: 342 DAG size of output: 645 [2021-07-14 11:03:19,044 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2021-07-14 11:03:24,287 WARN L205 SmtUtils]: Spent 5.24 s on a formula simplification. DAG size of input: 640 DAG size of output: 904 [2021-07-14 11:03:24,424 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 492 [2021-07-14 11:03:25,930 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 387 DAG size of output: 586 [2021-07-14 11:03:27,089 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 360 DAG size of output: 543 [2021-07-14 11:03:27,917 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 382 [2021-07-14 11:03:29,031 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 338 [2021-07-14 11:03:30,021 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 329 [2021-07-14 11:03:30,959 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 278 [2021-07-14 11:03:31,708 WARN L205 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 589 [2021-07-14 11:03:32,697 WARN L205 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 636 DAG size of output: 674 [2021-07-14 11:03:33,037 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 305 [2021-07-14 11:03:34,171 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 399 [2021-07-14 11:03:34,804 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 312 [2021-07-14 11:03:35,475 WARN L205 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 588 [2021-07-14 11:03:36,774 WARN L205 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 689 [2021-07-14 11:03:38,068 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 357 DAG size of output: 550 [2021-07-14 11:03:38,173 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 334 [2021-07-14 11:03:38,729 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 316 [2021-07-14 11:03:39,114 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 313 [2021-07-14 11:03:39,450 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 382 [2021-07-14 11:03:39,873 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 429 [2021-07-14 11:03:40,563 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 332 [2021-07-14 11:03:41,008 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 329 [2021-07-14 11:03:41,349 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 397 [2021-07-14 11:03:41,830 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 443 [2021-07-14 11:03:42,952 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 339 [2021-07-14 11:03:43,481 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 391 [2021-07-14 11:03:44,958 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 857 DAG size of output: 775 [2021-07-14 11:03:49,012 WARN L205 SmtUtils]: Spent 4.05 s on a formula simplification. DAG size of input: 1656 DAG size of output: 1574 [2021-07-14 11:03:49,259 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 215 [2021-07-14 11:03:49,631 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 224 [2021-07-14 11:03:50,433 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 313 [2021-07-14 11:03:50,609 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 220 [2021-07-14 11:03:51,657 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 381 [2021-07-14 11:03:52,346 WARN L205 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 740 DAG size of output: 715 [2021-07-14 11:03:52,511 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 218 [2021-07-14 11:03:53,271 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 299 [2021-07-14 11:03:53,822 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 263 [2021-07-14 11:03:54,597 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 334 [2021-07-14 11:03:55,177 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 672 DAG size of output: 633 [2021-07-14 11:03:57,218 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 1007 DAG size of output: 1002 [2021-07-14 11:03:57,327 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 186 [2021-07-14 11:03:57,856 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 192 [2021-07-14 11:03:58,460 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 216 [2021-07-14 11:03:59,445 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 354 [2021-07-14 11:04:02,004 WARN L205 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1251 [2021-07-14 11:04:03,252 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 384 DAG size of output: 575 [2021-07-14 11:04:04,038 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 340 [2021-07-14 11:04:04,695 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 334 [2021-07-14 11:04:05,338 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 449 [2021-07-14 11:04:05,839 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 216 [2021-07-14 11:04:06,656 WARN L205 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 576 [2021-07-14 11:04:07,494 WARN L205 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 512 [2021-07-14 11:04:08,568 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 304 [2021-07-14 11:04:09,008 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 364 [2021-07-14 11:04:10,402 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 361 [2021-07-14 11:04:10,817 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 417 [2021-07-14 11:04:12,132 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 353 [2021-07-14 11:04:12,480 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 410 [2021-07-14 11:04:13,620 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 751 DAG size of output: 740 [2021-07-14 11:04:14,995 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 381 DAG size of output: 580 [2021-07-14 11:04:15,680 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 287 [2021-07-14 11:04:16,398 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 367 [2021-07-14 11:04:16,836 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 485 DAG size of output: 432 [2021-07-14 11:04:17,534 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 328 [2021-07-14 11:04:17,943 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 325 [2021-07-14 11:04:18,291 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 405 [2021-07-14 11:04:18,773 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 464 [2021-07-14 11:04:19,333 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 374 DAG size of output: 338 [2021-07-14 11:04:19,821 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 341 [2021-07-14 11:04:20,184 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 417 [2021-07-14 11:04:20,907 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 476 [2021-07-14 11:04:22,636 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 937 DAG size of output: 834 [2021-07-14 11:04:27,024 WARN L205 SmtUtils]: Spent 4.38 s on a formula simplification. DAG size of input: 1758 DAG size of output: 1604 [2021-07-14 11:04:39,324 WARN L205 SmtUtils]: Spent 12.29 s on a formula simplification. DAG size of input: 3505 DAG size of output: 3215 [2021-07-14 11:04:40,671 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 375 DAG size of output: 563 [2021-07-14 11:04:41,792 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 372 DAG size of output: 563 [2021-07-14 11:04:42,585 WARN L205 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 419 [2021-07-14 11:04:43,371 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 292 [2021-07-14 11:04:43,640 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 347 [2021-07-14 11:04:44,313 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 269 [2021-07-14 11:04:44,728 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 330 [2021-07-14 11:04:45,428 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 296 [2021-07-14 11:04:45,859 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 351 [2021-07-14 11:04:46,804 WARN L205 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 668 DAG size of output: 606 [2021-07-14 11:04:48,043 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 369 DAG size of output: 547 [2021-07-14 11:04:48,585 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 326 [2021-07-14 11:04:49,046 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 323 [2021-07-14 11:04:49,377 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 402 [2021-07-14 11:04:50,034 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 460 [2021-07-14 11:04:51,361 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 354 [2021-07-14 11:04:51,762 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 416 [2021-07-14 11:04:52,434 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 322 [2021-07-14 11:04:52,837 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 319 [2021-07-14 11:04:53,187 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 399 [2021-07-14 11:04:53,640 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 457 [2021-07-14 11:04:55,175 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 890 DAG size of output: 802 [2021-07-14 11:04:56,243 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 402 [2021-07-14 11:04:56,492 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 308 [2021-07-14 11:04:57,929 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 487 DAG size of output: 484 [2021-07-14 11:04:58,620 WARN L205 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 714 [2021-07-14 11:04:58,727 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 177 [2021-07-14 11:04:59,297 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 207 [2021-07-14 11:05:00,316 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 808 DAG size of output: 826 [2021-07-14 11:05:04,448 WARN L205 SmtUtils]: Spent 4.13 s on a formula simplification. DAG size of input: 1783 DAG size of output: 1653 [2021-07-14 11:05:05,041 WARN L205 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 379 [2021-07-14 11:05:05,428 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 224 [2021-07-14 11:05:05,903 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 224 [2021-07-14 11:05:07,082 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 365 [2021-07-14 11:05:07,587 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 192 [2021-07-14 11:05:08,238 WARN L205 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 485 DAG size of output: 473 [2021-07-14 11:05:09,124 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 316 [2021-07-14 11:05:09,863 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 326 [2021-07-14 11:05:10,344 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 460 [2021-07-14 11:05:11,601 WARN L205 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 562 [2021-07-14 11:05:11,880 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 259 [2021-07-14 11:05:12,466 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 230 [2021-07-14 11:05:13,047 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2021-07-14 11:05:13,670 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 235 [2021-07-14 11:05:14,132 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 406 [2021-07-14 11:05:15,190 WARN L205 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 480 DAG size of output: 515 [2021-07-14 11:05:17,605 WARN L205 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 1194 DAG size of output: 1216 [2021-07-14 11:05:18,837 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 184 [2021-07-14 11:05:19,164 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 374 DAG size of output: 333 [2021-07-14 11:05:19,958 WARN L205 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 434 [2021-07-14 11:05:20,762 WARN L205 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 413 [2021-07-14 11:05:21,789 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 326 [2021-07-14 11:05:22,671 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 303 [2021-07-14 11:05:23,005 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 372 [2021-07-14 11:05:23,436 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 310 [2021-07-14 11:05:23,843 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 313 [2021-07-14 11:05:24,189 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 378 [2021-07-14 11:05:25,194 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 673 DAG size of output: 650 [2021-07-14 11:05:25,732 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 269 [2021-07-14 11:05:26,075 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 268 [2021-07-14 11:05:26,842 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 336 [2021-07-14 11:05:27,409 WARN L205 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 460 [2021-07-14 11:05:28,535 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 392 [2021-07-14 11:05:28,716 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 302 [2021-07-14 11:05:30,017 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 463 [2021-07-14 11:05:30,659 WARN L205 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 672 [2021-07-14 11:05:33,287 WARN L205 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 1388 DAG size of output: 1378 [2021-07-14 11:05:36,845 WARN L205 SmtUtils]: Spent 3.55 s on a formula simplification. DAG size of input: 1598 DAG size of output: 1512 [2021-07-14 11:05:48,485 WARN L205 SmtUtils]: Spent 11.63 s on a formula simplification. DAG size of input: 3332 DAG size of output: 3144 [2021-07-14 11:05:49,007 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 249 [2021-07-14 11:06:18,051 WARN L205 SmtUtils]: Spent 29.04 s on a formula simplification. DAG size of input: 5079 DAG size of output: 4875 [2021-07-14 11:06:18,371 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 631 [2021-07-14 11:06:21,156 WARN L205 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 478 DAG size of output: 732 [2021-07-14 11:06:22,205 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 294 DAG size of output: 425 [2021-07-14 11:06:22,787 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 310 [2021-07-14 11:06:23,615 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 379 [2021-07-14 11:06:24,066 WARN L205 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 553 DAG size of output: 521 [2021-07-14 11:06:24,645 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 220 [2021-07-14 11:06:25,532 WARN L205 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 722 DAG size of output: 711 [2021-07-14 11:06:26,323 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 244 [2021-07-14 11:06:26,667 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 239 [2021-07-14 11:06:27,105 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 200 [2021-07-14 11:06:27,591 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 221 [2021-07-14 11:06:28,097 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 235 [2021-07-14 11:06:28,557 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 399 [2021-07-14 11:06:29,523 WARN L205 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 598 DAG size of output: 592 [2021-07-14 11:06:29,806 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 265 [2021-07-14 11:06:30,390 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 246 [2021-07-14 11:06:31,028 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 252 [2021-07-14 11:06:31,628 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 229 [2021-07-14 11:06:32,103 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 465 [2021-07-14 11:06:33,074 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 223 [2021-07-14 11:06:34,001 WARN L205 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 597 DAG size of output: 678 [2021-07-14 11:06:37,218 WARN L205 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 1442 DAG size of output: 1518 [2021-07-14 11:06:39,607 WARN L205 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 449 DAG size of output: 749 [2021-07-14 11:06:41,074 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 481 DAG size of output: 484 [2021-07-14 11:06:42,211 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 481 [2021-07-14 11:06:42,900 WARN L205 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 643 [2021-07-14 11:06:44,157 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 864 DAG size of output: 904 [2021-07-14 11:06:45,029 WARN L205 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 358 [2021-07-14 11:06:45,622 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 249 [2021-07-14 11:06:46,227 WARN L205 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2021-07-14 11:06:47,274 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 670 DAG size of output: 687 [2021-07-14 11:06:49,833 WARN L205 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 446 DAG size of output: 738 [2021-07-14 11:06:51,052 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 345 [2021-07-14 11:06:51,821 WARN L205 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 611 DAG size of output: 590 [2021-07-14 11:06:54,709 WARN L205 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 1104 DAG size of output: 1144 [2021-07-14 11:07:00,790 WARN L205 SmtUtils]: Spent 6.07 s on a formula simplification. DAG size of input: 1997 DAG size of output: 2075 [2021-07-14 11:07:03,261 WARN L205 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 475 DAG size of output: 783 [2021-07-14 11:07:06,296 WARN L205 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 472 DAG size of output: 788 [2021-07-14 11:07:07,556 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 311 [2021-07-14 11:07:07,874 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 412 DAG size of output: 381 [2021-07-14 11:07:08,904 WARN L205 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 634 [2021-07-14 11:07:12,338 WARN L205 SmtUtils]: Spent 3.43 s on a formula simplification. DAG size of input: 1226 DAG size of output: 1238 [2021-07-14 11:07:13,041 WARN L205 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 411 [2021-07-14 11:07:13,531 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 334 [2021-07-14 11:07:14,246 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 381 [2021-07-14 11:07:15,102 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 270 [2021-07-14 11:07:15,329 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 320 [2021-07-14 11:07:15,773 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 314 [2021-07-14 11:07:16,248 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 338 [2021-07-14 11:07:16,564 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 385 [2021-07-14 11:07:17,545 WARN L205 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 670 DAG size of output: 694 [2021-07-14 11:07:18,546 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 265 [2021-07-14 11:07:20,392 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 967 DAG size of output: 1015 [2021-07-14 11:07:20,771 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 295 [2021-07-14 11:07:21,337 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 359 [2021-07-14 11:07:21,593 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 298 [2021-07-14 11:07:22,281 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 390 [2021-07-14 11:07:23,146 WARN L205 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 512 [2021-07-14 11:07:23,689 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 244 [2021-07-14 11:07:25,238 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 800 DAG size of output: 782 [2021-07-14 11:07:33,158 WARN L205 SmtUtils]: Spent 7.91 s on a formula simplification. DAG size of input: 2181 DAG size of output: 2188 [2021-07-14 11:07:53,538 WARN L205 SmtUtils]: Spent 20.37 s on a formula simplification. DAG size of input: 4155 DAG size of output: 4280 [2021-07-14 11:07:56,605 WARN L205 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 492 DAG size of output: 759 [2021-07-14 11:07:59,389 WARN L205 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 463 DAG size of output: 744 [2021-07-14 11:08:00,655 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 507 DAG size of output: 503 [2021-07-14 11:08:00,891 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 348 [2021-07-14 11:08:01,292 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 312 [2021-07-14 11:08:02,336 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 519 DAG size of output: 524 [2021-07-14 11:08:03,143 WARN L205 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 670 DAG size of output: 679 [2021-07-14 11:08:04,860 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 899 DAG size of output: 937 [2021-07-14 11:08:04,965 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 372 [2021-07-14 11:08:05,801 WARN L205 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 393 [2021-07-14 11:08:06,637 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 291 [2021-07-14 11:08:07,534 WARN L205 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 512 [2021-07-14 11:08:09,326 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 765 DAG size of output: 783 [2021-07-14 11:08:09,464 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 457 [2021-07-14 11:08:10,443 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 481 [2021-07-14 11:08:10,845 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 399 [2021-07-14 11:08:11,211 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 299 [2021-07-14 11:08:11,796 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 576 [2021-07-14 11:08:12,844 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 770 DAG size of output: 762 [2021-07-14 11:08:14,996 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 1044 DAG size of output: 1063 [2021-07-14 11:08:20,500 WARN L205 SmtUtils]: Spent 5.50 s on a formula simplification. DAG size of input: 1942 DAG size of output: 2031 [2021-07-14 11:08:21,654 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 303 DAG size of output: 434 [2021-07-14 11:08:21,858 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 210 [2021-07-14 11:08:22,884 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 244 [2021-07-14 11:08:23,899 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 412 [2021-07-14 11:08:24,527 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 355 [2021-07-14 11:08:25,117 WARN L205 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 535 [2021-07-14 11:08:26,303 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 807 DAG size of output: 769 [2021-07-14 11:08:27,393 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 255 DAG size of output: 410 [2021-07-14 11:08:28,132 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 267 [2021-07-14 11:08:28,827 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 424 DAG size of output: 409 [2021-07-14 11:08:29,416 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 233 [2021-07-14 11:08:29,999 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 358 [2021-07-14 11:08:30,880 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 241 [2021-07-14 11:08:31,266 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 366 [2021-07-14 11:08:32,658 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 724 DAG size of output: 753 [2021-07-14 11:08:33,605 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 388 [2021-07-14 11:08:33,726 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 222 [2021-07-14 11:08:34,624 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 347 [2021-07-14 11:08:35,163 WARN L205 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 464 DAG size of output: 489 [2021-07-14 11:08:36,031 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 220 [2021-07-14 11:08:37,022 WARN L205 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 637 DAG size of output: 704 [2021-07-14 11:08:41,185 WARN L205 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 1567 DAG size of output: 1679 [2021-07-14 11:08:43,948 WARN L205 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 489 DAG size of output: 778 [2021-07-14 11:08:46,254 WARN L205 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 401 DAG size of output: 685 [2021-07-14 11:08:47,210 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 261 [2021-07-14 11:08:47,490 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 331 [2021-07-14 11:08:48,188 WARN L205 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 554 [2021-07-14 11:08:51,135 WARN L205 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 1023 DAG size of output: 1060 [2021-07-14 11:08:54,184 WARN L205 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 486 DAG size of output: 827 [2021-07-14 11:08:54,657 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 450 [2021-07-14 11:08:55,111 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 305 [2021-07-14 11:08:55,568 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 324 [2021-07-14 11:08:55,901 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 394 [2021-07-14 11:08:57,040 WARN L205 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 690 DAG size of output: 662 [2021-07-14 11:09:00,608 WARN L205 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 1285 DAG size of output: 1313 [2021-07-14 11:09:00,781 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 446 [2021-07-14 11:09:01,539 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 253 [2021-07-14 11:09:02,176 WARN L205 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 432 [2021-07-14 11:09:02,692 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 340 [2021-07-14 11:09:03,121 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 316 [2021-07-14 11:09:03,443 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 387 [2021-07-14 11:09:03,964 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 323 [2021-07-14 11:09:04,504 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 347 [2021-07-14 11:09:04,845 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 412 DAG size of output: 394 [2021-07-14 11:09:05,793 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 276 [2021-07-14 11:09:06,047 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 326 [2021-07-14 11:09:07,094 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 683 DAG size of output: 713 [2021-07-14 11:09:09,007 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 977 DAG size of output: 1026 [2021-07-14 11:09:18,629 WARN L205 SmtUtils]: Spent 9.62 s on a formula simplification. DAG size of input: 2291 DAG size of output: 2403 [2021-07-14 11:09:41,328 WARN L205 SmtUtils]: Spent 22.68 s on a formula simplification. DAG size of input: 4425 DAG size of output: 4730 [2021-07-14 11:09:41,567 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 193 [2021-07-14 11:09:41,793 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 216 [2021-07-14 11:09:42,010 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 350 [2021-07-14 11:09:42,375 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 247 [2021-07-14 11:09:42,850 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 528 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown