/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-New_States.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 19:09:02,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 19:09:02,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 19:09:02,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-12 19:09:02,362 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-12 19:09:02,365 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-12 19:09:02,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-12 19:09:02,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-12 19:09:02,376 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-12 19:09:02,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-12 19:09:02,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-12 19:09:02,383 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-12 19:09:02,384 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-12 19:09:02,385 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-12 19:09:02,387 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-12 19:09:02,391 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-12 19:09:02,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-12 19:09:02,395 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-12 19:09:02,398 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-12 19:09:02,403 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-12 19:09:02,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-12 19:09:02,405 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-12 19:09:02,406 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-12 19:09:02,409 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-12 19:09:02,415 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-12 19:09:02,415 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-12 19:09:02,415 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-12 19:09:02,417 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-12 19:09:02,417 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-12 19:09:02,418 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-12 19:09:02,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-12 19:09:02,419 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-12 19:09:02,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-12 19:09:02,421 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-12 19:09:02,422 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-12 19:09:02,422 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-12 19:09:02,423 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-12 19:09:02,423 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-12 19:09:02,423 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 19:09:02,423 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 19:09:02,424 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 19:09:02,428 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-New_States.epf [2021-03-12 19:09:02,462 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 19:09:02,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 19:09:02,463 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 19:09:02,463 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 19:09:02,467 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 19:09:02,467 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 19:09:02,467 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 19:09:02,468 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 19:09:02,468 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 19:09:02,468 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 19:09:02,469 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 19:09:02,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 19:09:02,469 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 19:09:02,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 19:09:02,469 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 19:09:02,469 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 19:09:02,469 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 19:09:02,469 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 19:09:02,469 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 19:09:02,469 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 19:09:02,470 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 19:09:02,470 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 19:09:02,470 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 19:09:02,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 19:09:02,470 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 19:09:02,470 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 19:09:02,470 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 19:09:02,470 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 19:09:02,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 19:09:02,470 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-12 19:09:02,470 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 19:09:02,471 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 19:09:02,471 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-03-12 19:09:02,471 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 19:09:02,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 19:09:02,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 19:09:02,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 19:09:02,930 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-12 19:09:02,960 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-12 19:09:02,961 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun.wvr.bpl [2021-03-12 19:09:03,109 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun.wvr.bpl' [2021-03-12 19:09:03,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 19:09:03,912 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-12 19:09:03,915 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 19:09:03,922 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 19:09:03,923 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 19:09:03,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 07:09:03" (1/1) ... [2021-03-12 19:09:03,961 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 07:09:03" (1/1) ... [2021-03-12 19:09:03,974 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 19:09:03,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 19:09:03,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 19:09:03,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 19:09:03,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 07:09:03" (1/1) ... [2021-03-12 19:09:03,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 07:09:03" (1/1) ... [2021-03-12 19:09:03,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 07:09:03" (1/1) ... [2021-03-12 19:09:03,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 07:09:03" (1/1) ... [2021-03-12 19:09:04,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 07:09:03" (1/1) ... [2021-03-12 19:09:04,007 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 07:09:03" (1/1) ... [2021-03-12 19:09:04,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 07:09:03" (1/1) ... [2021-03-12 19:09:04,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 19:09:04,013 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 19:09:04,014 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 19:09:04,014 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 19:09:04,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 07:09:03" (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 19:09:04,128 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-12 19:09:04,128 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-12 19:09:04,128 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-12 19:09:04,129 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-12 19:09:04,129 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-12 19:09:04,129 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-12 19:09:04,129 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-12 19:09:04,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 19:09:04,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 19:09:04,129 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-12 19:09:04,129 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-12 19:09:04,129 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-12 19:09:04,140 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 19:09:04,401 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 19:09:04,402 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-12 19:09:04,404 INFO L202 PluginConnector]: Adding new model sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 07:09:04 BoogieIcfgContainer [2021-03-12 19:09:04,404 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 19:09:04,405 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 19:09:04,406 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 19:09:04,408 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 19:09:04,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 07:09:03" (1/2) ... [2021-03-12 19:09:04,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ef4e025 and model type sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 07:09:04, skipping insertion in model container [2021-03-12 19:09:04,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 07:09:04" (2/2) ... [2021-03-12 19:09:04,412 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-fun.wvr.bpl [2021-03-12 19:09:04,417 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 19:09:04,417 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 19:09:04,421 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 19:09:04,422 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 19:09:04,512 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-03-12 19:09:04,530 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-03-12 19:09:04,618 INFO L376 AbstractCegarLoop]: Interprodecural is true Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-03-12 19:09:04,618 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 19:09:04,619 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 19:09:04,619 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 19:09:04,619 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 19:09:04,620 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 19:09:04,620 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 19:09:04,620 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 19:09:04,689 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:09:04,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:09:04,696 INFO L82 PathProgramCache]: Analyzing trace with hash 1685831996, now seen corresponding path program 1 times [2021-03-12 19:09:04,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:09:04,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452190916] [2021-03-12 19:09:04,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:09:04,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:09:04,959 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 19:09:04,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452190916] [2021-03-12 19:09:04,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 19:09:04,961 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-12 19:09:04,961 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166326780] [2021-03-12 19:09:04,965 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-12 19:09:04,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:09:04,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-12 19:09:04,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-12 19:09:04,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:09:04,984 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:09:05,001 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 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 19:09:05,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:09:05,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:09:05,100 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 19:09:05,100 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:09:05,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:09:05,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1860946394, now seen corresponding path program 1 times [2021-03-12 19:09:05,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:09:05,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359058582] [2021-03-12 19:09:05,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:09:05,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:09:05,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 19:09:05,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359058582] [2021-03-12 19:09:05,160 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 19:09:05,160 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-12 19:09:05,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651594045] [2021-03-12 19:09:05,161 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 19:09:05,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:09:05,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 19:09:05,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-12 19:09:05,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:09:05,163 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:09:05,163 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 19:09:05,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:09:05,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:09:05,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:09:05,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 19:09:05,226 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-12 19:09:05,227 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:09:05,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:09:05,227 INFO L82 PathProgramCache]: Analyzing trace with hash 2099964152, now seen corresponding path program 1 times [2021-03-12 19:09:05,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:09:05,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725257154] [2021-03-12 19:09:05,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:09:05,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:09:05,583 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:09:05,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725257154] [2021-03-12 19:09:05,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092764641] [2021-03-12 19:09:05,583 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 19:09:05,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:09:05,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-12 19:09:05,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:09:06,087 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 19:09:06,093 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-12 19:09:06,098 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:09:06,104 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:09:06,109 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:09:06,110 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:7 [2021-03-12 19:09:06,153 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:09:06,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:09:06,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-03-12 19:09:06,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5764301] [2021-03-12 19:09:06,154 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-12 19:09:06,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:09:06,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-12 19:09:06,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-03-12 19:09:06,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:09:06,155 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:09:06,155 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 11 states have internal predecessors, (34), 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 19:09:06,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:09:06,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 19:09:06,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:09:06,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:09:06,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 19:09:06,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 19:09:06,543 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 19:09:06,543 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:09:06,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:09:06,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1225355926, now seen corresponding path program 2 times [2021-03-12 19:09:06,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:09:06,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318838605] [2021-03-12 19:09:06,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:09:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:09:06,764 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:09:06,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318838605] [2021-03-12 19:09:06,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1613892763] [2021-03-12 19:09:06,765 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 19:09:06,972 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 19:09:06,972 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 19:09:06,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-12 19:09:06,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:09:07,163 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:09:07,165 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:09:07,165 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-03-12 19:09:07,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380217102] [2021-03-12 19:09:07,166 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-12 19:09:07,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:09:07,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-12 19:09:07,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-03-12 19:09:07,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:09:07,167 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:09:07,167 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 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 19:09:07,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:09:07,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 19:09:07,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 19:09:07,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:09:07,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:09:07,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 19:09:07,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 19:09:07,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:09:07,645 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 19:09:07,645 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:09:07,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:09:07,646 INFO L82 PathProgramCache]: Analyzing trace with hash 661666650, now seen corresponding path program 1 times [2021-03-12 19:09:07,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:09:07,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12899713] [2021-03-12 19:09:07,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:09:07,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:09:07,796 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 19:09:07,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12899713] [2021-03-12 19:09:07,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1668942741] [2021-03-12 19:09:07,798 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 19:09:07,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:09:07,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-12 19:09:07,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:09:08,035 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 19:09:08,036 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:09:08,036 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-03-12 19:09:08,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393183755] [2021-03-12 19:09:08,037 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-12 19:09:08,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:09:08,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-12 19:09:08,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-03-12 19:09:08,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:09:08,038 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:09:08,038 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 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 19:09:08,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:09:08,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 19:09:08,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 19:09:08,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:09:08,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:09:08,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:09:08,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 19:09:08,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 19:09:08,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:09:08,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 19:09:08,543 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 19:09:08,543 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:09:08,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:09:08,544 INFO L82 PathProgramCache]: Analyzing trace with hash -258173320, now seen corresponding path program 2 times [2021-03-12 19:09:08,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:09:08,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085373622] [2021-03-12 19:09:08,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:09:08,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:09:09,149 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:09:09,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085373622] [2021-03-12 19:09:09,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [601761913] [2021-03-12 19:09:09,150 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) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 19:09:09,215 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 19:09:09,215 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 19:09:09,216 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 39 conjunts are in the unsatisfiable core [2021-03-12 19:09:09,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:09:09,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:09:09,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:09:09,795 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:09:09,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 29 treesize of output 59 [2021-03-12 19:09:09,856 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-12 19:09:09,907 INFO L628 ElimStorePlain]: treesize reduction 64, result has 44.3 percent of original size [2021-03-12 19:09:09,962 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:09:09,963 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:53, output treesize:67 [2021-03-12 19:09:10,059 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:09:10,060 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:09:10,060 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-03-12 19:09:10,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671341960] [2021-03-12 19:09:10,060 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-03-12 19:09:10,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:09:10,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-03-12 19:09:10,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=507, Unknown=0, NotChecked=0, Total=600 [2021-03-12 19:09:10,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:09:10,063 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:09:10,063 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.08) internal successors, (52), 25 states have internal predecessors, (52), 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 19:09:10,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:09:10,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 19:09:10,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 19:09:10,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:09:10,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 19:09:10,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:09:10,536 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2021-03-12 19:09:11,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:09:11,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 19:09:11,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 19:09:11,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:09:11,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 19:09:11,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:09:11,291 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-03-12 19:09:11,292 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:09:11,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:09:11,292 INFO L82 PathProgramCache]: Analyzing trace with hash 538878486, now seen corresponding path program 3 times [2021-03-12 19:09:11,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:09:11,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44831401] [2021-03-12 19:09:11,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:09:11,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:09:11,473 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:09:11,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44831401] [2021-03-12 19:09:11,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [570116363] [2021-03-12 19:09:11,474 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 19:09:11,514 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-03-12 19:09:11,515 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 19:09:11,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-12 19:09:11,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:09:11,714 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:09:11,715 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:09:11,716 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-03-12 19:09:11,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805766639] [2021-03-12 19:09:11,718 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-12 19:09:11,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:09:11,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-12 19:09:11,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-03-12 19:09:11,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:09:11,720 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:09:11,720 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 20 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 19:09:11,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:09:11,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 19:09:11,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 19:09:11,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:09:11,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 19:09:11,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:09:11,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:09:12,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:09:12,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 19:09:12,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 19:09:12,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:09:12,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 19:09:12,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:09:12,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 19:09:12,507 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 19:09:12,508 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:09:12,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:09:12,508 INFO L82 PathProgramCache]: Analyzing trace with hash 157395674, now seen corresponding path program 4 times [2021-03-12 19:09:12,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:09:12,508 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066031206] [2021-03-12 19:09:12,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:09:12,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:09:12,650 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 19:09:12,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066031206] [2021-03-12 19:09:12,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [559574901] [2021-03-12 19:09:12,651 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 19:09:12,683 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 19:09:12,683 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 19:09:12,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-12 19:09:12,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:09:12,811 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 19:09:12,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:09:12,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-03-12 19:09:12,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709550368] [2021-03-12 19:09:12,812 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-12 19:09:12,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:09:12,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-12 19:09:12,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-03-12 19:09:12,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:09:12,813 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:09:12,813 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 19:09:12,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:09:12,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 19:09:12,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 19:09:12,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:09:12,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 19:09:12,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:09:12,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 19:09:12,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:09:12,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:09:12,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 19:09:12,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 19:09:12,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:09:12,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 19:09:12,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:09:12,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 19:09:12,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:09:13,203 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 19:09:13,204 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:09:13,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:09:13,206 INFO L82 PathProgramCache]: Analyzing trace with hash -1710749704, now seen corresponding path program 5 times [2021-03-12 19:09:13,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:09:13,206 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593848719] [2021-03-12 19:09:13,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:09:13,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:09:13,739 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:09:13,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593848719] [2021-03-12 19:09:13,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1880636185] [2021-03-12 19:09:13,740 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 19:09:13,805 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-03-12 19:09:13,806 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 19:09:13,807 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 50 conjunts are in the unsatisfiable core [2021-03-12 19:09:13,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:09:14,664 INFO L354 Elim1Store]: treesize reduction 118, result has 2.5 percent of original size [2021-03-12 19:09:14,665 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 10 new quantified variables, introduced 15 case distinctions, treesize of input 121 treesize of output 73 [2021-03-12 19:09:14,668 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:09:14,675 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:09:14,679 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:09:14,679 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:126, output treesize:5 [2021-03-12 19:09:14,714 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:09:14,715 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:09:14,715 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 31 [2021-03-12 19:09:14,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587086625] [2021-03-12 19:09:14,719 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-03-12 19:09:14,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:09:14,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-03-12 19:09:14,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=847, Unknown=0, NotChecked=0, Total=930 [2021-03-12 19:09:14,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:09:14,720 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:09:14,721 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.193548387096774) internal successors, (68), 31 states have internal predecessors, (68), 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 19:09:14,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:09:14,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 19:09:14,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 19:09:14,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:09:14,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 19:09:14,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:09:14,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 19:09:14,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:09:14,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:09:15,113 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 39 [2021-03-12 19:09:16,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:09:16,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 19:09:16,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 19:09:16,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:09:16,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 19:09:16,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:09:16,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 19:09:16,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:09:16,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 19:09:16,635 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-03-12 19:09:16,636 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:09:16,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:09:16,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1702128234, now seen corresponding path program 6 times [2021-03-12 19:09:16,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:09:16,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440159379] [2021-03-12 19:09:16,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:09:16,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:09:16,851 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:09:16,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440159379] [2021-03-12 19:09:16,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079176300] [2021-03-12 19:09:16,852 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 19:09:16,918 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-03-12 19:09:16,918 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 19:09:16,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-12 19:09:16,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:09:17,184 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 25 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:09:17,184 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:09:17,184 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 28 [2021-03-12 19:09:17,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374853730] [2021-03-12 19:09:17,185 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-03-12 19:09:17,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:09:17,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-03-12 19:09:17,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=617, Unknown=0, NotChecked=0, Total=756 [2021-03-12 19:09:17,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:09:17,189 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:09:17,190 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 2.392857142857143) internal successors, (67), 28 states have internal predecessors, (67), 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 19:09:17,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:09:17,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 19:09:17,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 19:09:17,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:09:17,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 19:09:17,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:09:17,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 19:09:17,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:09:17,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 19:09:17,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:09:18,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:09:18,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 19:09:18,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 19:09:18,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:09:18,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 19:09:18,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:09:18,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 19:09:18,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:09:18,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 19:09:18,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 19:09:18,742 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 19:09:18,743 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:09:18,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:09:18,743 INFO L82 PathProgramCache]: Analyzing trace with hash -718741926, now seen corresponding path program 7 times [2021-03-12 19:09:18,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:09:18,743 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137886804] [2021-03-12 19:09:18,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:09:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:09:18,882 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 19:09:18,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137886804] [2021-03-12 19:09:18,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [397864201] [2021-03-12 19:09:18,883 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 19:09:18,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:09:18,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-12 19:09:18,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:09:19,109 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 19:09:19,109 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:09:19,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 23 [2021-03-12 19:09:19,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881548160] [2021-03-12 19:09:19,110 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-03-12 19:09:19,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:09:19,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-03-12 19:09:19,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=364, Unknown=0, NotChecked=0, Total=506 [2021-03-12 19:09:19,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:09:19,111 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:09:19,111 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.608695652173913) internal successors, (60), 23 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 19:09:19,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:09:19,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 19:09:19,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 19:09:19,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:09:19,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 19:09:19,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:09:19,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 19:09:19,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:09:19,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 19:09:19,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-03-12 19:09:19,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:09:19,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:09:19,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 19:09:19,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 19:09:19,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:09:19,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 19:09:19,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:09:19,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 19:09:19,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:09:19,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 19:09:19,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 19:09:19,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:09:19,539 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 19:09:19,539 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:09:19,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:09:19,540 INFO L82 PathProgramCache]: Analyzing trace with hash -1675149960, now seen corresponding path program 8 times [2021-03-12 19:09:19,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:09:19,540 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968099745] [2021-03-12 19:09:19,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:09:19,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:09:20,828 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 16 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:09:20,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968099745] [2021-03-12 19:09:20,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [422462820] [2021-03-12 19:09:20,829 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 19:09:20,862 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 19:09:20,863 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 19:09:20,864 WARN L261 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 66 conjunts are in the unsatisfiable core [2021-03-12 19:09:20,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:09:21,272 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2021-03-12 19:09:21,702 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2021-03-12 19:09:22,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:09:22,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:09:22,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:09:22,614 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 19:09:22,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:09:22,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:09:22,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:09:22,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 23 [2021-03-12 19:09:22,622 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:09:22,628 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:09:22,631 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:09:22,631 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:60, output treesize:5 [2021-03-12 19:09:22,675 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:09:22,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:09:22,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 21] total 39 [2021-03-12 19:09:22,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568945987] [2021-03-12 19:09:22,676 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-03-12 19:09:22,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:09:22,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-03-12 19:09:22,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=1323, Unknown=0, NotChecked=0, Total=1482 [2021-03-12 19:09:22,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:09:22,678 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:09:22,678 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 2.128205128205128) internal successors, (83), 39 states have internal predecessors, (83), 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 19:09:22,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:09:22,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 19:09:22,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 19:09:22,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:09:22,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 19:09:22,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:09:22,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 19:09:22,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:09:22,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 19:09:22,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-03-12 19:09:22,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:09:22,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:09:23,983 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2021-03-12 19:09:24,345 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 102 [2021-03-12 19:09:24,893 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2021-03-12 19:09:25,216 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2021-03-12 19:09:25,474 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2021-03-12 19:09:28,343 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 91 [2021-03-12 19:09:28,578 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2021-03-12 19:09:28,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:09:28,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 19:09:28,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 19:09:28,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:09:28,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 19:09:28,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:09:28,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 19:09:28,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:09:28,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 19:09:28,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 19:09:28,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:09:28,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:09:28,806 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-03-12 19:09:28,807 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:09:28,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:09:28,807 INFO L82 PathProgramCache]: Analyzing trace with hash 1033138774, now seen corresponding path program 9 times [2021-03-12 19:09:28,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:09:28,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192350664] [2021-03-12 19:09:28,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:09:28,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:09:29,085 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 49 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:09:29,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192350664] [2021-03-12 19:09:29,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1364188072] [2021-03-12 19:09:29,086 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 19:09:29,123 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-03-12 19:09:29,124 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 19:09:29,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-12 19:09:29,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:09:29,681 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 64 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:09:29,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:09:29,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 40 [2021-03-12 19:09:29,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944020747] [2021-03-12 19:09:29,682 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-03-12 19:09:29,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:09:29,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-03-12 19:09:29,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=283, Invalid=1277, Unknown=0, NotChecked=0, Total=1560 [2021-03-12 19:09:29,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:09:29,684 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:09:29,684 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 2.275) internal successors, (91), 40 states have internal predecessors, (91), 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 19:09:29,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:09:29,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 19:09:29,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 19:09:29,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:09:29,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 19:09:29,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:09:29,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 19:09:29,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:09:29,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 19:09:29,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-03-12 19:09:29,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:09:29,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:09:29,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:09:31,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:09:31,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 19:09:31,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 19:09:31,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:09:31,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 19:09:31,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:09:31,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 19:09:31,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:09:31,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 19:09:31,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 19:09:31,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:09:31,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:09:31,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-03-12 19:09:31,465 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-03-12 19:09:31,466 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:09:31,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:09:31,466 INFO L82 PathProgramCache]: Analyzing trace with hash -621454566, now seen corresponding path program 10 times [2021-03-12 19:09:31,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:09:31,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69075437] [2021-03-12 19:09:31,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:09:31,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:09:31,758 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 81 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 19:09:31,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69075437] [2021-03-12 19:09:31,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [634122704] [2021-03-12 19:09:31,759 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 19:09:31,795 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 19:09:31,796 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 19:09:31,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-12 19:09:31,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:09:32,177 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 81 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 19:09:32,177 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:09:32,177 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 32 [2021-03-12 19:09:32,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673659485] [2021-03-12 19:09:32,178 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-03-12 19:09:32,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:09:32,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-03-12 19:09:32,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=262, Invalid=730, Unknown=0, NotChecked=0, Total=992 [2021-03-12 19:09:32,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:09:32,179 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:09:32,179 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.4375) internal successors, (78), 32 states have internal predecessors, (78), 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 19:09:32,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:09:32,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 19:09:32,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 19:09:32,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:09:32,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 19:09:32,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:09:32,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 19:09:32,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:09:32,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 19:09:32,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-03-12 19:09:32,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:09:32,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:09:32,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-03-12 19:09:32,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:09:32,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:09:32,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 19:09:32,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 19:09:32,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:09:32,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 19:09:32,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:09:32,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 19:09:32,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:09:32,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 19:09:32,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 19:09:32,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:09:32,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:09:32,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-03-12 19:09:32,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-12 19:09:32,827 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-03-12 19:09:32,828 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:09:32,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:09:32,829 INFO L82 PathProgramCache]: Analyzing trace with hash -1481114312, now seen corresponding path program 11 times [2021-03-12 19:09:32,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:09:32,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913652109] [2021-03-12 19:09:32,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:09:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:09:34,585 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 49 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:09:34,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913652109] [2021-03-12 19:09:34,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044926650] [2021-03-12 19:09:34,586 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 19:09:34,644 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-03-12 19:09:34,644 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 19:09:34,646 WARN L261 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 90 conjunts are in the unsatisfiable core [2021-03-12 19:09:34,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:09:36,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:09:36,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:09:36,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:09:36,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:09:36,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:09:36,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:09:36,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:09:36,288 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 19:09:36,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 29 [2021-03-12 19:09:36,294 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:09:36,300 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:09:36,302 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:09:36,302 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:5 [2021-03-12 19:09:36,365 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:09:36,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:09:36,366 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 26] total 52 [2021-03-12 19:09:36,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599681374] [2021-03-12 19:09:36,366 INFO L460 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-03-12 19:09:36,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:09:36,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-03-12 19:09:36,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=237, Invalid=2415, Unknown=0, NotChecked=0, Total=2652 [2021-03-12 19:09:36,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:09:36,368 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:09:36,368 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 2.0961538461538463) internal successors, (109), 52 states have internal predecessors, (109), 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 19:09:36,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:09:36,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 19:09:36,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 19:09:36,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:09:36,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 19:09:36,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:09:36,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 19:09:36,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:09:36,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 19:09:36,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-03-12 19:09:36,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:09:36,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:09:36,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-03-12 19:09:36,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-03-12 19:09:36,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:09:37,105 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 51 [2021-03-12 19:09:37,984 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 56 [2021-03-12 19:09:38,722 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2021-03-12 19:09:39,940 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 91 [2021-03-12 19:09:40,230 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 119 [2021-03-12 19:09:40,549 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2021-03-12 19:09:40,797 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 109 [2021-03-12 19:09:41,089 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 94 [2021-03-12 19:09:41,334 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2021-03-12 19:09:41,667 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 114 [2021-03-12 19:09:48,049 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 87 [2021-03-12 19:09:48,432 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2021-03-12 19:09:48,664 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2021-03-12 19:09:48,903 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2021-03-12 19:09:49,349 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 106 [2021-03-12 19:09:49,671 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2021-03-12 19:09:49,972 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2021-03-12 19:09:50,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:09:50,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 19:09:50,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 19:09:50,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:09:50,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 19:09:50,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:09:50,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 19:09:50,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:09:50,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 19:09:50,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 19:09:50,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:09:50,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:09:50,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-03-12 19:09:50,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-12 19:09:50,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-03-12 19:09:50,222 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 19:09:50,223 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:09:50,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:09:50,224 INFO L82 PathProgramCache]: Analyzing trace with hash -1071314922, now seen corresponding path program 12 times [2021-03-12 19:09:50,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:09:50,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686570689] [2021-03-12 19:09:50,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:09:50,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:09:50,638 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 100 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:09:50,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686570689] [2021-03-12 19:09:50,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2147390190] [2021-03-12 19:09:50,638 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 19:09:50,689 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2021-03-12 19:09:50,689 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 19:09:50,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 27 conjunts are in the unsatisfiable core [2021-03-12 19:09:50,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:09:51,645 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 121 proven. 124 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:09:51,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:09:51,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 52 [2021-03-12 19:09:51,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984222134] [2021-03-12 19:09:51,646 INFO L460 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-03-12 19:09:51,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:09:51,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-03-12 19:09:51,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=481, Invalid=2171, Unknown=0, NotChecked=0, Total=2652 [2021-03-12 19:09:51,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:09:51,648 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:09:51,653 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 2.2115384615384617) internal successors, (115), 52 states have internal predecessors, (115), 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 19:09:51,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:09:51,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 19:09:51,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 19:09:51,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:09:51,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 19:09:51,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:09:51,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 19:09:51,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:09:51,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 19:09:51,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-03-12 19:09:51,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:09:51,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:09:51,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-03-12 19:09:51,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-03-12 19:09:51,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-03-12 19:09:51,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:09:55,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:09:55,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 19:09:55,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 19:09:55,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:09:55,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 19:09:55,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:09:55,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 19:09:55,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:09:55,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 19:09:55,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 19:09:55,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:09:55,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:09:55,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-03-12 19:09:55,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-12 19:09:55,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-03-12 19:09:55,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-03-12 19:09:55,339 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-03-12 19:09:55,339 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:09:55,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:09:55,340 INFO L82 PathProgramCache]: Analyzing trace with hash -742059814, now seen corresponding path program 13 times [2021-03-12 19:09:55,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:09:55,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41411616] [2021-03-12 19:09:55,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:09:55,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:09:55,767 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 144 proven. 144 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 19:09:55,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41411616] [2021-03-12 19:09:55,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017191426] [2021-03-12 19:09:55,768 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 19:09:55,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:09:55,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 27 conjunts are in the unsatisfiable core [2021-03-12 19:09:55,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:09:56,296 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 144 proven. 144 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 19:09:56,296 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:09:56,296 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 41 [2021-03-12 19:09:56,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367145552] [2021-03-12 19:09:56,296 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-03-12 19:09:56,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:09:56,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-03-12 19:09:56,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=418, Invalid=1222, Unknown=0, NotChecked=0, Total=1640 [2021-03-12 19:09:56,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:09:56,298 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:09:56,298 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 2.341463414634146) internal successors, (96), 41 states have internal predecessors, (96), 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 19:09:56,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:09:56,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 19:09:56,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 19:09:56,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:09:56,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 19:09:56,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:09:56,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 19:09:56,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:09:56,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 19:09:56,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-03-12 19:09:56,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:09:56,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:09:56,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-03-12 19:09:56,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-03-12 19:09:56,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-03-12 19:09:56,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-03-12 19:09:56,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:09:56,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:09:56,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 19:09:56,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 19:09:56,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:09:56,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 19:09:56,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:09:56,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 19:09:57,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:09:57,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 19:09:57,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 19:09:57,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:09:57,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:09:57,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-03-12 19:09:57,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-12 19:09:57,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-03-12 19:09:57,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-03-12 19:09:57,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-12 19:09:57,228 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 19:09:57,229 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:09:57,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:09:57,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1795126776, now seen corresponding path program 14 times [2021-03-12 19:09:57,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:09:57,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555310204] [2021-03-12 19:09:57,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:09:57,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:09:59,380 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2021-03-12 19:09:59,768 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2021-03-12 19:10:00,596 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 66 proven. 248 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:10:00,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555310204] [2021-03-12 19:10:00,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [647505601] [2021-03-12 19:10:00,597 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 19:10:00,648 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 19:10:00,649 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 19:10:00,651 WARN L261 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 114 conjunts are in the unsatisfiable core [2021-03-12 19:10:00,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:10:01,996 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-03-12 19:10:03,992 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-03-12 19:10:05,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:05,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:05,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:05,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:05,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:05,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:05,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:05,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:05,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:05,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:05,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:05,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:05,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:05,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:05,067 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 19:10:05,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:05,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:05,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:05,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:05,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:05,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 78 disjoint index pairs (out of 91 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 35 [2021-03-12 19:10:05,077 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:10:05,085 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:10:05,089 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:10:05,090 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:96, output treesize:5 [2021-03-12 19:10:05,151 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 0 proven. 314 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:10:05,152 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:10:05,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 33] total 63 [2021-03-12 19:10:05,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372620312] [2021-03-12 19:10:05,152 INFO L460 AbstractCegarLoop]: Interpolant automaton has 63 states [2021-03-12 19:10:05,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:10:05,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-03-12 19:10:05,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=360, Invalid=3546, Unknown=0, NotChecked=0, Total=3906 [2021-03-12 19:10:05,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:10:05,154 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:10:05,154 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 63 states, 63 states have (on average 2.0793650793650795) internal successors, (131), 63 states have internal predecessors, (131), 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 19:10:05,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:10:05,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 19:10:05,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 19:10:05,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:10:05,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 19:10:05,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:10:05,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 19:10:05,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:10:05,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 19:10:05,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-03-12 19:10:05,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:10:05,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:10:05,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-03-12 19:10:05,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-03-12 19:10:05,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-03-12 19:10:05,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-03-12 19:10:05,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-03-12 19:10:05,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:10:05,979 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2021-03-12 19:10:06,630 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2021-03-12 19:10:07,973 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 63 [2021-03-12 19:10:08,971 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-03-12 19:10:09,507 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2021-03-12 19:10:10,069 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2021-03-12 19:10:10,751 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 89 [2021-03-12 19:10:11,686 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 134 [2021-03-12 19:10:12,646 WARN L205 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 144 [2021-03-12 19:10:13,114 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 104 [2021-03-12 19:10:13,664 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 106 [2021-03-12 19:10:14,077 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 116 [2021-03-12 19:10:14,845 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 121 [2021-03-12 19:10:15,318 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2021-03-12 19:10:15,612 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-03-12 19:10:15,837 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2021-03-12 19:10:16,251 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 72 [2021-03-12 19:10:16,944 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2021-03-12 19:10:17,279 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2021-03-12 19:10:17,739 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2021-03-12 19:10:18,449 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2021-03-12 19:10:18,851 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-03-12 19:10:22,182 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-03-12 19:10:23,197 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2021-03-12 19:10:24,285 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2021-03-12 19:10:25,336 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-03-12 19:10:26,347 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2021-03-12 19:10:27,039 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-03-12 19:10:27,584 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2021-03-12 19:10:28,652 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2021-03-12 19:10:29,821 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-03-12 19:10:30,926 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2021-03-12 19:10:32,062 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2021-03-12 19:10:32,640 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2021-03-12 19:10:33,025 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2021-03-12 19:10:33,359 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2021-03-12 19:10:33,708 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2021-03-12 19:10:34,004 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2021-03-12 19:10:34,348 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2021-03-12 19:10:34,728 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-03-12 19:10:35,158 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 72 [2021-03-12 19:10:35,781 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2021-03-12 19:10:36,288 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 111 [2021-03-12 19:10:36,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:10:36,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 19:10:36,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 19:10:36,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:10:36,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 19:10:36,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:10:36,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 19:10:36,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:10:36,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 19:10:36,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 19:10:36,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:10:36,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:10:36,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-03-12 19:10:36,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-12 19:10:36,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-03-12 19:10:36,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-03-12 19:10:36,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-12 19:10:36,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-03-12 19:10:36,558 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-03-12 19:10:36,558 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:10:36,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:10:36,559 INFO L82 PathProgramCache]: Analyzing trace with hash -1433173960, now seen corresponding path program 15 times [2021-03-12 19:10:36,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:10:36,559 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921649034] [2021-03-12 19:10:36,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:10:36,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:10:38,325 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2021-03-12 19:10:38,499 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2021-03-12 19:10:38,706 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2021-03-12 19:10:38,923 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2021-03-12 19:10:41,331 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 65 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:10:41,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921649034] [2021-03-12 19:10:41,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1311001533] [2021-03-12 19:10:41,332 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 19:10:41,393 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2021-03-12 19:10:41,394 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 19:10:41,396 WARN L261 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 126 conjunts are in the unsatisfiable core [2021-03-12 19:10:41,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:10:50,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:10:50,619 INFO L244 Elim1Store]: Index analysis took 373 ms [2021-03-12 19:10:51,102 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2021-03-12 19:10:51,103 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:10:51,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 21 select indices, 21 select index equivalence classes, 182 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 28 case distinctions, treesize of input 105 treesize of output 315 [2021-03-12 19:10:53,203 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-03-12 19:10:53,326 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2021-03-12 19:10:53,327 INFO L628 ElimStorePlain]: treesize reduction 9, result has 85.0 percent of original size [2021-03-12 19:10:53,346 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-12 19:10:53,347 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:129, output treesize:41 [2021-03-12 19:10:53,878 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:10:53,878 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:10:53,878 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 38] total 70 [2021-03-12 19:10:53,878 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71630932] [2021-03-12 19:10:53,879 INFO L460 AbstractCegarLoop]: Interpolant automaton has 70 states [2021-03-12 19:10:53,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:10:53,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2021-03-12 19:10:53,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=386, Invalid=4444, Unknown=0, NotChecked=0, Total=4830 [2021-03-12 19:10:53,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:10:53,880 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:10:53,880 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 70 states, 70 states have (on average 1.9857142857142858) internal successors, (139), 70 states have internal predecessors, (139), 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 19:10:53,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:10:53,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 19:10:53,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 19:10:53,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:10:53,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 19:10:53,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:10:53,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 19:10:53,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:10:53,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 19:10:53,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-03-12 19:10:53,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:10:53,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:10:53,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-03-12 19:10:53,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-03-12 19:10:53,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-03-12 19:10:53,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-03-12 19:10:53,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-03-12 19:10:53,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-03-12 19:10:53,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:10:54,865 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2021-03-12 19:10:55,545 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2021-03-12 19:10:56,157 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 32 [2021-03-12 19:10:56,728 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2021-03-12 19:10:57,144 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 35 [2021-03-12 19:10:57,714 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-03-12 19:10:58,121 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 33 [2021-03-12 19:10:58,692 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-03-12 19:10:59,082 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 35 [2021-03-12 19:10:59,669 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-03-12 19:11:00,078 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 37 [2021-03-12 19:11:00,760 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 63 [2021-03-12 19:11:01,335 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 71 [2021-03-12 19:11:01,997 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2021-03-12 19:11:02,502 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 74 [2021-03-12 19:11:03,345 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 76 [2021-03-12 19:11:04,082 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 81 [2021-03-12 19:11:04,856 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 79 [2021-03-12 19:11:05,550 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 86 [2021-03-12 19:11:06,458 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 86 [2021-03-12 19:11:07,062 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 89 [2021-03-12 19:11:07,790 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 93 [2021-03-12 19:11:08,349 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 55 [2021-03-12 19:11:09,583 WARN L205 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 141 [2021-03-12 19:11:10,968 WARN L205 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 151 [2021-03-12 19:11:11,816 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 111 [2021-03-12 19:11:12,593 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 111 [2021-03-12 19:11:13,370 WARN L205 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 121 [2021-03-12 19:11:14,394 WARN L205 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 126 [2021-03-12 19:11:14,820 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-03-12 19:11:15,308 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2021-03-12 19:11:15,922 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2021-03-12 19:11:16,609 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2021-03-12 19:11:17,303 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2021-03-12 19:11:17,926 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 65 [2021-03-12 19:11:18,477 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2021-03-12 19:11:19,108 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2021-03-12 19:11:19,708 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-03-12 19:11:20,342 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2021-03-12 19:11:21,024 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2021-03-12 19:11:21,712 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-03-12 19:11:22,186 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-03-12 19:11:22,512 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2021-03-12 19:11:26,501 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2021-03-12 19:11:27,458 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2021-03-12 19:11:28,325 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-03-12 19:11:29,506 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-03-12 19:11:30,523 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-03-12 19:11:31,405 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2021-03-12 19:11:32,126 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2021-03-12 19:11:32,722 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-03-12 19:11:33,741 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2021-03-12 19:11:34,677 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-03-12 19:11:35,235 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-03-12 19:11:36,182 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2021-03-12 19:11:37,286 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-03-12 19:11:38,299 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2021-03-12 19:11:38,835 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-03-12 19:11:39,358 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 19:11:40,313 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2021-03-12 19:11:41,305 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 19:11:42,286 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2021-03-12 19:11:43,269 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 19:11:44,388 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 66 [2021-03-12 19:11:44,933 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 19:11:45,800 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-03-12 19:11:46,981 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2021-03-12 19:11:47,996 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-03-12 19:11:48,959 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2021-03-12 19:11:50,181 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-03-12 19:11:50,965 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2021-03-12 19:11:52,069 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-03-12 19:11:52,726 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2021-03-12 19:11:53,865 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2021-03-12 19:11:54,657 WARN L205 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 116 [2021-03-12 19:11:54,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:11:54,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 19:11:54,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 19:11:54,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:11:54,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 19:11:54,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:11:54,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 19:11:54,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:11:54,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 19:11:54,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 19:11:54,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:11:54,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:11:54,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-03-12 19:11:54,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-12 19:11:54,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-03-12 19:11:54,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-03-12 19:11:54,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-12 19:11:54,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-03-12 19:11:54,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-03-12 19:11:55,090 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2021-03-12 19:11:55,090 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:11:55,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:11:55,091 INFO L82 PathProgramCache]: Analyzing trace with hash 1999747960, now seen corresponding path program 16 times [2021-03-12 19:11:55,091 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:11:55,091 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724529002] [2021-03-12 19:11:55,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:11:55,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:11:55,949 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2021-03-12 19:11:56,163 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2021-03-12 19:11:56,372 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2021-03-12 19:11:56,616 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2021-03-12 19:11:56,877 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2021-03-12 19:11:57,121 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2021-03-12 19:11:57,493 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2021-03-12 19:11:57,761 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2021-03-12 19:11:58,001 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-03-12 19:11:58,249 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2021-03-12 19:11:58,503 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2021-03-12 19:11:58,814 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-03-12 19:11:59,156 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2021-03-12 19:11:59,610 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2021-03-12 19:12:00,708 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2021-03-12 19:12:01,023 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2021-03-12 19:12:01,401 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2021-03-12 19:12:01,731 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2021-03-12 19:12:02,069 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2021-03-12 19:12:02,354 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2021-03-12 19:12:02,598 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2021-03-12 19:12:02,900 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-03-12 19:12:03,248 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2021-03-12 19:12:03,594 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2021-03-12 19:12:04,595 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 92 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:12:04,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724529002] [2021-03-12 19:12:04,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1760049771] [2021-03-12 19:12:04,595 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 19:12:04,655 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 19:12:04,655 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 19:12:04,658 WARN L261 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 130 conjunts are in the unsatisfiable core [2021-03-12 19:12:04,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:12:18,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:12:18,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:12:18,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:12:18,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:12:18,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:12:18,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:12:18,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:12:18,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:12:18,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:12:18,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:12:18,248 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 19:12:18,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:12:18,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:12:18,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:12:18,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:12:18,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:12:18,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:12:18,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 105 disjoint index pairs (out of 120 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 39 [2021-03-12 19:12:18,297 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:12:18,334 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:12:18,341 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:12:18,341 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:108, output treesize:5 [2021-03-12 19:12:18,626 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 0 proven. 422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:12:18,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:12:18,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 37] total 71 [2021-03-12 19:12:18,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067191447] [2021-03-12 19:12:18,627 INFO L460 AbstractCegarLoop]: Interpolant automaton has 71 states [2021-03-12 19:12:18,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:12:18,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2021-03-12 19:12:18,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=427, Invalid=4543, Unknown=0, NotChecked=0, Total=4970 [2021-03-12 19:12:18,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:12:18,628 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:12:18,629 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 71 states, 71 states have (on average 2.0704225352112675) internal successors, (147), 71 states have internal predecessors, (147), 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 19:12:18,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:12:18,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 19:12:18,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 19:12:18,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:12:18,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 19:12:18,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:12:18,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 19:12:18,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:12:18,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 19:12:18,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-03-12 19:12:18,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:12:18,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:12:18,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-03-12 19:12:18,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-03-12 19:12:18,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-03-12 19:12:18,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-03-12 19:12:18,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-03-12 19:12:18,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-03-12 19:12:18,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-03-12 19:12:18,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:12:19,853 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 25 [2021-03-12 19:12:20,679 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-03-12 19:12:21,322 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 29 [2021-03-12 19:12:21,892 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2021-03-12 19:12:22,685 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2021-03-12 19:12:23,428 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 29 [2021-03-12 19:12:24,435 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 34 [2021-03-12 19:12:25,121 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 33 [2021-03-12 19:12:26,118 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2021-03-12 19:12:26,841 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 36 [2021-03-12 19:12:27,754 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 36 [2021-03-12 19:12:28,451 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 35 [2021-03-12 19:12:29,558 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 38 [2021-03-12 19:12:30,335 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 37 [2021-03-12 19:12:31,171 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 40 [2021-03-12 19:12:31,903 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 39 [2021-03-12 19:12:32,864 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 42 [2021-03-12 19:12:33,617 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 41 [2021-03-12 19:12:34,642 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 44 [2021-03-12 19:12:35,317 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 43 [2021-03-12 19:12:36,402 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 46 [2021-03-12 19:12:37,208 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 45 [2021-03-12 19:12:38,290 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 49 [2021-03-12 19:12:39,102 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 48 [2021-03-12 19:12:40,254 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 50 [2021-03-12 19:12:41,029 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 49 [2021-03-12 19:12:41,896 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 53 [2021-03-12 19:12:42,540 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 52 [2021-03-12 19:12:44,032 WARN L205 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 108 [2021-03-12 19:12:45,725 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 187 DAG size of output: 104 [2021-03-12 19:12:47,932 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 184 DAG size of output: 125 [2021-03-12 19:12:49,781 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 193 DAG size of output: 160 [2021-03-12 19:12:51,229 WARN L205 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 126 [2021-03-12 19:12:52,707 WARN L205 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 130 [2021-03-12 19:12:54,236 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 160 DAG size of output: 137 [2021-03-12 19:12:55,346 WARN L205 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 128 [2021-03-12 19:12:57,505 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 155 DAG size of output: 142 [2021-03-12 19:12:58,127 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-03-12 19:12:58,913 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 87 [2021-03-12 19:13:02,757 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-03-12 19:13:03,291 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2021-03-12 19:13:05,694 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-03-12 19:13:06,930 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-03-12 19:13:09,192 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2021-03-12 19:13:10,515 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2021-03-12 19:13:11,656 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-03-12 19:13:13,311 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2021-03-12 19:13:14,119 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-03-12 19:13:14,715 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-12 19:13:15,345 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-03-12 19:13:16,024 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-12 19:13:16,670 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 19:13:17,199 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-12 19:13:17,732 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 19:13:18,182 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-03-12 19:13:18,698 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-03-12 19:13:19,153 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-03-12 19:13:20,379 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-03-12 19:13:21,960 WARN L205 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 133 [2021-03-12 19:13:22,542 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-03-12 19:13:22,909 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-03-12 19:13:23,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:13:23,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 19:13:23,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 19:13:23,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:13:23,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 19:13:23,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:13:23,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 19:13:23,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:13:23,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 19:13:23,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 19:13:23,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:13:23,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:13:23,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-03-12 19:13:23,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-12 19:13:23,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-03-12 19:13:23,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-03-12 19:13:23,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-12 19:13:23,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-03-12 19:13:23,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-03-12 19:13:23,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-03-12 19:13:23,367 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable597 [2021-03-12 19:13:23,368 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:13:23,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:13:23,368 INFO L82 PathProgramCache]: Analyzing trace with hash -1387698248, now seen corresponding path program 17 times [2021-03-12 19:13:23,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:13:23,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801401626] [2021-03-12 19:13:23,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:13:23,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:13:23,759 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 5 [2021-03-12 19:13:23,889 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 17 [2021-03-12 19:13:24,024 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2021-03-12 19:13:24,401 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2021-03-12 19:13:24,668 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2021-03-12 19:13:24,931 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2021-03-12 19:13:25,209 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2021-03-12 19:13:25,551 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2021-03-12 19:13:25,861 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2021-03-12 19:13:26,199 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2021-03-12 19:13:26,560 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2021-03-12 19:13:26,883 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-03-12 19:13:27,333 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2021-03-12 19:13:27,688 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2021-03-12 19:13:28,119 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-03-12 19:13:28,555 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2021-03-12 19:13:29,119 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2021-03-12 19:13:29,747 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2021-03-12 19:13:30,049 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-03-12 19:13:30,353 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-03-12 19:13:30,784 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-03-12 19:13:31,116 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 19:13:31,434 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 19:13:31,810 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-03-12 19:13:32,443 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2021-03-12 19:13:32,936 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2021-03-12 19:13:33,818 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2021-03-12 19:13:34,277 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2021-03-12 19:13:34,799 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2021-03-12 19:13:35,281 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2021-03-12 19:13:35,775 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2021-03-12 19:13:36,266 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2021-03-12 19:13:37,873 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 81 proven. 401 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:13:37,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801401626] [2021-03-12 19:13:37,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1496634913] [2021-03-12 19:13:37,873 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 19:13:37,969 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2021-03-12 19:13:37,969 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 19:13:37,975 WARN L261 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 138 conjunts are in the unsatisfiable core [2021-03-12 19:13:37,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:13:42,625 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-03-12 19:13:44,193 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-03-12 19:13:45,293 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-12 19:13:47,283 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-03-12 19:13:57,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:13:57,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:13:57,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:13:57,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:13:57,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:13:57,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:13:57,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:13:57,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:13:57,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:13:57,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:13:57,815 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 19:13:57,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:13:57,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:13:57,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:13:57,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:13:57,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:13:57,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:13:57,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:13:57,875 INFO L244 Elim1Store]: Index analysis took 132 ms [2021-03-12 19:13:57,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 120 disjoint index pairs (out of 136 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 41 [2021-03-12 19:13:57,891 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:13:57,945 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:13:57,954 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:13:57,954 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:114, output treesize:5 [2021-03-12 19:13:58,347 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 0 proven. 482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:13:58,347 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:13:58,347 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 39] total 75 [2021-03-12 19:13:58,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588892641] [2021-03-12 19:13:58,348 INFO L460 AbstractCegarLoop]: Interpolant automaton has 75 states [2021-03-12 19:13:58,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:13:58,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2021-03-12 19:13:58,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=480, Invalid=5070, Unknown=0, NotChecked=0, Total=5550 [2021-03-12 19:13:58,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:13:58,349 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:13:58,350 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 75 states, 75 states have (on average 2.066666666666667) internal successors, (155), 75 states have internal predecessors, (155), 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 19:13:58,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:13:58,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 19:13:58,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 19:13:58,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:13:58,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 19:13:58,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:13:58,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 19:13:58,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:13:58,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 19:13:58,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-03-12 19:13:58,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:13:58,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:13:58,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-03-12 19:13:58,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-03-12 19:13:58,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-03-12 19:13:58,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-03-12 19:13:58,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-03-12 19:13:58,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-03-12 19:13:58,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-03-12 19:13:58,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-03-12 19:13:58,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:14:00,757 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-03-12 19:14:02,268 WARN L205 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2021-03-12 19:14:03,694 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 29 [2021-03-12 19:14:04,983 WARN L205 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-03-12 19:14:05,796 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 31 [2021-03-12 19:14:07,212 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2021-03-12 19:14:08,049 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2021-03-12 19:14:09,348 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-03-12 19:14:10,335 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 35 [2021-03-12 19:14:11,702 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2021-03-12 19:14:12,516 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 37 [2021-03-12 19:14:13,882 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 66 [2021-03-12 19:14:14,653 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 39 [2021-03-12 19:14:15,878 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-03-12 19:14:16,592 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 41 [2021-03-12 19:14:17,925 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2021-03-12 19:14:18,742 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 43 [2021-03-12 19:14:20,094 WARN L205 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2021-03-12 19:14:20,878 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 45 [2021-03-12 19:14:22,119 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2021-03-12 19:14:22,932 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 48 [2021-03-12 19:14:24,150 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 89 [2021-03-12 19:14:24,985 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 51 [2021-03-12 19:14:26,072 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 93 [2021-03-12 19:14:26,915 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 51 [2021-03-12 19:14:28,375 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 101 [2021-03-12 19:14:29,509 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 57 [2021-03-12 19:14:31,605 WARN L205 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 155 [2021-03-12 19:14:34,078 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 180 DAG size of output: 165 [2021-03-12 19:14:35,726 WARN L205 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 119 [2021-03-12 19:14:37,324 WARN L205 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-03-12 19:14:39,010 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 150 DAG size of output: 131 [2021-03-12 19:14:41,349 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 155 DAG size of output: 136 [2021-03-12 19:14:42,113 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-03-12 19:14:43,092 WARN L205 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2021-03-12 19:14:43,508 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-03-12 19:14:44,448 WARN L205 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2021-03-12 19:14:44,835 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 19:14:45,742 WARN L205 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2021-03-12 19:14:46,170 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 19:14:47,018 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2021-03-12 19:14:47,443 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-03-12 19:14:48,290 WARN L205 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2021-03-12 19:14:48,757 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 19:14:49,701 WARN L205 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-03-12 19:14:50,168 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-03-12 19:14:51,061 WARN L205 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 65 [2021-03-12 19:14:51,487 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-03-12 19:14:52,429 WARN L205 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2021-03-12 19:14:52,907 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-03-12 19:14:53,795 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2021-03-12 19:14:54,251 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-03-12 19:14:55,033 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2021-03-12 19:14:55,577 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-03-12 19:14:56,629 WARN L205 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2021-03-12 19:14:57,218 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-03-12 19:14:58,254 WARN L205 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2021-03-12 19:14:58,774 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-03-12 19:14:59,777 WARN L205 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-03-12 19:15:00,709 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-03-12 19:15:01,559 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2021-03-12 19:15:02,160 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2021-03-12 19:15:02,620 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2021-03-12 19:15:05,170 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-03-12 19:15:06,792 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-03-12 19:15:09,934 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2021-03-12 19:15:11,949 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2021-03-12 19:15:13,572 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-03-12 19:15:15,770 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-03-12 19:15:16,771 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-03-12 19:15:17,832 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-03-12 19:15:19,972 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2021-03-12 19:15:21,085 WARN L205 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2021-03-12 19:15:22,099 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-03-12 19:15:24,433 WARN L205 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2021-03-12 19:15:25,347 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-03-12 19:15:26,312 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 19:15:28,420 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-03-12 19:15:29,408 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-03-12 19:15:30,393 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-03-12 19:15:32,370 WARN L205 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2021-03-12 19:15:33,302 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-03-12 19:15:34,215 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-03-12 19:15:36,352 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2021-03-12 19:15:37,243 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-03-12 19:15:38,096 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 19:15:40,305 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2021-03-12 19:15:41,264 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-12 19:15:42,263 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 19:15:44,420 WARN L205 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2021-03-12 19:15:45,361 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-03-12 19:15:46,285 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-03-12 19:15:48,487 WARN L205 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2021-03-12 19:15:49,420 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-12 19:15:50,306 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-03-12 19:15:52,305 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2021-03-12 19:15:53,210 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 19:15:54,127 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-03-12 19:15:56,149 WARN L205 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2021-03-12 19:15:57,053 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-12 19:15:57,957 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-03-12 19:16:00,047 WARN L205 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 76 [2021-03-12 19:16:01,089 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 19:16:02,084 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-03-12 19:16:04,119 WARN L205 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2021-03-12 19:16:04,942 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-03-12 19:16:06,525 WARN L205 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-03-12 19:16:07,748 WARN L205 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2021-03-12 19:16:09,236 WARN L205 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-03-12 19:16:10,407 WARN L205 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2021-03-12 19:16:12,278 WARN L205 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-03-12 19:16:13,654 WARN L205 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 126 [2021-03-12 19:16:13,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:16:13,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 19:16:13,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 19:16:13,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:16:13,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 19:16:13,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:16:13,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 19:16:13,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:16:13,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 19:16:13,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 19:16:13,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:16:13,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:16:13,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-03-12 19:16:13,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-12 19:16:13,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-03-12 19:16:13,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-03-12 19:16:13,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-12 19:16:13,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-03-12 19:16:13,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-03-12 19:16:13,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-03-12 19:16:14,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-03-12 19:16:14,205 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable598 [2021-03-12 19:16:14,205 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:16:14,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:16:14,206 INFO L82 PathProgramCache]: Analyzing trace with hash -491141896, now seen corresponding path program 18 times [2021-03-12 19:16:14,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:16:14,206 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188245163] [2021-03-12 19:16:14,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:16:14,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:16:14,762 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 17 [2021-03-12 19:16:14,945 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2021-03-12 19:16:15,119 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2021-03-12 19:16:15,469 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2021-03-12 19:16:15,813 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2021-03-12 19:16:16,217 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2021-03-12 19:16:16,577 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2021-03-12 19:16:16,965 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2021-03-12 19:16:17,371 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2021-03-12 19:16:17,753 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2021-03-12 19:16:18,119 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2021-03-12 19:16:18,476 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-03-12 19:16:18,866 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2021-03-12 19:16:19,243 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2021-03-12 19:16:19,694 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-03-12 19:16:20,112 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2021-03-12 19:16:20,547 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-03-12 19:16:21,151 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2021-03-12 19:16:21,804 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2021-03-12 19:16:22,134 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-12 19:16:22,439 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-03-12 19:16:23,230 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-03-12 19:16:24,349 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2021-03-12 19:16:24,746 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2021-03-12 19:16:25,424 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2021-03-12 19:16:25,838 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2021-03-12 19:16:26,239 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2021-03-12 19:16:26,638 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2021-03-12 19:16:27,024 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2021-03-12 19:16:27,463 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2021-03-12 19:16:28,764 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 81 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:16:28,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188245163] [2021-03-12 19:16:28,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [576467182] [2021-03-12 19:16:28,765 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 19:16:28,835 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2021-03-12 19:16:28,835 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 19:16:28,837 WARN L261 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 151 conjunts are in the unsatisfiable core [2021-03-12 19:16:28,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:16:33,189 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-03-12 19:16:47,822 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-03-12 19:16:49,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:49,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:50,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:50,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:50,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:50,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:50,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:50,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:50,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:50,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:50,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:50,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:50,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:50,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:50,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:50,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:50,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:50,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:50,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:50,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:50,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:50,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:16:50,173 INFO L244 Elim1Store]: Index analysis took 707 ms [2021-03-12 19:16:50,514 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 19:16:50,516 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:16:50,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 21 select indices, 21 select index equivalence classes, 200 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 10 case distinctions, treesize of input 117 treesize of output 141 [2021-03-12 19:16:50,625 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-03-12 19:16:50,840 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 24 [2021-03-12 19:16:50,842 INFO L628 ElimStorePlain]: treesize reduction 4, result has 89.7 percent of original size [2021-03-12 19:16:50,857 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:16:50,857 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:141, output treesize:22 [2021-03-12 19:16:51,363 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 14 [2021-03-12 19:16:51,742 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 0 proven. 546 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:16:51,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:16:51,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 44] total 82 [2021-03-12 19:16:51,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19938491] [2021-03-12 19:16:51,743 INFO L460 AbstractCegarLoop]: Interpolant automaton has 82 states [2021-03-12 19:16:51,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:16:51,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2021-03-12 19:16:51,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=534, Invalid=6108, Unknown=0, NotChecked=0, Total=6642 [2021-03-12 19:16:51,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:16:51,744 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:16:51,744 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 82 states, 82 states have (on average 1.9878048780487805) internal successors, (163), 82 states have internal predecessors, (163), 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 19:16:51,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:16:51,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 19:16:51,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 19:16:51,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:16:51,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 19:16:51,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:16:51,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 19:16:51,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:16:51,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 19:16:51,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-03-12 19:16:51,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:16:51,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:16:51,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-03-12 19:16:51,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-03-12 19:16:51,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-03-12 19:16:51,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-03-12 19:16:51,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-03-12 19:16:51,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-03-12 19:16:51,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-03-12 19:16:51,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-03-12 19:16:51,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-03-12 19:16:51,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:16:53,603 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-03-12 19:16:54,834 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2021-03-12 19:16:55,952 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 34 [2021-03-12 19:16:57,084 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2021-03-12 19:16:57,797 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 37 [2021-03-12 19:16:58,807 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-03-12 19:16:59,455 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 33 [2021-03-12 19:17:00,428 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-03-12 19:17:01,191 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 35 [2021-03-12 19:17:02,259 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2021-03-12 19:17:02,891 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 38 [2021-03-12 19:17:04,005 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 66 [2021-03-12 19:17:04,688 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 39 [2021-03-12 19:17:05,741 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-03-12 19:17:06,492 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 42 [2021-03-12 19:17:07,774 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2021-03-12 19:17:08,467 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 43 [2021-03-12 19:17:09,576 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2021-03-12 19:17:10,231 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 45 [2021-03-12 19:17:11,284 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2021-03-12 19:17:11,950 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 48 [2021-03-12 19:17:13,611 WARN L205 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 90 [2021-03-12 19:17:14,584 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 49 [2021-03-12 19:17:16,065 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 93 [2021-03-12 19:17:17,257 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 99 [2021-03-12 19:17:18,984 WARN L205 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 99 [2021-03-12 19:17:20,308 WARN L205 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 104 [2021-03-12 19:17:21,795 WARN L205 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 106 [2021-03-12 19:17:22,799 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 58 [2021-03-12 19:17:24,891 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 183 DAG size of output: 162 [2021-03-12 19:17:27,430 WARN L205 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 194 DAG size of output: 172 [2021-03-12 19:17:28,777 WARN L205 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 126 [2021-03-12 19:17:30,180 WARN L205 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 126 [2021-03-12 19:17:31,572 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 156 DAG size of output: 136 [2021-03-12 19:17:33,479 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 161 DAG size of output: 141 [2021-03-12 19:17:34,141 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-12 19:17:34,877 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2021-03-12 19:17:35,083 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-03-12 19:17:35,835 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2021-03-12 19:17:36,832 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2021-03-12 19:17:37,126 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 19:17:37,813 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2021-03-12 19:17:38,048 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 19:17:38,726 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2021-03-12 19:17:38,974 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 19:17:39,699 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2021-03-12 19:17:40,680 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-03-12 19:17:40,970 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-03-12 19:17:41,719 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 65 [2021-03-12 19:17:41,998 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-03-12 19:17:42,784 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2021-03-12 19:17:43,860 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2021-03-12 19:17:44,190 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-03-12 19:17:45,007 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2021-03-12 19:17:45,338 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-03-12 19:17:46,242 WARN L205 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2021-03-12 19:17:46,618 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-03-12 19:17:47,407 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2021-03-12 19:17:47,751 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-03-12 19:17:48,475 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-03-12 19:17:49,046 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-03-12 19:17:49,507 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2021-03-12 19:17:51,901 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-03-12 19:17:53,092 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-03-12 19:17:55,557 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2021-03-12 19:17:57,128 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2021-03-12 19:17:58,525 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-03-12 19:18:00,366 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-03-12 19:18:01,149 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-03-12 19:18:02,062 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-03-12 19:18:03,897 WARN L205 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2021-03-12 19:18:04,891 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2021-03-12 19:18:05,728 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-03-12 19:18:07,561 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2021-03-12 19:18:08,319 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-03-12 19:18:09,197 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 19:18:11,306 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-03-12 19:18:12,097 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-03-12 19:18:12,911 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-03-12 19:18:14,643 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2021-03-12 19:18:15,445 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-03-12 19:18:16,272 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 19:18:18,047 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2021-03-12 19:18:18,837 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-03-12 19:18:19,760 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 19:18:21,418 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2021-03-12 19:18:22,111 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-12 19:18:22,854 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 19:18:24,652 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2021-03-12 19:18:25,465 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 19:18:26,285 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-03-12 19:18:28,023 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2021-03-12 19:18:28,783 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-12 19:18:29,566 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-03-12 19:18:31,297 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2021-03-12 19:18:32,016 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 19:18:32,754 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-03-12 19:18:34,413 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2021-03-12 19:18:35,200 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 19:18:35,780 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-03-12 19:18:37,054 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 76 [2021-03-12 19:18:37,657 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 19:18:38,244 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-03-12 19:18:39,564 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2021-03-12 19:18:40,152 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-03-12 19:18:40,828 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-03-12 19:18:41,883 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2021-03-12 19:18:42,444 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-03-12 19:18:43,313 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2021-03-12 19:18:44,250 WARN L205 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 118 [2021-03-12 19:18:44,968 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2021-03-12 19:18:45,805 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2021-03-12 19:18:47,329 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-03-12 19:18:48,483 WARN L205 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 131 [2021-03-12 19:18:48,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:18:48,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 19:18:48,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 19:18:48,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:18:48,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 19:18:48,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:18:48,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 19:18:48,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:18:48,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 19:18:48,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 19:18:48,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:18:48,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:18:48,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-03-12 19:18:48,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-12 19:18:48,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-03-12 19:18:48,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-03-12 19:18:48,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-12 19:18:48,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-03-12 19:18:48,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-03-12 19:18:48,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-03-12 19:18:48,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-03-12 19:18:48,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-03-12 19:18:48,935 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable599 [2021-03-12 19:18:48,935 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:18:48,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:18:48,935 INFO L82 PathProgramCache]: Analyzing trace with hash -1429073096, now seen corresponding path program 19 times [2021-03-12 19:18:48,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:18:48,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371624934] [2021-03-12 19:18:48,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:18:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:18:49,398 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2021-03-12 19:18:49,726 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2021-03-12 19:18:50,012 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2021-03-12 19:18:50,322 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2021-03-12 19:18:50,577 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2021-03-12 19:18:50,845 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2021-03-12 19:18:51,162 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2021-03-12 19:18:51,452 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2021-03-12 19:18:51,756 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2021-03-12 19:18:52,063 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-03-12 19:18:52,399 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2021-03-12 19:18:52,756 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2021-03-12 19:18:53,084 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-03-12 19:18:53,432 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2021-03-12 19:18:53,788 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-03-12 19:18:54,188 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2021-03-12 19:18:54,724 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2021-03-12 19:18:55,306 WARN L205 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2021-03-12 19:18:55,683 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-03-12 19:18:55,967 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-03-12 19:18:56,252 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-03-12 19:18:56,949 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-03-12 19:18:58,298 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2021-03-12 19:18:58,767 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2021-03-12 19:18:59,565 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2021-03-12 19:19:00,318 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2021-03-12 19:19:00,749 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2021-03-12 19:19:01,198 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2021-03-12 19:19:01,650 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2021-03-12 19:19:03,156 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 126 proven. 488 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:19:03,156 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371624934] [2021-03-12 19:19:03,156 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447345439] [2021-03-12 19:19:03,156 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 19:19:03,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:19:03,220 WARN L261 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 154 conjunts are in the unsatisfiable core [2021-03-12 19:19:03,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:19:07,745 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-03-12 19:19:15,618 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-12 19:19:16,334 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 19:19:19,042 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-12 19:19:24,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:19:24,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:19:24,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:19:24,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:19:24,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:19:24,951 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 19:19:24,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:19:24,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:19:24,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:19:24,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:19:24,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:19:24,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:19:24,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:19:25,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:19:25,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:19:25,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:19:25,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:19:25,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:19:25,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:19:25,035 INFO L244 Elim1Store]: Index analysis took 111 ms [2021-03-12 19:19:25,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 153 disjoint index pairs (out of 171 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 45 [2021-03-12 19:19:25,048 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:19:25,086 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:19:25,093 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:19:25,093 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:126, output treesize:5 [2021-03-12 19:19:25,456 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 0 proven. 614 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:19:25,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:19:25,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 43] total 83 [2021-03-12 19:19:25,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802269081] [2021-03-12 19:19:25,456 INFO L460 AbstractCegarLoop]: Interpolant automaton has 83 states [2021-03-12 19:19:25,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:19:25,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2021-03-12 19:19:25,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=588, Invalid=6218, Unknown=0, NotChecked=0, Total=6806 [2021-03-12 19:19:25,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:19:25,458 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:19:25,458 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 83 states, 83 states have (on average 2.0602409638554215) internal successors, (171), 83 states have internal predecessors, (171), 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 19:19:25,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:19:25,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 19:19:25,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 19:19:25,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:19:25,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 19:19:25,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:19:25,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 19:19:25,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:19:25,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 19:19:25,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-03-12 19:19:25,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:19:25,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:19:25,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-03-12 19:19:25,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-03-12 19:19:25,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-03-12 19:19:25,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-03-12 19:19:25,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-03-12 19:19:25,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-03-12 19:19:25,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-03-12 19:19:25,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-03-12 19:19:25,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-03-12 19:19:25,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2021-03-12 19:19:25,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:19:27,682 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-03-12 19:19:29,143 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2021-03-12 19:19:30,347 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 30 [2021-03-12 19:19:31,576 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-03-12 19:19:32,425 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 31 [2021-03-12 19:19:33,613 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-03-12 19:19:34,373 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 33 [2021-03-12 19:19:35,521 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2021-03-12 19:19:36,394 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 36 [2021-03-12 19:19:37,621 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 63 [2021-03-12 19:19:38,359 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 39 [2021-03-12 19:19:39,564 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-03-12 19:19:40,276 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 42 [2021-03-12 19:19:41,341 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2021-03-12 19:19:42,071 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 45 [2021-03-12 19:19:43,220 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2021-03-12 19:19:43,958 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 43 [2021-03-12 19:19:45,381 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2021-03-12 19:19:46,193 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 45 [2021-03-12 19:19:47,418 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2021-03-12 19:19:48,146 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 47 [2021-03-12 19:19:49,350 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2021-03-12 19:19:50,109 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 49 [2021-03-12 19:19:51,355 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 93 [2021-03-12 19:19:52,221 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 51 [2021-03-12 19:19:53,542 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2021-03-12 19:19:54,337 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 54 [2021-03-12 19:19:55,751 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2021-03-12 19:19:56,673 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 55 [2021-03-12 19:19:58,244 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 111 [2021-03-12 19:19:59,289 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 61 [2021-03-12 19:20:01,429 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 183 DAG size of output: 169 [2021-03-12 19:20:04,028 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 194 DAG size of output: 179 [2021-03-12 19:20:05,713 WARN L205 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 129 [2021-03-12 19:20:07,289 WARN L205 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-03-12 19:20:08,899 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 160 DAG size of output: 141 [2021-03-12 19:20:10,992 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 165 DAG size of output: 146 [2021-03-12 19:20:11,777 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-03-12 19:20:12,553 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 89 [2021-03-12 19:20:12,901 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-03-12 19:20:13,847 WARN L205 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2021-03-12 19:20:14,209 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-03-12 19:20:14,985 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2021-03-12 19:20:15,359 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-03-12 19:20:16,125 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2021-03-12 19:20:16,530 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 19:20:17,436 WARN L205 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2021-03-12 19:20:17,824 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 19:20:18,620 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2021-03-12 19:20:18,987 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-03-12 19:20:19,750 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2021-03-12 19:20:20,168 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 19:20:20,943 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-03-12 19:20:21,343 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-03-12 19:20:22,128 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 65 [2021-03-12 19:20:22,661 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-03-12 19:20:23,758 WARN L205 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2021-03-12 19:20:24,223 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-03-12 19:20:25,063 WARN L205 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2021-03-12 19:20:25,517 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-03-12 19:20:26,370 WARN L205 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2021-03-12 19:20:26,875 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-03-12 19:20:27,748 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2021-03-12 19:20:28,270 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-03-12 19:20:29,200 WARN L205 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2021-03-12 19:20:29,714 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-03-12 19:20:30,585 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-03-12 19:20:31,343 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-03-12 19:20:32,003 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2021-03-12 19:20:35,164 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-03-12 19:20:36,534 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-03-12 19:20:39,251 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2021-03-12 19:20:41,243 WARN L205 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2021-03-12 19:20:42,805 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-03-12 19:20:45,121 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-03-12 19:20:45,885 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-03-12 19:20:46,984 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-03-12 19:20:49,018 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2021-03-12 19:20:50,089 WARN L205 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2021-03-12 19:20:51,019 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-03-12 19:20:53,135 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2021-03-12 19:20:54,046 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-03-12 19:20:55,002 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 19:20:57,255 WARN L205 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-03-12 19:20:58,118 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-03-12 19:20:59,039 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-03-12 19:21:01,385 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2021-03-12 19:21:02,644 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-03-12 19:21:03,675 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 19:21:06,173 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2021-03-12 19:21:07,048 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-03-12 19:21:07,969 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 19:21:10,026 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2021-03-12 19:21:10,868 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-12 19:21:11,782 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 19:21:13,855 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2021-03-12 19:21:14,820 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 19:21:15,701 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-03-12 19:21:17,648 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2021-03-12 19:21:18,447 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-12 19:21:19,418 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-03-12 19:21:21,271 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2021-03-12 19:21:22,055 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 19:21:22,866 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-03-12 19:21:24,764 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2021-03-12 19:21:25,566 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-12 19:21:26,361 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-03-12 19:21:28,129 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 76 [2021-03-12 19:21:28,871 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 19:21:29,651 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-03-12 19:21:31,363 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2021-03-12 19:21:32,113 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-03-12 19:21:32,901 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-12 19:21:34,638 WARN L205 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2021-03-12 19:21:35,404 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-03-12 19:21:36,331 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-03-12 19:21:37,870 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2021-03-12 19:21:38,591 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-03-12 19:21:39,925 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2021-03-12 19:21:40,955 WARN L205 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 123 [2021-03-12 19:21:42,097 WARN L205 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-03-12 19:21:43,189 WARN L205 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2021-03-12 19:21:45,109 WARN L205 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-03-12 19:21:46,545 WARN L205 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 136 [2021-03-12 19:21:46,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:21:46,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 19:21:46,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 19:21:46,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:21:46,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 19:21:46,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:21:46,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 19:21:46,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:21:46,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 19:21:46,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 19:21:46,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:21:46,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:21:46,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-03-12 19:21:46,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-12 19:21:46,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-03-12 19:21:46,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-03-12 19:21:46,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-12 19:21:46,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-03-12 19:21:46,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-03-12 19:21:46,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-03-12 19:21:46,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-03-12 19:21:46,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-03-12 19:21:46,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2021-03-12 19:21:47,068 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable620,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 19:21:47,068 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:21:47,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:21:47,068 INFO L82 PathProgramCache]: Analyzing trace with hash -632188296, now seen corresponding path program 20 times [2021-03-12 19:21:47,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:21:47,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013099632] [2021-03-12 19:21:47,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:21:47,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:21:47,535 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 17 [2021-03-12 19:21:47,703 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2021-03-12 19:21:47,848 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2021-03-12 19:21:48,163 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2021-03-12 19:21:48,503 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2021-03-12 19:21:48,843 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2021-03-12 19:21:49,209 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2021-03-12 19:21:49,615 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2021-03-12 19:21:50,000 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2021-03-12 19:21:50,421 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2021-03-12 19:21:50,803 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2021-03-12 19:21:51,215 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-03-12 19:21:51,669 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2021-03-12 19:21:52,108 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2021-03-12 19:21:52,600 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-03-12 19:21:53,093 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2021-03-12 19:21:53,624 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-03-12 19:21:54,137 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2021-03-12 19:21:54,704 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2021-03-12 19:21:55,468 WARN L205 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2021-03-12 19:21:56,289 WARN L205 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2021-03-12 19:21:56,676 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-03-12 19:21:57,077 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-12 19:21:57,434 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-03-12 19:21:57,792 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-03-12 19:21:58,264 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-03-12 19:21:58,871 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-03-12 19:21:59,238 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 19:21:59,630 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 19:22:00,061 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-03-12 19:22:00,813 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2021-03-12 19:22:01,521 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2021-03-12 19:22:01,955 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-03-12 19:22:02,611 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2021-03-12 19:22:03,158 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2021-03-12 19:22:03,749 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2021-03-12 19:22:04,327 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2021-03-12 19:22:04,950 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2021-03-12 19:22:05,658 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2021-03-12 19:22:07,746 INFO L134 CoverageAnalysis]: Checked inductivity of 686 backedges. 126 proven. 560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:22:07,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013099632] [2021-03-12 19:22:07,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [406813885] [2021-03-12 19:22:07,747 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 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 19:22:07,795 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 19:22:07,795 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 19:22:07,797 WARN L261 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 162 conjunts are in the unsatisfiable core [2021-03-12 19:22:07,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:22:09,204 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2021-03-12 19:22:09,703 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2021-03-12 19:22:10,245 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2021-03-12 19:22:10,778 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-03-12 19:22:11,314 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2021-03-12 19:22:11,863 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-03-12 19:22:12,426 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-03-12 19:22:13,029 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-03-12 19:22:13,669 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-03-12 19:22:14,362 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-03-12 19:22:15,069 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-03-12 19:22:15,810 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-03-12 19:22:16,569 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-03-12 19:22:17,353 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-12 19:22:18,149 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-03-12 19:22:18,935 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-03-12 19:22:19,594 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-12 19:22:20,355 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-12 19:22:25,154 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-03-12 19:22:26,727 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 19:22:27,504 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-03-12 19:22:28,294 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-03-12 19:22:30,175 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-03-12 19:22:32,059 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 19:22:34,157 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-03-12 19:22:35,268 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-03-12 19:22:36,308 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 19:22:37,326 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 19:22:38,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:22:38,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:22:38,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:22:38,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:22:38,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:22:38,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:22:38,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:22:38,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:22:38,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:22:38,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:22:38,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:22:38,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:22:38,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:22:38,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:22:38,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:22:38,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:22:38,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:22:38,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:22:38,957 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 19:22:38,958 INFO L244 Elim1Store]: Index analysis took 125 ms [2021-03-12 19:22:38,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 171 disjoint index pairs (out of 190 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 47 [2021-03-12 19:22:38,975 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:22:39,035 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:22:39,045 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:22:39,045 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:132, output treesize:5 [2021-03-12 19:22:39,553 INFO L134 CoverageAnalysis]: Checked inductivity of 686 backedges. 0 proven. 686 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:22:39,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:22:39,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 45] total 87 [2021-03-12 19:22:39,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393037872] [2021-03-12 19:22:39,554 INFO L460 AbstractCegarLoop]: Interpolant automaton has 87 states [2021-03-12 19:22:39,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:22:39,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-03-12 19:22:39,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=635, Invalid=6847, Unknown=0, NotChecked=0, Total=7482 [2021-03-12 19:22:39,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:22:39,555 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:22:39,556 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 87 states, 87 states have (on average 2.057471264367816) internal successors, (179), 87 states have internal predecessors, (179), 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 19:22:39,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 19:22:39,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 19:22:39,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 19:22:39,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:22:39,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 19:22:39,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:22:39,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 19:22:39,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 19:22:39,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 19:22:39,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-03-12 19:22:39,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:22:39,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:22:39,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-03-12 19:22:39,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-03-12 19:22:39,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-03-12 19:22:39,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-03-12 19:22:39,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-03-12 19:22:39,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-03-12 19:22:39,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-03-12 19:22:39,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-03-12 19:22:39,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-03-12 19:22:39,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2021-03-12 19:22:39,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2021-03-12 19:22:39,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:22:42,738 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2021-03-12 19:22:44,707 WARN L205 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2021-03-12 19:22:46,373 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 32 [2021-03-12 19:22:47,964 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-03-12 19:22:49,043 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 31 [2021-03-12 19:22:50,587 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-03-12 19:22:51,572 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 33 [2021-03-12 19:22:53,121 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-03-12 19:22:54,425 WARN L205 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 35 [2021-03-12 19:22:56,301 WARN L205 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2021-03-12 19:22:57,313 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 38 [2021-03-12 19:22:58,894 WARN L205 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-03-12 19:23:00,121 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 41 [2021-03-12 19:23:01,951 WARN L205 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2021-03-12 19:23:02,983 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 44 [2021-03-12 19:23:04,610 WARN L205 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2021-03-12 19:23:05,659 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 43 [2021-03-12 19:23:07,224 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2021-03-12 19:23:08,279 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 46 [2021-03-12 19:23:09,840 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2021-03-12 19:23:10,834 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 49 [2021-03-12 19:23:12,436 WARN L205 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 89 [2021-03-12 19:23:13,545 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 52 [2021-03-12 19:23:15,295 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 93 [2021-03-12 19:23:16,372 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 51 [2021-03-12 19:23:18,143 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2021-03-12 19:23:19,407 WARN L205 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 53 [2021-03-12 19:23:21,372 WARN L205 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2021-03-12 19:23:22,558 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 55 [2021-03-12 19:23:24,676 WARN L205 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 110 [2021-03-12 19:23:25,930 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 57 [2021-03-12 19:23:28,008 WARN L205 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 116 [2021-03-12 19:23:29,573 WARN L205 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 63 [2021-03-12 19:23:32,115 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 190 DAG size of output: 176 [2021-03-12 19:23:35,224 WARN L205 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 201 DAG size of output: 186 [2021-03-12 19:23:36,896 WARN L205 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 134 [2021-03-12 19:23:38,859 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 154 DAG size of output: 136 [2021-03-12 19:23:40,621 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 165 DAG size of output: 146 Received shutdown request... [2021-03-12 19:23:41,584 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable621 [2021-03-12 19:23:41,584 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-12 19:23:41,615 WARN L224 ceAbstractionStarter]: Timeout [2021-03-12 19:23:41,615 INFO L202 PluginConnector]: Adding new model sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 07:23:41 BasicIcfg [2021-03-12 19:23:41,615 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 19:23:41,623 INFO L168 Benchmark]: Toolchain (without parser) took 878352.17 ms. Allocated memory was 323.0 MB in the beginning and 809.5 MB in the end (delta: 486.5 MB). Free memory was 302.7 MB in the beginning and 291.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 500.0 MB. Max. memory is 16.0 GB. [2021-03-12 19:23:41,623 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 323.0 MB. Free memory was 303.9 MB in the beginning and 303.8 MB in the end (delta: 78.6 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 19:23:41,623 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.07 ms. Allocated memory is still 323.0 MB. Free memory was 302.2 MB in the beginning and 300.8 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 19:23:41,623 INFO L168 Benchmark]: Boogie Preprocessor took 34.03 ms. Allocated memory is still 323.0 MB. Free memory was 300.8 MB in the beginning and 299.8 MB in the end (delta: 994.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 19:23:41,623 INFO L168 Benchmark]: RCFGBuilder took 390.71 ms. Allocated memory is still 323.0 MB. Free memory was 299.7 MB in the beginning and 287.0 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-03-12 19:23:41,623 INFO L168 Benchmark]: TraceAbstraction took 877210.11 ms. Allocated memory was 323.0 MB in the beginning and 809.5 MB in the end (delta: 486.5 MB). Free memory was 286.6 MB in the beginning and 291.1 MB in the end (delta: -4.6 MB). Peak memory consumption was 483.2 MB. Max. memory is 16.0 GB. [2021-03-12 19:23:41,623 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 0.16 ms. Allocated memory is still 323.0 MB. Free memory was 303.9 MB in the beginning and 303.8 MB in the end (delta: 78.6 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 61.07 ms. Allocated memory is still 323.0 MB. Free memory was 302.2 MB in the beginning and 300.8 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 34.03 ms. Allocated memory is still 323.0 MB. Free memory was 300.8 MB in the beginning and 299.8 MB in the end (delta: 994.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 390.71 ms. Allocated memory is still 323.0 MB. Free memory was 299.7 MB in the beginning and 287.0 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 877210.11 ms. Allocated memory was 323.0 MB in the beginning and 809.5 MB in the end (delta: 486.5 MB). Free memory was 286.6 MB in the beginning and 291.1 MB in the end (delta: -4.6 MB). Peak memory consumption was 483.2 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 32273, positive: 28226, positive conditional: 28226, positive unconditional: 0, negative: 4047, negative conditional: 4047, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 28226, positive: 28226, positive conditional: 28226, 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: 28226, positive: 28226, positive conditional: 0, positive unconditional: 28226, 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: 39, positive: 39, positive conditional: 0, positive unconditional: 39, 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: 39, positive: 39, positive conditional: 0, positive unconditional: 39, 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: 28226, positive: 28187, positive conditional: 0, positive unconditional: 28187, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 39, unknown conditional: 0, unknown unconditional: 39] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, 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): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, 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): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, 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): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, 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): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, 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): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, 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): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, 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): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, 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): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, 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): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, 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): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, 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): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, 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): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, 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): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, 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): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, 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): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, 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): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, 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): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, 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): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, 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): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, 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): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, 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): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, 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): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, 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): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, 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): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, 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: 4047 - TimeoutResultAtElement [Line: 66]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 66). Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 125 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 877024.1ms, OverallIterations: 24, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 18.2ms, PartialOrderReductionTime: 644381.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1207, 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: 211.6ms SsaConstructionTime, 1200.0ms SatisfiabilityAnalysisTime, 225583.5ms InterpolantComputationTime, 2462 NumberOfCodeBlocks, 2462 NumberOfCodeBlocksAsserted, 144 NumberOfCheckSat, 2416 ConstructedInterpolants, 306 QuantifiedInterpolants, 142510 SizeOfPredicates, 114 NumberOfNonLiveVariables, 3096 ConjunctsInSsa, 1401 ConjunctsInUnsatCore, 46 InterpolantComputations, 2 PerfectInterpolantSequences, 1666/9557 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