/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 06:03:59,860 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 06:03:59,861 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 06:03:59,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 06:03:59,960 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Lockstep.epf [2021-07-14 06:04:00,015 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 06:04:00,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 06:04:00,016 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 06:04:00,016 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 06:04:00,019 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 06:04:00,019 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 06:04:00,019 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 06:04:00,019 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 06:04:00,020 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 06:04:00,020 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 06:04:00,021 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 06:04:00,021 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 06:04:00,021 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 06:04:00,022 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 06:04:00,022 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 06:04:00,022 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 06:04:00,022 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 06:04:00,022 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 06:04:00,022 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 06:04:00,022 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 06:04:00,023 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 06:04:00,023 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 06:04:00,023 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 06:04:00,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 06:04:00,023 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 06:04:00,023 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 06:04:00,023 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 06:04:00,024 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 06:04:00,024 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 06:04:00,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 06:04:00,024 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 06:04:00,024 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 06:04:00,025 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 06:04:00,025 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-14 06:04:00,025 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 06:04:00,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 06:04:00,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 06:04:00,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 06:04:00,335 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 06:04:00,336 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 06:04:00,337 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-2.wvr.bpl [2021-07-14 06:04:00,337 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-2.wvr.bpl' [2021-07-14 06:04:00,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 06:04:00,360 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 06:04:00,361 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 06:04:00,362 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 06:04:00,362 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 06:04:00,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:04:00" (1/1) ... [2021-07-14 06:04:00,377 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:04:00" (1/1) ... [2021-07-14 06:04:00,383 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 06:04:00,384 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 06:04:00,384 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 06:04:00,384 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 06:04:00,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:04:00" (1/1) ... [2021-07-14 06:04:00,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:04:00" (1/1) ... [2021-07-14 06:04:00,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:04:00" (1/1) ... [2021-07-14 06:04:00,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:04:00" (1/1) ... [2021-07-14 06:04:00,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:04:00" (1/1) ... [2021-07-14 06:04:00,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:04:00" (1/1) ... [2021-07-14 06:04:00,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:04:00" (1/1) ... [2021-07-14 06:04:00,396 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 06:04:00,397 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 06:04:00,397 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 06:04:00,398 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 06:04:00,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:04:00" (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 06:04:00,446 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 06:04:00,446 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 06:04:00,447 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 06:04:00,447 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 06:04:00,447 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 06:04:00,447 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 06:04:00,447 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 06:04:00,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 06:04:00,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 06:04:00,448 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 06:04:00,672 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 06:04:00,672 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-14 06:04:00,673 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-14 06:04:00,673 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-14 06:04:00,675 INFO L202 PluginConnector]: Adding new model unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 06:04:00 BoogieIcfgContainer [2021-07-14 06:04:00,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 06:04:00,676 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 06:04:00,676 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 06:04:00,679 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 06:04:00,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:04:00" (1/2) ... [2021-07-14 06:04:00,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41e5a975 and model type unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 06:04:00, skipping insertion in model container [2021-07-14 06:04:00,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 06:04:00" (2/2) ... [2021-07-14 06:04:00,681 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-2.wvr.bpl [2021-07-14 06:04:00,686 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 06:04:00,687 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 06:04:00,687 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 06:04:00,687 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 06:04:00,710 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 06:04:00,733 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 06:04:00,874 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 06:04:00,874 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 06:04:00,875 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 06:04:00,875 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 06:04:00,875 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 06:04:00,875 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 06:04:00,875 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 06:04:00,875 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 06:04:00,902 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:04:00,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:04:00,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1689499342, now seen corresponding path program 1 times [2021-07-14 06:04:00,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:04:00,914 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194202823] [2021-07-14 06:04:00,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:04:00,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:04:01,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:04:01,044 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:04:01,045 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194202823] [2021-07-14 06:04:01,046 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194202823] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 06:04:01,046 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 06:04:01,046 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 06:04:01,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387245476] [2021-07-14 06:04:01,051 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 06:04:01,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:04:01,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 06:04:01,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 06:04:01,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:01,090 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:04:01,092 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:04:01,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:01,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:01,114 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 06:04:01,114 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:04:01,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:04:01,117 INFO L82 PathProgramCache]: Analyzing trace with hash 663947026, now seen corresponding path program 1 times [2021-07-14 06:04:01,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:04:01,118 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731375631] [2021-07-14 06:04:01,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:04:01,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:04:01,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:04:01,201 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:04:01,201 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731375631] [2021-07-14 06:04:01,202 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731375631] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:01,202 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [796432887] [2021-07-14 06:04:01,202 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 06:04:01,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:04:01,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-14 06:04:01,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:04:01,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:04:01,314 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [796432887] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:01,315 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:04:01,315 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-07-14 06:04:01,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402771179] [2021-07-14 06:04:01,316 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 06:04:01,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:04:01,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 06:04:01,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-07-14 06:04:01,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:01,317 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:04:01,318 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:04:01,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:01,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:01,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:01,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:01,561 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:04:01,561 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:04:01,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:04:01,562 INFO L82 PathProgramCache]: Analyzing trace with hash -891750223, now seen corresponding path program 1 times [2021-07-14 06:04:01,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:04:01,562 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933249569] [2021-07-14 06:04:01,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:04:01,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:04:01,628 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 06:04:01,628 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:04:01,628 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933249569] [2021-07-14 06:04:01,629 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933249569] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:01,629 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [452875227] [2021-07-14 06:04:01,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:04:01,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:04:01,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-14 06:04:01,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:04:01,734 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 06:04:01,735 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [452875227] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:01,735 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:04:01,735 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-07-14 06:04:01,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189994293] [2021-07-14 06:04:01,735 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 06:04:01,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:04:01,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 06:04:01,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 06:04:01,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:01,736 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:04:01,737 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:04:01,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:01,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:01,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:01,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:01,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:01,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:01,981 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:04:01,981 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:04:01,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:04:01,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1617411729, now seen corresponding path program 2 times [2021-07-14 06:04:01,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:04:01,982 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299640329] [2021-07-14 06:04:01,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:04:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:04:02,022 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:04:02,023 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:04:02,023 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299640329] [2021-07-14 06:04:02,023 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299640329] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:02,023 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014340804] [2021-07-14 06:04:02,024 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:04:02,074 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 06:04:02,075 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:04:02,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-14 06:04:02,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:04:02,190 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:04:02,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 18 [2021-07-14 06:04:02,197 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:04:02,199 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:04:02,201 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 06:04:02,201 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-07-14 06:04:02,207 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:04:02,207 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014340804] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:02,207 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:04:02,207 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 7 [2021-07-14 06:04:02,207 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128880780] [2021-07-14 06:04:02,208 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 06:04:02,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:04:02,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 06:04:02,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-14 06:04:02,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:02,209 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:04:02,209 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:04:02,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:02,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:02,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:02,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:02,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:02,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:02,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:02,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:04:02,455 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:04:02,455 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:04:02,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:04:02,456 INFO L82 PathProgramCache]: Analyzing trace with hash 2092020913, now seen corresponding path program 3 times [2021-07-14 06:04:02,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:04:02,456 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834854175] [2021-07-14 06:04:02,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:04:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:04:02,559 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:04:02,559 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:04:02,559 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834854175] [2021-07-14 06:04:02,560 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834854175] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:02,560 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [88951543] [2021-07-14 06:04:02,560 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:04:02,588 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 06:04:02,588 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:04:02,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 06:04:02,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:04:02,648 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:04:02,649 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [88951543] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:02,649 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:04:02,649 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-07-14 06:04:02,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307991561] [2021-07-14 06:04:02,649 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 06:04:02,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:04:02,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 06:04:02,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-07-14 06:04:02,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:02,650 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:04:02,651 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:04:02,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:02,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:02,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:02,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:04:02,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:02,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:02,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:02,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:02,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:04:02,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:04:02,937 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:04:02,937 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:04:02,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:04:02,938 INFO L82 PathProgramCache]: Analyzing trace with hash 428867314, now seen corresponding path program 4 times [2021-07-14 06:04:02,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:04:02,938 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306985116] [2021-07-14 06:04:02,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:04:02,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:04:02,980 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 06:04:02,980 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:04:02,981 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306985116] [2021-07-14 06:04:02,981 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306985116] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:02,981 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1599640009] [2021-07-14 06:04:02,981 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 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 06:04:03,006 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 06:04:03,006 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:04:03,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-14 06:04:03,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:04:03,054 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 06:04:03,054 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1599640009] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:03,054 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:04:03,055 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-07-14 06:04:03,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551019951] [2021-07-14 06:04:03,055 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 06:04:03,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:04:03,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 06:04:03,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-07-14 06:04:03,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:03,056 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:04:03,056 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:04:03,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:03,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:03,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:03,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:04:03,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:04:03,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:03,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:03,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:03,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:03,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:04:03,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:04:03,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:04:03,336 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:04:03,337 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:04:03,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:04:03,338 INFO L82 PathProgramCache]: Analyzing trace with hash -1437619950, now seen corresponding path program 5 times [2021-07-14 06:04:03,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:04:03,338 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476578761] [2021-07-14 06:04:03,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:04:03,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:04:03,439 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:04:03,439 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:04:03,439 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476578761] [2021-07-14 06:04:03,439 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476578761] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:03,440 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [362487011] [2021-07-14 06:04:03,440 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:04:03,475 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-14 06:04:03,475 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:04:03,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-14 06:04:03,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:04:03,582 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 06:04:03,582 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [362487011] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:03,583 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:04:03,583 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2021-07-14 06:04:03,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254862792] [2021-07-14 06:04:03,583 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-14 06:04:03,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:04:03,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-14 06:04:03,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2021-07-14 06:04:03,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:03,585 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:04:03,585 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.8666666666666667) internal successors, (28), 14 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:04:03,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:03,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:03,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:03,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:04:03,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:04:03,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:04:03,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:03,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:03,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:03,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:03,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:04:03,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:04:03,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:04:03,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:04:03,987 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:04:03,988 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:04:03,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:04:03,988 INFO L82 PathProgramCache]: Analyzing trace with hash -1615817039, now seen corresponding path program 6 times [2021-07-14 06:04:03,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:04:03,988 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822935155] [2021-07-14 06:04:03,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:04:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:04:04,063 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:04:04,063 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:04:04,063 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822935155] [2021-07-14 06:04:04,064 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822935155] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:04,064 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122574461] [2021-07-14 06:04:04,064 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:04:04,095 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-14 06:04:04,096 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:04:04,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 25 conjunts are in the unsatisfiable core [2021-07-14 06:04:04,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:04:04,363 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:04:04,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 31 treesize of output 142 [2021-07-14 06:04:04,785 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:04:04,786 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:04:04,787 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 06:04:04,787 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-07-14 06:04:04,792 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:04:04,792 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1122574461] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:04,792 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:04:04,793 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2021-07-14 06:04:04,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10443226] [2021-07-14 06:04:04,793 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-14 06:04:04,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:04:04,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-14 06:04:04,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2021-07-14 06:04:04,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:04,799 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:04:04,799 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.7777777777777777) internal successors, (32), 17 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:04:04,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:04,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:04,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:04,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:04:04,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:04:04,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:04:04,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:04:04,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:04,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:04,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:04,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:04,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:04:04,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:04:04,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:04:04,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:04:04,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:04:05,089 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-07-14 06:04:05,089 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:04:05,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:04:05,090 INFO L82 PathProgramCache]: Analyzing trace with hash 2062644433, now seen corresponding path program 7 times [2021-07-14 06:04:05,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:04:05,090 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386885910] [2021-07-14 06:04:05,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:04:05,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:04:05,195 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 15 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:04:05,196 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:04:05,196 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386885910] [2021-07-14 06:04:05,196 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386885910] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:05,196 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1205802472] [2021-07-14 06:04:05,196 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:04:05,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:04:05,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-14 06:04:05,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:04:05,306 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 21 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:04:05,306 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1205802472] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:05,306 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:04:05,306 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2021-07-14 06:04:05,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152946288] [2021-07-14 06:04:05,307 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 06:04:05,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:04:05,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 06:04:05,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-07-14 06:04:05,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:05,308 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:04:05,308 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:04:05,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:05,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:05,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:05,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:04:05,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:04:05,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:04:05,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:04:05,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:04:05,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:05,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:05,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:05,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:05,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:04:05,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:04:05,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:04:05,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:04:05,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:04:05,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:04:05,680 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:04:05,681 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:04:05,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:04:05,681 INFO L82 PathProgramCache]: Analyzing trace with hash -481803566, now seen corresponding path program 8 times [2021-07-14 06:04:05,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:04:05,681 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040839450] [2021-07-14 06:04:05,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:04:05,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:04:05,748 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-07-14 06:04:05,748 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:04:05,748 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040839450] [2021-07-14 06:04:05,749 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040839450] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:05,749 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [88654318] [2021-07-14 06:04:05,749 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:04:05,782 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 06:04:05,783 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:04:05,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-14 06:04:05,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:04:05,864 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-07-14 06:04:05,864 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [88654318] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:05,864 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:04:05,864 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 13 [2021-07-14 06:04:05,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452678466] [2021-07-14 06:04:05,865 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 06:04:05,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:04:05,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 06:04:05,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-07-14 06:04:05,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:05,866 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:04:05,866 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:04:05,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:05,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:05,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:05,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:04:05,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:04:05,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:04:05,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:04:05,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:04:05,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:04:05,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:05,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:05,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:05,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:05,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:04:05,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:04:05,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:04:05,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:04:05,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:04:05,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:04:05,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:04:06,211 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-07-14 06:04:06,211 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:04:06,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:04:06,212 INFO L82 PathProgramCache]: Analyzing trace with hash -238413582, now seen corresponding path program 9 times [2021-07-14 06:04:06,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:04:06,212 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686044368] [2021-07-14 06:04:06,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:04:06,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:04:06,320 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:04:06,321 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:04:06,321 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686044368] [2021-07-14 06:04:06,321 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686044368] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:06,321 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1795212568] [2021-07-14 06:04:06,321 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:04:06,368 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 06:04:06,368 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:04:06,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-14 06:04:06,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:04:06,746 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-07-14 06:04:06,747 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:04:06,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-07-14 06:04:08,201 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:04:08,203 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:04:08,203 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 06:04:08,203 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-07-14 06:04:08,211 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:04:08,212 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1795212568] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:08,212 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:04:08,212 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 14] total 22 [2021-07-14 06:04:08,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815497503] [2021-07-14 06:04:08,213 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-14 06:04:08,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:04:08,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-14 06:04:08,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2021-07-14 06:04:08,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:08,214 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:04:08,215 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 22 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:04:08,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:08,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:08,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:08,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:04:08,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:04:08,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:04:08,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:04:08,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:04:08,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:04:08,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:04:08,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:08,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:08,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:08,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:08,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:04:08,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:04:08,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:04:08,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:04:08,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:04:08,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:04:08,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:04:08,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:04:08,533 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-07-14 06:04:08,534 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:04:08,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:04:08,534 INFO L82 PathProgramCache]: Analyzing trace with hash 686281970, now seen corresponding path program 10 times [2021-07-14 06:04:08,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:04:08,534 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085510967] [2021-07-14 06:04:08,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:04:08,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:04:08,684 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 36 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:04:08,684 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:04:08,684 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085510967] [2021-07-14 06:04:08,684 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085510967] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:08,684 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [497448302] [2021-07-14 06:04:08,684 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:04:08,720 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 06:04:08,720 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:04:08,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-14 06:04:08,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:04:08,800 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 45 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:04:08,800 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [497448302] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:08,800 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:04:08,800 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2021-07-14 06:04:08,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333307327] [2021-07-14 06:04:08,801 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-14 06:04:08,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:04:08,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-14 06:04:08,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2021-07-14 06:04:08,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:08,802 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:04:08,802 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:04:08,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:08,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:08,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:08,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:04:08,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:04:08,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:04:08,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:04:08,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:04:08,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:04:08,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:04:08,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:04:08,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:09,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:09,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:09,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:09,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:04:09,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:04:09,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:04:09,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:04:09,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:04:09,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:04:09,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:04:09,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:04:09,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:04:09,236 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable200 [2021-07-14 06:04:09,236 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:04:09,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:04:09,236 INFO L82 PathProgramCache]: Analyzing trace with hash -199366959, now seen corresponding path program 11 times [2021-07-14 06:04:09,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:04:09,237 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366703942] [2021-07-14 06:04:09,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:04:09,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:04:09,360 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:04:09,361 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:04:09,361 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366703942] [2021-07-14 06:04:09,361 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366703942] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:09,361 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [320994515] [2021-07-14 06:04:09,361 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:04:09,395 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 06:04:09,396 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:04:09,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 37 conjunts are in the unsatisfiable core [2021-07-14 06:04:09,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:04:09,940 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-07-14 06:04:09,941 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:04:09,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 19 new quantified variables, introduced 45 case distinctions, treesize of input 47 treesize of output 394 [2021-07-14 06:04:11,040 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 236 [2021-07-14 06:04:11,164 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 236 [2021-07-14 06:04:11,289 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 252 [2021-07-14 06:04:11,519 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 258 [2021-07-14 06:04:11,997 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 183 [2021-07-14 06:04:12,503 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 186 [2021-07-14 06:04:13,133 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 213 [2021-07-14 06:04:13,320 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 287 [2021-07-14 06:04:14,257 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 480 DAG size of output: 370 [2021-07-14 06:04:14,625 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 395 [2021-07-14 06:04:15,091 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 442 [2021-07-14 06:04:15,217 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 234 [2021-07-14 06:04:17,310 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 270 [2021-07-14 06:04:17,574 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 379 [2021-07-14 06:04:17,912 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 419 [2021-07-14 06:04:18,355 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 667 DAG size of output: 486 [2021-07-14 06:04:19,370 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 1125 DAG size of output: 757 [2021-07-14 06:04:20,503 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 1132 DAG size of output: 747 [2021-07-14 06:04:21,640 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 1132 DAG size of output: 747 [2021-07-14 06:04:22,916 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 1143 DAG size of output: 758 [2021-07-14 06:04:24,400 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 756 DAG size of output: 858 [2021-07-14 06:04:24,859 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 459 [2021-07-14 06:04:25,031 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 212 [2021-07-14 06:04:25,601 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 183 [2021-07-14 06:04:25,735 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 205 [2021-07-14 06:04:26,391 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 239 [2021-07-14 06:04:26,538 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 271 [2021-07-14 06:04:26,761 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 358 [2021-07-14 06:04:27,484 WARN L205 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 686 [2021-07-14 06:04:27,994 WARN L205 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 491 [2021-07-14 06:04:28,442 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 302 [2021-07-14 06:04:28,791 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 231 [2021-07-14 06:04:28,961 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 459 DAG size of output: 334 [2021-07-14 06:04:29,269 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 378 [2021-07-14 06:04:29,730 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 236 [2021-07-14 06:04:29,872 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 300 [2021-07-14 06:04:30,153 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 704 DAG size of output: 431 [2021-07-14 06:04:30,495 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 711 DAG size of output: 437 [2021-07-14 06:04:31,082 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 1016 DAG size of output: 596 [2021-07-14 06:04:31,673 WARN L205 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 1016 DAG size of output: 596 [2021-07-14 06:04:32,345 WARN L205 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 1022 DAG size of output: 554 [2021-07-14 06:04:32,640 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 433 [2021-07-14 06:04:33,161 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 209 [2021-07-14 06:04:33,478 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 239 [2021-07-14 06:04:33,857 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 447 [2021-07-14 06:04:34,081 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 279 [2021-07-14 06:04:34,350 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 303 [2021-07-14 06:04:34,602 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 368 [2021-07-14 06:04:34,978 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 436 [2021-07-14 06:04:35,354 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 436 [2021-07-14 06:04:35,765 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 439 [2021-07-14 06:04:36,004 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 335 [2021-07-14 06:04:36,648 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:04:36,650 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:04:36,650 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 06:04:36,651 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-07-14 06:04:36,656 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:04:36,656 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [320994515] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:36,656 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:04:36,656 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17] total 27 [2021-07-14 06:04:36,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333945363] [2021-07-14 06:04:36,656 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-14 06:04:36,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:04:36,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-14 06:04:36,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-07-14 06:04:36,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:36,659 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:04:36,659 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 27 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:04:36,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:36,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:36,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:36,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:04:36,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:04:36,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:04:36,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:04:36,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:04:36,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:04:36,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:04:36,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:04:36,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:04:36,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:36,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:36,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:36,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:36,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:04:36,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:04:36,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:04:36,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:04:36,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:04:36,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:04:36,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:04:36,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:04:36,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:04:36,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:04:37,009 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable201 [2021-07-14 06:04:37,010 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:04:37,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:04:37,010 INFO L82 PathProgramCache]: Analyzing trace with hash -514413871, now seen corresponding path program 12 times [2021-07-14 06:04:37,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:04:37,010 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773900913] [2021-07-14 06:04:37,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:04:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:04:37,194 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 55 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:04:37,194 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:04:37,195 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773900913] [2021-07-14 06:04:37,195 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773900913] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:37,195 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [222250208] [2021-07-14 06:04:37,195 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:04:37,228 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-14 06:04:37,229 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:04:37,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-14 06:04:37,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:04:37,307 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 66 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:04:37,307 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [222250208] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:37,307 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:04:37,308 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 20 [2021-07-14 06:04:37,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494269441] [2021-07-14 06:04:37,308 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-14 06:04:37,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:04:37,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-14 06:04:37,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2021-07-14 06:04:37,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:37,309 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:04:37,309 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.380952380952381) internal successors, (29), 20 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:04:37,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:37,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:37,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:37,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:04:37,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:04:37,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:04:37,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:04:37,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:04:37,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:04:37,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:04:37,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:04:37,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:04:37,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:04:37,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:04:37,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:04:37,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:37,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:04:37,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:04:37,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:04:37,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:04:37,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:04:37,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:04:37,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:04:37,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:04:37,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:04:37,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:04:37,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:04:37,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:04:37,772 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1342,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:04:37,773 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:04:37,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:04:37,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1233767634, now seen corresponding path program 13 times [2021-07-14 06:04:37,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:04:37,774 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974372490] [2021-07-14 06:04:37,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:04:37,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:04:37,929 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:04:37,929 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:04:37,930 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974372490] [2021-07-14 06:04:37,930 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974372490] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:04:37,930 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1187583602] [2021-07-14 06:04:37,930 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:04:37,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:04:37,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 43 conjunts are in the unsatisfiable core [2021-07-14 06:04:37,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:04:38,761 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-07-14 06:04:38,761 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:04:38,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 23 new quantified variables, introduced 66 case distinctions, treesize of input 55 treesize of output 568 [2021-07-14 06:04:39,760 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 276 [2021-07-14 06:04:39,892 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 280 [2021-07-14 06:04:40,763 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 269 [2021-07-14 06:04:40,897 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 273 [2021-07-14 06:04:41,240 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 411 [2021-07-14 06:04:41,591 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 438 [2021-07-14 06:04:42,446 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 250 [2021-07-14 06:04:42,575 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 252 [2021-07-14 06:04:43,391 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 240 [2021-07-14 06:04:43,495 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 242 [2021-07-14 06:04:43,752 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 374 [2021-07-14 06:04:44,058 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 402 [2021-07-14 06:04:44,843 WARN L205 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 770 DAG size of output: 685 [2021-07-14 06:04:45,703 WARN L205 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 812 DAG size of output: 726 [2021-07-14 06:04:46,707 WARN L205 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 833 DAG size of output: 734 [2021-07-14 06:04:47,864 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 841 DAG size of output: 738 [2021-07-14 06:04:49,059 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 841 DAG size of output: 738 [2021-07-14 06:04:50,443 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 861 DAG size of output: 758 [2021-07-14 06:04:52,187 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 760 DAG size of output: 812 [2021-07-14 06:04:52,996 WARN L205 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 464 DAG size of output: 563 [2021-07-14 06:04:53,543 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 646 [2021-07-14 06:04:54,266 WARN L205 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 545 [2021-07-14 06:04:54,871 WARN L205 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 536 [2021-07-14 06:04:55,183 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 313 [2021-07-14 06:04:55,286 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 254 [2021-07-14 06:04:56,240 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 303 [2021-07-14 06:04:56,684 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 210 [2021-07-14 06:04:57,134 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 214 [2021-07-14 06:04:57,405 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 314 [2021-07-14 06:04:57,989 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 500 [2021-07-14 06:04:58,719 WARN L205 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 754 DAG size of output: 569 [2021-07-14 06:04:58,856 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 217 [2021-07-14 06:04:59,024 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 252 [2021-07-14 06:05:00,032 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 212 [2021-07-14 06:05:00,394 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 273 [2021-07-14 06:05:00,734 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 288 [2021-07-14 06:05:01,630 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 141 [2021-07-14 06:05:01,837 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 195 [2021-07-14 06:05:02,289 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 259 [2021-07-14 06:05:03,033 WARN L205 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 597 DAG size of output: 416 [2021-07-14 06:05:03,153 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 255 [2021-07-14 06:05:03,905 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 186 [2021-07-14 06:05:04,261 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 247 [2021-07-14 06:05:04,454 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 262 [2021-07-14 06:05:04,586 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 250 [2021-07-14 06:05:05,232 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 191 [2021-07-14 06:05:05,390 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 252 [2021-07-14 06:05:05,579 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 253 [2021-07-14 06:05:05,817 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 268 [2021-07-14 06:05:06,324 WARN L205 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 397 [2021-07-14 06:05:07,290 WARN L205 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 975 DAG size of output: 585 [2021-07-14 06:05:08,920 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 1575 DAG size of output: 971 [2021-07-14 06:05:09,919 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 336 [2021-07-14 06:05:10,298 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 355 [2021-07-14 06:05:10,542 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 339 [2021-07-14 06:05:11,658 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 308 [2021-07-14 06:05:11,793 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 322 [2021-07-14 06:05:12,351 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 597 DAG size of output: 379 [2021-07-14 06:05:12,631 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 401 [2021-07-14 06:05:12,959 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 639 DAG size of output: 412 [2021-07-14 06:05:14,091 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 324 [2021-07-14 06:05:14,294 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 334 [2021-07-14 06:05:14,908 WARN L205 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 866 DAG size of output: 570 [2021-07-14 06:05:16,216 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 282 [2021-07-14 06:05:16,464 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 386 [2021-07-14 06:05:16,893 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 444 [2021-07-14 06:05:17,888 WARN L205 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 1125 DAG size of output: 748 [2021-07-14 06:05:19,259 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1273 DAG size of output: 863 [2021-07-14 06:05:19,519 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 273 [2021-07-14 06:05:20,443 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 281 [2021-07-14 06:05:20,621 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 313 [2021-07-14 06:05:21,271 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 281 [2021-07-14 06:05:21,580 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 609 DAG size of output: 428 [2021-07-14 06:05:22,713 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 324 [2021-07-14 06:05:22,933 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 374 [2021-07-14 06:05:23,486 WARN L205 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 756 DAG size of output: 529 [2021-07-14 06:05:25,560 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 1662 DAG size of output: 1121 [2021-07-14 06:05:25,837 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 336 [2021-07-14 06:05:26,037 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 278 [2021-07-14 06:05:26,764 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 208 [2021-07-14 06:05:26,911 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 220 [2021-07-14 06:05:27,637 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 191 [2021-07-14 06:05:27,762 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 215 [2021-07-14 06:05:27,915 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 236 [2021-07-14 06:05:28,265 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 345 [2021-07-14 06:05:28,430 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 242 [2021-07-14 06:05:29,886 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 303 [2021-07-14 06:05:30,177 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 323 [2021-07-14 06:05:30,731 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 666 DAG size of output: 465 [2021-07-14 06:05:30,864 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 307 [2021-07-14 06:05:31,711 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 206 [2021-07-14 06:05:32,381 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 285 [2021-07-14 06:05:33,423 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 255 [2021-07-14 06:05:33,600 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 279 [2021-07-14 06:05:34,036 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 424 [2021-07-14 06:05:34,633 WARN L205 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 642 DAG size of output: 511 [2021-07-14 06:05:35,979 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 1161 DAG size of output: 818 [2021-07-14 06:05:39,645 WARN L205 SmtUtils]: Spent 3.66 s on a formula simplification. DAG size of input: 2529 DAG size of output: 1673 [2021-07-14 06:05:44,005 WARN L205 SmtUtils]: Spent 4.35 s on a formula simplification. DAG size of input: 2885 DAG size of output: 1923 [2021-07-14 06:05:50,730 WARN L205 SmtUtils]: Spent 6.71 s on a formula simplification. DAG size of input: 4260 DAG size of output: 2683 [2021-07-14 06:05:58,516 WARN L205 SmtUtils]: Spent 7.77 s on a formula simplification. DAG size of input: 4417 DAG size of output: 2844 [2021-07-14 06:06:07,584 WARN L205 SmtUtils]: Spent 9.05 s on a formula simplification. DAG size of input: 4663 DAG size of output: 2936 [2021-07-14 06:06:08,187 WARN L205 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 626 [2021-07-14 06:06:08,952 WARN L205 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 525 [2021-07-14 06:06:09,594 WARN L205 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 490 [2021-07-14 06:06:11,091 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 464 [2021-07-14 06:06:11,278 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 479 DAG size of output: 470 [2021-07-14 06:06:11,611 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 813 DAG size of output: 655 [2021-07-14 06:06:11,842 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 221 [2021-07-14 06:06:12,917 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 181 [2021-07-14 06:06:13,442 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 179 [2021-07-14 06:06:13,661 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 241 [2021-07-14 06:06:13,942 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 244 [2021-07-14 06:06:14,342 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 287 [2021-07-14 06:06:15,234 WARN L205 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 681 [2021-07-14 06:06:16,176 WARN L205 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 584 [2021-07-14 06:06:17,031 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 499 [2021-07-14 06:06:17,198 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 324 [2021-07-14 06:06:17,356 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 322 [2021-07-14 06:06:18,129 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 201 [2021-07-14 06:06:18,753 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 189 [2021-07-14 06:06:19,075 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 286 [2021-07-14 06:06:19,181 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 244 [2021-07-14 06:06:19,976 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 214 [2021-07-14 06:06:20,132 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 256 [2021-07-14 06:06:20,874 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 347 [2021-07-14 06:06:21,461 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 524 [2021-07-14 06:06:22,804 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 266 [2021-07-14 06:06:24,694 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 191 [2021-07-14 06:06:24,888 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 262 [2021-07-14 06:06:25,198 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 355 [2021-07-14 06:06:25,612 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 397 [2021-07-14 06:06:26,291 WARN L205 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 559 [2021-07-14 06:06:27,660 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 977 DAG size of output: 792 [2021-07-14 06:06:29,078 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1064 DAG size of output: 842 [2021-07-14 06:06:30,824 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 1243 DAG size of output: 920 [2021-07-14 06:06:32,942 WARN L205 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 1442 DAG size of output: 1089 [2021-07-14 06:06:33,542 WARN L205 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 457 [2021-07-14 06:06:33,804 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 383 [2021-07-14 06:06:34,147 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 429 [2021-07-14 06:06:35,023 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 249 [2021-07-14 06:06:35,913 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 344 [2021-07-14 06:06:36,284 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 395 [2021-07-14 06:06:37,713 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 332 [2021-07-14 06:06:38,032 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 381 [2021-07-14 06:06:38,379 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 401 [2021-07-14 06:06:39,084 WARN L205 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 692 DAG size of output: 593 [2021-07-14 06:06:39,461 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 444 [2021-07-14 06:06:40,213 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 210 [2021-07-14 06:06:40,358 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 233 [2021-07-14 06:06:40,518 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 245 [2021-07-14 06:06:41,151 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 345 [2021-07-14 06:06:41,545 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 398 [2021-07-14 06:06:42,267 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 217 [2021-07-14 06:06:42,887 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 245 [2021-07-14 06:06:43,161 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 344 [2021-07-14 06:06:43,548 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 397 [2021-07-14 06:06:44,276 WARN L205 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 601 [2021-07-14 06:06:45,571 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1077 DAG size of output: 809 [2021-07-14 06:06:47,122 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 1165 DAG size of output: 847 [2021-07-14 06:06:51,366 WARN L205 SmtUtils]: Spent 4.24 s on a formula simplification. DAG size of input: 2290 DAG size of output: 1526 [2021-07-14 06:06:57,060 WARN L205 SmtUtils]: Spent 5.68 s on a formula simplification. DAG size of input: 3340 DAG size of output: 2063 [2021-07-14 06:07:03,712 WARN L205 SmtUtils]: Spent 6.64 s on a formula simplification. DAG size of input: 3491 DAG size of output: 2236 [2021-07-14 06:07:11,388 WARN L205 SmtUtils]: Spent 7.66 s on a formula simplification. DAG size of input: 3713 DAG size of output: 2317 [2021-07-14 06:07:28,508 WARN L205 SmtUtils]: Spent 17.10 s on a formula simplification. DAG size of input: 7370 DAG size of output: 4532 [2021-07-14 06:07:49,379 WARN L205 SmtUtils]: Spent 20.84 s on a formula simplification. DAG size of input: 7654 DAG size of output: 4652 [2021-07-14 06:08:10,173 WARN L205 SmtUtils]: Spent 20.76 s on a formula simplification. DAG size of input: 7654 DAG size of output: 4652 [2021-07-14 06:08:33,633 WARN L205 SmtUtils]: Spent 23.44 s on a formula simplification. DAG size of input: 7669 DAG size of output: 4667 [2021-07-14 06:08:34,371 WARN L205 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 4661 [2021-07-14 06:09:00,246 WARN L205 SmtUtils]: Spent 25.85 s on a formula simplification. DAG size of input: 4663 DAG size of output: 6220 [2021-07-14 06:09:09,668 WARN L205 SmtUtils]: Spent 9.37 s on a formula simplification. DAG size of input: 4573 DAG size of output: 4534 [2021-07-14 06:09:30,786 WARN L205 SmtUtils]: Spent 21.08 s on a formula simplification. DAG size of input: 4531 DAG size of output: 4865 [2021-07-14 06:09:44,742 WARN L205 SmtUtils]: Spent 13.92 s on a formula simplification. DAG size of input: 3153 DAG size of output: 3275 [2021-07-14 06:09:54,089 WARN L205 SmtUtils]: Spent 9.33 s on a formula simplification. DAG size of input: 3100 DAG size of output: 3091 [2021-07-14 06:10:10,614 WARN L205 SmtUtils]: Spent 16.50 s on a formula simplification. DAG size of input: 2740 DAG size of output: 4110 [2021-07-14 06:10:11,480 WARN L205 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 2692 DAG size of output: 2692 [2021-07-14 06:10:11,745 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 256 [2021-07-14 06:10:12,197 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 1341 [2021-07-14 06:10:12,480 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 1234 [2021-07-14 06:10:12,609 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2021-07-14 06:10:12,741 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 668 DAG size of output: 668 [2021-07-14 06:10:12,872 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 635 DAG size of output: 635 [2021-07-14 06:10:14,309 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 685 [2021-07-14 06:10:14,852 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 596 DAG size of output: 558 [2021-07-14 06:10:15,889 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 189 [2021-07-14 06:10:16,075 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 318 [2021-07-14 06:10:16,405 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 429 [2021-07-14 06:10:16,835 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 846 DAG size of output: 502 [2021-07-14 06:10:17,202 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 450 [2021-07-14 06:10:17,642 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 1736 DAG size of output: 1736 [2021-07-14 06:10:17,839 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 1598 [2021-07-14 06:10:18,150 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 1498 [2021-07-14 06:10:18,413 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 1220 DAG size of output: 1220 [2021-07-14 06:10:18,848 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 1076 DAG size of output: 852 [2021-07-14 06:10:19,356 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 705 [2021-07-14 06:10:21,196 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 487 DAG size of output: 313 [2021-07-14 06:10:21,452 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 375 [2021-07-14 06:10:23,285 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 357 [2021-07-14 06:10:24,620 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 227 [2021-07-14 06:10:25,633 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 391 [2021-07-14 06:10:26,109 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 871 DAG size of output: 621 [2021-07-14 06:10:27,014 WARN L205 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 1446 DAG size of output: 922 [2021-07-14 06:10:28,081 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1728 DAG size of output: 970 [2021-07-14 06:10:29,136 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 1758 DAG size of output: 839 [2021-07-14 06:10:29,375 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 283 [2021-07-14 06:10:30,937 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 1922 DAG size of output: 903 [2021-07-14 06:10:32,750 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 2598 DAG size of output: 1165 [2021-07-14 06:10:38,327 WARN L205 SmtUtils]: Spent 5.54 s on a formula simplification. DAG size of input: 4518 DAG size of output: 2219 [2021-07-14 06:10:39,026 WARN L205 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 525 [2021-07-14 06:10:39,355 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 477 [2021-07-14 06:10:40,211 WARN L205 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 729 [2021-07-14 06:10:40,469 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 468 DAG size of output: 338 [2021-07-14 06:10:41,147 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 273 [2021-07-14 06:10:41,401 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 279 [2021-07-14 06:10:41,713 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 325 [2021-07-14 06:10:48,135 WARN L205 SmtUtils]: Spent 6.42 s on a formula simplification. DAG size of input: 4961 DAG size of output: 2195 [2021-07-14 06:10:55,998 WARN L205 SmtUtils]: Spent 7.84 s on a formula simplification. DAG size of input: 5328 DAG size of output: 2407 [2021-07-14 06:11:05,913 WARN L205 SmtUtils]: Spent 9.89 s on a formula simplification. DAG size of input: 6680 DAG size of output: 2674 [2021-07-14 06:11:16,798 WARN L205 SmtUtils]: Spent 10.86 s on a formula simplification. DAG size of input: 6693 DAG size of output: 2686 [2021-07-14 06:11:30,128 WARN L205 SmtUtils]: Spent 13.30 s on a formula simplification. DAG size of input: 8215 DAG size of output: 3079 [2021-07-14 06:11:43,348 WARN L205 SmtUtils]: Spent 13.19 s on a formula simplification. DAG size of input: 8215 DAG size of output: 3079 [2021-07-14 06:11:58,922 WARN L205 SmtUtils]: Spent 15.52 s on a formula simplification. DAG size of input: 8225 DAG size of output: 3069 [2021-07-14 06:12:11,451 WARN L205 SmtUtils]: Spent 12.50 s on a formula simplification. DAG size of input: 3054 DAG size of output: 3247 [2021-07-14 06:12:17,020 WARN L205 SmtUtils]: Spent 5.53 s on a formula simplification. DAG size of input: 2778 DAG size of output: 2144 [2021-07-14 06:12:21,549 WARN L205 SmtUtils]: Spent 4.51 s on a formula simplification. DAG size of input: 1921 DAG size of output: 2107 [2021-07-14 06:12:25,628 WARN L205 SmtUtils]: Spent 4.07 s on a formula simplification. DAG size of input: 1844 DAG size of output: 1869 [2021-07-14 06:12:25,822 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 1774 [2021-07-14 06:12:25,989 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 1623 [2021-07-14 06:12:26,168 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 271 [2021-07-14 06:12:26,760 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 234 [2021-07-14 06:12:27,226 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 302 [2021-07-14 06:12:27,376 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 1442 [2021-07-14 06:12:27,668 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 262 [2021-07-14 06:12:27,829 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 233 [2021-07-14 06:12:28,628 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 1292 DAG size of output: 1292 [2021-07-14 06:12:28,830 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 265 [2021-07-14 06:12:29,092 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 204 [2021-07-14 06:12:29,270 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 214 [2021-07-14 06:12:30,251 WARN L205 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 1104 DAG size of output: 1104 [2021-07-14 06:12:30,925 WARN L205 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 490 [2021-07-14 06:12:31,901 WARN L205 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 509 [2021-07-14 06:12:32,484 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 338 [2021-07-14 06:12:32,755 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 441 [2021-07-14 06:12:33,134 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 535 [2021-07-14 06:12:33,837 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 353 [2021-07-14 06:12:34,503 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 204 [2021-07-14 06:12:34,641 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 216 [2021-07-14 06:12:35,285 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 291 [2021-07-14 06:12:36,005 WARN L205 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 1185 DAG size of output: 751 [2021-07-14 06:12:37,051 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 1369 DAG size of output: 911 [2021-07-14 06:12:38,185 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 1497 DAG size of output: 994 [2021-07-14 06:12:39,553 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1806 DAG size of output: 1194 [2021-07-14 06:12:39,733 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 248 [2021-07-14 06:12:39,918 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 207 [2021-07-14 06:12:40,213 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 232 [2021-07-14 06:12:40,911 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 207 [2021-07-14 06:12:41,064 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 223 [2021-07-14 06:12:42,612 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 2038 DAG size of output: 1341 [2021-07-14 06:12:44,582 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 2187 DAG size of output: 1400 [2021-07-14 06:12:47,511 WARN L205 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 2655 DAG size of output: 1823 [2021-07-14 06:12:51,276 WARN L205 SmtUtils]: Spent 3.75 s on a formula simplification. DAG size of input: 2932 DAG size of output: 2078 [2021-07-14 06:12:56,034 WARN L205 SmtUtils]: Spent 4.74 s on a formula simplification. DAG size of input: 3415 DAG size of output: 2208 [2021-07-14 06:13:01,382 WARN L205 SmtUtils]: Spent 5.33 s on a formula simplification. DAG size of input: 3441 DAG size of output: 2213 [2021-07-14 06:13:06,951 WARN L205 SmtUtils]: Spent 5.55 s on a formula simplification. DAG size of input: 3441 DAG size of output: 2213 [2021-07-14 06:13:12,891 WARN L205 SmtUtils]: Spent 5.93 s on a formula simplification. DAG size of input: 3444 DAG size of output: 2217 [2021-07-14 06:13:13,137 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 2213 [2021-07-14 06:13:13,606 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 2213 DAG size of output: 2213 [2021-07-14 06:13:13,835 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 2208 [2021-07-14 06:13:18,266 WARN L205 SmtUtils]: Spent 4.42 s on a formula simplification. DAG size of input: 2078 DAG size of output: 1870 [2021-07-14 06:13:18,573 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 1107 [2021-07-14 06:13:20,394 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1010 DAG size of output: 875 [2021-07-14 06:13:20,900 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 416 [2021-07-14 06:13:21,068 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 188 [2021-07-14 06:13:21,515 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 197 [2021-07-14 06:13:22,540 WARN L205 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 529 [2021-07-14 06:13:22,745 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 289 [2021-07-14 06:13:23,319 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 258 [2021-07-14 06:13:23,990 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 286 [2021-07-14 06:13:24,226 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 593 DAG size of output: 383 [2021-07-14 06:13:24,400 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 947 DAG size of output: 945 [2021-07-14 06:13:25,685 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 789 DAG size of output: 735 [2021-07-14 06:13:26,223 WARN L205 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 547 [2021-07-14 06:13:26,682 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 537 DAG size of output: 464 [2021-07-14 06:13:27,326 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 242 [2021-07-14 06:13:27,470 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 252 [2021-07-14 06:13:27,770 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 239 [2021-07-14 06:13:28,395 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 315 [2021-07-14 06:13:28,530 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 196 [2021-07-14 06:13:28,928 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 582 DAG size of output: 346 [2021-07-14 06:13:29,215 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 589 DAG size of output: 350 [2021-07-14 06:13:29,742 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 574 [2021-07-14 06:13:30,030 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 292 [2021-07-14 06:13:30,166 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 195 [2021-07-14 06:13:30,878 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 213 [2021-07-14 06:13:31,011 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 199 [2021-07-14 06:13:32,285 WARN L205 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 1288 DAG size of output: 687 [2021-07-14 06:13:33,173 WARN L205 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 1291 DAG size of output: 686 [2021-07-14 06:13:34,102 WARN L205 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 1291 DAG size of output: 686 [2021-07-14 06:13:35,038 WARN L205 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 1297 DAG size of output: 692 [2021-07-14 06:13:35,361 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 491 [2021-07-14 06:13:35,885 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 304 [2021-07-14 06:13:36,182 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 355 [2021-07-14 06:13:36,541 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 360 [2021-07-14 06:13:36,893 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 360 [2021-07-14 06:13:37,263 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 363 [2021-07-14 06:13:37,541 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 365 [2021-07-14 06:13:37,670 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 248 [2021-07-14 06:13:38,498 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:13:38,500 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:13:38,500 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 06:13:38,500 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:3 [2021-07-14 06:13:38,504 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:13:38,504 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1187583602] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:13:38,504 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:13:38,504 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 20] total 32 [2021-07-14 06:13:38,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685929620] [2021-07-14 06:13:38,505 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-14 06:13:38,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:13:38,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-14 06:13:38,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=975, Unknown=0, NotChecked=0, Total=1056 [2021-07-14 06:13:38,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:13:38,506 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:13:38,506 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 1.5151515151515151) internal successors, (50), 32 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:13:38,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:13:38,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:13:38,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:13:38,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:13:38,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:13:38,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:13:38,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:13:38,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:13:38,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:13:38,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:13:38,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:13:38,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:13:38,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:13:38,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:13:38,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:13:38,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:13:38,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:13:38,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:13:38,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:13:38,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:13:38,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:13:38,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:13:38,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:13:38,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:13:38,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:13:38,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:13:38,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:13:38,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:13:38,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:13:38,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:13:38,895 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1343 [2021-07-14 06:13:38,895 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:13:38,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:13:38,896 INFO L82 PathProgramCache]: Analyzing trace with hash 174754002, now seen corresponding path program 14 times [2021-07-14 06:13:38,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:13:38,896 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234549457] [2021-07-14 06:13:38,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:13:38,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:13:39,109 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 78 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:13:39,110 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:13:39,110 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234549457] [2021-07-14 06:13:39,110 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234549457] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:13:39,110 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [369883996] [2021-07-14 06:13:39,110 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:13:39,163 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 06:13:39,164 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:13:39,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-14 06:13:39,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:13:39,239 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 91 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:13:39,239 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [369883996] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:13:39,239 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:13:39,239 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 23 [2021-07-14 06:13:39,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735637036] [2021-07-14 06:13:39,240 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-14 06:13:39,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:13:39,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-14 06:13:39,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=394, Unknown=0, NotChecked=0, Total=552 [2021-07-14 06:13:39,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:13:39,241 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:13:39,241 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:13:39,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:13:39,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:13:39,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:13:39,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:13:39,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:13:39,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:13:39,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:13:39,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:13:39,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:13:39,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:13:39,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:13:39,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:13:39,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:13:39,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:13:39,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:13:39,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:13:39,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:13:39,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:13:39,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:13:39,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:13:39,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:13:39,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:13:39,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:13:39,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:13:39,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:13:39,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:13:39,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:13:39,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:13:39,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:13:39,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 06:13:39,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:13:39,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:13:39,777 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11576 [2021-07-14 06:13:39,777 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:13:39,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:13:39,777 INFO L82 PathProgramCache]: Analyzing trace with hash 1123135217, now seen corresponding path program 15 times [2021-07-14 06:13:39,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:13:39,778 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255374974] [2021-07-14 06:13:39,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:13:39,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:13:39,949 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:13:39,949 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:13:39,949 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255374974] [2021-07-14 06:13:39,949 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255374974] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:13:39,949 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [229193044] [2021-07-14 06:13:39,949 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:13:40,000 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-07-14 06:13:40,000 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:13:40,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 49 conjunts are in the unsatisfiable core [2021-07-14 06:13:40,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:13:41,233 WARN L205 SmtUtils]: Spent 641.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2021-07-14 06:13:41,234 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:13:41,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 27 new quantified variables, introduced 91 case distinctions, treesize of input 63 treesize of output 774 [2021-07-14 06:13:42,403 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 301 [2021-07-14 06:13:42,580 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 334 [2021-07-14 06:13:42,815 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 363 [2021-07-14 06:13:44,216 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 673 DAG size of output: 609 [2021-07-14 06:13:44,498 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 701 DAG size of output: 636 [2021-07-14 06:13:45,087 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 912 [2021-07-14 06:13:45,844 WARN L205 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 1137 DAG size of output: 937 [2021-07-14 06:13:46,761 WARN L205 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 1169 DAG size of output: 969 [2021-07-14 06:13:47,921 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 1200 DAG size of output: 1000 [2021-07-14 06:13:49,313 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 1232 DAG size of output: 1032 [2021-07-14 06:13:50,595 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 235 [2021-07-14 06:13:50,740 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 256 [2021-07-14 06:13:50,918 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 289 [2021-07-14 06:13:51,114 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 412 DAG size of output: 321 [2021-07-14 06:13:51,345 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 354 [2021-07-14 06:13:53,167 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 1480 DAG size of output: 1192 [2021-07-14 06:13:53,811 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 324 [2021-07-14 06:13:54,681 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 657 DAG size of output: 593 [2021-07-14 06:13:55,895 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 324 [2021-07-14 06:13:56,093 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 589 [2021-07-14 06:13:56,589 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 1250 DAG size of output: 1122 [2021-07-14 06:13:57,246 WARN L205 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 1279 DAG size of output: 1150 [2021-07-14 06:13:58,073 WARN L205 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 1310 DAG size of output: 1181 [2021-07-14 06:13:59,090 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 1340 DAG size of output: 1211 [2021-07-14 06:14:00,390 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1369 DAG size of output: 1239 [2021-07-14 06:14:01,884 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 460 DAG size of output: 316 [2021-07-14 06:14:02,087 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 348 [2021-07-14 06:14:02,336 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 523 DAG size of output: 375 [2021-07-14 06:14:02,638 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 406 [2021-07-14 06:14:02,963 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 436 [2021-07-14 06:14:04,872 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 1800 DAG size of output: 1526 [2021-07-14 06:14:07,080 WARN L205 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 1831 DAG size of output: 1557 [2021-07-14 06:14:11,431 WARN L205 SmtUtils]: Spent 4.34 s on a formula simplification. DAG size of input: 3112 DAG size of output: 2563 [2021-07-14 06:14:16,369 WARN L205 SmtUtils]: Spent 4.92 s on a formula simplification. DAG size of input: 3143 DAG size of output: 2594 [2021-07-14 06:14:21,794 WARN L205 SmtUtils]: Spent 5.41 s on a formula simplification. DAG size of input: 3171 DAG size of output: 2622 [2021-07-14 06:14:27,931 WARN L205 SmtUtils]: Spent 6.12 s on a formula simplification. DAG size of input: 3200 DAG size of output: 2649 [2021-07-14 06:14:34,714 WARN L205 SmtUtils]: Spent 6.77 s on a formula simplification. DAG size of input: 3246 DAG size of output: 2693 [2021-07-14 06:14:36,006 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 234 [2021-07-14 06:14:36,148 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 262 [2021-07-14 06:14:36,318 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 295 [2021-07-14 06:14:36,520 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 327 [2021-07-14 06:14:37,919 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 610 [2021-07-14 06:14:38,978 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 302 [2021-07-14 06:14:39,165 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 335 [2021-07-14 06:14:39,653 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 881 [2021-07-14 06:14:40,282 WARN L205 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 1104 DAG size of output: 911 [2021-07-14 06:14:41,059 WARN L205 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 1136 DAG size of output: 943 [2021-07-14 06:14:41,980 WARN L205 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 1168 DAG size of output: 975 [2021-07-14 06:14:43,138 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 1199 DAG size of output: 1006 [2021-07-14 06:14:44,719 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 1441 DAG size of output: 1168 [2021-07-14 06:14:46,544 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 1474 DAG size of output: 1201 [2021-07-14 06:14:47,590 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 302 [2021-07-14 06:14:47,783 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 335 [2021-07-14 06:14:48,012 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 493 DAG size of output: 364 [2021-07-14 06:14:49,219 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 304 [2021-07-14 06:14:49,421 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 339 [2021-07-14 06:14:49,699 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 499 DAG size of output: 370 [2021-07-14 06:14:50,276 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 890 DAG size of output: 633 [2021-07-14 06:14:50,969 WARN L205 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 923 DAG size of output: 659 [2021-07-14 06:14:51,778 WARN L205 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 957 DAG size of output: 693 [2021-07-14 06:14:52,706 WARN L205 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 990 DAG size of output: 726 [2021-07-14 06:14:53,802 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 1024 DAG size of output: 760 [2021-07-14 06:14:55,865 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1051 DAG size of output: 779 [2021-07-14 06:14:59,205 WARN L205 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 2305 DAG size of output: 1755 [2021-07-14 06:15:03,011 WARN L205 SmtUtils]: Spent 3.79 s on a formula simplification. DAG size of input: 2338 DAG size of output: 1788 [2021-07-14 06:15:07,150 WARN L205 SmtUtils]: Spent 4.13 s on a formula simplification. DAG size of input: 2368 DAG size of output: 1818 [2021-07-14 06:15:11,728 WARN L205 SmtUtils]: Spent 4.57 s on a formula simplification. DAG size of input: 2399 DAG size of output: 1847 [2021-07-14 06:15:24,317 WARN L205 SmtUtils]: Spent 12.57 s on a formula simplification. DAG size of input: 5327 DAG size of output: 4237 [2021-07-14 06:15:38,135 WARN L205 SmtUtils]: Spent 13.79 s on a formula simplification. DAG size of input: 5355 DAG size of output: 4263 [2021-07-14 06:15:52,226 WARN L205 SmtUtils]: Spent 14.06 s on a formula simplification. DAG size of input: 5355 DAG size of output: 4263 [2021-07-14 06:16:08,342 WARN L205 SmtUtils]: Spent 16.10 s on a formula simplification. DAG size of input: 5378 DAG size of output: 4286 [2021-07-14 06:16:35,016 WARN L205 SmtUtils]: Spent 26.64 s on a formula simplification. DAG size of input: 4288 DAG size of output: 5230 [2021-07-14 06:17:06,166 WARN L205 SmtUtils]: Spent 31.11 s on a formula simplification. DAG size of input: 4282 DAG size of output: 6377 [2021-07-14 06:17:06,632 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 4274 [2021-07-14 06:17:07,939 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 309 [2021-07-14 06:17:08,173 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 334 [2021-07-14 06:17:08,897 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 256 [2021-07-14 06:17:09,558 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 244 [2021-07-14 06:17:09,817 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 352 [2021-07-14 06:17:10,119 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 375 [2021-07-14 06:17:10,735 WARN L205 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 657 DAG size of output: 545 [2021-07-14 06:17:11,364 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 240 [2021-07-14 06:17:12,016 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 250 [2021-07-14 06:17:12,260 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 346 [2021-07-14 06:17:13,461 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 299 [2021-07-14 06:17:13,977 WARN L205 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 618 DAG size of output: 516 [2021-07-14 06:17:14,564 WARN L205 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 643 DAG size of output: 538 [2021-07-14 06:17:15,783 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 1114 DAG size of output: 848 [2021-07-14 06:17:16,363 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 248 [2021-07-14 06:17:17,056 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 340 [2021-07-14 06:17:18,039 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 275 [2021-07-14 06:17:18,539 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 481 [2021-07-14 06:17:19,072 WARN L205 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 501 [2021-07-14 06:17:19,593 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 233 [2021-07-14 06:17:19,706 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 256 [2021-07-14 06:17:20,470 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 349 [2021-07-14 06:17:20,762 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 370 [2021-07-14 06:17:21,805 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 287 [2021-07-14 06:17:22,002 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 307 [2021-07-14 06:17:22,576 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 514 [2021-07-14 06:17:23,687 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 926 DAG size of output: 806 [2021-07-14 06:17:26,368 WARN L205 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 1850 DAG size of output: 1449 [2021-07-14 06:17:29,302 WARN L205 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 1896 DAG size of output: 1472 [2021-07-14 06:17:58,796 WARN L205 SmtUtils]: Spent 29.47 s on a formula simplification. DAG size of input: 4246 DAG size of output: 4857 [2021-07-14 06:18:05,216 WARN L205 SmtUtils]: Spent 6.39 s on a formula simplification. DAG size of input: 3461 DAG size of output: 3493 [2021-07-14 06:18:05,584 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 3454 [2021-07-14 06:18:05,792 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 2104 [2021-07-14 06:18:06,824 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 312 [2021-07-14 06:18:06,969 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 349 [2021-07-14 06:18:07,220 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 369 [2021-07-14 06:18:07,683 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 314 [2021-07-14 06:18:07,789 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 337 [2021-07-14 06:18:07,928 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 348 [2021-07-14 06:18:08,089 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 358 [2021-07-14 06:18:08,277 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 406 DAG size of output: 388 [2021-07-14 06:18:09,045 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 411 [2021-07-14 06:18:09,742 WARN L205 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 606 [2021-07-14 06:18:10,650 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 308 [2021-07-14 06:18:10,764 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 312 [2021-07-14 06:18:10,901 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 317 [2021-07-14 06:18:11,074 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 342 [2021-07-14 06:18:11,348 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 362 [2021-07-14 06:18:12,337 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 310 [2021-07-14 06:18:12,448 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 334 [2021-07-14 06:18:12,562 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 340 [2021-07-14 06:18:12,704 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 345 [2021-07-14 06:18:12,885 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 356 [2021-07-14 06:18:13,090 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 372 [2021-07-14 06:18:13,434 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 391 [2021-07-14 06:18:14,163 WARN L205 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 690 DAG size of output: 588 [2021-07-14 06:18:15,812 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 1166 DAG size of output: 1021 [2021-07-14 06:18:16,000 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 2061 [2021-07-14 06:18:16,550 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 2038 DAG size of output: 2038 [2021-07-14 06:18:16,901 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 2015 DAG size of output: 2015 [2021-07-14 06:18:17,751 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 319 [2021-07-14 06:18:18,323 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 305 [2021-07-14 06:18:18,633 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 333 [2021-07-14 06:18:19,520 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 342 [2021-07-14 06:18:20,145 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 326 [2021-07-14 06:18:20,461 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 356 [2021-07-14 06:18:20,844 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 396 [2021-07-14 06:18:21,661 WARN L205 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 670 DAG size of output: 585 [2021-07-14 06:18:22,634 WARN L205 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 595 [2021-07-14 06:18:27,946 WARN L205 SmtUtils]: Spent 5.30 s on a formula simplification. DAG size of input: 1987 DAG size of output: 2454 [2021-07-14 06:18:28,122 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 1982 [2021-07-14 06:18:28,569 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 285 Received shutdown request... [2021-07-14 06:18:29,050 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11577 [2021-07-14 06:18:29,050 WARN L547 AbstractCegarLoop]: Verification canceled [2021-07-14 06:18:29,057 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 06:18:29,058 WARN L196 ceAbstractionStarter]: Timeout [2021-07-14 06:18:29,058 INFO L202 PluginConnector]: Adding new model unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 06:18:29 BasicIcfg [2021-07-14 06:18:29,058 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 06:18:29,058 INFO L168 Benchmark]: Toolchain (without parser) took 868698.25 ms. Allocated memory was 180.4 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 161.6 MB in the beginning and 636.0 MB in the end (delta: -474.4 MB). Peak memory consumption was 905.9 MB. Max. memory is 8.0 GB. [2021-07-14 06:18:29,058 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 180.4 MB. Free memory is still 162.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 06:18:29,058 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.95 ms. Allocated memory is still 180.4 MB. Free memory was 161.6 MB in the beginning and 160.1 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 06:18:29,058 INFO L168 Benchmark]: Boogie Preprocessor took 12.58 ms. Allocated memory is still 180.4 MB. Free memory was 160.1 MB in the beginning and 159.2 MB in the end (delta: 943.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 06:18:29,058 INFO L168 Benchmark]: RCFGBuilder took 277.67 ms. Allocated memory is still 180.4 MB. Free memory was 159.0 MB in the beginning and 145.0 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-07-14 06:18:29,058 INFO L168 Benchmark]: TraceAbstraction took 868381.58 ms. Allocated memory was 180.4 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 144.6 MB in the beginning and 636.0 MB in the end (delta: -491.4 MB). Peak memory consumption was 889.1 MB. Max. memory is 8.0 GB. [2021-07-14 06:18:29,059 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 180.4 MB. Free memory is still 162.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 21.95 ms. Allocated memory is still 180.4 MB. Free memory was 161.6 MB in the beginning and 160.1 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 12.58 ms. Allocated memory is still 180.4 MB. Free memory was 160.1 MB in the beginning and 159.2 MB in the end (delta: 943.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 277.67 ms. Allocated memory is still 180.4 MB. Free memory was 159.0 MB in the beginning and 145.0 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 868381.58 ms. Allocated memory was 180.4 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 144.6 MB in the beginning and 636.0 MB in the end (delta: -491.4 MB). Peak memory consumption was 889.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 663, positive: 412, positive conditional: 412, positive unconditional: 0, negative: 251, negative conditional: 251, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 412, positive: 412, positive conditional: 412, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 412, positive: 412, positive conditional: 0, positive unconditional: 412, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 412, positive: 404, positive conditional: 0, positive unconditional: 404, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 251 - TimeoutResultAtElement [Line: 53]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 31 with TraceHistMax 14,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 20 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 868292.6ms, OverallIterations: 17, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.9ms, PartialOrderReductionTime: 1963.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 175, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 87.0ms SsaConstructionTime, 317.7ms SatisfiabilityAnalysisTime, 572700.9ms InterpolantComputationTime, 577 NumberOfCodeBlocks, 577 NumberOfCodeBlocksAsserted, 57 NumberOfCheckSat, 546 ConstructedInterpolants, 0 QuantifiedInterpolants, 4184 SizeOfPredicates, 16 NumberOfNonLiveVariables, 1135 ConjunctsInSsa, 267 ConjunctsInUnsatCore, 31 InterpolantComputations, 1 PerfectInterpolantSequences, 464/1290 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown