/usr/bin/java -Xmx16000000000 -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-DelaySleep-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-07 02:30:40,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-07 02:30:40,412 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-07 02:30:40,449 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-07 02:30:40,505 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-DelaySleep-NoLbe-Random7777.epf [2021-06-07 02:30:40,538 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-07 02:30:40,538 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-07 02:30:40,539 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-07 02:30:40,539 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-07 02:30:40,541 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-07 02:30:40,541 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-07 02:30:40,542 INFO L138 SettingsManager]: * Use SBE=true [2021-06-07 02:30:40,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-07 02:30:40,542 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-07 02:30:40,542 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-07 02:30:40,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-07 02:30:40,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-07 02:30:40,544 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-07 02:30:40,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-07 02:30:40,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-07 02:30:40,544 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-07 02:30:40,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-07 02:30:40,544 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-07 02:30:40,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-07 02:30:40,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-07 02:30:40,545 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-07 02:30:40,545 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-07 02:30:40,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-07 02:30:40,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 02:30:40,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-07 02:30:40,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-07 02:30:40,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-07 02:30:40,546 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-07 02:30:40,546 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-07 02:30:40,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-07 02:30:40,546 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-07 02:30:40,546 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-07 02:30:40,547 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-07 02:30:40,547 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-07 02:30:40,547 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-07 02:30:40,547 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-07 02:30:40,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-07 02:30:40,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-07 02:30:40,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-07 02:30:40,935 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-07 02:30:40,936 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-07 02:30:40,937 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-3.wvr.bpl [2021-06-07 02:30:40,948 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-3.wvr.bpl' [2021-06-07 02:30:40,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-07 02:30:40,985 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-07 02:30:40,986 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-07 02:30:40,986 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-07 02:30:40,986 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-07 02:30:41,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:30:40" (1/1) ... [2021-06-07 02:30:41,011 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:30:40" (1/1) ... [2021-06-07 02:30:41,017 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-07 02:30:41,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-07 02:30:41,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-07 02:30:41,018 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-07 02:30:41,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:30:40" (1/1) ... [2021-06-07 02:30:41,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:30:40" (1/1) ... [2021-06-07 02:30:41,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:30:40" (1/1) ... [2021-06-07 02:30:41,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:30:40" (1/1) ... [2021-06-07 02:30:41,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:30:40" (1/1) ... [2021-06-07 02:30:41,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:30:40" (1/1) ... [2021-06-07 02:30:41,033 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:30:40" (1/1) ... [2021-06-07 02:30:41,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-07 02:30:41,034 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-07 02:30:41,035 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-07 02:30:41,035 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-07 02:30:41,037 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:30:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 02:30:41,096 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-07 02:30:41,097 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-07 02:30:41,097 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-07 02:30:41,097 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-07 02:30:41,097 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-07 02:30:41,097 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-07 02:30:41,097 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-07 02:30:41,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-07 02:30:41,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-07 02:30:41,098 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-07 02:30:41,431 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-07 02:30:41,431 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-06-07 02:30:41,432 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-07 02:30:41,433 INFO L202 PluginConnector]: Adding new model unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 02:30:41 BoogieIcfgContainer [2021-06-07 02:30:41,433 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-07 02:30:41,435 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-07 02:30:41,435 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-07 02:30:41,437 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-07 02:30:41,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:30:40" (1/2) ... [2021-06-07 02:30:41,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ab41b9f and model type unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 02:30:41, skipping insertion in model container [2021-06-07 02:30:41,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 02:30:41" (2/2) ... [2021-06-07 02:30:41,439 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-3.wvr.bpl [2021-06-07 02:30:41,463 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-07 02:30:41,463 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-07 02:30:41,463 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-07 02:30:41,464 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-07 02:30:41,509 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-07 02:30:41,526 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-07 02:30:41,583 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 02:30:41,583 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 02:30:41,583 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 02:30:41,583 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 02:30:41,583 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 02:30:41,583 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 02:30:41,583 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 02:30:41,584 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-07 02:30:41,612 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:30:41,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:30:41,617 INFO L82 PathProgramCache]: Analyzing trace with hash -2049507901, now seen corresponding path program 1 times [2021-06-07 02:30:41,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:30:41,625 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849930270] [2021-06-07 02:30:41,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:30:41,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:30:41,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:30:41,824 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:30:41,824 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849930270] [2021-06-07 02:30:41,825 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849930270] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 02:30:41,826 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 02:30:41,826 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-07 02:30:41,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334223882] [2021-06-07 02:30:41,834 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-07 02:30:41,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:30:41,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-07 02:30:41,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-07 02:30:41,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:30:41,847 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:30:41,853 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:30:41,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:30:41,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:30:41,899 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-07 02:30:41,899 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:30:41,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:30:41,903 INFO L82 PathProgramCache]: Analyzing trace with hash -78407129, now seen corresponding path program 1 times [2021-06-07 02:30:41,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:30:41,903 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772602763] [2021-06-07 02:30:41,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:30:41,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:30:42,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:30:42,058 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:30:42,058 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772602763] [2021-06-07 02:30:42,058 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772602763] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:30:42,059 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [816696345] [2021-06-07 02:30:42,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:30:42,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:30:42,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-07 02:30:42,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:30:42,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-07 02:30:42,265 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:30:42,267 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:30:42,267 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:30:42,268 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2021-06-07 02:30:42,276 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:30:42,276 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [816696345] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:30:42,277 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:30:42,277 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-06-07 02:30:42,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711173916] [2021-06-07 02:30:42,278 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-07 02:30:42,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:30:42,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-07 02:30:42,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-06-07 02:30:42,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:30:42,279 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:30:42,279 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) [2021-06-07 02:30:42,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:30:42,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:30:42,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:30:42,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:42,558 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:30:42,558 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:30:42,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:30:42,559 INFO L82 PathProgramCache]: Analyzing trace with hash 896174659, now seen corresponding path program 2 times [2021-06-07 02:30:42,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:30:42,559 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736777872] [2021-06-07 02:30:42,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:30:42,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:30:42,644 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:30:42,645 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:30:42,645 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736777872] [2021-06-07 02:30:42,645 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736777872] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:30:42,645 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1366165480] [2021-06-07 02:30:42,645 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:30:42,679 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 02:30:42,679 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:30:42,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-07 02:30:42,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:30:42,930 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:30:42,931 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 [2021-06-07 02:30:42,937 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:30:42,939 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:30:42,939 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:30:42,940 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-06-07 02:30:42,962 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:30:42,962 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1366165480] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:30:42,962 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:30:42,962 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-06-07 02:30:42,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497618917] [2021-06-07 02:30:42,963 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-07 02:30:42,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:30:42,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-07 02:30:42,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-06-07 02:30:42,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:30:42,964 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:30:42,965 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:30:42,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:30:42,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:42,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:30:43,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:30:43,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:43,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:43,265 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:30:43,266 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:30:43,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:30:43,266 INFO L82 PathProgramCache]: Analyzing trace with hash -1591796100, now seen corresponding path program 1 times [2021-06-07 02:30:43,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:30:43,267 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578310791] [2021-06-07 02:30:43,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:30:43,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:30:43,304 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:30:43,305 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:30:43,305 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578310791] [2021-06-07 02:30:43,305 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578310791] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:30:43,305 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282161628] [2021-06-07 02:30:43,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:30:43,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:30:43,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-07 02:30:43,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:30:43,385 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:30:43,385 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1282161628] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:30:43,385 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:30:43,385 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-06-07 02:30:43,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574489106] [2021-06-07 02:30:43,386 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-07 02:30:43,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:30:43,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-07 02:30:43,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-06-07 02:30:43,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:30:43,387 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:30:43,387 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 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) [2021-06-07 02:30:43,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:30:43,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:43,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:43,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:30:43,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:30:43,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:43,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:43,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:30:43,667 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:30:43,667 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:30:43,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:30:43,667 INFO L82 PathProgramCache]: Analyzing trace with hash 1043439015, now seen corresponding path program 3 times [2021-06-07 02:30:43,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:30:43,668 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236683626] [2021-06-07 02:30:43,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:30:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:30:43,699 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:30:43,700 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:30:43,700 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236683626] [2021-06-07 02:30:43,700 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236683626] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:30:43,700 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [204953507] [2021-06-07 02:30:43,700 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:30:43,729 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-07 02:30:43,730 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:30:43,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-07 02:30:43,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:30:43,766 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:30:43,766 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [204953507] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:30:43,766 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:30:43,767 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-06-07 02:30:43,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32109563] [2021-06-07 02:30:43,767 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-07 02:30:43,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:30:43,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-07 02:30:43,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-07 02:30:43,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:30:43,768 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:30:43,768 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 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) [2021-06-07 02:30:43,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:30:43,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:43,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:43,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:30:43,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:30:43,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:30:43,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:43,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:43,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:30:43,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:30:44,035 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:30:44,036 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:30:44,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:30:44,036 INFO L82 PathProgramCache]: Analyzing trace with hash -1321568360, now seen corresponding path program 2 times [2021-06-07 02:30:44,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:30:44,036 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064223251] [2021-06-07 02:30:44,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:30:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:30:44,130 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:30:44,130 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:30:44,130 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064223251] [2021-06-07 02:30:44,130 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064223251] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:30:44,131 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561434603] [2021-06-07 02:30:44,131 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:30:44,163 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 02:30:44,163 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:30:44,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-07 02:30:44,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:30:44,386 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:30:44,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-06-07 02:30:44,402 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:30:44,407 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:30:44,408 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:30:44,408 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-06-07 02:30:44,416 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:30:44,416 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1561434603] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:30:44,416 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:30:44,416 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-06-07 02:30:44,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081395978] [2021-06-07 02:30:44,417 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-07 02:30:44,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:30:44,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-07 02:30:44,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-06-07 02:30:44,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:30:44,420 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:30:44,420 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 14 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:30:44,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:30:44,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:44,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:44,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:30:44,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:30:44,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:30:44,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:30:44,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:44,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:44,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:30:44,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:30:44,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:30:44,852 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:30:44,853 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:30:44,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:30:44,853 INFO L82 PathProgramCache]: Analyzing trace with hash -1534443012, now seen corresponding path program 3 times [2021-06-07 02:30:44,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:30:44,854 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712037132] [2021-06-07 02:30:44,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:30:44,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:30:44,984 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:30:44,984 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:30:44,984 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712037132] [2021-06-07 02:30:44,985 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712037132] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:30:44,985 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352446362] [2021-06-07 02:30:44,989 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:30:45,029 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-07 02:30:45,030 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:30:45,030 WARN L261 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-07 02:30:45,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:30:45,221 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:30:45,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-06-07 02:30:45,273 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:30:45,274 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:30:45,275 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:30:45,275 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-06-07 02:30:45,281 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:30:45,281 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1352446362] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:30:45,281 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:30:45,282 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-06-07 02:30:45,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122324180] [2021-06-07 02:30:45,282 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-07 02:30:45,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:30:45,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-07 02:30:45,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2021-06-07 02:30:45,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:30:45,283 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:30:45,283 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 16 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:30:45,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:30:45,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:45,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:45,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:30:45,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:30:45,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:30:45,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:30:45,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:30:45,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:45,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:45,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:30:45,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:30:45,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:30:45,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:30:45,696 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-06-07 02:30:45,697 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:30:45,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:30:45,697 INFO L82 PathProgramCache]: Analyzing trace with hash 456377368, now seen corresponding path program 4 times [2021-06-07 02:30:45,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:30:45,698 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690519626] [2021-06-07 02:30:45,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:30:45,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:30:45,831 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:30:45,831 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:30:45,831 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690519626] [2021-06-07 02:30:45,831 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690519626] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:30:45,831 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1009211222] [2021-06-07 02:30:45,832 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:30:45,871 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 02:30:45,871 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:30:45,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 28 conjunts are in the unsatisfiable core [2021-06-07 02:30:45,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:30:46,084 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:30:46,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 27 treesize of output 99 [2021-06-07 02:30:46,250 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:30:46,251 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:30:46,252 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:30:46,252 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-06-07 02:30:46,259 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:30:46,259 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1009211222] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:30:46,259 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:30:46,259 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-06-07 02:30:46,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838095728] [2021-06-07 02:30:46,260 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-07 02:30:46,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:30:46,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-07 02:30:46,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-06-07 02:30:46,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:30:46,262 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:30:46,262 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.588235294117647) internal successors, (27), 16 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:30:46,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:30:46,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:46,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:46,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:30:46,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:30:46,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:30:46,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:30:46,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:30:46,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:30:46,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:46,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:46,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:30:46,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:30:46,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:30:46,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:30:46,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:30:46,724 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-06-07 02:30:46,725 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:30:46,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:30:46,725 INFO L82 PathProgramCache]: Analyzing trace with hash 1954357063, now seen corresponding path program 5 times [2021-06-07 02:30:46,726 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:30:46,726 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211953741] [2021-06-07 02:30:46,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:30:46,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:30:46,799 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:30:46,800 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:30:46,800 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211953741] [2021-06-07 02:30:46,800 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211953741] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:30:46,800 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1014025270] [2021-06-07 02:30:46,800 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:30:46,845 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-07 02:30:46,845 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:30:46,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-07 02:30:46,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:30:46,888 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:30:46,888 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1014025270] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:30:46,888 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:30:46,888 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-06-07 02:30:46,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612795575] [2021-06-07 02:30:46,890 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-07 02:30:46,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:30:46,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-07 02:30:46,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2021-06-07 02:30:46,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:30:46,891 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:30:46,891 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 10 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) [2021-06-07 02:30:46,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:30:46,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:46,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:46,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:30:46,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:30:46,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:30:46,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:30:46,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:30:46,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:30:47,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:30:47,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:47,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:47,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:30:47,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:30:47,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:30:47,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:30:47,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:30:47,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 02:30:47,252 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-06-07 02:30:47,253 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:30:47,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:30:47,253 INFO L82 PathProgramCache]: Analyzing trace with hash 2042267004, now seen corresponding path program 6 times [2021-06-07 02:30:47,253 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:30:47,253 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138959851] [2021-06-07 02:30:47,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:30:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:30:47,313 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:30:47,313 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:30:47,313 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138959851] [2021-06-07 02:30:47,314 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138959851] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:30:47,314 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475710252] [2021-06-07 02:30:47,314 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:30:47,358 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-07 02:30:47,359 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:30:47,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-07 02:30:47,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:30:47,412 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:30:47,412 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [475710252] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:30:47,412 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:30:47,412 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-06-07 02:30:47,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320365725] [2021-06-07 02:30:47,414 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-07 02:30:47,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:30:47,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-07 02:30:47,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-06-07 02:30:47,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:30:47,415 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:30:47,415 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 10 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) [2021-06-07 02:30:47,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:30:47,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:47,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:47,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:30:47,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:30:47,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:30:47,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:30:47,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:30:47,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 02:30:47,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:30:47,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:30:47,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:47,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:47,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:30:47,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:30:47,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:30:47,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:30:47,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:30:47,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 02:30:47,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:30:47,748 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:30:47,749 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:30:47,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:30:47,749 INFO L82 PathProgramCache]: Analyzing trace with hash -422671773, now seen corresponding path program 7 times [2021-06-07 02:30:47,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:30:47,749 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46988447] [2021-06-07 02:30:47,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:30:47,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:30:47,891 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:30:47,891 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:30:47,892 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46988447] [2021-06-07 02:30:47,892 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46988447] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:30:47,892 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1100158437] [2021-06-07 02:30:47,892 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:30:47,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:30:47,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 35 conjunts are in the unsatisfiable core [2021-06-07 02:30:47,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:30:48,247 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:30:48,248 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 [2021-06-07 02:30:48,570 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:30:48,571 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:30:48,571 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:30:48,572 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-06-07 02:30:48,578 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:30:48,579 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1100158437] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:30:48,579 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:30:48,579 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2021-06-07 02:30:48,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543807044] [2021-06-07 02:30:48,579 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-07 02:30:48,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:30:48,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-07 02:30:48,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2021-06-07 02:30:48,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:30:48,580 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:30:48,580 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 22 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:30:48,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:30:48,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:48,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:48,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:30:48,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:30:48,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:30:48,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:30:48,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:30:48,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 02:30:48,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:30:48,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:30:48,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:30:48,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:48,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:48,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:30:48,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:30:48,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:30:48,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:30:48,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:30:48,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 02:30:48,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:30:48,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 02:30:49,148 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable51 [2021-06-07 02:30:49,149 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:30:49,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:30:49,150 INFO L82 PathProgramCache]: Analyzing trace with hash -1096121657, now seen corresponding path program 8 times [2021-06-07 02:30:49,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:30:49,150 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128708027] [2021-06-07 02:30:49,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:30:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:30:49,334 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:30:49,334 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:30:49,334 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128708027] [2021-06-07 02:30:49,334 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128708027] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:30:49,334 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [905767719] [2021-06-07 02:30:49,334 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:30:49,367 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 02:30:49,367 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:30:49,368 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 48 conjunts are in the unsatisfiable core [2021-06-07 02:30:49,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:30:49,746 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:30:49,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 35 treesize of output 193 [2021-06-07 02:30:50,443 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:30:50,445 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:30:50,445 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:30:50,446 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:3 [2021-06-07 02:30:50,462 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:30:50,462 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [905767719] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:30:50,462 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:30:50,462 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-06-07 02:30:50,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001507789] [2021-06-07 02:30:50,463 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-07 02:30:50,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:30:50,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-07 02:30:50,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=540, Unknown=0, NotChecked=0, Total=600 [2021-06-07 02:30:50,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:30:50,464 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:30:50,464 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.32) internal successors, (33), 24 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:30:50,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:30:50,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:50,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:50,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:30:50,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:30:50,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:30:50,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:30:50,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:30:50,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 02:30:50,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:30:50,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 02:30:50,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:30:50,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:30:50,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:50,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:50,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:30:50,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:30:50,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:30:50,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:30:50,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:30:50,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 02:30:50,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:30:50,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 02:30:50,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:30:51,011 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:30:51,011 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:30:51,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:30:51,011 INFO L82 PathProgramCache]: Analyzing trace with hash -498231581, now seen corresponding path program 9 times [2021-06-07 02:30:51,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:30:51,011 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091041582] [2021-06-07 02:30:51,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:30:51,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:30:51,173 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:30:51,173 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:30:51,174 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091041582] [2021-06-07 02:30:51,174 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091041582] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:30:51,174 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1150294789] [2021-06-07 02:30:51,174 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:30:51,208 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-07 02:30:51,208 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:30:51,209 WARN L261 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 42 conjunts are in the unsatisfiable core [2021-06-07 02:30:51,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:30:51,613 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-06-07 02:30:51,613 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:30:51,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-06-07 02:30:52,181 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 191 [2021-06-07 02:30:53,912 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:30:53,914 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:30:53,914 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:30:53,914 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-06-07 02:30:53,921 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:30:53,921 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1150294789] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:30:53,921 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:30:53,921 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-06-07 02:30:53,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607035025] [2021-06-07 02:30:53,921 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-07 02:30:53,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:30:53,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-07 02:30:53,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2021-06-07 02:30:53,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:30:53,922 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:30:53,922 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.4) internal successors, (35), 24 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:30:53,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:30:53,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:53,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:53,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:30:53,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:30:53,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:30:53,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:30:53,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:30:53,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 02:30:53,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:30:53,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 02:30:53,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:30:53,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:30:54,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:30:54,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:54,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:54,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:30:54,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:30:54,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:30:54,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:30:54,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:30:54,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 02:30:54,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:30:54,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 02:30:54,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:30:54,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:30:54,584 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable200 [2021-06-07 02:30:54,585 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:30:54,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:30:54,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1868716580, now seen corresponding path program 10 times [2021-06-07 02:30:54,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:30:54,585 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306999696] [2021-06-07 02:30:54,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:30:54,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:30:54,684 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:30:54,684 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:30:54,684 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306999696] [2021-06-07 02:30:54,684 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306999696] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:30:54,685 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138990361] [2021-06-07 02:30:54,685 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:30:54,711 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 02:30:54,711 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:30:54,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-07 02:30:54,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:30:54,781 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:30:54,781 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [138990361] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:30:54,781 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:30:54,781 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-06-07 02:30:54,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219566218] [2021-06-07 02:30:54,783 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-07 02:30:54,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:30:54,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-07 02:30:54,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2021-06-07 02:30:54,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:30:54,784 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:30:54,784 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:30:54,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:30:54,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:54,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:54,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:30:54,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:30:54,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:30:54,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:30:54,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:30:54,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 02:30:54,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:30:54,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 02:30:54,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:30:54,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:30:54,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:30:55,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:30:55,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:55,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:55,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:30:55,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:30:55,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:30:55,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:30:55,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:30:55,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 02:30:55,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:30:55,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 02:30:55,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:30:55,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:30:55,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 02:30:55,228 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable443,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:30:55,229 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:30:55,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:30:55,230 INFO L82 PathProgramCache]: Analyzing trace with hash 856491591, now seen corresponding path program 11 times [2021-06-07 02:30:55,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:30:55,230 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389084552] [2021-06-07 02:30:55,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:30:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:30:55,325 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:30:55,325 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:30:55,325 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389084552] [2021-06-07 02:30:55,325 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389084552] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:30:55,325 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1652631281] [2021-06-07 02:30:55,325 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:30:55,375 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-07 02:30:55,375 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:30:55,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-07 02:30:55,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:30:55,433 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:30:55,433 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1652631281] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:30:55,433 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:30:55,434 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-06-07 02:30:55,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818182276] [2021-06-07 02:30:55,435 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-07 02:30:55,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:30:55,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-07 02:30:55,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-06-07 02:30:55,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:30:55,435 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:30:55,435 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:30:55,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:30:55,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:55,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:55,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:30:55,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:30:55,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:30:55,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:30:55,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:30:55,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 02:30:55,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:30:55,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 02:30:55,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:30:55,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:30:55,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 02:30:55,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:30:55,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:30:55,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:55,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:30:55,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:30:55,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:30:55,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:30:55,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:30:55,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:30:55,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 02:30:55,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:30:55,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 02:30:55,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:30:55,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:30:55,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 02:30:55,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:30:55,802 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable444 [2021-06-07 02:30:55,803 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:30:55,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:30:55,803 INFO L82 PathProgramCache]: Analyzing trace with hash 1472996088, now seen corresponding path program 12 times [2021-06-07 02:30:55,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:30:55,803 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241999747] [2021-06-07 02:30:55,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:30:55,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:30:55,988 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:30:55,988 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:30:55,988 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241999747] [2021-06-07 02:30:55,988 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241999747] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:30:55,988 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615954598] [2021-06-07 02:30:55,988 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:30:56,017 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-06-07 02:30:56,018 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:30:56,018 WARN L261 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 47 conjunts are in the unsatisfiable core [2021-06-07 02:30:56,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:30:56,605 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-06-07 02:30:56,605 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:30:56,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 43 treesize of output 319 [2021-06-07 02:30:57,720 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 231 [2021-06-07 02:30:57,838 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 269 [2021-06-07 02:30:58,800 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 214 [2021-06-07 02:30:58,946 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 247 [2021-06-07 02:30:59,257 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-06-07 02:30:59,553 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-06-07 02:30:59,922 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 387 [2021-06-07 02:31:00,377 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 257 [2021-06-07 02:31:01,103 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-06-07 02:31:01,230 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-06-07 02:31:01,469 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 282 [2021-06-07 02:31:02,512 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:31:02,514 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:31:02,514 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:31:02,514 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-06-07 02:31:02,525 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:31:02,525 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615954598] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:31:02,525 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:31:02,525 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-06-07 02:31:02,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529433371] [2021-06-07 02:31:02,526 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-07 02:31:02,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:31:02,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-07 02:31:02,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=854, Unknown=0, NotChecked=0, Total=930 [2021-06-07 02:31:02,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:31:02,528 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:31:02,528 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 30 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:31:02,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:31:02,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:31:02,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:31:02,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:31:02,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:31:02,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:31:02,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:31:02,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:31:02,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 02:31:02,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:31:02,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 02:31:02,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:31:02,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:31:02,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 02:31:02,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:31:02,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:31:03,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:31:03,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:31:03,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:31:03,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:31:03,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:31:03,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:31:03,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:31:03,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:31:03,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 02:31:03,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:31:03,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 02:31:03,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:31:03,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:31:03,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 02:31:03,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:31:03,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 02:31:03,360 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable445,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:31:03,361 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:31:03,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:31:03,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1986873692, now seen corresponding path program 13 times [2021-06-07 02:31:03,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:31:03,361 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600222815] [2021-06-07 02:31:03,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:31:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:31:03,620 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:31:03,620 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:31:03,620 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600222815] [2021-06-07 02:31:03,620 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600222815] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:31:03,620 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [297239971] [2021-06-07 02:31:03,620 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 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 [2021-06-07 02:31:03,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:31:03,651 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 64 conjunts are in the unsatisfiable core [2021-06-07 02:31:03,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:31:04,269 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-06-07 02:31:04,270 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:31:04,270 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 [2021-06-07 02:31:05,359 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 265 [2021-06-07 02:31:05,535 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-06-07 02:31:05,715 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-06-07 02:31:05,912 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 298 [2021-06-07 02:31:06,296 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 419 [2021-06-07 02:31:06,504 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 367 [2021-06-07 02:31:06,752 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 330 [2021-06-07 02:31:06,947 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 298 [2021-06-07 02:31:07,057 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 235 [2021-06-07 02:31:07,396 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 261 [2021-06-07 02:31:07,505 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 218 [2021-06-07 02:31:08,161 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 358 [2021-06-07 02:31:08,404 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 329 [2021-06-07 02:31:08,518 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 245 [2021-06-07 02:31:09,684 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 356 [2021-06-07 02:31:10,147 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 494 [2021-06-07 02:31:10,354 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 304 [2021-06-07 02:31:11,224 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 239 [2021-06-07 02:31:11,758 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 245 [2021-06-07 02:31:12,200 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 207 [2021-06-07 02:31:12,381 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 219 [2021-06-07 02:31:12,659 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 342 [2021-06-07 02:31:13,441 WARN L205 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-06-07 02:31:14,242 WARN L205 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-06-07 02:31:15,104 WARN L205 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 1050 DAG size of output: 663 [2021-06-07 02:31:16,123 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 665 DAG size of output: 835 [2021-06-07 02:31:16,307 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 361 [2021-06-07 02:31:17,148 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 271 [2021-06-07 02:31:17,502 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 538 [2021-06-07 02:31:18,062 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 342 [2021-06-07 02:31:18,557 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-06-07 02:31:19,057 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-06-07 02:31:19,613 WARN L205 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 465 [2021-06-07 02:31:20,185 WARN L205 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 616 [2021-06-07 02:31:20,440 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 373 [2021-06-07 02:31:20,644 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 375 [2021-06-07 02:31:20,862 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 343 [2021-06-07 02:31:21,638 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 277 [2021-06-07 02:31:22,279 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 380 [2021-06-07 02:31:22,647 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 437 [2021-06-07 02:31:23,471 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 197 [2021-06-07 02:31:23,948 WARN L205 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 899 DAG size of output: 562 [2021-06-07 02:31:24,474 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 436 [2021-06-07 02:31:25,586 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 254 [2021-06-07 02:31:26,559 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 422 [2021-06-07 02:31:27,719 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 819 DAG size of output: 545 [2021-06-07 02:31:28,784 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-06-07 02:31:29,889 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-06-07 02:31:31,032 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 1554 DAG size of output: 954 [2021-06-07 02:31:31,192 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 611 [2021-06-07 02:31:31,537 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 447 [2021-06-07 02:31:32,263 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 294 [2021-06-07 02:31:32,431 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-06-07 02:31:32,607 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-06-07 02:31:32,780 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 634 DAG size of output: 338 [2021-06-07 02:31:32,954 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 321 [2021-06-07 02:31:33,349 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:31:33,350 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:31:33,350 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:31:33,350 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-06-07 02:31:33,359 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:31:33,359 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [297239971] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:31:33,359 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:31:33,359 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-06-07 02:31:33,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507688561] [2021-06-07 02:31:33,360 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-06-07 02:31:33,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:31:33,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-06-07 02:31:33,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=976, Unknown=0, NotChecked=0, Total=1056 [2021-06-07 02:31:33,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:31:33,361 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:31:33,361 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 32 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:31:33,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:31:33,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:31:33,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:31:33,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:31:33,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:31:33,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:31:33,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:31:33,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:31:33,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 02:31:33,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:31:33,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 02:31:33,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:31:33,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:31:33,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-07 02:31:33,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:31:33,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 02:31:33,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:31:33,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:31:33,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:31:33,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:31:33,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 02:31:33,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:31:33,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:31:33,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:31:33,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:31:33,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 02:31:33,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:31:33,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 02:31:33,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:31:33,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 02:31:33,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-07 02:31:33,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:31:33,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 02:31:33,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 02:31:34,189 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable906,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:31:34,189 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:31:34,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:31:34,190 INFO L82 PathProgramCache]: Analyzing trace with hash 737210232, now seen corresponding path program 14 times [2021-06-07 02:31:34,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:31:34,190 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159334985] [2021-06-07 02:31:34,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:31:34,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:31:34,429 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:31:34,429 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:31:34,429 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159334985] [2021-06-07 02:31:34,429 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159334985] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:31:34,429 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044025175] [2021-06-07 02:31:34,429 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:31:34,466 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 02:31:34,466 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:31:34,467 WARN L261 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 52 conjunts are in the unsatisfiable core [2021-06-07 02:31:34,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:31:35,156 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-06-07 02:31:35,156 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:31:35,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 21 new quantified variables, introduced 55 case distinctions, treesize of input 51 treesize of output 477 [2021-06-07 02:31:36,712 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 351 [2021-06-07 02:31:36,876 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 372 [2021-06-07 02:31:37,090 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 408 [2021-06-07 02:31:38,510 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 389 [2021-06-07 02:31:38,701 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 409 [2021-06-07 02:31:38,946 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 445 [2021-06-07 02:31:39,485 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 727 [2021-06-07 02:31:40,048 WARN L205 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 1110 DAG size of output: 728 [2021-06-07 02:31:40,707 WARN L205 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 753 [2021-06-07 02:31:41,486 WARN L205 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 1155 DAG size of output: 775 [2021-06-07 02:31:42,380 WARN L205 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-06-07 02:31:43,262 WARN L205 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-06-07 02:31:44,305 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 1192 DAG size of output: 813 [2021-06-07 02:31:46,576 WARN L205 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 815 DAG size of output: 982 [2021-06-07 02:31:48,265 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 786 DAG size of output: 884 [2021-06-07 02:31:49,306 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 765 DAG size of output: 798 [2021-06-07 02:31:50,923 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 754 DAG size of output: 1042 [2021-06-07 02:31:51,789 WARN L205 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 844 [2021-06-07 02:31:52,164 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 317 [2021-06-07 02:31:53,222 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 179 [2021-06-07 02:31:53,333 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 256 [2021-06-07 02:31:53,475 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-06-07 02:31:54,499 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 230 [2021-06-07 02:31:54,686 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 252 [2021-06-07 02:31:54,886 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 259 [2021-06-07 02:31:55,717 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 199 [2021-06-07 02:31:56,046 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 331 [2021-06-07 02:31:56,447 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 350 [2021-06-07 02:31:57,587 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 213 [2021-06-07 02:31:57,760 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 217 [2021-06-07 02:31:58,293 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 246 [2021-06-07 02:31:58,790 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 763 DAG size of output: 331 [2021-06-07 02:31:58,956 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 262 [2021-06-07 02:31:59,170 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 324 [2021-06-07 02:31:59,330 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 244 [2021-06-07 02:31:59,974 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 257 [2021-06-07 02:32:00,263 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 218 [2021-06-07 02:32:00,388 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 210 [2021-06-07 02:32:00,554 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 228 [2021-06-07 02:32:00,714 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 241 [2021-06-07 02:32:01,328 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 210 [2021-06-07 02:32:02,133 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 238 [2021-06-07 02:32:02,364 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 282 [2021-06-07 02:32:02,602 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 300 [2021-06-07 02:32:02,936 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 296 [2021-06-07 02:32:04,285 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 216 [2021-06-07 02:32:04,442 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 235 [2021-06-07 02:32:04,917 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 834 DAG size of output: 313 [2021-06-07 02:32:05,959 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 1222 DAG size of output: 455 [2021-06-07 02:32:07,439 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1424 DAG size of output: 577 [2021-06-07 02:32:07,605 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 277 [2021-06-07 02:32:07,805 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 283 [2021-06-07 02:32:07,963 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 273 [2021-06-07 02:32:08,785 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 239 [2021-06-07 02:32:08,953 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 285 [2021-06-07 02:32:09,303 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 219 [2021-06-07 02:32:10,242 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 247 [2021-06-07 02:32:10,486 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 311 [2021-06-07 02:32:11,626 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 186 [2021-06-07 02:32:11,822 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 201 [2021-06-07 02:32:12,307 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 400 [2021-06-07 02:32:12,931 WARN L205 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 483 [2021-06-07 02:32:13,664 WARN L205 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 720 DAG size of output: 507 [2021-06-07 02:32:15,022 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 251 [2021-06-07 02:32:15,181 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 272 [2021-06-07 02:32:15,419 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 285 [2021-06-07 02:32:15,693 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 288 [2021-06-07 02:32:16,423 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 226 [2021-06-07 02:32:16,870 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 208 [2021-06-07 02:32:17,118 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 282 [2021-06-07 02:32:17,661 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 216 [2021-06-07 02:32:18,006 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 311 [2021-06-07 02:32:18,377 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 354 [2021-06-07 02:32:19,283 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 175 [2021-06-07 02:32:19,497 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 217 [2021-06-07 02:32:19,658 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 217 [2021-06-07 02:32:20,288 WARN L205 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 451 [2021-06-07 02:32:21,064 WARN L205 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 723 DAG size of output: 463 [2021-06-07 02:32:22,441 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1029 DAG size of output: 672 [2021-06-07 02:32:24,545 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 1517 DAG size of output: 968 [2021-06-07 02:32:25,508 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 286 [2021-06-07 02:32:25,671 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 287 [2021-06-07 02:32:26,301 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 312 [2021-06-07 02:32:27,002 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 325 [2021-06-07 02:32:27,362 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 328 [2021-06-07 02:32:27,510 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-06-07 02:32:28,478 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 288 [2021-06-07 02:32:29,321 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 171 [2021-06-07 02:32:29,522 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2021-06-07 02:32:29,949 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 373 [2021-06-07 02:32:30,992 WARN L205 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 452 [2021-06-07 02:32:31,574 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 211 [2021-06-07 02:32:32,032 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 235 [2021-06-07 02:32:32,277 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 297 [2021-06-07 02:32:32,815 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 227 [2021-06-07 02:32:33,248 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 393 [2021-06-07 02:32:33,691 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 397 [2021-06-07 02:32:34,470 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 222 [2021-06-07 02:32:34,814 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 264 [2021-06-07 02:32:35,647 WARN L205 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 541 [2021-06-07 02:32:36,668 WARN L205 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 680 DAG size of output: 566 [2021-06-07 02:32:38,273 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 1012 DAG size of output: 839 [2021-06-07 02:32:40,654 WARN L205 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 1410 DAG size of output: 1099 [2021-06-07 02:32:45,633 WARN L205 SmtUtils]: Spent 4.97 s on a formula simplification. DAG size of input: 2226 DAG size of output: 1704 [2021-06-07 02:32:52,331 WARN L205 SmtUtils]: Spent 6.69 s on a formula simplification. DAG size of input: 3213 DAG size of output: 1793 [2021-06-07 02:33:00,585 WARN L205 SmtUtils]: Spent 8.24 s on a formula simplification. DAG size of input: 3741 DAG size of output: 2301 [2021-06-07 02:33:10,274 WARN L205 SmtUtils]: Spent 9.67 s on a formula simplification. DAG size of input: 4093 DAG size of output: 2511 [2021-06-07 02:33:11,550 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 739 DAG size of output: 1024 [2021-06-07 02:33:12,375 WARN L205 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 826 [2021-06-07 02:33:12,540 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 281 [2021-06-07 02:33:12,776 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 294 [2021-06-07 02:33:14,002 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 243 [2021-06-07 02:33:14,486 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 284 [2021-06-07 02:33:15,119 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-06-07 02:33:15,242 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-06-07 02:33:16,160 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 243 [2021-06-07 02:33:16,404 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-06-07 02:33:16,654 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-06-07 02:33:17,097 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 428 [2021-06-07 02:33:17,854 WARN L205 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 566 [2021-06-07 02:33:18,578 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 156 [2021-06-07 02:33:18,767 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2021-06-07 02:33:19,627 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 239 [2021-06-07 02:33:19,871 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 291 [2021-06-07 02:33:20,323 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 392 [2021-06-07 02:33:21,630 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 859 DAG size of output: 794 [2021-06-07 02:33:23,188 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 1020 DAG size of output: 881 [2021-06-07 02:33:23,474 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 235 [2021-06-07 02:33:23,620 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 297 [2021-06-07 02:33:23,747 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 236 [2021-06-07 02:33:23,976 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 244 [2021-06-07 02:33:24,617 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 207 [2021-06-07 02:33:24,896 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 334 [2021-06-07 02:33:25,366 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 209 [2021-06-07 02:33:25,474 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 226 [2021-06-07 02:33:26,013 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 310 [2021-06-07 02:33:26,589 WARN L205 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 446 [2021-06-07 02:33:26,772 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 195 [2021-06-07 02:33:27,500 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 256 [2021-06-07 02:33:27,879 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 308 [2021-06-07 02:33:28,705 WARN L205 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 508 [2021-06-07 02:33:29,362 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 156 [2021-06-07 02:33:29,522 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 173 [2021-06-07 02:33:29,766 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 215 [2021-06-07 02:33:31,003 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 262 [2021-06-07 02:33:31,556 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 284 [2021-06-07 02:33:31,916 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 348 [2021-06-07 02:33:33,150 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 994 DAG size of output: 708 [2021-06-07 02:33:34,609 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 1148 DAG size of output: 774 [2021-06-07 02:33:37,960 WARN L205 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 1747 DAG size of output: 1412 [2021-06-07 02:33:38,092 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 253 [2021-06-07 02:33:38,240 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 259 [2021-06-07 02:33:38,351 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 256 [2021-06-07 02:33:39,212 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 190 [2021-06-07 02:33:40,087 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 203 [2021-06-07 02:33:40,283 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 249 [2021-06-07 02:33:40,487 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 321 [2021-06-07 02:33:40,665 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 260 [2021-06-07 02:33:40,981 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 192 [2021-06-07 02:33:41,344 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 249 [2021-06-07 02:33:41,524 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 271 [2021-06-07 02:33:41,797 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 251 [2021-06-07 02:33:42,253 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 251 [2021-06-07 02:33:42,444 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 274 [2021-06-07 02:33:42,701 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 321 [2021-06-07 02:33:42,837 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 238 [2021-06-07 02:33:43,447 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 253 [2021-06-07 02:33:43,829 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 213 [2021-06-07 02:33:44,012 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 242 [2021-06-07 02:33:44,284 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 265 [2021-06-07 02:33:44,691 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 330 [2021-06-07 02:33:45,300 WARN L205 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 911 DAG size of output: 360 [2021-06-07 02:33:45,435 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 245 [2021-06-07 02:33:46,387 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 225 [2021-06-07 02:33:47,333 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 261 [2021-06-07 02:33:47,552 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-06-07 02:33:47,761 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-06-07 02:33:48,109 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 357 [2021-06-07 02:33:48,611 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 385 [2021-06-07 02:33:49,598 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 218 [2021-06-07 02:33:49,850 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 242 [2021-06-07 02:33:50,338 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 743 DAG size of output: 350 [2021-06-07 02:33:51,626 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1315 DAG size of output: 518 [2021-06-07 02:33:56,992 WARN L205 SmtUtils]: Spent 5.36 s on a formula simplification. DAG size of input: 2765 DAG size of output: 1722 [2021-06-07 02:34:02,897 WARN L205 SmtUtils]: Spent 5.89 s on a formula simplification. DAG size of input: 2888 DAG size of output: 1777 [2021-06-07 02:34:10,389 WARN L205 SmtUtils]: Spent 7.47 s on a formula simplification. DAG size of input: 3423 DAG size of output: 2286 [2021-06-07 02:34:19,184 WARN L205 SmtUtils]: Spent 8.78 s on a formula simplification. DAG size of input: 3768 DAG size of output: 2589 [2021-06-07 02:34:20,138 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 242 [2021-06-07 02:34:20,997 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 227 [2021-06-07 02:34:21,168 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 257 [2021-06-07 02:34:22,294 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2021-06-07 02:34:22,445 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 268 [2021-06-07 02:34:22,628 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 266 [2021-06-07 02:34:22,909 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 348 [2021-06-07 02:34:23,784 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 411 [2021-06-07 02:34:24,298 WARN L205 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 475 [2021-06-07 02:34:25,023 WARN L205 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 486 [2021-06-07 02:34:25,865 WARN L205 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 495 [2021-06-07 02:34:27,407 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 223 [2021-06-07 02:34:27,537 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 237 [2021-06-07 02:34:27,689 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 235 [2021-06-07 02:34:27,919 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 303 [2021-06-07 02:34:28,732 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 350 [2021-06-07 02:34:29,501 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 194 [2021-06-07 02:34:29,889 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 386 [2021-06-07 02:34:30,442 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 399 [2021-06-07 02:34:32,008 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 1065 DAG size of output: 745 [2021-06-07 02:34:33,681 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 1077 DAG size of output: 744 [2021-06-07 02:34:35,623 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 1098 DAG size of output: 750 [2021-06-07 02:34:47,746 WARN L205 SmtUtils]: Spent 12.11 s on a formula simplification. DAG size of input: 4707 DAG size of output: 3202 [2021-06-07 02:35:11,722 WARN L205 SmtUtils]: Spent 23.95 s on a formula simplification. DAG size of input: 6894 DAG size of output: 4324 [2021-06-07 02:35:40,142 WARN L205 SmtUtils]: Spent 28.39 s on a formula simplification. DAG size of input: 7322 DAG size of output: 4477 [2021-06-07 02:35:41,449 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 317 [2021-06-07 02:35:41,610 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 343 [2021-06-07 02:35:43,159 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 378 [2021-06-07 02:35:43,366 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 404 [2021-06-07 02:35:43,790 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 627 [2021-06-07 02:35:44,309 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 654 [2021-06-07 02:36:14,675 WARN L205 SmtUtils]: Spent 30.35 s on a formula simplification. DAG size of input: 8002 DAG size of output: 4954 [2021-06-07 02:36:48,649 WARN L205 SmtUtils]: Spent 33.94 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-06-07 02:37:22,817 WARN L205 SmtUtils]: Spent 34.13 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-06-07 02:38:00,204 WARN L205 SmtUtils]: Spent 37.36 s on a formula simplification. DAG size of input: 8440 DAG size of output: 5295 [2021-06-07 02:38:56,645 WARN L205 SmtUtils]: Spent 56.41 s on a formula simplification. DAG size of input: 5297 DAG size of output: 7538 [2021-06-07 02:39:53,135 WARN L205 SmtUtils]: Spent 56.45 s on a formula simplification. DAG size of input: 4323 DAG size of output: 6374 [2021-06-07 02:40:55,014 WARN L205 SmtUtils]: Spent 1.03 m on a formula simplification. DAG size of input: 3823 DAG size of output: 4222 [2021-06-07 02:41:02,524 WARN L205 SmtUtils]: Spent 7.49 s on a formula simplification. DAG size of input: 1942 DAG size of output: 1778 [2021-06-07 02:41:15,764 WARN L205 SmtUtils]: Spent 13.23 s on a formula simplification. DAG size of input: 1680 DAG size of output: 1578 [2021-06-07 02:41:16,030 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 1450 [2021-06-07 02:41:24,639 WARN L205 SmtUtils]: Spent 8.60 s on a formula simplification. DAG size of input: 1347 DAG size of output: 1954 [2021-06-07 02:41:25,151 WARN L205 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 1150 DAG size of output: 1150 [2021-06-07 02:41:25,530 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 1034 DAG size of output: 1034 [2021-06-07 02:41:30,274 WARN L205 SmtUtils]: Spent 4.21 s on a formula simplification. DAG size of input: 981 DAG size of output: 1395 [2021-06-07 02:41:30,387 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 872 [2021-06-07 02:41:30,496 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 595 [2021-06-07 02:41:31,553 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 272 [2021-06-07 02:41:32,028 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 331 [2021-06-07 02:41:32,322 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 377 [2021-06-07 02:41:33,401 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 472 [2021-06-07 02:41:33,511 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 535 [2021-06-07 02:41:34,002 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 187 [2021-06-07 02:41:34,360 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 266 [2021-06-07 02:41:35,441 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 289 [2021-06-07 02:41:35,704 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 337 [2021-06-07 02:41:36,073 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 399 [2021-06-07 02:41:36,553 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 752 DAG size of output: 473 [2021-06-07 02:41:37,643 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 1245 DAG size of output: 754 [2021-06-07 02:41:37,854 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 778 [2021-06-07 02:41:37,961 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 509 [2021-06-07 02:41:39,145 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 244 [2021-06-07 02:41:39,305 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 279 [2021-06-07 02:41:39,817 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 355 [2021-06-07 02:41:40,166 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 624 DAG size of output: 427 [2021-06-07 02:41:40,277 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 556 [2021-06-07 02:41:41,895 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 216 [2021-06-07 02:41:42,352 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 294 [2021-06-07 02:41:42,627 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 361 [2021-06-07 02:41:43,007 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 710 DAG size of output: 434 [2021-06-07 02:41:43,873 WARN L205 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 1001 DAG size of output: 614 [2021-06-07 02:41:46,033 WARN L205 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 1979 DAG size of output: 1146 [2021-06-07 02:41:48,657 WARN L205 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 2136 DAG size of output: 1241 [2021-06-07 02:41:51,801 WARN L205 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 2252 DAG size of output: 1326 [2021-06-07 02:41:57,197 WARN L205 SmtUtils]: Spent 5.37 s on a formula simplification. DAG size of input: 3080 DAG size of output: 1978 [2021-06-07 02:41:57,584 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 294 [2021-06-07 02:41:57,786 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 228 [2021-06-07 02:41:58,440 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 217 [2021-06-07 02:41:59,136 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 227 [2021-06-07 02:41:59,391 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 301 [2021-06-07 02:41:59,753 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 370 [2021-06-07 02:42:05,645 WARN L205 SmtUtils]: Spent 5.89 s on a formula simplification. DAG size of input: 3478 DAG size of output: 2225 [2021-06-07 02:42:06,254 WARN L205 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 431 [2021-06-07 02:42:06,859 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 225 [2021-06-07 02:42:07,044 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 243 [2021-06-07 02:42:07,211 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 237 [2021-06-07 02:42:07,430 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 247 [2021-06-07 02:42:07,537 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 217 [2021-06-07 02:42:08,250 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 241 [2021-06-07 02:42:08,404 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 266 [2021-06-07 02:42:09,201 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 310 [2021-06-07 02:42:09,396 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 316 [2021-06-07 02:42:09,759 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 411 [2021-06-07 02:42:10,394 WARN L205 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 543 [2021-06-07 02:42:11,215 WARN L205 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 909 DAG size of output: 604 [2021-06-07 02:42:18,592 WARN L205 SmtUtils]: Spent 7.37 s on a formula simplification. DAG size of input: 4146 DAG size of output: 2641 [2021-06-07 02:42:27,200 WARN L205 SmtUtils]: Spent 8.59 s on a formula simplification. DAG size of input: 4264 DAG size of output: 2757 [2021-06-07 02:42:44,578 WARN L205 SmtUtils]: Spent 17.35 s on a formula simplification. DAG size of input: 6395 DAG size of output: 4339 [2021-06-07 02:43:10,518 WARN L205 SmtUtils]: Spent 25.90 s on a formula simplification. DAG size of input: 4239 DAG size of output: 3919 [2021-06-07 02:44:21,937 WARN L205 SmtUtils]: Spent 1.19 m on a formula simplification. DAG size of input: 3721 DAG size of output: 4036 [2021-06-07 02:44:39,964 WARN L205 SmtUtils]: Spent 18.00 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1732 [2021-06-07 02:44:40,385 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 306 [2021-06-07 02:44:40,609 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 236 [2021-06-07 02:44:41,718 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 278 [2021-06-07 02:44:41,961 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 322 [2021-06-07 02:44:42,104 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 201 [2021-06-07 02:44:42,924 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 254 [2021-06-07 02:44:43,144 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 271 [2021-06-07 02:44:43,435 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 290 [2021-06-07 02:44:44,234 WARN L205 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 477 [2021-06-07 02:44:44,932 WARN L205 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 1605 DAG size of output: 1605 [2021-06-07 02:45:02,414 WARN L205 SmtUtils]: Spent 17.47 s on a formula simplification. DAG size of input: 1500 DAG size of output: 2098 [2021-06-07 02:45:10,096 WARN L205 SmtUtils]: Spent 7.67 s on a formula simplification. DAG size of input: 1251 DAG size of output: 1697 Received shutdown request... [2021-06-07 02:45:15,542 WARN L205 SmtUtils]: Spent 5.44 s on a formula simplification. DAG size of input: 1076 DAG size of output: 1519 [2021-06-07 02:45:15,783 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2426 [2021-06-07 02:45:15,784 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-07 02:45:15,791 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-07 02:45:15,792 WARN L196 ceAbstractionStarter]: Timeout [2021-06-07 02:45:15,792 INFO L202 PluginConnector]: Adding new model unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.06 02:45:15 BasicIcfg [2021-06-07 02:45:15,792 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-07 02:45:15,793 INFO L168 Benchmark]: Toolchain (without parser) took 874808.13 ms. Allocated memory was 312.5 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 292.1 MB in the beginning and 833.8 MB in the end (delta: -541.8 MB). Peak memory consumption was 875.7 MB. Max. memory is 16.0 GB. [2021-06-07 02:45:15,793 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 312.5 MB. Free memory is still 293.2 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 02:45:15,793 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.23 ms. Allocated memory is still 312.5 MB. Free memory was 292.0 MB in the beginning and 290.5 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 02:45:15,793 INFO L168 Benchmark]: Boogie Preprocessor took 15.97 ms. Allocated memory is still 312.5 MB. Free memory was 290.5 MB in the beginning and 289.6 MB in the end (delta: 903.3 kB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-06-07 02:45:15,793 INFO L168 Benchmark]: RCFGBuilder took 399.02 ms. Allocated memory is still 312.5 MB. Free memory was 289.5 MB in the beginning and 271.7 MB in the end (delta: 17.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-06-07 02:45:15,793 INFO L168 Benchmark]: TraceAbstraction took 874357.56 ms. Allocated memory was 312.5 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 271.2 MB in the beginning and 833.8 MB in the end (delta: -562.6 MB). Peak memory consumption was 854.7 MB. Max. memory is 16.0 GB. [2021-06-07 02:45:15,793 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 0.15 ms. Allocated memory is still 312.5 MB. Free memory is still 293.2 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 31.23 ms. Allocated memory is still 312.5 MB. Free memory was 292.0 MB in the beginning and 290.5 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 15.97 ms. Allocated memory is still 312.5 MB. Free memory was 290.5 MB in the beginning and 289.6 MB in the end (delta: 903.3 kB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 399.02 ms. Allocated memory is still 312.5 MB. Free memory was 289.5 MB in the beginning and 271.7 MB in the end (delta: 17.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 874357.56 ms. Allocated memory was 312.5 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 271.2 MB in the beginning and 833.8 MB in the end (delta: -562.6 MB). Peak memory consumption was 854.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1143, positive: 789, positive conditional: 789, positive unconditional: 0, negative: 354, negative conditional: 354, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 789, positive: 789, positive conditional: 789, 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: 789, positive: 789, positive conditional: 0, positive unconditional: 789, 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: 5, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 5, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 789, positive: 784, positive conditional: 0, positive unconditional: 784, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 5, Positive cache size: 5, Positive conditional cache size: 0, Positive unconditional cache size: 5, 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): 5, Positive cache size: 5, Positive conditional cache size: 0, Positive unconditional cache size: 5, 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): 5, Positive cache size: 5, Positive conditional cache size: 0, Positive unconditional cache size: 5, 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): 5, Positive cache size: 5, Positive conditional cache size: 0, Positive unconditional cache size: 5, 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): 5, Positive cache size: 5, Positive conditional cache size: 0, Positive unconditional cache size: 5, 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): 5, Positive cache size: 5, Positive conditional cache size: 0, Positive unconditional cache size: 5, 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): 5, Positive cache size: 5, Positive conditional cache size: 0, Positive unconditional cache size: 5, 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): 5, Positive cache size: 5, Positive conditional cache size: 0, Positive unconditional cache size: 5, 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): 5, Positive cache size: 5, Positive conditional cache size: 0, Positive unconditional cache size: 5, 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): 5, Positive cache size: 5, Positive conditional cache size: 0, Positive unconditional cache size: 5, 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): 5, Positive cache size: 5, Positive conditional cache size: 0, Positive unconditional cache size: 5, 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): 5, Positive cache size: 5, Positive conditional cache size: 0, Positive unconditional cache size: 5, 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): 5, Positive cache size: 5, Positive conditional cache size: 0, Positive unconditional cache size: 5, 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): 5, Positive cache size: 5, Positive conditional cache size: 0, Positive unconditional cache size: 5, 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): 5, Positive cache size: 5, Positive conditional cache size: 0, Positive unconditional cache size: 5, 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): 5, Positive cache size: 5, Positive conditional cache size: 0, Positive unconditional cache size: 5, 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): 5, Positive cache size: 5, Positive conditional cache size: 0, Positive unconditional cache size: 5, 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): 5, Positive cache size: 5, Positive conditional cache size: 0, Positive unconditional cache size: 5, 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: 354 - TimeoutResultAtElement [Line: 61]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 25 with TraceHistMax 11,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, 22 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 874238.0ms, OverallIterations: 18, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.8ms, PartialOrderReductionTime: 4027.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 240, 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: 74.9ms SsaConstructionTime, 370.0ms SatisfiabilityAnalysisTime, 44170.4ms InterpolantComputationTime, 554 NumberOfCodeBlocks, 554 NumberOfCodeBlocksAsserted, 60 NumberOfCheckSat, 521 ConstructedInterpolants, 0 QuantifiedInterpolants, 5433 SizeOfPredicates, 31 NumberOfNonLiveVariables, 1056 ConjunctsInSsa, 405 ConjunctsInUnsatCore, 33 InterpolantComputations, 1 PerfectInterpolantSequences, 113/768 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