/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-Sleep-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 08:06:54,153 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 08:06:54,158 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 08:06:54,200 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-12 08:06:54,289 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-Sleep-NoLbe-Delay.epf [2021-03-12 08:06:54,333 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 08:06:54,333 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 08:06:54,334 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 08:06:54,334 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 08:06:54,338 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 08:06:54,339 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 08:06:54,339 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 08:06:54,339 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 08:06:54,339 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 08:06:54,339 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 08:06:54,340 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 08:06:54,341 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 08:06:54,341 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 08:06:54,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 08:06:54,341 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 08:06:54,341 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 08:06:54,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 08:06:54,341 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 08:06:54,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 08:06:54,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 08:06:54,342 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 08:06:54,342 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 08:06:54,342 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 08:06:54,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 08:06:54,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 08:06:54,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 08:06:54,343 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 08:06:54,343 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 08:06:54,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 08:06:54,344 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-12 08:06:54,344 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 08:06:54,344 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 08:06:54,344 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-12 08:06:54,344 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 08:06:54,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 08:06:54,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 08:06:54,804 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 08:06:54,806 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-12 08:06:54,809 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-12 08:06:54,810 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-2.wvr.bpl [2021-03-12 08:06:54,811 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-2.wvr.bpl' [2021-03-12 08:06:54,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 08:06:54,864 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-12 08:06:54,867 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 08:06:54,867 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 08:06:54,868 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 08:06:54,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 08:06:54" (1/1) ... [2021-03-12 08:06:54,890 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 08:06:54" (1/1) ... [2021-03-12 08:06:54,898 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 08:06:54,900 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 08:06:54,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 08:06:54,901 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 08:06:54,909 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 08:06:54" (1/1) ... [2021-03-12 08:06:54,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 08:06:54" (1/1) ... [2021-03-12 08:06:54,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 08:06:54" (1/1) ... [2021-03-12 08:06:54,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 08:06:54" (1/1) ... [2021-03-12 08:06:54,916 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 08:06:54" (1/1) ... [2021-03-12 08:06:54,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 08:06:54" (1/1) ... [2021-03-12 08:06:54,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 08:06:54" (1/1) ... [2021-03-12 08:06:54,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 08:06:54,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 08:06:54,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 08:06:54,926 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 08:06:54,928 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 08:06:54" (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 [2021-03-12 08:06:55,007 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-12 08:06:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-12 08:06:55,008 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-12 08:06:55,008 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-12 08:06:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-12 08:06:55,008 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-12 08:06:55,009 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-12 08:06:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 08:06:55,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 08:06:55,012 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-12 08:06:55,410 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 08:06:55,411 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-03-12 08:06:55,412 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-03-12 08:06:55,413 INFO L202 PluginConnector]: Adding new model unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 08:06:55 BoogieIcfgContainer [2021-03-12 08:06:55,413 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 08:06:55,415 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 08:06:55,415 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 08:06:55,417 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 08:06:55,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 08:06:54" (1/2) ... [2021-03-12 08:06:55,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f65e134 and model type unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 08:06:55, skipping insertion in model container [2021-03-12 08:06:55,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 08:06:55" (2/2) ... [2021-03-12 08:06:55,420 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-2.wvr.bpl [2021-03-12 08:06:55,432 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 08:06:55,433 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 08:06:55,437 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 08:06:55,438 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 08:06:55,515 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-03-12 08:06:55,548 INFO L253 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 [2021-03-12 08:06:55,620 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 08:06:55,621 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 08:06:55,621 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 08:06:55,621 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 08:06:55,621 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 08:06:55,621 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 08:06:55,621 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 08:06:55,621 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 08:06:55,665 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 08:06:55,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 08:06:55,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1485035801, now seen corresponding path program 1 times [2021-03-12 08:06:55,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 08:06:55,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16370051] [2021-03-12 08:06:55,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 08:06:55,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 08:06:55,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 08:06:55,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16370051] [2021-03-12 08:06:55,908 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 08:06:55,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-12 08:06:55,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760118882] [2021-03-12 08:06:55,913 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-12 08:06:55,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 08:06:55,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-12 08:06:55,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-12 08:06:55,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 08:06:55,935 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 08:06:55,943 INFO L481 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) [2021-03-12 08:06:55,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 08:06:55,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:06:55,986 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 08:06:55,986 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 08:06:55,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 08:06:55,987 INFO L82 PathProgramCache]: Analyzing trace with hash -2042651181, now seen corresponding path program 1 times [2021-03-12 08:06:55,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 08:06:55,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172971879] [2021-03-12 08:06:55,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 08:06:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 08:06:56,056 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 08:06:56,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172971879] [2021-03-12 08:06:56,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1093700207] [2021-03-12 08:06:56,057 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 [2021-03-12 08:06:56,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 08:06:56,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-12 08:06:56,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 08:06:56,292 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 [2021-03-12 08:06:56,295 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 08:06:56,297 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 08:06:56,298 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 08:06:56,298 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2021-03-12 08:06:56,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 08:06:56,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 08:06:56,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-03-12 08:06:56,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880736017] [2021-03-12 08:06:56,311 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-12 08:06:56,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 08:06:56,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-12 08:06:56,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-12 08:06:56,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 08:06:56,313 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 08:06:56,313 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 6 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) [2021-03-12 08:06:56,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:06:56,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 08:06:56,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:06:56,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:06:56,579 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 08:06:56,580 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 08:06:56,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 08:06:56,580 INFO L82 PathProgramCache]: Analyzing trace with hash 268202073, now seen corresponding path program 2 times [2021-03-12 08:06:56,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 08:06:56,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095295759] [2021-03-12 08:06:56,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 08:06:56,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 08:06:56,660 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 08:06:56,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095295759] [2021-03-12 08:06:56,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [897881052] [2021-03-12 08:06:56,661 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 [2021-03-12 08:06:56,719 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 08:06:56,720 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 08:06:56,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2021-03-12 08:06:56,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 08:06:56,819 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 08:06:56,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 08:06:56,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-03-12 08:06:56,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306554786] [2021-03-12 08:06:56,820 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-12 08:06:56,820 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 08:06:56,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-12 08:06:56,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-12 08:06:56,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 08:06:56,822 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 08:06:56,822 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 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) [2021-03-12 08:06:56,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:06:56,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:06:56,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 08:06:56,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:06:56,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:06:56,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 08:06:57,099 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 08:06:57,100 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 08:06:57,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 08:06:57,100 INFO L82 PathProgramCache]: Analyzing trace with hash 549941096, now seen corresponding path program 1 times [2021-03-12 08:06:57,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 08:06:57,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371151602] [2021-03-12 08:06:57,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 08:06:57,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 08:06:57,203 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 08:06:57,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371151602] [2021-03-12 08:06:57,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098205628] [2021-03-12 08:06:57,204 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 [2021-03-12 08:06:57,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 08:06:57,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 20 conjunts are in the unsatisfiable core [2021-03-12 08:06:57,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 08:06:57,502 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 08:06:57,503 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 [2021-03-12 08:06:57,507 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 08:06:57,509 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 08:06:57,510 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 08:06:57,510 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-03-12 08:06:57,518 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 08:06:57,519 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 08:06:57,519 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-03-12 08:06:57,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539221419] [2021-03-12 08:06:57,520 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-12 08:06:57,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 08:06:57,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-12 08:06:57,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-03-12 08:06:57,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 08:06:57,521 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 08:06:57,521 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 12 states have internal predecessors, (21), 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) [2021-03-12 08:06:57,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:06:57,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:06:57,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 08:06:57,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 08:06:57,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:06:57,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:06:57,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 08:06:57,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 08:06:57,875 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 08:06:57,875 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 08:06:57,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 08:06:57,877 INFO L82 PathProgramCache]: Analyzing trace with hash 781826158, now seen corresponding path program 2 times [2021-03-12 08:06:57,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 08:06:57,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699528525] [2021-03-12 08:06:57,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 08:06:57,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 08:06:58,004 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 08:06:58,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699528525] [2021-03-12 08:06:58,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [435746337] [2021-03-12 08:06:58,004 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-12 08:06:58,034 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 08:06:58,034 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 08:06:58,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 22 conjunts are in the unsatisfiable core [2021-03-12 08:06:58,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 08:06:58,256 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 08:06:58,256 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 [2021-03-12 08:06:58,283 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 08:06:58,285 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 08:06:58,286 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 08:06:58,286 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-03-12 08:06:58,294 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 08:06:58,295 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 08:06:58,295 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-03-12 08:06:58,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972331653] [2021-03-12 08:06:58,296 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-12 08:06:58,296 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 08:06:58,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-12 08:06:58,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-03-12 08:06:58,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 08:06:58,297 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 08:06:58,297 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 12 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) [2021-03-12 08:06:58,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:06:58,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:06:58,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 08:06:58,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 08:06:58,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 08:06:58,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:06:58,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:06:58,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 08:06:58,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 08:06:58,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 08:06:58,619 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 08:06:58,619 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 08:06:58,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 08:06:58,620 INFO L82 PathProgramCache]: Analyzing trace with hash -619671512, now seen corresponding path program 3 times [2021-03-12 08:06:58,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 08:06:58,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849496246] [2021-03-12 08:06:58,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 08:06:58,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 08:06:58,694 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 08:06:58,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849496246] [2021-03-12 08:06:58,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1849813484] [2021-03-12 08:06:58,697 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 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 [2021-03-12 08:06:58,730 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-12 08:06:58,730 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 08:06:58,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-12 08:06:58,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 08:06:58,781 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 08:06:58,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 08:06:58,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-03-12 08:06:58,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069370027] [2021-03-12 08:06:58,782 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-12 08:06:58,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 08:06:58,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-12 08:06:58,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-03-12 08:06:58,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 08:06:58,783 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 08:06:58,783 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 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) [2021-03-12 08:06:58,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:06:58,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:06:58,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 08:06:58,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 08:06:58,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 08:06:58,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 08:06:58,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:06:58,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:06:58,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 08:06:58,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 08:06:58,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 08:06:58,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:06:59,079 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 08:06:59,079 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 08:06:59,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 08:06:59,080 INFO L82 PathProgramCache]: Analyzing trace with hash -1204336263, now seen corresponding path program 4 times [2021-03-12 08:06:59,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 08:06:59,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770295074] [2021-03-12 08:06:59,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 08:06:59,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 08:06:59,230 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 08:06:59,231 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770295074] [2021-03-12 08:06:59,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745705502] [2021-03-12 08:06:59,237 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 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 [2021-03-12 08:06:59,262 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 08:06:59,262 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 08:06:59,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 29 conjunts are in the unsatisfiable core [2021-03-12 08:06:59,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 08:06:59,559 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 08:06:59,559 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 [2021-03-12 08:06:59,645 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 08:06:59,647 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 08:06:59,648 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 08:06:59,648 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-03-12 08:06:59,654 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 08:06:59,655 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 08:06:59,655 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-03-12 08:06:59,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881638726] [2021-03-12 08:06:59,657 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-12 08:06:59,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 08:06:59,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-12 08:06:59,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2021-03-12 08:06:59,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 08:06:59,659 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 08:06:59,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 18 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) [2021-03-12 08:06:59,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:06:59,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:06:59,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 08:06:59,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 08:06:59,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 08:06:59,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:06:59,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 08:06:59,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:06:59,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:06:59,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 08:06:59,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 08:06:59,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 08:06:59,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:06:59,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:07:00,085 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-03-12 08:07:00,086 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 08:07:00,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 08:07:00,086 INFO L82 PathProgramCache]: Analyzing trace with hash 576133811, now seen corresponding path program 5 times [2021-03-12 08:07:00,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 08:07:00,086 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865539148] [2021-03-12 08:07:00,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 08:07:00,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 08:07:00,223 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 08:07:00,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865539148] [2021-03-12 08:07:00,224 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [283674176] [2021-03-12 08:07:00,224 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 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 [2021-03-12 08:07:00,254 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-03-12 08:07:00,255 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 08:07:00,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-12 08:07:00,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 08:07:00,535 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 08:07:00,536 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 [2021-03-12 08:07:00,693 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 08:07:00,695 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 08:07:00,696 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 08:07:00,696 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-03-12 08:07:00,703 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 08:07:00,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 08:07:00,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-03-12 08:07:00,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15898893] [2021-03-12 08:07:00,705 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-12 08:07:00,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 08:07:00,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-12 08:07:00,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2021-03-12 08:07:00,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 08:07:00,708 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 08:07:00,708 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 18 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 08:07:00,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:07:00,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:07:00,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 08:07:00,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 08:07:00,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 08:07:00,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:07:00,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:07:00,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 08:07:00,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:07:00,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:07:00,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 08:07:00,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 08:07:00,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 08:07:00,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:07:00,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:07:00,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:07:01,071 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-03-12 08:07:01,072 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 08:07:01,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 08:07:01,072 INFO L82 PathProgramCache]: Analyzing trace with hash -63868743, now seen corresponding path program 6 times [2021-03-12 08:07:01,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 08:07:01,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953254186] [2021-03-12 08:07:01,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 08:07:01,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 08:07:01,166 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 08:07:01,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953254186] [2021-03-12 08:07:01,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [459639178] [2021-03-12 08:07:01,167 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 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 [2021-03-12 08:07:01,203 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-03-12 08:07:01,204 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 08:07:01,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-12 08:07:01,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 08:07:01,284 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 08:07:01,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 08:07:01,284 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2021-03-12 08:07:01,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179008394] [2021-03-12 08:07:01,287 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-12 08:07:01,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 08:07:01,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-12 08:07:01,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-03-12 08:07:01,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 08:07:01,288 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 08:07:01,289 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 1.75) internal successors, (21), 11 states have internal predecessors, (21), 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) [2021-03-12 08:07:01,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:07:01,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:07:01,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 08:07:01,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 08:07:01,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 08:07:01,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:07:01,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:07:01,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:07:01,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 08:07:01,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:07:01,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:07:01,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 08:07:01,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 08:07:01,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 08:07:01,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:07:01,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:07:01,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:07:01,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 08:07:01,635 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-03-12 08:07:01,636 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 08:07:01,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 08:07:01,637 INFO L82 PathProgramCache]: Analyzing trace with hash -1154319608, now seen corresponding path program 7 times [2021-03-12 08:07:01,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 08:07:01,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587022700] [2021-03-12 08:07:01,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 08:07:01,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 08:07:01,800 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 08:07:01,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587022700] [2021-03-12 08:07:01,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507360534] [2021-03-12 08:07:01,801 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 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 [2021-03-12 08:07:01,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 08:07:01,830 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 38 conjunts are in the unsatisfiable core [2021-03-12 08:07:01,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 08:07:02,261 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 08:07:02,261 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 [2021-03-12 08:07:02,579 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 08:07:02,583 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 08:07:02,583 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 08:07:02,584 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-03-12 08:07:02,593 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 08:07:02,594 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 08:07:02,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-03-12 08:07:02,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482952124] [2021-03-12 08:07:02,596 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-03-12 08:07:02,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 08:07:02,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-03-12 08:07:02,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2021-03-12 08:07:02,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 08:07:02,597 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 08:07:02,598 INFO L481 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) [2021-03-12 08:07:02,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:07:02,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:07:02,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 08:07:02,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 08:07:02,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 08:07:02,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:07:02,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:07:02,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:07:02,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 08:07:02,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 08:07:02,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:07:02,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:07:02,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 08:07:02,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 08:07:02,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 08:07:02,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:07:02,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:07:02,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:07:02,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 08:07:02,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 08:07:03,115 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-03-12 08:07:03,115 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 08:07:03,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 08:07:03,116 INFO L82 PathProgramCache]: Analyzing trace with hash -2016450674, now seen corresponding path program 8 times [2021-03-12 08:07:03,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 08:07:03,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529599145] [2021-03-12 08:07:03,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 08:07:03,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 08:07:03,331 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 08:07:03,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529599145] [2021-03-12 08:07:03,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393757385] [2021-03-12 08:07:03,332 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 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 [2021-03-12 08:07:03,362 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 08:07:03,363 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 08:07:03,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 40 conjunts are in the unsatisfiable core [2021-03-12 08:07:03,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 08:07:03,777 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 08:07:03,777 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 [2021-03-12 08:07:04,245 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 08:07:04,247 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 08:07:04,248 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 08:07:04,248 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:3 [2021-03-12 08:07:04,256 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 08:07:04,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 08:07:04,256 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-03-12 08:07:04,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236309717] [2021-03-12 08:07:04,257 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-03-12 08:07:04,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 08:07:04,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-03-12 08:07:04,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2021-03-12 08:07:04,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 08:07:04,258 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 08:07:04,258 INFO L481 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) [2021-03-12 08:07:04,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:07:04,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:07:04,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 08:07:04,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 08:07:04,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 08:07:04,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:07:04,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:07:04,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:07:04,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 08:07:04,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 08:07:04,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 08:07:04,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:07:04,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:07:04,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 08:07:04,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 08:07:04,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 08:07:04,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:07:04,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:07:04,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:07:04,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 08:07:04,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 08:07:04,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:07:04,734 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable109 [2021-03-12 08:07:04,734 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 08:07:04,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 08:07:04,735 INFO L82 PathProgramCache]: Analyzing trace with hash 1322257352, now seen corresponding path program 9 times [2021-03-12 08:07:04,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 08:07:04,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521822490] [2021-03-12 08:07:04,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 08:07:04,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 08:07:04,866 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 21 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 08:07:04,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521822490] [2021-03-12 08:07:04,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [431943125] [2021-03-12 08:07:04,866 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-12 08:07:04,890 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-03-12 08:07:04,891 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 08:07:04,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-12 08:07:04,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 08:07:04,961 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 28 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 08:07:04,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 08:07:04,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-03-12 08:07:04,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923311030] [2021-03-12 08:07:04,962 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-12 08:07:04,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 08:07:04,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-12 08:07:04,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2021-03-12 08:07:04,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 08:07:04,963 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 08:07:04,963 INFO L481 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) [2021-03-12 08:07:04,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:07:04,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:07:04,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 08:07:04,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 08:07:04,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 08:07:04,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:07:04,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:07:04,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:07:04,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 08:07:04,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 08:07:04,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:07:04,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 08:07:05,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:07:05,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:07:05,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 08:07:05,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 08:07:05,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 08:07:05,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:07:05,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:07:05,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:07:05,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 08:07:05,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 08:07:05,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:07:05,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 08:07:05,351 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 08:07:05,351 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 08:07:05,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 08:07:05,352 INFO L82 PathProgramCache]: Analyzing trace with hash -1134083623, now seen corresponding path program 10 times [2021-03-12 08:07:05,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 08:07:05,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8114737] [2021-03-12 08:07:05,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 08:07:05,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 08:07:05,566 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 08:07:05,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8114737] [2021-03-12 08:07:05,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1346942636] [2021-03-12 08:07:05,567 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 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 [2021-03-12 08:07:05,598 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 08:07:05,598 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 08:07:05,599 WARN L261 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 47 conjunts are in the unsatisfiable core [2021-03-12 08:07:05,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 08:07:06,192 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-03-12 08:07:06,193 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 08:07:06,193 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 [2021-03-12 08:07:07,342 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 08:07:07,344 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 08:07:07,345 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 08:07:07,345 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-03-12 08:07:07,352 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 08:07:07,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 08:07:07,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-03-12 08:07:07,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115349197] [2021-03-12 08:07:07,355 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-03-12 08:07:07,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 08:07:07,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-03-12 08:07:07,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=854, Unknown=0, NotChecked=0, Total=930 [2021-03-12 08:07:07,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 08:07:07,356 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 08:07:07,356 INFO L481 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) [2021-03-12 08:07:07,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:07:07,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:07:07,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 08:07:07,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 08:07:07,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 08:07:07,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:07:07,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:07:07,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:07:07,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 08:07:07,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 08:07:07,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:07:07,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 08:07:07,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 08:07:07,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:07:07,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:07:07,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 08:07:07,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 08:07:07,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 08:07:07,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:07:07,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:07:07,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:07:07,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 08:07:07,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 08:07:07,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:07:07,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 08:07:07,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 08:07:07,959 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable198 [2021-03-12 08:07:07,959 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 08:07:07,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 08:07:07,960 INFO L82 PathProgramCache]: Analyzing trace with hash -976240749, now seen corresponding path program 11 times [2021-03-12 08:07:07,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 08:07:07,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729849159] [2021-03-12 08:07:07,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 08:07:07,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 08:07:08,231 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 08:07:08,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729849159] [2021-03-12 08:07:08,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1767852852] [2021-03-12 08:07:08,232 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 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 [2021-03-12 08:07:08,268 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-03-12 08:07:08,268 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 08:07:08,269 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 49 conjunts are in the unsatisfiable core [2021-03-12 08:07:08,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 08:07:08,927 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-03-12 08:07:08,927 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 08:07:08,928 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 [2021-03-12 08:07:11,311 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 08:07:11,313 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 08:07:11,313 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 08:07:11,314 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-03-12 08:07:11,320 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 08:07:11,321 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 08:07:11,321 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-03-12 08:07:11,321 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763953415] [2021-03-12 08:07:11,322 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-03-12 08:07:11,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 08:07:11,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-03-12 08:07:11,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=856, Unknown=0, NotChecked=0, Total=930 [2021-03-12 08:07:11,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 08:07:11,323 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 08:07:11,323 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 30 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 08:07:11,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:07:11,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:07:11,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 08:07:11,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 08:07:11,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 08:07:11,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:07:11,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:07:11,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:07:11,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 08:07:11,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 08:07:11,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:07:11,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 08:07:11,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 08:07:11,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 08:07:11,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:07:11,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:07:11,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 08:07:11,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 08:07:11,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 08:07:11,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:07:11,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:07:11,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:07:11,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 08:07:11,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 08:07:11,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:07:11,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 08:07:11,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 08:07:11,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 08:07:11,955 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable449,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 08:07:11,955 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 08:07:11,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 08:07:11,956 INFO L82 PathProgramCache]: Analyzing trace with hash -378078951, now seen corresponding path program 12 times [2021-03-12 08:07:11,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 08:07:11,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975612708] [2021-03-12 08:07:11,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 08:07:11,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 08:07:12,097 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 36 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 08:07:12,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975612708] [2021-03-12 08:07:12,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [680157605] [2021-03-12 08:07:12,098 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 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 [2021-03-12 08:07:12,133 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-03-12 08:07:12,133 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 08:07:12,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 16 conjunts are in the unsatisfiable core [2021-03-12 08:07:12,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 08:07:12,210 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 45 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 08:07:12,210 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 08:07:12,210 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2021-03-12 08:07:12,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517098542] [2021-03-12 08:07:12,211 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-12 08:07:12,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 08:07:12,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-12 08:07:12,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2021-03-12 08:07:12,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 08:07:12,212 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 08:07:12,212 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.5) internal successors, (27), 17 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) [2021-03-12 08:07:12,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:07:12,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:07:12,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 08:07:12,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 08:07:12,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 08:07:12,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:07:12,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:07:12,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:07:12,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 08:07:12,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 08:07:12,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:07:12,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 08:07:12,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 08:07:12,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 08:07:12,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 08:07:12,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:07:12,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:07:12,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 08:07:12,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 08:07:12,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 08:07:12,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:07:12,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:07:12,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:07:12,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 08:07:12,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 08:07:12,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:07:12,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 08:07:12,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 08:07:12,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 08:07:12,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 08:07:12,683 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable970 [2021-03-12 08:07:12,683 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 08:07:12,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 08:07:12,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1990065832, now seen corresponding path program 13 times [2021-03-12 08:07:12,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 08:07:12,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125129407] [2021-03-12 08:07:12,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 08:07:12,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 08:07:12,971 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 08:07:12,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125129407] [2021-03-12 08:07:12,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538343324] [2021-03-12 08:07:12,972 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 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 [2021-03-12 08:07:13,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 08:07:13,006 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 56 conjunts are in the unsatisfiable core [2021-03-12 08:07:13,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 08:07:13,959 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-03-12 08:07:13,960 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 08:07:13,960 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 [2021-03-12 08:07:19,188 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 1085 DAG size of output: 603 [2021-03-12 08:07:19,351 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 1478 DAG size of output: 701 [2021-03-12 08:07:19,498 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 1478 DAG size of output: 701 [2021-03-12 08:07:19,670 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 1483 DAG size of output: 698 [2021-03-12 08:07:19,838 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 888 [2021-03-12 08:07:20,449 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 606 [2021-03-12 08:07:22,334 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 1178 DAG size of output: 652 [2021-03-12 08:07:22,474 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 578 [2021-03-12 08:07:24,637 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 2257 DAG size of output: 1208 [2021-03-12 08:07:24,861 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 2257 DAG size of output: 1208 [2021-03-12 08:07:25,096 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 2259 DAG size of output: 1208 [2021-03-12 08:07:25,768 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 08:07:25,770 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 08:07:25,770 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 08:07:25,770 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-03-12 08:07:25,776 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 08:07:25,776 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 08:07:25,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2021-03-12 08:07:25,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273074575] [2021-03-12 08:07:25,776 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-03-12 08:07:25,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 08:07:25,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-03-12 08:07:25,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=1241, Unknown=0, NotChecked=0, Total=1332 [2021-03-12 08:07:25,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 08:07:25,778 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 08:07:25,778 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.2162162162162162) internal successors, (45), 36 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 08:07:25,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:07:25,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:07:25,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 08:07:25,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 08:07:25,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 08:07:25,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:07:25,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:07:25,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:07:25,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 08:07:25,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 08:07:25,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:07:25,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 08:07:25,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 08:07:25,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 08:07:25,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 08:07:25,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 08:07:26,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:07:26,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:07:26,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 08:07:26,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 08:07:26,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 08:07:26,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:07:26,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:07:26,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:07:26,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 08:07:26,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 08:07:26,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:07:26,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 08:07:26,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 08:07:26,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 08:07:26,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 08:07:26,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 08:07:26,499 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable971 [2021-03-12 08:07:26,499 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 08:07:26,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 08:07:26,500 INFO L82 PathProgramCache]: Analyzing trace with hash 1297936046, now seen corresponding path program 14 times [2021-03-12 08:07:26,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 08:07:26,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653934670] [2021-03-12 08:07:26,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 08:07:26,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 08:07:26,798 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 08:07:26,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653934670] [2021-03-12 08:07:26,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1292728549] [2021-03-12 08:07:26,799 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 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 [2021-03-12 08:07:26,831 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 08:07:26,831 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 08:07:26,833 WARN L261 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 58 conjunts are in the unsatisfiable core [2021-03-12 08:07:26,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 08:07:27,723 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-03-12 08:07:27,724 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 08:07:27,724 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 [2021-03-12 08:07:33,696 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 960 DAG size of output: 398 [2021-03-12 08:07:33,811 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 420 [2021-03-12 08:07:36,628 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 1011 DAG size of output: 681 [2021-03-12 08:07:38,734 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 849 DAG size of output: 705 [2021-03-12 08:07:39,029 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 1470 DAG size of output: 1188 [2021-03-12 08:07:39,344 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 1619 DAG size of output: 1227 [2021-03-12 08:07:39,709 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 2285 DAG size of output: 1225 [2021-03-12 08:07:40,156 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 2817 DAG size of output: 1738 [2021-03-12 08:07:42,319 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 3264 DAG size of output: 2055 [2021-03-12 08:07:42,913 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 3617 DAG size of output: 2277 [2021-03-12 08:07:45,673 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1039 DAG size of output: 765 [2021-03-12 08:07:46,891 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 567 [2021-03-12 08:07:47,866 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 835 DAG size of output: 775 [2021-03-12 08:07:48,133 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 1491 DAG size of output: 1304 [2021-03-12 08:07:50,954 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 963 DAG size of output: 449 [2021-03-12 08:07:51,374 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 2089 DAG size of output: 1539 [2021-03-12 08:07:51,799 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 2213 DAG size of output: 1647 [2021-03-12 08:07:52,849 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 2674 DAG size of output: 1767 [2021-03-12 08:07:53,484 WARN L205 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 3209 DAG size of output: 2284 [2021-03-12 08:07:54,124 WARN L205 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 3555 DAG size of output: 2587 [2021-03-12 08:07:57,253 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 763 [2021-03-12 08:07:57,408 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 1077 DAG size of output: 756 [2021-03-12 08:07:57,602 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 1098 DAG size of output: 774 [2021-03-12 08:07:58,359 WARN L205 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 4497 DAG size of output: 3222 [2021-03-12 08:07:59,775 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 6099 DAG size of output: 4037 [2021-03-12 08:08:01,247 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 6527 DAG size of output: 4178 [2021-03-12 08:08:04,274 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 7214 DAG size of output: 4671 [2021-03-12 08:08:06,015 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 7644 DAG size of output: 5009 [2021-03-12 08:08:07,748 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 7644 DAG size of output: 5009 [2021-03-12 08:08:09,562 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 7657 DAG size of output: 5022 [2021-03-12 08:08:11,711 WARN L205 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 5024 DAG size of output: 6951 [2021-03-12 08:08:13,791 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 4225 DAG size of output: 5817 [2021-03-12 08:08:14,975 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 3936 DAG size of output: 3639 [2021-03-12 08:08:16,905 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 3441 DAG size of output: 4915 [2021-03-12 08:08:18,020 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 3369 DAG size of output: 3400 [2021-03-12 08:08:19,960 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 3164 DAG size of output: 4663 [2021-03-12 08:08:20,847 WARN L205 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 2817 DAG size of output: 2759 [2021-03-12 08:08:22,808 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 2568 DAG size of output: 3483 [2021-03-12 08:08:24,019 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 2279 DAG size of output: 3278 [2021-03-12 08:08:24,421 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 1929 DAG size of output: 1913 [2021-03-12 08:08:24,788 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 1754 DAG size of output: 1754 [2021-03-12 08:08:25,156 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 1642 DAG size of output: 1642 [2021-03-12 08:08:25,343 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 1347 DAG size of output: 1347 [2021-03-12 08:08:26,132 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 935 [2021-03-12 08:08:26,391 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 818 [2021-03-12 08:08:27,787 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 1006 [2021-03-12 08:08:27,908 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 877 DAG size of output: 877 [2021-03-12 08:08:29,354 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 1715 DAG size of output: 767 [2021-03-12 08:08:29,876 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 2020 DAG size of output: 916 [2021-03-12 08:08:30,095 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 2176 DAG size of output: 1030 [2021-03-12 08:08:30,686 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 2193 DAG size of output: 2186 [2021-03-12 08:08:31,265 WARN L205 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 2032 DAG size of output: 2032 [2021-03-12 08:08:31,965 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 1930 DAG size of output: 1930 [2021-03-12 08:08:32,240 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 1241 DAG size of output: 1241 [2021-03-12 08:08:32,437 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 1080 DAG size of output: 1080 [2021-03-12 08:08:32,605 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 844 DAG size of output: 844 [2021-03-12 08:08:32,737 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 674 [2021-03-12 08:08:34,556 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 1545 DAG size of output: 1545 [2021-03-12 08:08:34,803 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 1152 [2021-03-12 08:08:35,135 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 1005 DAG size of output: 1005 [2021-03-12 08:08:35,471 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 835 DAG size of output: 835 [2021-03-12 08:08:35,616 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 814 DAG size of output: 814 [2021-03-12 08:08:35,779 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 769 [2021-03-12 08:08:37,527 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 1954 DAG size of output: 803 [2021-03-12 08:08:37,696 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 2119 DAG size of output: 870 [2021-03-12 08:08:37,885 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 2270 DAG size of output: 981 [2021-03-12 08:08:38,284 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 3632 DAG size of output: 1557 [2021-03-12 08:08:38,738 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 1827 DAG size of output: 1803 [2021-03-12 08:08:39,538 WARN L205 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 1697 DAG size of output: 2477 [2021-03-12 08:08:39,779 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 1218 DAG size of output: 1186 [2021-03-12 08:08:41,129 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 980 DAG size of output: 980 [2021-03-12 08:08:43,170 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 1632 DAG size of output: 1621 [2021-03-12 08:08:43,356 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 1085 DAG size of output: 1085 [2021-03-12 08:08:43,674 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 955 DAG size of output: 955 [2021-03-12 08:08:43,814 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 775 DAG size of output: 775 [2021-03-12 08:08:43,935 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 640 [2021-03-12 08:08:45,403 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 1308 DAG size of output: 1304 [2021-03-12 08:08:45,602 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 1001 DAG size of output: 1001 [2021-03-12 08:08:45,876 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 885 DAG size of output: 885 [2021-03-12 08:08:46,162 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 750 DAG size of output: 750 [2021-03-12 08:08:46,297 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 730 DAG size of output: 730 [2021-03-12 08:08:46,416 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 705 [2021-03-12 08:08:47,824 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 1579 DAG size of output: 791 [2021-03-12 08:08:48,102 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 2376 DAG size of output: 1159 [2021-03-12 08:08:48,821 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 2677 DAG size of output: 1277 [2021-03-12 08:08:49,534 WARN L205 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 5640 DAG size of output: 2351 [2021-03-12 08:08:50,291 WARN L205 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 5962 DAG size of output: 2552 [2021-03-12 08:08:51,644 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 8298 DAG size of output: 3947 [2021-03-12 08:08:53,683 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 1076 DAG size of output: 776 [2021-03-12 08:08:53,807 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 1301 DAG size of output: 820 [2021-03-12 08:08:55,336 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 9172 DAG size of output: 4422 [2021-03-12 08:08:56,631 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 10737 DAG size of output: 3616 [2021-03-12 08:08:57,994 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 10966 DAG size of output: 3871 [2021-03-12 08:08:59,573 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 3550 DAG size of output: 4917 [2021-03-12 08:09:00,486 WARN L205 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 3465 DAG size of output: 3191 [2021-03-12 08:09:01,363 WARN L205 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 2997 DAG size of output: 2884 [2021-03-12 08:09:03,979 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 1381 DAG size of output: 930 [2021-03-12 08:09:04,182 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 1601 DAG size of output: 1074 [2021-03-12 08:09:05,532 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 2633 DAG size of output: 3806 [2021-03-12 08:09:06,519 WARN L205 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 2350 DAG size of output: 3155 [2021-03-12 08:09:06,980 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 2147 DAG size of output: 2139 [2021-03-12 08:09:08,432 WARN L205 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 1972 DAG size of output: 2870 [2021-03-12 08:09:08,767 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 1715 DAG size of output: 1715 [2021-03-12 08:09:09,046 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 1575 DAG size of output: 1575 [2021-03-12 08:09:09,580 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 1480 DAG size of output: 1480 [2021-03-12 08:09:09,690 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 879 DAG size of output: 879 [2021-03-12 08:09:09,812 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 751 [2021-03-12 08:09:10,981 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 1182 DAG size of output: 1182 [2021-03-12 08:09:11,126 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 878 DAG size of output: 878 [2021-03-12 08:09:13,144 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 1579 DAG size of output: 787 [2021-03-12 08:09:13,292 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 1781 DAG size of output: 919 [2021-03-12 08:09:13,457 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 1920 DAG size of output: 1017 [2021-03-12 08:09:13,921 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 1924 DAG size of output: 1918 [2021-03-12 08:09:14,320 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 1783 [2021-03-12 08:09:14,843 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 1697 DAG size of output: 1697 [2021-03-12 08:09:15,004 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 1040 DAG size of output: 1040 [2021-03-12 08:09:15,140 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 882 DAG size of output: 882 [2021-03-12 08:09:15,259 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 726 [2021-03-12 08:09:16,734 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 1330 DAG size of output: 1330 [2021-03-12 08:09:17,450 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 1035 [2021-03-12 08:09:17,584 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 886 [2021-03-12 08:09:19,137 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 1748 DAG size of output: 784 [2021-03-12 08:09:19,291 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1833 DAG size of output: 843 [2021-03-12 08:09:19,462 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 1967 DAG size of output: 938 [2021-03-12 08:09:19,829 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 3166 DAG size of output: 1555 [2021-03-12 08:09:20,201 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 3445 DAG size of output: 1732 [2021-03-12 08:09:20,539 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 1603 DAG size of output: 1589 [2021-03-12 08:09:20,869 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 1456 DAG size of output: 1452 [2021-03-12 08:09:21,451 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 1367 DAG size of output: 1367 [2021-03-12 08:09:21,578 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 871 DAG size of output: 871 [2021-03-12 08:09:21,687 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 747 DAG size of output: 747 [2021-03-12 08:09:23,625 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 1045 DAG size of output: 679 [2021-03-12 08:09:23,773 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 1081 DAG size of output: 1081 [2021-03-12 08:09:23,894 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 828 DAG size of output: 828 [2021-03-12 08:09:26,399 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 1291 DAG size of output: 746 [2021-03-12 08:09:26,574 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 1732 DAG size of output: 1016 [2021-03-12 08:09:26,771 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 1893 DAG size of output: 1094 [2021-03-12 08:09:27,579 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 2173 DAG size of output: 1309 [2021-03-12 08:09:28,228 WARN L205 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 5017 DAG size of output: 2559 [2021-03-12 08:09:29,347 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 7041 DAG size of output: 3929 [2021-03-12 08:09:30,685 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 8301 DAG size of output: 4690 [2021-03-12 08:09:32,144 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 8530 DAG size of output: 4936 [2021-03-12 08:09:33,330 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 10374 DAG size of output: 3975 [2021-03-12 08:09:35,908 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 19095 DAG size of output: 6530 [2021-03-12 08:09:38,729 WARN L205 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 22145 DAG size of output: 6652 [2021-03-12 08:09:41,544 WARN L205 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 22145 DAG size of output: 6652 [2021-03-12 08:09:44,407 WARN L205 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 22154 DAG size of output: 6661 [2021-03-12 08:09:45,889 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 6658 DAG size of output: 6140 [2021-03-12 08:09:47,009 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 6142 DAG size of output: 4499 [2021-03-12 08:09:47,619 WARN L205 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 4127 DAG size of output: 2597 [2021-03-12 08:09:48,107 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 2592 DAG size of output: 2540 [2021-03-12 08:09:48,557 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 1698 DAG size of output: 2252 [2021-03-12 08:09:48,989 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 1634 DAG size of output: 1837 [2021-03-12 08:09:50,574 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1183 DAG size of output: 777 [2021-03-12 08:09:51,891 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1218 DAG size of output: 743 [2021-03-12 08:09:52,371 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 1862 DAG size of output: 882 [2021-03-12 08:09:52,532 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 1868 DAG size of output: 888 [2021-03-12 08:09:52,780 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 2313 DAG size of output: 1037 [2021-03-12 08:09:52,960 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 2313 DAG size of output: 1037 [2021-03-12 08:09:53,286 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 2320 DAG size of output: 1387 [2021-03-12 08:09:54,572 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 08:09:54,574 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 08:09:54,574 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 08:09:54,574 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:51, output treesize:3 [2021-03-12 08:09:54,580 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 08:09:54,580 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 08:09:54,580 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2021-03-12 08:09:54,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735536134] [2021-03-12 08:09:54,581 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-03-12 08:09:54,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 08:09:54,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-03-12 08:09:54,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1243, Unknown=0, NotChecked=0, Total=1332 [2021-03-12 08:09:54,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 08:09:54,582 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 08:09:54,582 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 36 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 08:09:54,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:09:54,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:09:54,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 08:09:54,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 08:09:54,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 08:09:54,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:09:54,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:09:54,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:09:54,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 08:09:54,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 08:09:54,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:09:54,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 08:09:54,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 08:09:54,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 08:09:54,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 08:09:54,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-03-12 08:09:54,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 08:09:55,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:09:55,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:09:55,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 08:09:55,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 08:09:55,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 08:09:55,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:09:55,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:09:55,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:09:55,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 08:09:55,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 08:09:55,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:09:55,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 08:09:55,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 08:09:55,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 08:09:55,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 08:09:55,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 08:09:55,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 08:09:55,251 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2766 [2021-03-12 08:09:55,251 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 08:09:55,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 08:09:55,254 INFO L82 PathProgramCache]: Analyzing trace with hash 1316749160, now seen corresponding path program 15 times [2021-03-12 08:09:55,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 08:09:55,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183619531] [2021-03-12 08:09:55,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 08:09:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 08:09:55,426 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 55 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 08:09:55,426 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183619531] [2021-03-12 08:09:55,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139716734] [2021-03-12 08:09:55,427 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 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 [2021-03-12 08:09:55,478 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-03-12 08:09:55,478 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 08:09:55,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-12 08:09:55,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 08:09:55,553 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 66 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 08:09:55,554 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 08:09:55,554 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 20 [2021-03-12 08:09:55,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993446732] [2021-03-12 08:09:55,554 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-03-12 08:09:55,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 08:09:55,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-03-12 08:09:55,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2021-03-12 08:09:55,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 08:09:55,555 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 08:09:55,555 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 20 states have internal predecessors, (30), 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) [2021-03-12 08:09:55,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:09:55,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:09:55,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 08:09:55,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 08:09:55,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 08:09:55,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:09:55,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:09:55,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:09:55,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 08:09:55,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 08:09:55,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:09:55,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 08:09:55,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 08:09:55,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 08:09:55,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 08:09:55,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-03-12 08:09:55,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 08:09:55,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 08:09:55,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:09:55,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:09:55,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 08:09:55,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 08:09:55,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 08:09:55,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:09:55,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:09:55,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:09:55,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 08:09:55,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 08:09:55,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:09:55,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 08:09:55,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 08:09:55,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 08:09:55,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 08:09:55,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 08:09:55,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 08:09:55,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 08:09:56,044 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18745,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 08:09:56,044 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 08:09:56,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 08:09:56,045 INFO L82 PathProgramCache]: Analyzing trace with hash -1304837575, now seen corresponding path program 16 times [2021-03-12 08:09:56,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 08:09:56,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405346065] [2021-03-12 08:09:56,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 08:09:56,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 08:09:56,373 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 08:09:56,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405346065] [2021-03-12 08:09:56,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446708814] [2021-03-12 08:09:56,373 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 08:09:56,403 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 08:09:56,403 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 08:09:56,404 WARN L261 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 65 conjunts are in the unsatisfiable core [2021-03-12 08:09:56,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 08:09:57,445 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-03-12 08:09:57,446 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 08:09:57,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 23 new quantified variables, introduced 66 case distinctions, treesize of input 55 treesize of output 568 [2021-03-12 08:10:00,171 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 1471 DAG size of output: 1189 [2021-03-12 08:10:00,311 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1495 DAG size of output: 1211 [2021-03-12 08:10:00,431 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 1495 DAG size of output: 1211 [2021-03-12 08:10:00,568 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 1514 DAG size of output: 1230 [2021-03-12 08:10:00,797 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 1232 DAG size of output: 1717 [2021-03-12 08:10:01,004 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 1177 DAG size of output: 1510 [2021-03-12 08:10:01,129 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 1131 DAG size of output: 1088 [2021-03-12 08:10:01,259 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 1204 [2021-03-12 08:10:01,423 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 1038 DAG size of output: 1236 [2021-03-12 08:10:01,561 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 1033 DAG size of output: 1171 [2021-03-12 08:10:03,369 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 668 DAG size of output: 553 [2021-03-12 08:10:03,703 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 1003 DAG size of output: 1339 [2021-03-12 08:10:06,144 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 1104 DAG size of output: 769 [2021-03-12 08:10:10,018 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 818 DAG size of output: 829 [2021-03-12 08:10:10,165 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1071 DAG size of output: 856 [2021-03-12 08:10:10,430 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 1525 DAG size of output: 1167 [2021-03-12 08:10:10,800 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 2199 DAG size of output: 1680 [2021-03-12 08:10:11,203 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 2294 DAG size of output: 1772 [2021-03-12 08:10:11,804 WARN L205 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 2794 DAG size of output: 2181 [2021-03-12 08:10:12,426 WARN L205 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 2795 DAG size of output: 2171 [2021-03-12 08:10:14,968 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 898 [2021-03-12 08:10:15,175 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 1165 DAG size of output: 996 [2021-03-12 08:10:16,403 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 1591 DAG size of output: 1311 [2021-03-12 08:10:16,633 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 1594 DAG size of output: 1314 [2021-03-12 08:10:17,405 WARN L205 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 4029 DAG size of output: 2945 [2021-03-12 08:10:19,037 WARN L205 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 4493 DAG size of output: 3243 [2021-03-12 08:10:19,185 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 1110 DAG size of output: 1289 [2021-03-12 08:10:19,428 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 1069 DAG size of output: 1287 [2021-03-12 08:10:19,621 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 1033 DAG size of output: 1165 [2021-03-12 08:10:21,509 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 983 [2021-03-12 08:10:21,712 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 1031 DAG size of output: 1370 [2021-03-12 08:10:21,876 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 1349 [2021-03-12 08:10:22,040 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 934 DAG size of output: 1225 [2021-03-12 08:10:25,655 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 1479 DAG size of output: 1257 [2021-03-12 08:10:27,819 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 2040 DAG size of output: 1719 [2021-03-12 08:10:28,192 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 2502 DAG size of output: 2129 [2021-03-12 08:10:28,679 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 3048 DAG size of output: 2575 [2021-03-12 08:10:29,195 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 3439 DAG size of output: 3068 [2021-03-12 08:10:29,909 WARN L205 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 4191 DAG size of output: 3792 [2021-03-12 08:10:30,811 WARN L205 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 4415 DAG size of output: 3979 [2021-03-12 08:10:31,665 WARN L205 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 4904 DAG size of output: 4421 [2021-03-12 08:10:32,962 WARN L205 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 5137 DAG size of output: 4614 [2021-03-12 08:10:35,564 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 1353 DAG size of output: 981 [2021-03-12 08:10:36,928 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 1858 DAG size of output: 1354 [2021-03-12 08:10:37,223 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 2129 DAG size of output: 1573 [2021-03-12 08:10:37,832 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 2353 DAG size of output: 1744 [2021-03-12 08:10:38,980 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 6896 DAG size of output: 5346 [2021-03-12 08:10:41,002 WARN L205 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 10593 DAG size of output: 7527 [2021-03-12 08:10:41,251 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 1226 DAG size of output: 1612 [2021-03-12 08:10:41,398 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 1151 DAG size of output: 1338 [2021-03-12 08:10:41,579 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 1358 [2021-03-12 08:10:41,715 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 1129 DAG size of output: 1246 [2021-03-12 08:10:41,894 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 1088 DAG size of output: 1430 [2021-03-12 08:10:42,081 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 1081 DAG size of output: 1381 [2021-03-12 08:10:42,261 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 960 DAG size of output: 1234 [2021-03-12 08:10:42,480 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 953 DAG size of output: 1239 [2021-03-12 08:10:46,479 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 1292 DAG size of output: 1310 [2021-03-12 08:10:46,654 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 1494 DAG size of output: 1343 [2021-03-12 08:10:46,903 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 1871 DAG size of output: 1621 [2021-03-12 08:10:47,211 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 1890 DAG size of output: 1640 [2021-03-12 08:10:47,505 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 1945 DAG size of output: 1680 [2021-03-12 08:10:47,659 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 785 DAG size of output: 889 [2021-03-12 08:10:51,492 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 1196 DAG size of output: 880 [2021-03-12 08:10:51,693 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 1709 DAG size of output: 1372 [2021-03-12 08:10:52,219 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 3161 DAG size of output: 2670 [2021-03-12 08:10:52,812 WARN L205 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 3634 DAG size of output: 3105 [2021-03-12 08:10:53,523 WARN L205 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 4193 DAG size of output: 3539 [2021-03-12 08:10:54,286 WARN L205 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 4712 DAG size of output: 4050 [2021-03-12 08:10:57,257 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 1272 DAG size of output: 1413 [2021-03-12 08:10:57,467 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 1445 DAG size of output: 1584 [2021-03-12 08:10:57,740 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 1621 DAG size of output: 1706 [2021-03-12 08:10:58,003 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 1823 DAG size of output: 1886 [2021-03-12 08:10:59,099 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 6186 DAG size of output: 5607 [2021-03-12 08:11:00,307 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 6778 DAG size of output: 6039 [2021-03-12 08:11:03,748 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 1114 DAG size of output: 936 [2021-03-12 08:11:03,889 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1246 DAG size of output: 991 [2021-03-12 08:11:04,042 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1393 DAG size of output: 1032 [2021-03-12 08:11:04,232 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 1781 DAG size of output: 1323 [2021-03-12 08:11:04,449 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 2049 DAG size of output: 1480 [2021-03-12 08:11:06,037 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 2631 DAG size of output: 1918 [2021-03-12 08:11:06,623 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 2855 DAG size of output: 2044 [2021-03-12 08:11:06,994 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 2955 DAG size of output: 2138 [2021-03-12 08:11:07,409 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 3247 DAG size of output: 2348 [2021-03-12 08:11:08,933 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 9320 DAG size of output: 7109 [2021-03-12 08:11:09,158 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 1144 DAG size of output: 1285 [2021-03-12 08:11:09,413 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 1291 [2021-03-12 08:11:09,534 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 1086 DAG size of output: 1231 [2021-03-12 08:11:10,987 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 804 DAG size of output: 771 [2021-03-12 08:11:11,142 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 882 DAG size of output: 834 [2021-03-12 08:11:11,316 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 1083 DAG size of output: 1458 [2021-03-12 08:11:13,220 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 849 [2021-03-12 08:11:13,341 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 1040 DAG size of output: 885 [2021-03-12 08:11:14,503 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 1484 DAG size of output: 1155 [2021-03-12 08:11:14,700 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 1534 DAG size of output: 1205 [2021-03-12 08:11:17,281 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 976 DAG size of output: 973 [2021-03-12 08:11:17,445 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 1117 DAG size of output: 1125 [2021-03-12 08:11:17,620 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 1381 DAG size of output: 1158 [2021-03-12 08:11:19,464 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 1969 DAG size of output: 1612 [2021-03-12 08:11:19,764 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 1990 DAG size of output: 1633 [2021-03-12 08:11:20,310 WARN L205 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 2977 DAG size of output: 2504 [2021-03-12 08:11:20,964 WARN L205 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 3664 DAG size of output: 3170 [2021-03-12 08:11:21,686 WARN L205 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 3665 DAG size of output: 3165 [2021-03-12 08:11:22,641 WARN L205 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 3828 DAG size of output: 3307 [2021-03-12 08:11:22,930 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 597 DAG size of output: 762 [2021-03-12 08:11:24,502 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 666 DAG size of output: 624 [2021-03-12 08:11:25,886 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 1044 DAG size of output: 977 [2021-03-12 08:11:26,043 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 1066 DAG size of output: 992 [2021-03-12 08:11:29,576 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 1113 DAG size of output: 1107 [2021-03-12 08:11:29,770 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 1135 DAG size of output: 1110 [2021-03-12 08:11:29,992 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 1130 [2021-03-12 08:11:30,350 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 1986 DAG size of output: 1919 [2021-03-12 08:11:30,752 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 2247 DAG size of output: 2053 [2021-03-12 08:11:32,630 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 821 DAG size of output: 676 [2021-03-12 08:11:32,743 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 923 DAG size of output: 679 [2021-03-12 08:11:33,264 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 2959 DAG size of output: 2569 [2021-03-12 08:11:33,861 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 2962 DAG size of output: 2572 [2021-03-12 08:11:35,133 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 6145 DAG size of output: 5049 [2021-03-12 08:11:38,011 WARN L205 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 14298 DAG size of output: 11123 [2021-03-12 08:11:42,958 WARN L205 SmtUtils]: Spent 4.85 s on a formula simplification. DAG size of input: 22836 DAG size of output: 16311 [2021-03-12 08:11:47,936 WARN L205 SmtUtils]: Spent 4.84 s on a formula simplification. DAG size of input: 22836 DAG size of output: 16311 [2021-03-12 08:11:53,289 WARN L205 SmtUtils]: Spent 5.25 s on a formula simplification. DAG size of input: 22851 DAG size of output: 16326 [2021-03-12 08:11:56,879 WARN L205 SmtUtils]: Spent 3.51 s on a formula simplification. DAG size of input: 16320 DAG size of output: 16017 [2021-03-12 08:12:01,868 WARN L205 SmtUtils]: Spent 4.84 s on a formula simplification. DAG size of input: 16019 DAG size of output: 17458 [2021-03-12 08:12:03,829 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 8798 DAG size of output: 8842 [2021-03-12 08:12:06,227 WARN L205 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 8433 DAG size of output: 10247 [2021-03-12 08:12:07,739 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 8283 DAG size of output: 8210 [2021-03-12 08:12:08,338 WARN L205 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 4000 DAG size of output: 4000 [2021-03-12 08:12:08,740 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 2400 DAG size of output: 2445 [2021-03-12 08:12:09,020 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 2304 DAG size of output: 2184 [2021-03-12 08:12:09,214 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 1597 DAG size of output: 1573 [2021-03-12 08:12:09,389 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 1546 [2021-03-12 08:12:09,515 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2021-03-12 08:12:09,641 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 1070 [2021-03-12 08:12:09,782 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 1070 DAG size of output: 1107 [2021-03-12 08:12:09,927 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 1065 [2021-03-12 08:12:13,378 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 878 DAG size of output: 590 [2021-03-12 08:12:13,496 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 931 DAG size of output: 640 [2021-03-12 08:12:13,620 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 640 [2021-03-12 08:12:14,285 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 1071 DAG size of output: 680 [2021-03-12 08:12:14,449 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 1413 DAG size of output: 744 [2021-03-12 08:12:14,627 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 1435 DAG size of output: 757 [2021-03-12 08:12:16,562 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 2011 DAG size of output: 1118 [2021-03-12 08:12:16,905 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 2209 DAG size of output: 1310 [2021-03-12 08:12:17,198 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 1869 DAG size of output: 1860 [2021-03-12 08:12:17,434 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 1672 DAG size of output: 1643 [2021-03-12 08:12:17,699 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 1618 DAG size of output: 1596 [2021-03-12 08:12:17,909 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 1594 DAG size of output: 1589 [2021-03-12 08:12:20,335 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 991 DAG size of output: 718 [2021-03-12 08:12:20,453 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 1179 DAG size of output: 791 [2021-03-12 08:12:20,620 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 983 DAG size of output: 1068 [2021-03-12 08:12:20,743 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 978 DAG size of output: 978 [2021-03-12 08:12:24,022 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 1038 DAG size of output: 770 [2021-03-12 08:12:24,167 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 1234 DAG size of output: 861 [2021-03-12 08:12:24,336 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 1378 DAG size of output: 995 [2021-03-12 08:12:24,639 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 2380 DAG size of output: 1565 [2021-03-12 08:12:24,943 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 2381 DAG size of output: 1445 [2021-03-12 08:12:25,307 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 2398 DAG size of output: 1442 [2021-03-12 08:12:25,641 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 2557 DAG size of output: 1533 [2021-03-12 08:12:26,268 WARN L205 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 4463 DAG size of output: 2486 [2021-03-12 08:12:26,944 WARN L205 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 4464 DAG size of output: 2437 [2021-03-12 08:12:28,025 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 6866 DAG size of output: 3926 [2021-03-12 08:12:29,155 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 7307 DAG size of output: 3953 [2021-03-12 08:12:31,590 WARN L205 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 18425 DAG size of output: 8255 [2021-03-12 08:12:34,036 WARN L205 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 18425 DAG size of output: 8255 [2021-03-12 08:12:36,585 WARN L205 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 18430 DAG size of output: 8260 [2021-03-12 08:12:37,311 WARN L205 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 3858 DAG size of output: 3615 [2021-03-12 08:12:37,864 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 3588 DAG size of output: 2953 [2021-03-12 08:12:38,330 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 2008 DAG size of output: 2275 [2021-03-12 08:12:38,694 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 1982 DAG size of output: 2118 [2021-03-12 08:12:38,965 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 1947 DAG size of output: 1853 [2021-03-12 08:12:39,237 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 1825 DAG size of output: 1823 [2021-03-12 08:12:39,405 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 1281 DAG size of output: 1281 [2021-03-12 08:12:39,609 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 1261 DAG size of output: 1261 [2021-03-12 08:12:39,762 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1252 DAG size of output: 1252 [2021-03-12 08:12:39,870 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 634 DAG size of output: 723 [2021-03-12 08:12:40,467 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 730 DAG size of output: 773 [2021-03-12 08:12:41,222 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 1089 DAG size of output: 613 [2021-03-12 08:12:42,132 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 1448 DAG size of output: 755 [2021-03-12 08:12:42,256 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 1899 DAG size of output: 779 [2021-03-12 08:12:42,419 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 2846 DAG size of output: 882 [2021-03-12 08:12:42,632 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 2917 DAG size of output: 883 [2021-03-12 08:12:43,559 WARN L205 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 4647 DAG size of output: 4771 [2021-03-12 08:12:44,109 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 4240 DAG size of output: 2333 [2021-03-12 08:12:44,395 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 1682 DAG size of output: 1686 [2021-03-12 08:12:44,654 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 1624 DAG size of output: 1647 [2021-03-12 08:12:44,874 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 1528 DAG size of output: 1537 [2021-03-12 08:12:45,097 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 1487 DAG size of output: 1537 [2021-03-12 08:12:45,319 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 1468 DAG size of output: 1468 [2021-03-12 08:12:45,449 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 809 DAG size of output: 943 [2021-03-12 08:12:45,642 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 772 DAG size of output: 904 [2021-03-12 08:12:46,794 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 846 DAG size of output: 1149 [2021-03-12 08:12:48,532 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 2454 DAG size of output: 607 [2021-03-12 08:12:48,745 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 3424 DAG size of output: 1385 [2021-03-12 08:12:49,120 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 6129 DAG size of output: 2118 [2021-03-12 08:12:49,542 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 6129 DAG size of output: 2118 [2021-03-12 08:12:49,929 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 6134 DAG size of output: 2127 [2021-03-12 08:12:50,210 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 2129 DAG size of output: 1963 [2021-03-12 08:12:50,420 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 1913 DAG size of output: 1900 [2021-03-12 08:12:50,817 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 610 [2021-03-12 08:12:53,130 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 906 [2021-03-12 08:12:53,255 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 684 DAG size of output: 814 [2021-03-12 08:12:55,396 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 1106 DAG size of output: 556 [2021-03-12 08:12:56,392 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 1565 DAG size of output: 702 [2021-03-12 08:12:58,629 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 868 [2021-03-12 08:13:01,784 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 1294 DAG size of output: 858 [2021-03-12 08:13:01,960 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 1633 DAG size of output: 858 [2021-03-12 08:13:02,112 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 1922 DAG size of output: 965 [2021-03-12 08:13:03,361 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 2577 DAG size of output: 1081 [2021-03-12 08:13:03,685 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 3275 DAG size of output: 1346 [2021-03-12 08:13:04,197 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 5859 DAG size of output: 2418 [2021-03-12 08:13:04,789 WARN L205 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 5945 DAG size of output: 2471 [2021-03-12 08:13:05,335 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 5945 DAG size of output: 2471 [2021-03-12 08:13:05,926 WARN L205 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 5950 DAG size of output: 2476 [2021-03-12 08:13:06,279 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 2476 DAG size of output: 2297 [2021-03-12 08:13:06,598 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 2254 DAG size of output: 1494 [2021-03-12 08:13:06,760 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 963 DAG size of output: 1120 [2021-03-12 08:13:07,835 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1113 DAG size of output: 717 [2021-03-12 08:13:08,705 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 1464 DAG size of output: 962 [2021-03-12 08:13:08,882 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 1489 DAG size of output: 984 [2021-03-12 08:13:09,098 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 1489 DAG size of output: 984 [2021-03-12 08:13:09,276 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 1491 DAG size of output: 987 [2021-03-12 08:13:09,433 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 989 DAG size of output: 1257 [2021-03-12 08:13:09,546 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 809 DAG size of output: 597 [2021-03-12 08:13:10,090 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 08:13:10,091 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 08:13:10,092 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 08:13:10,092 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:3 [2021-03-12 08:13:10,097 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 08:13:10,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 08:13:10,098 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 42 [2021-03-12 08:13:10,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022937793] [2021-03-12 08:13:10,098 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-03-12 08:13:10,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 08:13:10,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-03-12 08:13:10,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=1700, Unknown=0, NotChecked=0, Total=1806 [2021-03-12 08:13:10,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 08:13:10,099 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 08:13:10,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.186046511627907) internal successors, (51), 42 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 08:13:10,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:13:10,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:13:10,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 08:13:10,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 08:13:10,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 08:13:10,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:13:10,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:13:10,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:13:10,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 08:13:10,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 08:13:10,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:13:10,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 08:13:10,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 08:13:10,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 08:13:10,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 08:13:10,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-03-12 08:13:10,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 08:13:10,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-12 08:13:10,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 08:13:10,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:13:10,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:13:10,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 08:13:10,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 08:13:10,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 08:13:10,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:13:10,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:13:10,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:13:10,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 08:13:10,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 08:13:10,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:13:10,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 08:13:10,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 08:13:10,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 08:13:10,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 08:13:10,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 08:13:10,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 08:13:10,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 08:13:10,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-12 08:13:10,842 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18746,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 08:13:10,842 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 08:13:10,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 08:13:10,843 INFO L82 PathProgramCache]: Analyzing trace with hash -405304205, now seen corresponding path program 17 times [2021-03-12 08:13:10,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 08:13:10,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421559028] [2021-03-12 08:13:10,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 08:13:10,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 08:13:11,159 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 08:13:11,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421559028] [2021-03-12 08:13:11,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1372472077] [2021-03-12 08:13:11,160 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 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 08:13:11,194 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-03-12 08:13:11,194 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 08:13:11,196 WARN L261 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 67 conjunts are in the unsatisfiable core [2021-03-12 08:13:11,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 08:13:12,399 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 339 [2021-03-12 08:13:12,399 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 08:13:12,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 25 new quantified variables, introduced 78 case distinctions, treesize of input 59 treesize of output 667 [2021-03-12 08:13:17,394 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 1954 DAG size of output: 1547 [2021-03-12 08:13:17,541 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1998 DAG size of output: 1590 [2021-03-12 08:13:17,695 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 2025 DAG size of output: 1617 [2021-03-12 08:13:17,998 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 3337 DAG size of output: 2495 [2021-03-12 08:13:18,255 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 3337 DAG size of output: 2495 [2021-03-12 08:13:18,549 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 3360 DAG size of output: 2518 [2021-03-12 08:13:18,755 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 2509 DAG size of output: 2506 [2021-03-12 08:13:19,010 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 2508 DAG size of output: 2523 [2021-03-12 08:13:19,225 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 2497 DAG size of output: 2494 [2021-03-12 08:13:19,456 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 1589 DAG size of output: 1968 [2021-03-12 08:13:19,596 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 1586 DAG size of output: 1595 [2021-03-12 08:13:19,745 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 1583 DAG size of output: 1663 [2021-03-12 08:13:19,863 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1578 DAG size of output: 1578 [2021-03-12 08:13:19,995 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 1557 DAG size of output: 1557 [2021-03-12 08:13:20,108 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 1552 [2021-03-12 08:13:21,207 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 1510 [2021-03-12 08:13:23,036 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 1494 DAG size of output: 1104 [2021-03-12 08:13:24,539 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 2657 DAG size of output: 1450 [2021-03-12 08:13:24,739 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 3267 DAG size of output: 1895 [2021-03-12 08:13:24,954 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 3290 DAG size of output: 1917 [2021-03-12 08:13:25,179 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 3310 DAG size of output: 1936 [2021-03-12 08:13:25,425 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 3445 DAG size of output: 2035 [2021-03-12 08:13:25,684 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 3487 DAG size of output: 2073 [2021-03-12 08:13:26,021 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 3913 DAG size of output: 2323 [2021-03-12 08:13:26,187 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 1154 DAG size of output: 1549 [2021-03-12 08:13:26,403 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 1148 DAG size of output: 1246 [2021-03-12 08:13:26,707 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 1117 DAG size of output: 1161 [2021-03-12 08:13:28,669 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 1843 DAG size of output: 1102 [2021-03-12 08:13:28,785 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1881 DAG size of output: 1136 [2021-03-12 08:13:28,940 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 2316 DAG size of output: 1394 [2021-03-12 08:13:29,426 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 5749 DAG size of output: 3310 [2021-03-12 08:13:29,914 WARN L205 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 5779 DAG size of output: 3337 [2021-03-12 08:13:30,430 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 5779 DAG size of output: 3337 [2021-03-12 08:13:31,045 WARN L205 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 5791 DAG size of output: 3379 [2021-03-12 08:13:31,515 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 3344 DAG size of output: 3420 [2021-03-12 08:13:31,993 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 3280 DAG size of output: 3293 [2021-03-12 08:13:32,353 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 3216 DAG size of output: 3216 [2021-03-12 08:13:32,766 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 3191 DAG size of output: 3115 [2021-03-12 08:13:33,269 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 3087 DAG size of output: 3174 [2021-03-12 08:13:33,542 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 2011 DAG size of output: 1913 [2021-03-12 08:13:33,705 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 1693 [2021-03-12 08:13:35,686 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 1004 DAG size of output: 1200 [2021-03-12 08:13:38,572 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 2067 DAG size of output: 912 [2021-03-12 08:13:38,769 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 2374 DAG size of output: 1168 [2021-03-12 08:13:39,082 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 3536 DAG size of output: 2226 [2021-03-12 08:13:39,458 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 3594 DAG size of output: 2268 [2021-03-12 08:13:39,814 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 3621 DAG size of output: 2239 [2021-03-12 08:13:40,195 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 3728 DAG size of output: 2298 [2021-03-12 08:13:40,661 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 3943 DAG size of output: 2495 [2021-03-12 08:13:41,106 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 4030 DAG size of output: 2583 [2021-03-12 08:13:41,554 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 4030 DAG size of output: 2583 [2021-03-12 08:13:42,042 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 4035 DAG size of output: 2581 [2021-03-12 08:13:42,512 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 2583 DAG size of output: 2779 [2021-03-12 08:13:43,071 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 2278 DAG size of output: 3164 [2021-03-12 08:13:43,511 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 1697 DAG size of output: 2269 [2021-03-12 08:13:43,773 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 1451 DAG size of output: 1548 [2021-03-12 08:13:43,910 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 1097 DAG size of output: 994 [2021-03-12 08:13:44,394 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 873 DAG size of output: 1198 [2021-03-12 08:13:44,529 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 785 DAG size of output: 999 [2021-03-12 08:13:44,704 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 755 DAG size of output: 1074 [2021-03-12 08:13:47,613 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1336 DAG size of output: 714 [2021-03-12 08:13:47,743 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 1337 DAG size of output: 717 [2021-03-12 08:13:47,920 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 1470 DAG size of output: 809 [2021-03-12 08:13:48,137 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 2186 DAG size of output: 1283 [2021-03-12 08:13:48,343 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 1606 DAG size of output: 1604 [2021-03-12 08:13:48,548 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 1539 DAG size of output: 1539 [2021-03-12 08:13:48,709 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 1381 DAG size of output: 1381 [2021-03-12 08:13:49,448 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 1324 DAG size of output: 1284 [2021-03-12 08:13:49,693 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 1275 DAG size of output: 1269 [2021-03-12 08:13:49,857 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 941 DAG size of output: 1256 [2021-03-12 08:13:51,449 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 875 [2021-03-12 08:13:52,694 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 1145 DAG size of output: 623 [2021-03-12 08:13:52,841 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 1729 DAG size of output: 979 [2021-03-12 08:13:53,020 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 1761 DAG size of output: 1012 [2021-03-12 08:13:53,223 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 2055 DAG size of output: 1192 [2021-03-12 08:13:53,540 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 2199 DAG size of output: 1322 [2021-03-12 08:13:53,786 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 2262 DAG size of output: 1363 [2021-03-12 08:13:54,287 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 3895 DAG size of output: 2281 [2021-03-12 08:13:54,794 WARN L205 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 2028 DAG size of output: 2639 [2021-03-12 08:13:55,000 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 1660 DAG size of output: 1652 [2021-03-12 08:13:55,201 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 1623 DAG size of output: 1623 [2021-03-12 08:13:55,835 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 1493 DAG size of output: 1601 [2021-03-12 08:13:55,970 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 1135 DAG size of output: 1042 [2021-03-12 08:13:56,143 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 1023 DAG size of output: 1243 [2021-03-12 08:13:56,260 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 885 [2021-03-12 08:13:56,372 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 924 [2021-03-12 08:13:57,812 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 1038 [2021-03-12 08:13:58,100 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 1052 [2021-03-12 08:13:58,322 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 690 DAG size of output: 833 [2021-03-12 08:13:59,754 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 943 DAG size of output: 758 [2021-03-12 08:14:00,116 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 1056 DAG size of output: 809 [2021-03-12 08:14:00,312 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 1766 DAG size of output: 1200 [2021-03-12 08:14:00,539 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 1941 DAG size of output: 1296 [2021-03-12 08:14:00,778 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 1967 DAG size of output: 1313 [2021-03-12 08:14:01,045 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 1954 DAG size of output: 1952 [2021-03-12 08:14:01,460 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 1885 DAG size of output: 2090 [2021-03-12 08:14:01,633 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 1388 DAG size of output: 1370 [2021-03-12 08:14:01,961 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1250 DAG size of output: 1248 [2021-03-12 08:14:02,393 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 1202 DAG size of output: 1166 [2021-03-12 08:14:02,547 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 1155 DAG size of output: 1155 [2021-03-12 08:14:02,778 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 1131 DAG size of output: 1416 [2021-03-12 08:14:02,942 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 946 DAG size of output: 1130 [2021-03-12 08:14:04,367 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 820 DAG size of output: 949 [2021-03-12 08:14:04,484 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 743 DAG size of output: 969 [2021-03-12 08:14:05,754 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 963 DAG size of output: 786 [2021-03-12 08:14:05,876 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 1135 DAG size of output: 884 [2021-03-12 08:14:06,013 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 1196 DAG size of output: 913 [2021-03-12 08:14:06,260 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 2191 DAG size of output: 1524 [2021-03-12 08:14:06,582 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 2245 DAG size of output: 1553 [2021-03-12 08:14:07,124 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 3475 DAG size of output: 2322 [2021-03-12 08:14:08,109 WARN L205 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 6866 DAG size of output: 4100 [2021-03-12 08:14:09,199 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 7402 DAG size of output: 4105 [2021-03-12 08:14:10,281 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 7402 DAG size of output: 4105 [2021-03-12 08:14:11,391 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 7407 DAG size of output: 4110 [2021-03-12 08:14:11,913 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 4112 DAG size of output: 2364 [2021-03-12 08:14:12,350 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 2072 DAG size of output: 1846 [2021-03-12 08:14:12,623 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 1675 DAG size of output: 1494 [2021-03-12 08:14:14,619 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 1191 DAG size of output: 858 [2021-03-12 08:14:14,772 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 841 DAG size of output: 972 [2021-03-12 08:14:17,212 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 1057 DAG size of output: 813 [2021-03-12 08:14:17,421 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 1945 DAG size of output: 1310 [2021-03-12 08:14:18,163 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 2171 DAG size of output: 1451 [2021-03-12 08:14:18,467 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 2265 DAG size of output: 1520 [2021-03-12 08:14:18,727 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 2265 DAG size of output: 1520 [2021-03-12 08:14:18,994 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 2267 DAG size of output: 1522 [2021-03-12 08:14:19,125 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 1526 DAG size of output: 877 [2021-03-12 08:14:19,715 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 08:14:19,717 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 08:14:19,717 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 08:14:19,717 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:59, output treesize:3 [2021-03-12 08:14:19,723 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 08:14:19,723 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 08:14:19,723 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 42 [2021-03-12 08:14:19,723 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642297846] [2021-03-12 08:14:19,723 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-03-12 08:14:19,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 08:14:19,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-03-12 08:14:19,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=1702, Unknown=0, NotChecked=0, Total=1806 [2021-03-12 08:14:19,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 08:14:19,724 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 08:14:19,725 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.2325581395348837) internal successors, (53), 42 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 08:14:19,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:14:19,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:14:19,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 08:14:19,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 08:14:19,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 08:14:19,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:14:19,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:14:19,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:14:19,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 08:14:19,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 08:14:19,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:14:19,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 08:14:19,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 08:14:19,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 08:14:19,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 08:14:19,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-03-12 08:14:19,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 08:14:19,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-12 08:14:19,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-03-12 08:14:19,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 08:14:20,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:14:20,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:14:20,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 08:14:20,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 08:14:20,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 08:14:20,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:14:20,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:14:20,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:14:20,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 08:14:20,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 08:14:20,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:14:20,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 08:14:20,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 08:14:20,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 08:14:20,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 08:14:20,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 08:14:20,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 08:14:20,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 08:14:20,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-12 08:14:20,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 08:14:20,667 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42157 [2021-03-12 08:14:20,667 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 08:14:20,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 08:14:20,668 INFO L82 PathProgramCache]: Analyzing trace with hash 1710426489, now seen corresponding path program 18 times [2021-03-12 08:14:20,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 08:14:20,668 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206782346] [2021-03-12 08:14:20,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 08:14:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 08:14:20,876 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 78 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 08:14:20,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206782346] [2021-03-12 08:14:20,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438055192] [2021-03-12 08:14:20,876 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 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 08:14:20,911 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-03-12 08:14:20,911 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 08:14:20,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 22 conjunts are in the unsatisfiable core [2021-03-12 08:14:20,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 08:14:20,989 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 91 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 08:14:20,990 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 08:14:20,990 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 23 [2021-03-12 08:14:20,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310102199] [2021-03-12 08:14:20,990 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-03-12 08:14:20,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 08:14:20,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-03-12 08:14:20,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=394, Unknown=0, NotChecked=0, Total=552 [2021-03-12 08:14:20,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 08:14:20,991 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 08:14:20,991 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.375) internal successors, (33), 23 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) [2021-03-12 08:14:20,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:14:20,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:14:20,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 08:14:20,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 08:14:20,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 08:14:20,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:14:20,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:14:20,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:14:20,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 08:14:20,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 08:14:20,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:14:20,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 08:14:20,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 08:14:20,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 08:14:20,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 08:14:20,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-03-12 08:14:20,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 08:14:20,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-12 08:14:20,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-03-12 08:14:20,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 08:14:20,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 08:14:21,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:14:21,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 08:14:21,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 08:14:21,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 08:14:21,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 08:14:21,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:14:21,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:14:21,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 08:14:21,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 08:14:21,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 08:14:21,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 08:14:21,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 08:14:21,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 08:14:21,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 08:14:21,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 08:14:21,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 08:14:21,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 08:14:21,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 08:14:21,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-12 08:14:21,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 08:14:21,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-12 08:14:21,496 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51162,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 08:14:21,496 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 08:14:21,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 08:14:21,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1985742264, now seen corresponding path program 19 times [2021-03-12 08:14:21,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 08:14:21,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271529333] [2021-03-12 08:14:21,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 08:14:21,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 08:14:21,898 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 08:14:21,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271529333] [2021-03-12 08:14:21,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210534065] [2021-03-12 08:14:21,899 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 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 08:14:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 08:14:21,930 WARN L261 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 74 conjunts are in the unsatisfiable core [2021-03-12 08:14:21,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 08:14:23,474 WARN L205 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2021-03-12 08:14:23,475 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 08:14:23,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 27 new quantified variables, introduced 91 case distinctions, treesize of input 63 treesize of output 774 [2021-03-12 08:14:26,849 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 731 DAG size of output: 611 [2021-03-12 08:14:26,977 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 1319 DAG size of output: 1082 [2021-03-12 08:14:28,815 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 963 DAG size of output: 862 [2021-03-12 08:14:30,705 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 846 DAG size of output: 747 [2021-03-12 08:14:31,250 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 1718 DAG size of output: 1504 [2021-03-12 08:14:31,562 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 2711 DAG size of output: 2240 [2021-03-12 08:14:31,881 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 2711 DAG size of output: 2240 [2021-03-12 08:14:32,277 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 2734 DAG size of output: 2263 [2021-03-12 08:14:32,946 WARN L205 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 2265 DAG size of output: 2760 [2021-03-12 08:14:33,646 WARN L205 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 2214 DAG size of output: 2345 [2021-03-12 08:14:33,967 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 2206 DAG size of output: 2185 [2021-03-12 08:14:34,105 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 1060 [2021-03-12 08:14:34,248 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 714 DAG size of output: 839 [2021-03-12 08:14:34,395 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 922 [2021-03-12 08:14:34,526 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 873 [2021-03-12 08:14:34,662 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 765 [2021-03-12 08:14:34,814 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 791 [2021-03-12 08:14:37,897 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1059 DAG size of output: 974 [2021-03-12 08:14:38,053 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1251 DAG size of output: 1159 [2021-03-12 08:14:38,186 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 424 DAG size of output: 560 [2021-03-12 08:14:39,417 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 816 [2021-03-12 08:14:39,686 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 1672 DAG size of output: 1653 [2021-03-12 08:14:43,232 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 875 [2021-03-12 08:14:43,469 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 1478 DAG size of output: 1278 [2021-03-12 08:14:43,936 WARN L205 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 2806 DAG size of output: 2648 [2021-03-12 08:14:46,688 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 1268 DAG size of output: 1210 [2021-03-12 08:14:46,876 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 1290 DAG size of output: 1224 [2021-03-12 08:14:49,163 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 1013 DAG size of output: 847 [2021-03-12 08:14:49,500 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 1918 DAG size of output: 1735 [2021-03-12 08:14:50,304 WARN L205 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 4108 DAG size of output: 3861 [2021-03-12 08:14:54,737 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 894 DAG size of output: 855 [2021-03-12 08:14:54,969 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 1472 DAG size of output: 1415 [2021-03-12 08:14:57,423 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 1102 DAG size of output: 1097 [2021-03-12 08:14:59,547 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 996 DAG size of output: 930 [2021-03-12 08:14:59,867 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 1885 DAG size of output: 1855 [2021-03-12 08:15:00,392 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 2979 DAG size of output: 2592 [2021-03-12 08:15:01,070 WARN L205 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 3330 DAG size of output: 2923 [2021-03-12 08:15:01,269 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 606 [2021-03-12 08:15:03,239 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 1034 DAG size of output: 935 [2021-03-12 08:15:03,710 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 1354 DAG size of output: 1208 [2021-03-12 08:15:06,067 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 1049 DAG size of output: 1054 [2021-03-12 08:15:06,912 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 1683 DAG size of output: 1619 [2021-03-12 08:15:07,342 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 2475 DAG size of output: 2361 [2021-03-12 08:15:09,196 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 895 DAG size of output: 878 [2021-03-12 08:15:10,840 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 1440 DAG size of output: 1361 [2021-03-12 08:15:11,411 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 1717 DAG size of output: 1614 [2021-03-12 08:15:12,120 WARN L205 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 3510 DAG size of output: 3419 [2021-03-12 08:15:13,442 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 5856 DAG size of output: 5538 [2021-03-12 08:15:14,851 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 5911 DAG size of output: 5557 [2021-03-12 08:15:17,148 WARN L205 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 9470 DAG size of output: 8715 [2021-03-12 08:15:19,947 WARN L205 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 9893 DAG size of output: 8955 [2021-03-12 08:15:22,367 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 931 DAG size of output: 625 [2021-03-12 08:15:22,541 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 1625 DAG size of output: 1180 [2021-03-12 08:15:24,074 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 968 DAG size of output: 790 [2021-03-12 08:15:24,377 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 2310 DAG size of output: 1732 [2021-03-12 08:15:27,170 WARN L205 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 11843 DAG size of output: 10408 [2021-03-12 08:15:30,185 WARN L205 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 12069 DAG size of output: 10662 [2021-03-12 08:15:33,329 WARN L205 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 12304 DAG size of output: 10799 [2021-03-12 08:15:36,790 WARN L205 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 12623 DAG size of output: 11076 [2021-03-12 08:15:37,001 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 770 [2021-03-12 08:15:42,112 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 1222 DAG size of output: 1178 [2021-03-12 08:15:42,275 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 1295 DAG size of output: 1237 [2021-03-12 08:15:44,015 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 990 [2021-03-12 08:15:46,154 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 1517 DAG size of output: 1293 [2021-03-12 08:15:46,399 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 2085 DAG size of output: 1873 [2021-03-12 08:15:46,845 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 3132 DAG size of output: 2873 [2021-03-12 08:15:49,457 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 1199 DAG size of output: 1078 [2021-03-12 08:15:49,625 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 1771 DAG size of output: 1614 [2021-03-12 08:15:52,135 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 1473 DAG size of output: 1347 [2021-03-12 08:15:52,484 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 2646 DAG size of output: 2378 [2021-03-12 08:15:54,870 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 1314 DAG size of output: 1284 [2021-03-12 08:15:57,167 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1313 DAG size of output: 1108 [2021-03-12 08:15:59,056 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 1157 DAG size of output: 1094 [2021-03-12 08:15:59,197 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1231 DAG size of output: 1163 [2021-03-12 08:15:59,486 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 2206 DAG size of output: 1970 [2021-03-12 08:15:59,937 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 3256 DAG size of output: 2982 [2021-03-12 08:16:00,778 WARN L205 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 4900 DAG size of output: 4652 [2021-03-12 08:16:02,608 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1221 DAG size of output: 1050 [2021-03-12 08:16:03,823 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 1852 DAG size of output: 1640 [2021-03-12 08:16:06,236 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 1417 DAG size of output: 1310 [2021-03-12 08:16:06,584 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 2751 DAG size of output: 2408 [2021-03-12 08:16:08,252 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 8107 DAG size of output: 7809 [2021-03-12 08:16:10,882 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 1152 DAG size of output: 972 [2021-03-12 08:16:11,763 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 1169 DAG size of output: 1060 [2021-03-12 08:16:13,476 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 1267 DAG size of output: 1175 [2021-03-12 08:16:15,443 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 1141 DAG size of output: 965 [2021-03-12 08:16:16,236 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1158 DAG size of output: 1056 [2021-03-12 08:16:17,877 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 1256 DAG size of output: 1171 [2021-03-12 08:16:18,314 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 2376 DAG size of output: 2190 [2021-03-12 08:16:20,538 WARN L205 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 10534 DAG size of output: 10078 [2021-03-12 08:16:23,444 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 1090 DAG size of output: 1011 [2021-03-12 08:16:23,667 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 1496 DAG size of output: 1466 [2021-03-12 08:16:24,469 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 2068 DAG size of output: 1823 [2021-03-12 08:16:27,070 WARN L205 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 12450 DAG size of output: 11688 [2021-03-12 08:16:29,891 WARN L205 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 13101 DAG size of output: 12266 [2021-03-12 08:16:32,872 WARN L205 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 13395 DAG size of output: 12440 [2021-03-12 08:16:36,038 WARN L205 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 14397 DAG size of output: 13079 [2021-03-12 08:16:39,357 WARN L205 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 14649 DAG size of output: 13223 [2021-03-12 08:16:42,865 WARN L205 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 14977 DAG size of output: 13506 [2021-03-12 08:16:47,471 WARN L205 SmtUtils]: Spent 3.62 s on a formula simplification. DAG size of input: 15194 DAG size of output: 13738 [2021-03-12 08:16:54,637 WARN L205 SmtUtils]: Spent 7.06 s on a formula simplification. DAG size of input: 26745 DAG size of output: 23370 [2021-03-12 08:16:54,874 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 851 [2021-03-12 08:16:55,002 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 954 [2021-03-12 08:16:55,116 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 655 DAG size of output: 927 [2021-03-12 08:16:55,229 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 650 DAG size of output: 911 [2021-03-12 08:16:59,161 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 997 DAG size of output: 862 [2021-03-12 08:17:00,238 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 1732 DAG size of output: 1508 [2021-03-12 08:17:00,494 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 1999 DAG size of output: 1657 [2021-03-12 08:17:04,571 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 1261 DAG size of output: 1207 [2021-03-12 08:17:04,726 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1380 DAG size of output: 1286 [2021-03-12 08:17:05,036 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 2319 DAG size of output: 2179 [2021-03-12 08:17:05,598 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 3783 DAG size of output: 3037 [2021-03-12 08:17:07,077 WARN L205 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 4152 DAG size of output: 3383 [2021-03-12 08:17:08,760 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 1017 DAG size of output: 785 [2021-03-12 08:17:08,926 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 598 [2021-03-12 08:17:10,223 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1000 DAG size of output: 921 [2021-03-12 08:17:10,574 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 1271 DAG size of output: 1151 [2021-03-12 08:17:10,876 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 1888 DAG size of output: 1608 [2021-03-12 08:17:12,430 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 1244 DAG size of output: 1149 [2021-03-12 08:17:13,680 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 1820 DAG size of output: 1729 [2021-03-12 08:17:14,667 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 755 DAG size of output: 645 [2021-03-12 08:17:15,916 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 1404 DAG size of output: 1234 [2021-03-12 08:17:16,267 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 2664 DAG size of output: 2563 [2021-03-12 08:17:16,931 WARN L205 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 3829 DAG size of output: 3556 [2021-03-12 08:17:17,616 WARN L205 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 4064 DAG size of output: 3714 [2021-03-12 08:17:18,960 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 7138 DAG size of output: 6235 [2021-03-12 08:17:19,695 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 456 DAG size of output: 614 [2021-03-12 08:17:22,648 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 924 DAG size of output: 881 [2021-03-12 08:17:22,858 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 1542 DAG size of output: 1430 [2021-03-12 08:17:23,114 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 1772 DAG size of output: 1590 [2021-03-12 08:17:23,503 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 2049 DAG size of output: 1818 [2021-03-12 08:17:26,132 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 1221 DAG size of output: 1101 [2021-03-12 08:17:26,330 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 1713 DAG size of output: 1582 [2021-03-12 08:17:28,577 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 1317 DAG size of output: 1181 [2021-03-12 08:17:28,931 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 2506 DAG size of output: 2399 [2021-03-12 08:17:29,379 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 2728 DAG size of output: 2579 [2021-03-12 08:17:30,095 WARN L205 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 4060 DAG size of output: 3794 [2021-03-12 08:17:32,785 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 1055 DAG size of output: 961 [2021-03-12 08:17:34,503 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 1745 DAG size of output: 1637 [2021-03-12 08:17:34,811 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 2011 DAG size of output: 1797 [2021-03-12 08:17:39,052 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1244 DAG size of output: 1209 [2021-03-12 08:17:39,212 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 1371 DAG size of output: 1304 [2021-03-12 08:17:39,526 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 2160 DAG size of output: 2102 [2021-03-12 08:17:40,056 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 3647 DAG size of output: 3063 [2021-03-12 08:17:40,833 WARN L205 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 3970 DAG size of output: 3377 [2021-03-12 08:17:42,240 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 7065 DAG size of output: 6258 [2021-03-12 08:17:45,100 WARN L205 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 13484 DAG size of output: 11267 [2021-03-12 08:17:46,382 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 815 DAG size of output: 673 [2021-03-12 08:17:48,067 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 1432 DAG size of output: 1098 [2021-03-12 08:17:50,541 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 1206 DAG size of output: 964 [2021-03-12 08:17:50,971 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 2424 DAG size of output: 1788 [2021-03-12 08:17:54,304 WARN L205 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 15746 DAG size of output: 12900 [2021-03-12 08:17:59,124 WARN L205 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 16353 DAG size of output: 13473 [2021-03-12 08:18:04,235 WARN L205 SmtUtils]: Spent 3.80 s on a formula simplification. DAG size of input: 17666 DAG size of output: 14071 [2021-03-12 08:18:08,286 WARN L205 SmtUtils]: Spent 3.96 s on a formula simplification. DAG size of input: 17919 DAG size of output: 14391 [2021-03-12 08:18:12,572 WARN L205 SmtUtils]: Spent 4.19 s on a formula simplification. DAG size of input: 18270 DAG size of output: 14573 [2021-03-12 08:18:17,068 WARN L205 SmtUtils]: Spent 4.39 s on a formula simplification. DAG size of input: 18574 DAG size of output: 14802 [2021-03-12 08:18:17,267 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 651 DAG size of output: 927 [2021-03-12 08:18:18,722 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 841 [2021-03-12 08:18:22,539 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 1398 DAG size of output: 1253 [2021-03-12 08:18:25,233 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 2259 DAG size of output: 1943 [2021-03-12 08:18:27,052 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 946 DAG size of output: 977 [2021-03-12 08:18:29,020 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 1584 DAG size of output: 1581 [2021-03-12 08:18:29,554 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 3125 DAG size of output: 2976 [2021-03-12 08:18:31,440 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1121 DAG size of output: 1051 [2021-03-12 08:18:33,419 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 1087 DAG size of output: 1007 [2021-03-12 08:18:33,706 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 1739 DAG size of output: 1689 [2021-03-12 08:18:36,109 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 963 [2021-03-12 08:18:38,331 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 1225 DAG size of output: 1105 [2021-03-12 08:18:38,611 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 2086 DAG size of output: 1855 [2021-03-12 08:18:39,734 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 5189 DAG size of output: 5120 [2021-03-12 08:18:41,228 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 5464 DAG size of output: 5420 [2021-03-12 08:18:42,678 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 5505 DAG size of output: 5370 [2021-03-12 08:18:46,000 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 1254 DAG size of output: 1164 [2021-03-12 08:18:48,043 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 1100 DAG size of output: 895 [2021-03-12 08:18:48,341 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 1982 DAG size of output: 1548 [2021-03-12 08:18:50,266 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 904 [2021-03-12 08:18:52,678 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 1367 DAG size of output: 1031 [2021-03-12 08:18:53,191 WARN L205 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 3540 DAG size of output: 2743 [2021-03-12 08:18:53,777 WARN L205 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 3752 DAG size of output: 2945 [2021-03-12 08:18:54,488 WARN L205 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 3782 DAG size of output: 2948 [2021-03-12 08:18:56,380 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 1201 DAG size of output: 1061 [2021-03-12 08:18:57,543 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 726 DAG size of output: 630 [2021-03-12 08:18:57,858 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 1737 DAG size of output: 1574 [2021-03-12 08:18:58,099 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 1758 DAG size of output: 1591 [2021-03-12 08:19:00,341 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 1304 DAG size of output: 1135 [2021-03-12 08:19:00,513 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 1332 DAG size of output: 1158 [2021-03-12 08:19:00,933 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 2755 DAG size of output: 2423 [2021-03-12 08:19:01,078 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 791 [2021-03-12 08:19:03,532 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 1211 DAG size of output: 1039 [2021-03-12 08:19:05,157 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 934 DAG size of output: 751 [2021-03-12 08:19:05,279 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 958 DAG size of output: 763 [2021-03-12 08:19:05,587 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 1912 DAG size of output: 1493 [2021-03-12 08:19:06,379 WARN L205 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 3858 DAG size of output: 3339 [2021-03-12 08:19:07,811 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 6616 DAG size of output: 5590 [2021-03-12 08:19:10,581 WARN L205 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 11460 DAG size of output: 9966 [2021-03-12 08:19:12,543 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 1214 DAG size of output: 908 [2021-03-12 08:19:14,373 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 1182 DAG size of output: 876 [2021-03-12 08:19:14,709 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 2166 DAG size of output: 1467 [2021-03-12 08:19:17,859 WARN L205 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 13202 DAG size of output: 11038 [2021-03-12 08:19:21,223 WARN L205 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 14429 DAG size of output: 11480 [2021-03-12 08:19:25,767 WARN L205 SmtUtils]: Spent 3.53 s on a formula simplification. DAG size of input: 14709 DAG size of output: 11827 [2021-03-12 08:19:29,610 WARN L205 SmtUtils]: Spent 3.77 s on a formula simplification. DAG size of input: 15008 DAG size of output: 12048 [2021-03-12 08:19:38,117 WARN L205 SmtUtils]: Spent 8.40 s on a formula simplification. DAG size of input: 32411 DAG size of output: 25107 [2021-03-12 08:19:47,019 WARN L205 SmtUtils]: Spent 8.73 s on a formula simplification. DAG size of input: 32818 DAG size of output: 25389 [2021-03-12 08:20:03,380 WARN L205 SmtUtils]: Spent 16.15 s on a formula simplification. DAG size of input: 57077 DAG size of output: 45107 [2021-03-12 08:20:20,523 WARN L205 SmtUtils]: Spent 16.83 s on a formula simplification. DAG size of input: 57471 DAG size of output: 45432 [2021-03-12 08:20:20,895 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 596 DAG size of output: 753 [2021-03-12 08:20:23,950 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 1504 DAG size of output: 1076 [2021-03-12 08:20:26,501 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 668 [2021-03-12 08:20:27,351 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 957 DAG size of output: 970 [2021-03-12 08:20:30,361 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 817 DAG size of output: 925 [2021-03-12 08:20:30,608 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 1283 DAG size of output: 1415 [2021-03-12 08:20:31,001 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 2055 DAG size of output: 2188 [2021-03-12 08:20:33,074 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 998 DAG size of output: 964 [2021-03-12 08:20:34,851 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 1112 DAG size of output: 1001 [2021-03-12 08:20:36,897 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1055 DAG size of output: 889 [2021-03-12 08:20:38,797 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 1018 DAG size of output: 971 [2021-03-12 08:20:39,037 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 1770 DAG size of output: 1581 [2021-03-12 08:20:39,520 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 2742 DAG size of output: 2659 [2021-03-12 08:20:40,481 WARN L205 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 4053 DAG size of output: 4092 [2021-03-12 08:20:42,504 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 4261 DAG size of output: 4309 [2021-03-12 08:20:43,841 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 4554 DAG size of output: 4422 [2021-03-12 08:20:45,473 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 749 DAG size of output: 693 [2021-03-12 08:20:49,595 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 1428 DAG size of output: 1345 [2021-03-12 08:20:49,927 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 2147 DAG size of output: 2088 Received shutdown request... [2021-03-12 08:20:51,034 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51163,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 08:20:51,035 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-12 08:20:51,044 WARN L224 ceAbstractionStarter]: Timeout [2021-03-12 08:20:51,044 INFO L202 PluginConnector]: Adding new model unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 08:20:51 BasicIcfg [2021-03-12 08:20:51,044 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 08:20:51,045 INFO L168 Benchmark]: Toolchain (without parser) took 836183.58 ms. Allocated memory was 255.9 MB in the beginning and 4.3 GB in the end (delta: 4.1 GB). Free memory was 236.5 MB in the beginning and 2.3 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.7 GB. Max. memory is 16.0 GB. [2021-03-12 08:20:51,045 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.26 ms. Allocated memory is still 255.9 MB. Free memory is still 237.5 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 08:20:51,045 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.53 ms. Allocated memory is still 255.9 MB. Free memory was 235.9 MB in the beginning and 234.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 08:20:51,045 INFO L168 Benchmark]: Boogie Preprocessor took 23.36 ms. Allocated memory is still 255.9 MB. Free memory was 234.4 MB in the beginning and 233.5 MB in the end (delta: 918.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 08:20:51,045 INFO L168 Benchmark]: RCFGBuilder took 488.88 ms. Allocated memory is still 255.9 MB. Free memory was 233.5 MB in the beginning and 234.5 MB in the end (delta: -1.1 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.0 GB. [2021-03-12 08:20:51,045 INFO L168 Benchmark]: TraceAbstraction took 835629.36 ms. Allocated memory was 255.9 MB in the beginning and 4.3 GB in the end (delta: 4.1 GB). Free memory was 233.9 MB in the beginning and 2.3 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.7 GB. Max. memory is 16.0 GB. [2021-03-12 08:20:51,045 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 0.26 ms. Allocated memory is still 255.9 MB. Free memory is still 237.5 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 32.53 ms. Allocated memory is still 255.9 MB. Free memory was 235.9 MB in the beginning and 234.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 23.36 ms. Allocated memory is still 255.9 MB. Free memory was 234.4 MB in the beginning and 233.5 MB in the end (delta: 918.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 488.88 ms. Allocated memory is still 255.9 MB. Free memory was 233.5 MB in the beginning and 234.5 MB in the end (delta: -1.1 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 835629.36 ms. Allocated memory was 255.9 MB in the beginning and 4.3 GB in the end (delta: 4.1 GB). Free memory was 233.9 MB in the beginning and 2.3 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.7 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 847, positive: 572, positive conditional: 572, positive unconditional: 0, negative: 275, negative conditional: 275, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 572, positive: 572, positive conditional: 572, 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: 572, positive: 572, positive conditional: 0, positive unconditional: 572, 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: 572, positive: 567, positive conditional: 0, positive unconditional: 567, 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, 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: 275 - TimeoutResultAtElement [Line: 57]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 57). Cancelled while PartialOrderCegarLoop was analyzing trace of length 32 with TraceHistMax 14,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 835464.4ms, OverallIterations: 22, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 16.7ms, PartialOrderReductionTime: 5537.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 259, 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: 114.2ms SsaConstructionTime, 473.7ms SatisfiabilityAnalysisTime, 434791.6ms InterpolantComputationTime, 830 NumberOfCodeBlocks, 830 NumberOfCodeBlocksAsserted, 87 NumberOfCheckSat, 789 ConstructedInterpolants, 0 QuantifiedInterpolants, 9623 SizeOfPredicates, 32 NumberOfNonLiveVariables, 1670 ConjunctsInSsa, 626 ConjunctsInUnsatCore, 41 InterpolantComputations, 1 PerfectInterpolantSequences, 455/1862 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