/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/unroll-cond-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a865e3bea3ade1065a4c95009cfa501fe03c5538-a865e3b [2021-02-20 00:02:08,466 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-20 00:02:08,468 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-20 00:02:08,493 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-20 00:02:08,494 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-20 00:02:08,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-20 00:02:08,496 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-20 00:02:08,497 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-20 00:02:08,499 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-20 00:02:08,500 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-20 00:02:08,500 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-20 00:02:08,501 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-20 00:02:08,502 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-20 00:02:08,502 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-20 00:02:08,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-20 00:02:08,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-20 00:02:08,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-20 00:02:08,505 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-20 00:02:08,507 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-20 00:02:08,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-20 00:02:08,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-20 00:02:08,510 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-20 00:02:08,511 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-20 00:02:08,512 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-20 00:02:08,514 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-20 00:02:08,515 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-20 00:02:08,515 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-20 00:02:08,515 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-20 00:02:08,516 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-20 00:02:08,516 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-20 00:02:08,517 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-20 00:02:08,517 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-20 00:02:08,518 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-20 00:02:08,519 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-20 00:02:08,520 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-20 00:02:08,520 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-20 00:02:08,520 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-20 00:02:08,521 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-20 00:02:08,521 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-20 00:02:08,521 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-20 00:02:08,522 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-20 00:02:08,526 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 [2021-02-20 00:02:08,555 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-20 00:02:08,555 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-20 00:02:08,556 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-02-20 00:02:08,556 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-02-20 00:02:08,559 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-20 00:02:08,559 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-20 00:02:08,559 INFO L138 SettingsManager]: * Use SBE=true [2021-02-20 00:02:08,559 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-20 00:02:08,559 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-20 00:02:08,559 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-20 00:02:08,560 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-20 00:02:08,560 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-20 00:02:08,560 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-20 00:02:08,560 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-20 00:02:08,561 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-20 00:02:08,561 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-20 00:02:08,561 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-20 00:02:08,561 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-20 00:02:08,561 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-20 00:02:08,561 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-20 00:02:08,561 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-20 00:02:08,562 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-20 00:02:08,562 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-20 00:02:08,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-20 00:02:08,562 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-20 00:02:08,562 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-20 00:02:08,562 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-20 00:02:08,562 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-20 00:02:08,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-20 00:02:08,563 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-02-20 00:02:08,563 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-02-20 00:02:08,563 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-20 00:02:08,563 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-02-20 00:02:08,563 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-20 00:02:08,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-20 00:02:08,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-20 00:02:08,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-20 00:02:08,884 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-02-20 00:02:08,885 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-02-20 00:02:08,886 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl [2021-02-20 00:02:08,886 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl' [2021-02-20 00:02:08,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-20 00:02:08,922 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-20 00:02:08,923 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-02-20 00:02:08,923 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-02-20 00:02:08,923 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-02-20 00:02:08,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:02:08" (1/1) ... [2021-02-20 00:02:08,940 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:02:08" (1/1) ... [2021-02-20 00:02:08,947 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-02-20 00:02:08,949 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-20 00:02:08,949 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-20 00:02:08,949 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-20 00:02:08,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:02:08" (1/1) ... [2021-02-20 00:02:08,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:02:08" (1/1) ... [2021-02-20 00:02:08,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:02:08" (1/1) ... [2021-02-20 00:02:08,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:02:08" (1/1) ... [2021-02-20 00:02:08,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:02:08" (1/1) ... [2021-02-20 00:02:08,964 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:02:08" (1/1) ... [2021-02-20 00:02:08,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:02:08" (1/1) ... [2021-02-20 00:02:08,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-20 00:02:08,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-20 00:02:08,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-20 00:02:08,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-20 00:02:08,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:02:08" (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 [2021-02-20 00:02:09,018 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-02-20 00:02:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-02-20 00:02:09,019 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-02-20 00:02:09,019 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-02-20 00:02:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-02-20 00:02:09,019 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-02-20 00:02:09,019 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-02-20 00:02:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-20 00:02:09,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-20 00:02:09,020 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-02-20 00:02:09,251 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-20 00:02:09,252 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-02-20 00:02:09,252 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-02-20 00:02:09,253 INFO L202 PluginConnector]: Adding new model unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 12:02:09 BoogieIcfgContainer [2021-02-20 00:02:09,254 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-20 00:02:09,255 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-20 00:02:09,255 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-20 00:02:09,257 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-20 00:02:09,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:02:08" (1/2) ... [2021-02-20 00:02:09,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c530f27 and model type unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 12:02:09, skipping insertion in model container [2021-02-20 00:02:09,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 12:02:09" (2/2) ... [2021-02-20 00:02:09,259 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-4.wvr.bpl [2021-02-20 00:02:09,263 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-02-20 00:02:09,263 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-20 00:02:09,266 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-20 00:02:09,267 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-02-20 00:02:09,300 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-02-20 00:02:09,314 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-02-20 00:02:09,350 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-20 00:02:09,350 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-20 00:02:09,350 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-20 00:02:09,350 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-20 00:02:09,350 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-20 00:02:09,350 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-20 00:02:09,351 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-20 00:02:09,352 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-20 00:02:09,373 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:02:09,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:02:09,377 INFO L82 PathProgramCache]: Analyzing trace with hash -1298021158, now seen corresponding path program 1 times [2021-02-20 00:02:09,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:02:09,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494095430] [2021-02-20 00:02:09,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:02:09,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:02:09,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:02:09,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494095430] [2021-02-20 00:02:09,573 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-20 00:02:09,573 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-20 00:02:09,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647592546] [2021-02-20 00:02:09,576 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-20 00:02:09,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:02:09,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-20 00:02:09,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-20 00:02:09,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:02:09,593 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:02:09,595 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-20 00:02:09,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:02:09,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-20 00:02:09,715 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-20 00:02:09,715 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:02:09,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:02:09,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1876900072, now seen corresponding path program 1 times [2021-02-20 00:02:09,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:02:09,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377288347] [2021-02-20 00:02:09,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:02:09,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:02:09,972 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 26 [2021-02-20 00:02:09,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:02:09,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377288347] [2021-02-20 00:02:09,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [578087510] [2021-02-20 00:02:09,997 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 [2021-02-20 00:02:10,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:02:10,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 16 conjunts are in the unsatisfiable core [2021-02-20 00:02:10,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:02:10,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-02-20 00:02:10,213 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-20 00:02:10,215 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:02:10,216 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-20 00:02:10,216 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2021-02-20 00:02:10,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:02:10,233 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:02:10,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-02-20 00:02:10,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222995696] [2021-02-20 00:02:10,236 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-20 00:02:10,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:02:10,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-20 00:02:10,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-02-20 00:02:10,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:02:10,238 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:02:10,239 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-20 00:02:10,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-20 00:02:10,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:02:10,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-20 00:02:10,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:02:10,506 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:02:10,506 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:02:10,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:02:10,507 INFO L82 PathProgramCache]: Analyzing trace with hash 1515210394, now seen corresponding path program 2 times [2021-02-20 00:02:10,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:02:10,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917188723] [2021-02-20 00:02:10,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:02:10,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:02:10,745 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:02:10,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917188723] [2021-02-20 00:02:10,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [204383854] [2021-02-20 00:02:10,746 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 [2021-02-20 00:02:10,768 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-20 00:02:10,768 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:02:10,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 20 conjunts are in the unsatisfiable core [2021-02-20 00:02:10,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:02:10,858 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:02:10,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 18 [2021-02-20 00:02:10,861 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-20 00:02:10,862 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:02:10,863 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-20 00:02:10,863 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-02-20 00:02:10,874 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:02:10,875 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:02:10,875 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-02-20 00:02:10,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245379612] [2021-02-20 00:02:10,875 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-20 00:02:10,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:02:10,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-20 00:02:10,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-02-20 00:02:10,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:02:10,877 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:02:10,877 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-20 00:02:10,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-20 00:02:10,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:02:10,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:02:10,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-20 00:02:10,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:02:10,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:02:11,160 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:02:11,161 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:02:11,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:02:11,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1107235032, now seen corresponding path program 3 times [2021-02-20 00:02:11,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:02:11,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043540052] [2021-02-20 00:02:11,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:02:11,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:02:11,279 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:02:11,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043540052] [2021-02-20 00:02:11,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [750381692] [2021-02-20 00:02:11,279 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:02:11,302 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-02-20 00:02:11,302 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:02:11,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 19 conjunts are in the unsatisfiable core [2021-02-20 00:02:11,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:02:11,535 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:02:11,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-02-20 00:02:11,559 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-20 00:02:11,560 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:02:11,561 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-20 00:02:11,561 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-02-20 00:02:11,570 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:02:11,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:02:11,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-02-20 00:02:11,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173360269] [2021-02-20 00:02:11,571 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-20 00:02:11,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:02:11,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-20 00:02:11,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-02-20 00:02:11,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:02:11,573 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:02:11,573 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-20 00:02:11,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-20 00:02:11,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:02:11,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:02:11,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:02:11,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-20 00:02:11,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:02:11,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:02:11,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:02:11,842 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:02:11,842 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:02:11,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:02:11,842 INFO L82 PathProgramCache]: Analyzing trace with hash -798664614, now seen corresponding path program 4 times [2021-02-20 00:02:11,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:02:11,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854416025] [2021-02-20 00:02:11,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:02:11,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:02:11,893 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:02:11,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854416025] [2021-02-20 00:02:11,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2137172624] [2021-02-20 00:02:11,893 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-02-20 00:02:11,932 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-02-20 00:02:11,932 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:02:11,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 6 conjunts are in the unsatisfiable core [2021-02-20 00:02:11,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:02:11,996 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:02:11,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:02:11,996 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-02-20 00:02:11,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738998567] [2021-02-20 00:02:11,997 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-20 00:02:11,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:02:11,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-20 00:02:11,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-02-20 00:02:11,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:02:11,997 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:02:11,997 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-20 00:02:11,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-20 00:02:11,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:02:11,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:02:11,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:02:11,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:02:12,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-20 00:02:12,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:02:12,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:02:12,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:02:12,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-20 00:02:12,258 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-02-20 00:02:12,258 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:02:12,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:02:12,259 INFO L82 PathProgramCache]: Analyzing trace with hash 1836815933, now seen corresponding path program 1 times [2021-02-20 00:02:12,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:02:12,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677812485] [2021-02-20 00:02:12,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:02:12,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:02:12,377 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:02:12,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677812485] [2021-02-20 00:02:12,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445825134] [2021-02-20 00:02:12,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-02-20 00:02:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:02:12,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 26 conjunts are in the unsatisfiable core [2021-02-20 00:02:12,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:02:12,677 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:02:12,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-02-20 00:02:12,731 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-20 00:02:12,732 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:02:12,733 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-20 00:02:12,733 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-02-20 00:02:12,739 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:02:12,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:02:12,740 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-02-20 00:02:12,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060750455] [2021-02-20 00:02:12,740 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-02-20 00:02:12,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:02:12,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-02-20 00:02:12,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2021-02-20 00:02:12,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:02:12,741 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:02:12,741 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 16 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-20 00:02:12,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-20 00:02:12,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:02:12,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:02:12,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:02:12,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-20 00:02:12,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:02:12,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-20 00:02:12,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:02:12,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:02:12,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:02:12,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-20 00:02:12,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-20 00:02:13,083 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:02:13,083 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:02:13,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:02:13,083 INFO L82 PathProgramCache]: Analyzing trace with hash 2020244207, now seen corresponding path program 2 times [2021-02-20 00:02:13,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:02:13,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449064009] [2021-02-20 00:02:13,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:02:13,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:02:13,213 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:02:13,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449064009] [2021-02-20 00:02:13,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755861403] [2021-02-20 00:02:13,213 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 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 [2021-02-20 00:02:13,236 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-20 00:02:13,236 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:02:13,237 WARN L261 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 36 conjunts are in the unsatisfiable core [2021-02-20 00:02:13,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:02:13,442 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:02:13,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 27 treesize of output 99 [2021-02-20 00:02:13,529 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-20 00:02:13,530 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:02:13,531 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-20 00:02:13,531 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-02-20 00:02:13,537 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:02:13,537 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:02:13,537 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-02-20 00:02:13,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115616535] [2021-02-20 00:02:13,541 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-02-20 00:02:13,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:02:13,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-02-20 00:02:13,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-02-20 00:02:13,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:02:13,542 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:02:13,542 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-20 00:02:13,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-20 00:02:13,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:02:13,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:02:13,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:02:13,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-20 00:02:13,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-20 00:02:13,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:02:13,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-20 00:02:13,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:02:13,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:02:13,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:02:13,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-20 00:02:13,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-20 00:02:13,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-20 00:02:13,873 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:02:13,873 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:02:13,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:02:13,873 INFO L82 PathProgramCache]: Analyzing trace with hash -883413891, now seen corresponding path program 3 times [2021-02-20 00:02:13,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:02:13,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737690831] [2021-02-20 00:02:13,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:02:13,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:02:14,016 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:02:14,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737690831] [2021-02-20 00:02:14,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1695367521] [2021-02-20 00:02:14,016 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 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 [2021-02-20 00:02:14,049 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-02-20 00:02:14,049 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:02:14,050 WARN L261 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 40 conjunts are in the unsatisfiable core [2021-02-20 00:02:14,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:02:14,319 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:02:14,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 31 treesize of output 142 [2021-02-20 00:02:14,523 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-20 00:02:14,524 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:02:14,524 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-20 00:02:14,525 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-02-20 00:02:14,530 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:02:14,530 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:02:14,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-02-20 00:02:14,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925020192] [2021-02-20 00:02:14,531 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-02-20 00:02:14,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:02:14,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-02-20 00:02:14,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2021-02-20 00:02:14,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:02:14,532 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:02:14,532 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.380952380952381) internal successors, (29), 20 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-20 00:02:14,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-20 00:02:14,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:02:14,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:02:14,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:02:14,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-20 00:02:14,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-20 00:02:14,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-20 00:02:14,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:02:14,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-20 00:02:14,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:02:14,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:02:14,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:02:14,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-20 00:02:14,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-20 00:02:14,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-20 00:02:14,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:02:14,862 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2021-02-20 00:02:14,863 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:02:14,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:02:14,863 INFO L82 PathProgramCache]: Analyzing trace with hash -702501713, now seen corresponding path program 4 times [2021-02-20 00:02:14,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:02:14,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221543147] [2021-02-20 00:02:14,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:02:14,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:02:15,012 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:02:15,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221543147] [2021-02-20 00:02:15,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096710123] [2021-02-20 00:02:15,012 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 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 [2021-02-20 00:02:15,032 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-02-20 00:02:15,032 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:02:15,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 34 conjunts are in the unsatisfiable core [2021-02-20 00:02:15,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:02:15,409 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:02:15,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 35 treesize of output 193 [2021-02-20 00:02:15,821 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-20 00:02:15,822 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:02:15,823 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-20 00:02:15,823 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:3 [2021-02-20 00:02:15,830 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:02:15,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:02:15,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-02-20 00:02:15,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787631766] [2021-02-20 00:02:15,835 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-02-20 00:02:15,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:02:15,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-02-20 00:02:15,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-02-20 00:02:15,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:02:15,837 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:02:15,837 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 20 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-20 00:02:15,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-20 00:02:15,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:02:15,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:02:15,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:02:15,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-20 00:02:15,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-20 00:02:15,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-20 00:02:15,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:02:15,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:02:16,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-20 00:02:16,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:02:16,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:02:16,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:02:16,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-20 00:02:16,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-20 00:02:16,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-20 00:02:16,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:02:16,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:02:16,238 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable112 [2021-02-20 00:02:16,238 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:02:16,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:02:16,238 INFO L82 PathProgramCache]: Analyzing trace with hash 610808509, now seen corresponding path program 5 times [2021-02-20 00:02:16,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:02:16,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211673515] [2021-02-20 00:02:16,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:02:16,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:02:16,322 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 21 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:02:16,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211673515] [2021-02-20 00:02:16,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1898318365] [2021-02-20 00:02:16,323 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 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 [2021-02-20 00:02:16,343 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-02-20 00:02:16,343 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:02:16,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2021-02-20 00:02:16,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:02:16,413 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:02:16,413 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:02:16,413 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2021-02-20 00:02:16,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110623525] [2021-02-20 00:02:16,415 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-20 00:02:16,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:02:16,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-20 00:02:16,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-02-20 00:02:16,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:02:16,416 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:02:16,416 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-20 00:02:16,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-20 00:02:16,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:02:16,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:02:16,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:02:16,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-20 00:02:16,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-20 00:02:16,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-20 00:02:16,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:02:16,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:02:16,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:02:16,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-20 00:02:16,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:02:16,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:02:16,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:02:16,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-20 00:02:16,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-20 00:02:16,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-20 00:02:16,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:02:16,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:02:16,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:02:16,734 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable202 [2021-02-20 00:02:16,734 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:02:16,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:02:16,734 INFO L82 PathProgramCache]: Analyzing trace with hash -1714157510, now seen corresponding path program 6 times [2021-02-20 00:02:16,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:02:16,734 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203105128] [2021-02-20 00:02:16,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:02:16,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:02:16,934 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:02:16,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203105128] [2021-02-20 00:02:16,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [147679295] [2021-02-20 00:02:16,934 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 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 [2021-02-20 00:02:16,960 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-02-20 00:02:16,960 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:02:16,961 WARN L261 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 41 conjunts are in the unsatisfiable core [2021-02-20 00:02:16,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:02:17,443 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:02:17,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-02-20 00:02:18,315 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-20 00:02:18,316 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:02:18,317 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-20 00:02:18,317 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-02-20 00:02:18,326 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:02:18,326 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:02:18,326 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2021-02-20 00:02:18,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251302500] [2021-02-20 00:02:18,327 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-02-20 00:02:18,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:02:18,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-02-20 00:02:18,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2021-02-20 00:02:18,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:02:18,328 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:02:18,328 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 26 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) [2021-02-20 00:02:18,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-20 00:02:18,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:02:18,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:02:18,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:02:18,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-20 00:02:18,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-20 00:02:18,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-20 00:02:18,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:02:18,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:02:18,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:02:18,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:02:18,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-20 00:02:18,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:02:18,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:02:18,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:02:18,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-20 00:02:18,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-20 00:02:18,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-20 00:02:18,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:02:18,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:02:18,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:02:18,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:02:18,841 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable203 [2021-02-20 00:02:18,841 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:02:18,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:02:18,841 INFO L82 PathProgramCache]: Analyzing trace with hash 1951548104, now seen corresponding path program 7 times [2021-02-20 00:02:18,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:02:18,841 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247151046] [2021-02-20 00:02:18,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:02:18,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:02:19,052 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:02:19,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247151046] [2021-02-20 00:02:19,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1495527359] [2021-02-20 00:02:19,052 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 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 [2021-02-20 00:02:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:02:19,075 WARN L261 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 56 conjunts are in the unsatisfiable core [2021-02-20 00:02:19,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:02:19,609 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-02-20 00:02:19,610 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:02:19,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 43 treesize of output 319 [2021-02-20 00:02:21,674 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-20 00:02:21,675 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:02:21,676 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-20 00:02:21,676 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-02-20 00:02:21,688 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:02:21,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:02:21,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2021-02-20 00:02:21,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011967065] [2021-02-20 00:02:21,689 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-02-20 00:02:21,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:02:21,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-02-20 00:02:21,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=742, Unknown=0, NotChecked=0, Total=812 [2021-02-20 00:02:21,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:02:21,690 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:02:21,691 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 28 states have internal predecessors, (37), 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) [2021-02-20 00:02:21,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-20 00:02:21,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:02:21,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:02:21,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:02:21,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-20 00:02:21,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-20 00:02:21,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-20 00:02:21,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:02:21,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:02:21,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:02:21,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:02:21,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:02:21,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-20 00:02:21,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:02:21,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:02:21,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:02:21,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-20 00:02:21,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-20 00:02:21,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-20 00:02:21,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:02:21,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:02:21,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:02:21,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:02:21,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:02:22,137 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable456,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:02:22,138 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:02:22,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:02:22,138 INFO L82 PathProgramCache]: Analyzing trace with hash -375694854, now seen corresponding path program 8 times [2021-02-20 00:02:22,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:02:22,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74546584] [2021-02-20 00:02:22,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:02:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:02:22,384 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:02:22,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74546584] [2021-02-20 00:02:22,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1912370761] [2021-02-20 00:02:22,384 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 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 [2021-02-20 00:02:22,404 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-20 00:02:22,404 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:02:22,405 WARN L261 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 60 conjunts are in the unsatisfiable core [2021-02-20 00:02:22,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:02:23,009 WARN L202 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-02-20 00:02:23,009 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:02:23,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 19 new quantified variables, introduced 45 case distinctions, treesize of input 47 treesize of output 394 [2021-02-20 00:02:27,364 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 1085 DAG size of output: 603 [2021-02-20 00:02:27,517 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 1478 DAG size of output: 701 [2021-02-20 00:02:27,664 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 1478 DAG size of output: 701 [2021-02-20 00:02:27,822 WARN L202 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 1483 DAG size of output: 698 [2021-02-20 00:02:27,971 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 888 [2021-02-20 00:02:28,555 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 606 [2021-02-20 00:02:31,879 WARN L202 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 2257 DAG size of output: 1208 [2021-02-20 00:02:32,060 WARN L202 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 2257 DAG size of output: 1208 [2021-02-20 00:02:32,226 WARN L202 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 2259 DAG size of output: 1208 [2021-02-20 00:02:32,897 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-20 00:02:32,898 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:02:32,899 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-20 00:02:32,899 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-02-20 00:02:32,914 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:02:32,914 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:02:32,914 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-02-20 00:02:32,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265420478] [2021-02-20 00:02:32,915 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-02-20 00:02:32,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:02:32,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-02-20 00:02:32,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=855, Unknown=0, NotChecked=0, Total=930 [2021-02-20 00:02:32,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:02:32,916 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:02:32,916 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 30 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-20 00:02:32,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-20 00:02:32,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:02:32,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:02:32,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:02:32,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-20 00:02:32,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-20 00:02:32,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-20 00:02:32,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:02:32,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:02:32,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:02:32,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:02:32,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:02:32,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:02:33,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-20 00:02:33,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:02:33,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:02:33,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:02:33,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-20 00:02:33,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-20 00:02:33,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-20 00:02:33,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:02:33,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:02:33,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:02:33,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:02:33,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:02:33,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:02:33,378 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable977 [2021-02-20 00:02:33,379 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:02:33,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:02:33,379 INFO L82 PathProgramCache]: Analyzing trace with hash 494217480, now seen corresponding path program 9 times [2021-02-20 00:02:33,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:02:33,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519880830] [2021-02-20 00:02:33,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:02:33,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:02:33,590 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:02:33,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519880830] [2021-02-20 00:02:33,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829478598] [2021-02-20 00:02:33,591 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 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 [2021-02-20 00:02:33,622 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-02-20 00:02:33,622 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:02:33,623 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 49 conjunts are in the unsatisfiable core [2021-02-20 00:02:33,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:02:34,208 WARN L202 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-02-20 00:02:34,209 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:02:34,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 21 new quantified variables, introduced 55 case distinctions, treesize of input 51 treesize of output 477 [2021-02-20 00:02:39,691 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 420 [2021-02-20 00:02:42,125 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 1011 DAG size of output: 681 [2021-02-20 00:02:44,065 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 849 DAG size of output: 705 [2021-02-20 00:02:44,337 WARN L202 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 1470 DAG size of output: 1188 [2021-02-20 00:02:44,612 WARN L202 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 1619 DAG size of output: 1227 [2021-02-20 00:02:44,966 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 2285 DAG size of output: 1225 [2021-02-20 00:02:45,392 WARN L202 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 2817 DAG size of output: 1738 [2021-02-20 00:02:47,238 WARN L202 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 3264 DAG size of output: 2055 [2021-02-20 00:02:47,801 WARN L202 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 3617 DAG size of output: 2277 [2021-02-20 00:02:50,138 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 1039 DAG size of output: 765 [2021-02-20 00:02:51,962 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 835 DAG size of output: 775 [2021-02-20 00:02:52,235 WARN L202 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 1491 DAG size of output: 1304 [2021-02-20 00:02:54,707 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 963 DAG size of output: 449 [2021-02-20 00:02:55,085 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 2089 DAG size of output: 1539 [2021-02-20 00:02:55,507 WARN L202 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 2213 DAG size of output: 1647 [2021-02-20 00:02:56,423 WARN L202 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 2674 DAG size of output: 1767 [2021-02-20 00:02:56,942 WARN L202 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 3209 DAG size of output: 2284 [2021-02-20 00:02:57,499 WARN L202 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 3555 DAG size of output: 2587 [2021-02-20 00:03:00,188 WARN L202 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 763 [2021-02-20 00:03:00,338 WARN L202 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1077 DAG size of output: 756 [2021-02-20 00:03:00,496 WARN L202 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 1098 DAG size of output: 774 [2021-02-20 00:03:01,250 WARN L202 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 4497 DAG size of output: 3222 [2021-02-20 00:03:02,592 WARN L202 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 6099 DAG size of output: 4037 [2021-02-20 00:03:04,023 WARN L202 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 6527 DAG size of output: 4178 [2021-02-20 00:03:06,800 WARN L202 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 7214 DAG size of output: 4671 [2021-02-20 00:03:08,463 WARN L202 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 7644 DAG size of output: 5009 [2021-02-20 00:03:10,119 WARN L202 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 7644 DAG size of output: 5009 [2021-02-20 00:03:11,907 WARN L202 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 7657 DAG size of output: 5022 [2021-02-20 00:03:13,985 WARN L202 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 5024 DAG size of output: 6951 [2021-02-20 00:03:15,976 WARN L202 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 4225 DAG size of output: 5817 [2021-02-20 00:03:17,119 WARN L202 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 3936 DAG size of output: 3639 [2021-02-20 00:03:18,980 WARN L202 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 3441 DAG size of output: 4915 [2021-02-20 00:03:20,061 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 3369 DAG size of output: 3400 [2021-02-20 00:03:21,964 WARN L202 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 3164 DAG size of output: 4663 [2021-02-20 00:03:22,811 WARN L202 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 2817 DAG size of output: 2759 [2021-02-20 00:03:24,694 WARN L202 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 2568 DAG size of output: 3483 [2021-02-20 00:03:25,828 WARN L202 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 2279 DAG size of output: 3278 [2021-02-20 00:03:26,229 WARN L202 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 1929 DAG size of output: 1913 [2021-02-20 00:03:26,599 WARN L202 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 1754 DAG size of output: 1754 [2021-02-20 00:03:26,929 WARN L202 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 1642 DAG size of output: 1642 [2021-02-20 00:03:27,110 WARN L202 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 1347 DAG size of output: 1347 [2021-02-20 00:03:27,844 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 935 [2021-02-20 00:03:28,074 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 818 [2021-02-20 00:03:29,312 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 1006 [2021-02-20 00:03:29,475 WARN L202 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 877 DAG size of output: 877 [2021-02-20 00:03:30,930 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 1715 DAG size of output: 767 [2021-02-20 00:03:31,429 WARN L202 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 2020 DAG size of output: 916 [2021-02-20 00:03:31,605 WARN L202 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 2176 DAG size of output: 1030 [2021-02-20 00:03:32,206 WARN L202 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 2193 DAG size of output: 2186 [2021-02-20 00:03:32,750 WARN L202 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 2032 DAG size of output: 2032 [2021-02-20 00:03:33,430 WARN L202 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 1930 DAG size of output: 1930 [2021-02-20 00:03:33,649 WARN L202 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 1241 DAG size of output: 1241 [2021-02-20 00:03:33,854 WARN L202 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 1080 DAG size of output: 1080 [2021-02-20 00:03:34,013 WARN L202 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 844 DAG size of output: 844 [2021-02-20 00:03:34,138 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 674 [2021-02-20 00:03:35,781 WARN L202 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 1545 DAG size of output: 1545 [2021-02-20 00:03:35,987 WARN L202 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 1152 [2021-02-20 00:03:36,312 WARN L202 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 1005 DAG size of output: 1005 [2021-02-20 00:03:36,624 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 835 DAG size of output: 835 [2021-02-20 00:03:36,762 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 814 DAG size of output: 814 [2021-02-20 00:03:36,894 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 769 [2021-02-20 00:03:38,498 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 1954 DAG size of output: 803 [2021-02-20 00:03:38,667 WARN L202 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 2119 DAG size of output: 870 [2021-02-20 00:03:38,871 WARN L202 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 2270 DAG size of output: 981 [2021-02-20 00:03:39,240 WARN L202 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 3632 DAG size of output: 1557 [2021-02-20 00:03:39,701 WARN L202 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 1827 DAG size of output: 1803 [2021-02-20 00:03:40,465 WARN L202 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 1697 DAG size of output: 2477 [2021-02-20 00:03:40,703 WARN L202 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 1218 DAG size of output: 1186 [2021-02-20 00:03:41,938 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 980 DAG size of output: 980 [2021-02-20 00:03:43,775 WARN L202 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 1632 DAG size of output: 1621 [2021-02-20 00:03:43,969 WARN L202 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 1085 DAG size of output: 1085 [2021-02-20 00:03:44,258 WARN L202 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 955 DAG size of output: 955 [2021-02-20 00:03:44,392 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 775 DAG size of output: 775 [2021-02-20 00:03:44,506 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 640 [2021-02-20 00:03:45,817 WARN L202 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 1308 DAG size of output: 1304 [2021-02-20 00:03:45,982 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 1001 DAG size of output: 1001 [2021-02-20 00:03:46,238 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 885 DAG size of output: 885 [2021-02-20 00:03:46,501 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 750 DAG size of output: 750 [2021-02-20 00:03:46,646 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 730 DAG size of output: 730 [2021-02-20 00:03:46,759 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 705 [2021-02-20 00:03:48,008 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 1579 DAG size of output: 791 [2021-02-20 00:03:48,250 WARN L202 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 2376 DAG size of output: 1159 [2021-02-20 00:03:48,920 WARN L202 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 2677 DAG size of output: 1277 [2021-02-20 00:03:49,604 WARN L202 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 5640 DAG size of output: 2351 [2021-02-20 00:03:50,328 WARN L202 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 5962 DAG size of output: 2552 [2021-02-20 00:03:51,660 WARN L202 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 8298 DAG size of output: 3947 [2021-02-20 00:03:53,468 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 1076 DAG size of output: 776 [2021-02-20 00:03:53,584 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 1301 DAG size of output: 820 [2021-02-20 00:03:55,034 WARN L202 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 9172 DAG size of output: 4422 [2021-02-20 00:03:56,270 WARN L202 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 10737 DAG size of output: 3616 [2021-02-20 00:03:57,602 WARN L202 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 10966 DAG size of output: 3871 [2021-02-20 00:03:59,118 WARN L202 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 3550 DAG size of output: 4917 [2021-02-20 00:03:59,982 WARN L202 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 3465 DAG size of output: 3191 [2021-02-20 00:04:00,815 WARN L202 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 2997 DAG size of output: 2884 [2021-02-20 00:04:03,140 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 1381 DAG size of output: 930 [2021-02-20 00:04:03,304 WARN L202 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 1601 DAG size of output: 1074 [2021-02-20 00:04:04,614 WARN L202 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 2633 DAG size of output: 3806 [2021-02-20 00:04:05,566 WARN L202 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 2350 DAG size of output: 3155 [2021-02-20 00:04:06,034 WARN L202 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 2147 DAG size of output: 2139 [2021-02-20 00:04:07,366 WARN L202 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 1972 DAG size of output: 2870 [2021-02-20 00:04:07,683 WARN L202 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 1715 DAG size of output: 1715 [2021-02-20 00:04:07,954 WARN L202 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 1575 DAG size of output: 1575 [2021-02-20 00:04:08,460 WARN L202 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 1480 DAG size of output: 1480 [2021-02-20 00:04:09,719 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 1182 DAG size of output: 1182 [2021-02-20 00:04:11,634 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 1579 DAG size of output: 787 [2021-02-20 00:04:11,777 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1781 DAG size of output: 919 [2021-02-20 00:04:11,957 WARN L202 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 1920 DAG size of output: 1017 [2021-02-20 00:04:12,379 WARN L202 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 1924 DAG size of output: 1918 [2021-02-20 00:04:12,786 WARN L202 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 1783 [2021-02-20 00:04:13,237 WARN L202 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 1697 DAG size of output: 1697 [2021-02-20 00:04:13,392 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 1040 DAG size of output: 1040 [2021-02-20 00:04:13,539 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 882 DAG size of output: 882 [2021-02-20 00:04:13,653 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 726 [2021-02-20 00:04:14,967 WARN L202 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 1330 DAG size of output: 1330 [2021-02-20 00:04:15,617 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 1035 [2021-02-20 00:04:15,747 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 886 [2021-02-20 00:04:17,185 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 1748 DAG size of output: 784 [2021-02-20 00:04:17,332 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 1833 DAG size of output: 843 [2021-02-20 00:04:17,496 WARN L202 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 1967 DAG size of output: 938 [2021-02-20 00:04:17,822 WARN L202 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 3166 DAG size of output: 1555 [2021-02-20 00:04:18,200 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 3445 DAG size of output: 1732 [2021-02-20 00:04:18,528 WARN L202 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 1603 DAG size of output: 1589 [2021-02-20 00:04:18,834 WARN L202 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 1456 DAG size of output: 1452 [2021-02-20 00:04:19,359 WARN L202 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 1367 DAG size of output: 1367 [2021-02-20 00:04:19,479 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 871 DAG size of output: 871 [2021-02-20 00:04:19,597 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 747 DAG size of output: 747 [2021-02-20 00:04:21,407 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 1081 DAG size of output: 1081 [2021-02-20 00:04:21,544 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 828 DAG size of output: 828 [2021-02-20 00:04:23,927 WARN L202 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 1732 DAG size of output: 1016 [2021-02-20 00:04:24,117 WARN L202 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 1893 DAG size of output: 1094 [2021-02-20 00:04:24,857 WARN L202 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 2173 DAG size of output: 1309 [2021-02-20 00:04:25,480 WARN L202 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 5017 DAG size of output: 2559 [2021-02-20 00:04:26,555 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 7041 DAG size of output: 3929 [2021-02-20 00:04:27,845 WARN L202 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 8301 DAG size of output: 4690 [2021-02-20 00:04:29,226 WARN L202 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 8530 DAG size of output: 4936 [2021-02-20 00:04:30,358 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 10374 DAG size of output: 3975 [2021-02-20 00:04:32,862 WARN L202 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 19095 DAG size of output: 6530 [2021-02-20 00:04:35,575 WARN L202 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 22145 DAG size of output: 6652 [2021-02-20 00:04:38,268 WARN L202 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 22145 DAG size of output: 6652 [2021-02-20 00:04:41,037 WARN L202 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 22154 DAG size of output: 6661 [2021-02-20 00:04:42,424 WARN L202 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 6658 DAG size of output: 6140 [2021-02-20 00:04:43,509 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 6142 DAG size of output: 4499 [2021-02-20 00:04:44,115 WARN L202 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 4127 DAG size of output: 2597 [2021-02-20 00:04:44,551 WARN L202 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 2592 DAG size of output: 2540 [2021-02-20 00:04:45,002 WARN L202 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 1698 DAG size of output: 2252 [2021-02-20 00:04:45,388 WARN L202 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 1634 DAG size of output: 1837 [2021-02-20 00:04:46,843 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 1183 DAG size of output: 777 [2021-02-20 00:04:48,012 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 1218 DAG size of output: 743 [2021-02-20 00:04:48,459 WARN L202 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 1862 DAG size of output: 882 [2021-02-20 00:04:48,611 WARN L202 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 1868 DAG size of output: 888 [2021-02-20 00:04:48,794 WARN L202 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 2313 DAG size of output: 1037 [2021-02-20 00:04:48,971 WARN L202 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 2313 DAG size of output: 1037 [2021-02-20 00:04:49,300 WARN L202 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 2320 DAG size of output: 1387 [2021-02-20 00:04:50,449 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-20 00:04:50,450 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:04:50,450 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-20 00:04:50,450 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:51, output treesize:3 [2021-02-20 00:04:50,457 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:04:50,457 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:04:50,457 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-02-20 00:04:50,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458518459] [2021-02-20 00:04:50,457 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-02-20 00:04:50,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:04:50,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-02-20 00:04:50,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=856, Unknown=0, NotChecked=0, Total=930 [2021-02-20 00:04:50,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:04:50,458 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:04:50,458 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 30 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-20 00:04:50,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-20 00:04:50,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:04:50,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:04:50,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:04:50,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-20 00:04:50,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-20 00:04:50,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-20 00:04:50,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:04:50,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:04:50,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:04:50,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:04:50,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:04:50,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:04:50,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:04:50,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-20 00:04:50,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:04:50,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:04:50,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:04:50,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-20 00:04:50,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-20 00:04:50,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-20 00:04:50,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:04:50,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:04:50,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:04:50,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:04:50,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:04:50,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:04:50,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:04:51,014 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2771,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:04:51,014 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:04:51,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:04:51,015 INFO L82 PathProgramCache]: Analyzing trace with hash 1691696058, now seen corresponding path program 10 times [2021-02-20 00:04:51,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:04:51,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222464921] [2021-02-20 00:04:51,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:04:51,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:04:51,137 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 55 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:04:51,137 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222464921] [2021-02-20 00:04:51,137 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1398807878] [2021-02-20 00:04:51,137 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 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 [2021-02-20 00:04:51,159 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-02-20 00:04:51,159 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:04:51,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 16 conjunts are in the unsatisfiable core [2021-02-20 00:04:51,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:04:51,208 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 66 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:04:51,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:04:51,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2021-02-20 00:04:51,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881502755] [2021-02-20 00:04:51,208 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-02-20 00:04:51,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:04:51,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-02-20 00:04:51,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2021-02-20 00:04:51,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:04:51,209 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:04:51,209 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.5) internal successors, (27), 17 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-20 00:04:51,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-20 00:04:51,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:04:51,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:04:51,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:04:51,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-20 00:04:51,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-20 00:04:51,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-20 00:04:51,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:04:51,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:04:51,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:04:51,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:04:51,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:04:51,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:04:51,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:04:51,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:04:51,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-20 00:04:51,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:04:51,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:04:51,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:04:51,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-20 00:04:51,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-20 00:04:51,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-20 00:04:51,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:04:51,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:04:51,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:04:51,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:04:51,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:04:51,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:04:51,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:04:51,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:04:51,594 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable18752 [2021-02-20 00:04:51,594 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:04:51,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:04:51,594 INFO L82 PathProgramCache]: Analyzing trace with hash 1728585437, now seen corresponding path program 11 times [2021-02-20 00:04:51,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:04:51,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250778485] [2021-02-20 00:04:51,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:04:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:04:51,828 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:04:51,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250778485] [2021-02-20 00:04:51,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616806959] [2021-02-20 00:04:51,828 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 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 [2021-02-20 00:04:51,851 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-02-20 00:04:51,851 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:04:51,852 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 56 conjunts are in the unsatisfiable core [2021-02-20 00:04:51,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:04:52,623 WARN L202 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-02-20 00:04:52,624 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:04:52,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 23 new quantified variables, introduced 66 case distinctions, treesize of input 55 treesize of output 568 [2021-02-20 00:04:54,923 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 1471 DAG size of output: 1189 [2021-02-20 00:04:55,038 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1495 DAG size of output: 1211 [2021-02-20 00:04:55,173 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 1495 DAG size of output: 1211 [2021-02-20 00:04:55,304 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 1514 DAG size of output: 1230 [2021-02-20 00:04:55,511 WARN L202 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 1232 DAG size of output: 1717 [2021-02-20 00:04:55,710 WARN L202 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 1177 DAG size of output: 1510 [2021-02-20 00:04:55,934 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 1204 [2021-02-20 00:04:56,112 WARN L202 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 1038 DAG size of output: 1236 [2021-02-20 00:04:56,225 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 1033 DAG size of output: 1171 [2021-02-20 00:04:57,845 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 668 DAG size of output: 553 [2021-02-20 00:04:58,148 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 1003 DAG size of output: 1339 [2021-02-20 00:05:00,215 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 1104 DAG size of output: 769 [2021-02-20 00:05:03,574 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 818 DAG size of output: 829 [2021-02-20 00:05:03,716 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 1071 DAG size of output: 856 [2021-02-20 00:05:03,940 WARN L202 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 1525 DAG size of output: 1167 [2021-02-20 00:05:04,323 WARN L202 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 2199 DAG size of output: 1680 [2021-02-20 00:05:04,710 WARN L202 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 2294 DAG size of output: 1772 [2021-02-20 00:05:05,285 WARN L202 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 2794 DAG size of output: 2181 [2021-02-20 00:05:05,863 WARN L202 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 2795 DAG size of output: 2171 [2021-02-20 00:05:08,105 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 898 [2021-02-20 00:05:08,297 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 1165 DAG size of output: 996 [2021-02-20 00:05:09,404 WARN L202 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 1591 DAG size of output: 1311 [2021-02-20 00:05:09,628 WARN L202 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 1594 DAG size of output: 1314 [2021-02-20 00:05:10,376 WARN L202 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 4029 DAG size of output: 2945 [2021-02-20 00:05:11,913 WARN L202 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 4493 DAG size of output: 3243 [2021-02-20 00:05:12,061 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 1110 DAG size of output: 1289 [2021-02-20 00:05:12,305 WARN L202 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 1069 DAG size of output: 1287 [2021-02-20 00:05:12,517 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 1033 DAG size of output: 1165 [2021-02-20 00:05:14,223 WARN L202 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 983 [2021-02-20 00:05:14,375 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 1031 DAG size of output: 1370 [2021-02-20 00:05:14,532 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 1349 [2021-02-20 00:05:14,689 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 934 DAG size of output: 1225 [2021-02-20 00:05:17,936 WARN L202 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 1479 DAG size of output: 1257 [2021-02-20 00:05:19,838 WARN L202 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 2040 DAG size of output: 1719 [2021-02-20 00:05:20,223 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 2502 DAG size of output: 2129 [2021-02-20 00:05:20,653 WARN L202 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 3048 DAG size of output: 2575 [2021-02-20 00:05:21,179 WARN L202 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 3439 DAG size of output: 3068 [2021-02-20 00:05:21,863 WARN L202 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 4191 DAG size of output: 3792 [2021-02-20 00:05:22,745 WARN L202 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 4415 DAG size of output: 3979 [2021-02-20 00:05:23,559 WARN L202 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 4904 DAG size of output: 4421 [2021-02-20 00:05:24,759 WARN L202 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 5137 DAG size of output: 4614 [2021-02-20 00:05:27,086 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 1353 DAG size of output: 981 [2021-02-20 00:05:28,353 WARN L202 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 1858 DAG size of output: 1354 [2021-02-20 00:05:28,605 WARN L202 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 2129 DAG size of output: 1573 [2021-02-20 00:05:29,181 WARN L202 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 2353 DAG size of output: 1744 [2021-02-20 00:05:30,285 WARN L202 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 6896 DAG size of output: 5346 [2021-02-20 00:05:32,241 WARN L202 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 10593 DAG size of output: 7527 [2021-02-20 00:05:32,475 WARN L202 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 1226 DAG size of output: 1612 [2021-02-20 00:05:32,617 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 1151 DAG size of output: 1338 [2021-02-20 00:05:32,790 WARN L202 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 1358 [2021-02-20 00:05:32,941 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 1129 DAG size of output: 1246 [2021-02-20 00:05:33,112 WARN L202 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 1088 DAG size of output: 1430 [2021-02-20 00:05:33,288 WARN L202 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 1081 DAG size of output: 1381 [2021-02-20 00:05:33,457 WARN L202 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 960 DAG size of output: 1234 [2021-02-20 00:05:33,631 WARN L202 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 953 DAG size of output: 1239 [2021-02-20 00:05:37,213 WARN L202 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 1292 DAG size of output: 1310 [2021-02-20 00:05:37,379 WARN L202 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 1494 DAG size of output: 1343 [2021-02-20 00:05:37,647 WARN L202 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 1871 DAG size of output: 1621 [2021-02-20 00:05:37,904 WARN L202 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 1890 DAG size of output: 1640 [2021-02-20 00:05:38,189 WARN L202 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 1945 DAG size of output: 1680 [2021-02-20 00:05:38,359 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 785 DAG size of output: 889 [2021-02-20 00:05:41,812 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 1196 DAG size of output: 880 [2021-02-20 00:05:42,009 WARN L202 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 1709 DAG size of output: 1372 [2021-02-20 00:05:42,504 WARN L202 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 3161 DAG size of output: 2670 [2021-02-20 00:05:43,091 WARN L202 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 3634 DAG size of output: 3105 [2021-02-20 00:05:43,758 WARN L202 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 4193 DAG size of output: 3539 [2021-02-20 00:05:44,516 WARN L202 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 4712 DAG size of output: 4050 [2021-02-20 00:05:47,205 WARN L202 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 1272 DAG size of output: 1413 [2021-02-20 00:05:47,426 WARN L202 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 1445 DAG size of output: 1584 [2021-02-20 00:05:47,653 WARN L202 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 1621 DAG size of output: 1706 [2021-02-20 00:05:47,909 WARN L202 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 1823 DAG size of output: 1886 [2021-02-20 00:05:48,978 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 6186 DAG size of output: 5607 [2021-02-20 00:05:50,140 WARN L202 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 6778 DAG size of output: 6039 [2021-02-20 00:05:53,159 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 1114 DAG size of output: 936 [2021-02-20 00:05:53,294 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 1246 DAG size of output: 991 [2021-02-20 00:05:53,441 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1393 DAG size of output: 1032 [2021-02-20 00:05:53,644 WARN L202 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 1781 DAG size of output: 1323 [2021-02-20 00:05:53,852 WARN L202 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 2049 DAG size of output: 1480 [2021-02-20 00:05:55,310 WARN L202 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 2631 DAG size of output: 1918 [2021-02-20 00:05:55,821 WARN L202 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 2855 DAG size of output: 2044 [2021-02-20 00:05:56,204 WARN L202 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 2955 DAG size of output: 2138 [2021-02-20 00:05:56,606 WARN L202 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 3247 DAG size of output: 2348 [2021-02-20 00:05:58,095 WARN L202 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 9320 DAG size of output: 7109 [2021-02-20 00:05:58,264 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 1144 DAG size of output: 1285 [2021-02-20 00:05:58,533 WARN L202 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 1291 [2021-02-20 00:05:58,650 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1086 DAG size of output: 1231 [2021-02-20 00:05:59,939 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 804 DAG size of output: 771 [2021-02-20 00:06:00,108 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 882 DAG size of output: 834 [2021-02-20 00:06:00,282 WARN L202 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 1083 DAG size of output: 1458 [2021-02-20 00:06:02,030 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 849 [2021-02-20 00:06:02,148 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 1040 DAG size of output: 885 [2021-02-20 00:06:03,163 WARN L202 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 1484 DAG size of output: 1155 [2021-02-20 00:06:03,372 WARN L202 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 1534 DAG size of output: 1205 [2021-02-20 00:06:05,698 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 976 DAG size of output: 973 [2021-02-20 00:06:05,864 WARN L202 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 1117 DAG size of output: 1125 [2021-02-20 00:06:06,033 WARN L202 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 1381 DAG size of output: 1158 [2021-02-20 00:06:07,330 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 595 [2021-02-20 00:06:07,457 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 683 [2021-02-20 00:06:07,779 WARN L202 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 1969 DAG size of output: 1612 [2021-02-20 00:06:08,066 WARN L202 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 1990 DAG size of output: 1633 [2021-02-20 00:06:08,568 WARN L202 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 2977 DAG size of output: 2504 [2021-02-20 00:06:09,273 WARN L202 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 3664 DAG size of output: 3170 [2021-02-20 00:06:10,020 WARN L202 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 3665 DAG size of output: 3165 [2021-02-20 00:06:10,921 WARN L202 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 3828 DAG size of output: 3307 [2021-02-20 00:06:13,782 WARN L202 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1044 DAG size of output: 977 [2021-02-20 00:06:13,928 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 1066 DAG size of output: 992 [2021-02-20 00:06:16,995 WARN L202 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 1113 DAG size of output: 1107 [2021-02-20 00:06:17,182 WARN L202 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 1135 DAG size of output: 1110 [2021-02-20 00:06:17,393 WARN L202 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 1130 [2021-02-20 00:06:17,740 WARN L202 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 1986 DAG size of output: 1919 [2021-02-20 00:06:18,147 WARN L202 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 2247 DAG size of output: 2053 [2021-02-20 00:06:19,845 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 923 DAG size of output: 679 [2021-02-20 00:06:20,375 WARN L202 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 2959 DAG size of output: 2569 [2021-02-20 00:06:20,904 WARN L202 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 2962 DAG size of output: 2572 [2021-02-20 00:06:22,137 WARN L202 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 6145 DAG size of output: 5049 [2021-02-20 00:06:24,961 WARN L202 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 14298 DAG size of output: 11123 [2021-02-20 00:06:29,712 WARN L202 SmtUtils]: Spent 4.68 s on a formula simplification. DAG size of input: 22836 DAG size of output: 16311 [2021-02-20 00:06:34,506 WARN L202 SmtUtils]: Spent 4.70 s on a formula simplification. DAG size of input: 22836 DAG size of output: 16311 [2021-02-20 00:06:39,693 WARN L202 SmtUtils]: Spent 5.12 s on a formula simplification. DAG size of input: 22851 DAG size of output: 16326 [2021-02-20 00:06:43,146 WARN L202 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 16320 DAG size of output: 16017 [2021-02-20 00:06:47,977 WARN L202 SmtUtils]: Spent 4.69 s on a formula simplification. DAG size of input: 16019 DAG size of output: 17458 [2021-02-20 00:06:49,799 WARN L202 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 8798 DAG size of output: 8842 [2021-02-20 00:06:52,112 WARN L202 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 8433 DAG size of output: 10247 [2021-02-20 00:06:53,567 WARN L202 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 8283 DAG size of output: 8210 [2021-02-20 00:06:54,168 WARN L202 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 4000 DAG size of output: 4000 [2021-02-20 00:06:54,507 WARN L202 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 2400 DAG size of output: 2445 [2021-02-20 00:06:54,778 WARN L202 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 2304 DAG size of output: 2184 [2021-02-20 00:06:54,990 WARN L202 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 1597 DAG size of output: 1573 [2021-02-20 00:06:55,156 WARN L202 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 1546 [2021-02-20 00:06:55,276 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2021-02-20 00:06:55,397 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 1070 [2021-02-20 00:06:55,530 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 1070 DAG size of output: 1107 [2021-02-20 00:06:58,694 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 931 DAG size of output: 640 [2021-02-20 00:06:58,809 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 640 [2021-02-20 00:06:59,367 WARN L202 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 1071 DAG size of output: 680 [2021-02-20 00:06:59,524 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 1413 DAG size of output: 744 [2021-02-20 00:06:59,694 WARN L202 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 1435 DAG size of output: 757 [2021-02-20 00:07:01,452 WARN L202 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 2011 DAG size of output: 1118 [2021-02-20 00:07:01,750 WARN L202 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 2209 DAG size of output: 1310 [2021-02-20 00:07:02,064 WARN L202 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 1869 DAG size of output: 1860 [2021-02-20 00:07:02,293 WARN L202 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 1672 DAG size of output: 1643 [2021-02-20 00:07:02,550 WARN L202 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 1618 DAG size of output: 1596 [2021-02-20 00:07:02,750 WARN L202 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 1594 DAG size of output: 1589 [2021-02-20 00:07:04,929 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1179 DAG size of output: 791 [2021-02-20 00:07:05,089 WARN L202 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 983 DAG size of output: 1068 [2021-02-20 00:07:05,207 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 978 DAG size of output: 978 [2021-02-20 00:07:08,004 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 1038 DAG size of output: 770 [2021-02-20 00:07:08,140 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1234 DAG size of output: 861 [2021-02-20 00:07:08,302 WARN L202 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 1378 DAG size of output: 995 [2021-02-20 00:07:08,589 WARN L202 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 2380 DAG size of output: 1565 [2021-02-20 00:07:08,907 WARN L202 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 2381 DAG size of output: 1445 [2021-02-20 00:07:09,208 WARN L202 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 2398 DAG size of output: 1442 [2021-02-20 00:07:09,531 WARN L202 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 2557 DAG size of output: 1533 [2021-02-20 00:07:10,160 WARN L202 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 4463 DAG size of output: 2486 [2021-02-20 00:07:10,778 WARN L202 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 4464 DAG size of output: 2437 [2021-02-20 00:07:11,828 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 6866 DAG size of output: 3926 [2021-02-20 00:07:12,920 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 7307 DAG size of output: 3953 [2021-02-20 00:07:15,263 WARN L202 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 18425 DAG size of output: 8255 [2021-02-20 00:07:17,614 WARN L202 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 18425 DAG size of output: 8255 [2021-02-20 00:07:20,048 WARN L202 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 18430 DAG size of output: 8260 [2021-02-20 00:07:20,738 WARN L202 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 3858 DAG size of output: 3615 [2021-02-20 00:07:21,267 WARN L202 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 3588 DAG size of output: 2953 [2021-02-20 00:07:21,674 WARN L202 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 2008 DAG size of output: 2275 [2021-02-20 00:07:22,058 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 1982 DAG size of output: 2118 [2021-02-20 00:07:22,321 WARN L202 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 1947 DAG size of output: 1853 [2021-02-20 00:07:22,583 WARN L202 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 1825 DAG size of output: 1823 [2021-02-20 00:07:22,747 WARN L202 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 1281 DAG size of output: 1281 [2021-02-20 00:07:22,938 WARN L202 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 1261 DAG size of output: 1261 [2021-02-20 00:07:23,089 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 1252 DAG size of output: 1252 [2021-02-20 00:07:23,727 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 730 DAG size of output: 773 [2021-02-20 00:07:25,222 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 1448 DAG size of output: 755 [2021-02-20 00:07:25,342 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 1899 DAG size of output: 779 [2021-02-20 00:07:25,530 WARN L202 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 2846 DAG size of output: 882 [2021-02-20 00:07:25,688 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 2917 DAG size of output: 883 [2021-02-20 00:07:26,577 WARN L202 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 4647 DAG size of output: 4771 [2021-02-20 00:07:27,079 WARN L202 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 4240 DAG size of output: 2333 [2021-02-20 00:07:27,345 WARN L202 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 1682 DAG size of output: 1686 [2021-02-20 00:07:27,596 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 1624 DAG size of output: 1647 [2021-02-20 00:07:27,807 WARN L202 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 1528 DAG size of output: 1537 [2021-02-20 00:07:28,048 WARN L202 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 1487 DAG size of output: 1537 [2021-02-20 00:07:28,221 WARN L202 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 1468 DAG size of output: 1468 [2021-02-20 00:07:28,346 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 809 DAG size of output: 943 [2021-02-20 00:07:28,532 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 772 DAG size of output: 904 [2021-02-20 00:07:29,572 WARN L202 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 846 DAG size of output: 1149 [2021-02-20 00:07:31,167 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 2454 DAG size of output: 607 [2021-02-20 00:07:31,374 WARN L202 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 3424 DAG size of output: 1385 [2021-02-20 00:07:31,770 WARN L202 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 6129 DAG size of output: 2118 [2021-02-20 00:07:32,140 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 6129 DAG size of output: 2118 [2021-02-20 00:07:32,529 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 6134 DAG size of output: 2127 [2021-02-20 00:07:32,818 WARN L202 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 2129 DAG size of output: 1963 [2021-02-20 00:07:33,017 WARN L202 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 1913 DAG size of output: 1900 [2021-02-20 00:07:35,146 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 978 DAG size of output: 547 [2021-02-20 00:07:35,452 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 906 [2021-02-20 00:07:35,572 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 684 DAG size of output: 814 [2021-02-20 00:07:38,361 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1565 DAG size of output: 702 [2021-02-20 00:07:40,328 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 868 [2021-02-20 00:07:43,122 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 1294 DAG size of output: 858 [2021-02-20 00:07:43,243 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 1633 DAG size of output: 858 [2021-02-20 00:07:43,389 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 1922 DAG size of output: 965 [2021-02-20 00:07:44,497 WARN L202 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 2577 DAG size of output: 1081 [2021-02-20 00:07:44,768 WARN L202 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 3275 DAG size of output: 1346 [2021-02-20 00:07:45,265 WARN L202 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 5859 DAG size of output: 2418 [2021-02-20 00:07:45,823 WARN L202 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 5945 DAG size of output: 2471 [2021-02-20 00:07:46,357 WARN L202 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 5945 DAG size of output: 2471 [2021-02-20 00:07:46,947 WARN L202 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 5950 DAG size of output: 2476 [2021-02-20 00:07:47,253 WARN L202 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 2476 DAG size of output: 2297 [2021-02-20 00:07:47,557 WARN L202 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 2254 DAG size of output: 1494 [2021-02-20 00:07:47,713 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 963 DAG size of output: 1120 [2021-02-20 00:07:48,673 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 1113 DAG size of output: 717 [2021-02-20 00:07:49,494 WARN L202 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 1464 DAG size of output: 962 [2021-02-20 00:07:49,662 WARN L202 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 1489 DAG size of output: 984 [2021-02-20 00:07:49,831 WARN L202 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 1489 DAG size of output: 984 [2021-02-20 00:07:50,005 WARN L202 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 1491 DAG size of output: 987 [2021-02-20 00:07:50,156 WARN L202 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 989 DAG size of output: 1257 [2021-02-20 00:07:50,262 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 809 DAG size of output: 597 [2021-02-20 00:07:50,796 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-20 00:07:50,797 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:07:50,798 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-20 00:07:50,798 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:3 [2021-02-20 00:07:50,804 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:07:50,804 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:07:50,804 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2021-02-20 00:07:50,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704910437] [2021-02-20 00:07:50,805 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-02-20 00:07:50,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:07:50,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-02-20 00:07:50,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=1241, Unknown=0, NotChecked=0, Total=1332 [2021-02-20 00:07:50,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:07:50,806 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:07:50,806 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.2162162162162162) internal successors, (45), 36 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-20 00:07:50,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-20 00:07:50,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:07:50,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:07:50,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:07:50,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-20 00:07:50,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-20 00:07:50,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-20 00:07:50,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:07:50,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:07:50,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:07:50,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:07:50,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:07:50,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:07:50,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:07:50,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:07:50,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:07:51,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-20 00:07:51,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:07:51,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:07:51,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:07:51,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-20 00:07:51,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-20 00:07:51,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-20 00:07:51,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:07:51,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:07:51,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:07:51,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:07:51,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:07:51,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:07:51,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:07:51,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:07:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-20 00:07:51,518 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18753,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:07:51,518 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:07:51,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:07:51,519 INFO L82 PathProgramCache]: Analyzing trace with hash 1454263567, now seen corresponding path program 12 times [2021-02-20 00:07:51,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:07:51,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586110214] [2021-02-20 00:07:51,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:07:51,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:07:51,787 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:07:51,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586110214] [2021-02-20 00:07:51,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134713887] [2021-02-20 00:07:51,787 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 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 [2021-02-20 00:07:51,818 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-02-20 00:07:51,818 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:07:51,819 WARN L261 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 76 conjunts are in the unsatisfiable core [2021-02-20 00:07:51,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:07:52,693 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 339 [2021-02-20 00:07:52,693 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:07:52,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 25 new quantified variables, introduced 78 case distinctions, treesize of input 59 treesize of output 667 [2021-02-20 00:07:57,027 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 1954 DAG size of output: 1547 [2021-02-20 00:07:57,164 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 1998 DAG size of output: 1590 [2021-02-20 00:07:57,308 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 2025 DAG size of output: 1617 [2021-02-20 00:07:57,552 WARN L202 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 3337 DAG size of output: 2495 [2021-02-20 00:07:57,803 WARN L202 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 3337 DAG size of output: 2495 [2021-02-20 00:07:58,112 WARN L202 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 3360 DAG size of output: 2518 [2021-02-20 00:07:58,316 WARN L202 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 2509 DAG size of output: 2506 [2021-02-20 00:07:58,559 WARN L202 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 2508 DAG size of output: 2523 [2021-02-20 00:07:58,767 WARN L202 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 2497 DAG size of output: 2494 [2021-02-20 00:07:58,955 WARN L202 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 1589 DAG size of output: 1968 [2021-02-20 00:07:59,119 WARN L202 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 1586 DAG size of output: 1595 [2021-02-20 00:07:59,261 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 1583 DAG size of output: 1663 [2021-02-20 00:07:59,373 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 1578 DAG size of output: 1578 [2021-02-20 00:07:59,498 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 1557 DAG size of output: 1557 [2021-02-20 00:07:59,606 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 1552 [2021-02-20 00:08:00,564 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 1510 [2021-02-20 00:08:02,178 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 1494 DAG size of output: 1104 [2021-02-20 00:08:03,510 WARN L202 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 2657 DAG size of output: 1450 [2021-02-20 00:08:03,702 WARN L202 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 3267 DAG size of output: 1895 [2021-02-20 00:08:03,909 WARN L202 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 3290 DAG size of output: 1917 [2021-02-20 00:08:04,124 WARN L202 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 3310 DAG size of output: 1936 [2021-02-20 00:08:04,358 WARN L202 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 3445 DAG size of output: 2035 [2021-02-20 00:08:04,604 WARN L202 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 3487 DAG size of output: 2073 [2021-02-20 00:08:04,920 WARN L202 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 3913 DAG size of output: 2323 [2021-02-20 00:08:05,080 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 1154 DAG size of output: 1549 [2021-02-20 00:08:05,285 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 1148 DAG size of output: 1246 [2021-02-20 00:08:05,585 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 1117 DAG size of output: 1161 [2021-02-20 00:08:07,500 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1881 DAG size of output: 1136 [2021-02-20 00:08:07,646 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 2316 DAG size of output: 1394 [2021-02-20 00:08:08,075 WARN L202 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 5749 DAG size of output: 3310 [2021-02-20 00:08:08,546 WARN L202 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 5779 DAG size of output: 3337 [2021-02-20 00:08:09,039 WARN L202 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 5779 DAG size of output: 3337 [2021-02-20 00:08:09,635 WARN L202 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 5791 DAG size of output: 3379 [2021-02-20 00:08:10,110 WARN L202 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 3344 DAG size of output: 3420 [2021-02-20 00:08:10,519 WARN L202 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 3280 DAG size of output: 3293 [2021-02-20 00:08:10,860 WARN L202 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 3216 DAG size of output: 3216 [2021-02-20 00:08:11,285 WARN L202 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 3191 DAG size of output: 3115 [2021-02-20 00:08:11,715 WARN L202 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 3087 DAG size of output: 3174 [2021-02-20 00:08:11,971 WARN L202 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 2011 DAG size of output: 1913 [2021-02-20 00:08:12,126 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 1693 [2021-02-20 00:08:13,637 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 1207 DAG size of output: 1207 [2021-02-20 00:08:13,949 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 1004 DAG size of output: 1200 [2021-02-20 00:08:16,376 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 1433 DAG size of output: 671 [2021-02-20 00:08:16,513 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 2067 DAG size of output: 912 [2021-02-20 00:08:16,702 WARN L202 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 2374 DAG size of output: 1168 [2021-02-20 00:08:17,003 WARN L202 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 3536 DAG size of output: 2226 [2021-02-20 00:08:17,332 WARN L202 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 3594 DAG size of output: 2268 [2021-02-20 00:08:17,701 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 3621 DAG size of output: 2239 [2021-02-20 00:08:18,066 WARN L202 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 3728 DAG size of output: 2298 [2021-02-20 00:08:18,478 WARN L202 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 3943 DAG size of output: 2495 [2021-02-20 00:08:18,937 WARN L202 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 4030 DAG size of output: 2583 [2021-02-20 00:08:19,372 WARN L202 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 4030 DAG size of output: 2583 [2021-02-20 00:08:19,858 WARN L202 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 4035 DAG size of output: 2581 [2021-02-20 00:08:20,322 WARN L202 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 2583 DAG size of output: 2779 [2021-02-20 00:08:20,859 WARN L202 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 2278 DAG size of output: 3164 [2021-02-20 00:08:21,272 WARN L202 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 1697 DAG size of output: 2269 [2021-02-20 00:08:21,522 WARN L202 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 1451 DAG size of output: 1548 [2021-02-20 00:08:21,651 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 1097 DAG size of output: 994 [2021-02-20 00:08:22,090 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 873 DAG size of output: 1198 [2021-02-20 00:08:22,217 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 785 DAG size of output: 999 [2021-02-20 00:08:22,370 WARN L202 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 755 DAG size of output: 1074 [2021-02-20 00:08:24,942 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 1336 DAG size of output: 714 [2021-02-20 00:08:25,093 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 1337 DAG size of output: 717 [2021-02-20 00:08:25,227 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 1470 DAG size of output: 809 [2021-02-20 00:08:25,439 WARN L202 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 2186 DAG size of output: 1283 [2021-02-20 00:08:25,641 WARN L202 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 1606 DAG size of output: 1604 [2021-02-20 00:08:25,839 WARN L202 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 1539 DAG size of output: 1539 [2021-02-20 00:08:25,994 WARN L202 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 1381 DAG size of output: 1381 [2021-02-20 00:08:26,642 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 1324 DAG size of output: 1284 [2021-02-20 00:08:26,873 WARN L202 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 1275 DAG size of output: 1269 [2021-02-20 00:08:27,030 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 941 DAG size of output: 1256 [2021-02-20 00:08:29,665 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 1729 DAG size of output: 979 [2021-02-20 00:08:29,835 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 1761 DAG size of output: 1012 [2021-02-20 00:08:30,030 WARN L202 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 2055 DAG size of output: 1192 [2021-02-20 00:08:30,376 WARN L202 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 2199 DAG size of output: 1322 [2021-02-20 00:08:30,611 WARN L202 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 2262 DAG size of output: 1363 [2021-02-20 00:08:31,066 WARN L202 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 3895 DAG size of output: 2281 [2021-02-20 00:08:31,584 WARN L202 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 2028 DAG size of output: 2639 [2021-02-20 00:08:31,782 WARN L202 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 1660 DAG size of output: 1652 [2021-02-20 00:08:31,974 WARN L202 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 1623 DAG size of output: 1623 [2021-02-20 00:08:32,523 WARN L202 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 1493 DAG size of output: 1601 [2021-02-20 00:08:32,680 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1135 DAG size of output: 1042 [2021-02-20 00:08:32,845 WARN L202 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 1023 DAG size of output: 1243 [2021-02-20 00:08:32,956 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 885 [2021-02-20 00:08:33,064 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 924 [2021-02-20 00:08:34,342 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 1038 [2021-02-20 00:08:34,610 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 1052 [2021-02-20 00:08:34,787 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 690 DAG size of output: 833 [2021-02-20 00:08:36,116 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 943 DAG size of output: 758 [2021-02-20 00:08:36,411 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 1056 DAG size of output: 809 [2021-02-20 00:08:36,633 WARN L202 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 1766 DAG size of output: 1200 [2021-02-20 00:08:36,851 WARN L202 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 1941 DAG size of output: 1296 [2021-02-20 00:08:37,079 WARN L202 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 1967 DAG size of output: 1313 [2021-02-20 00:08:37,333 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 1954 DAG size of output: 1952 [2021-02-20 00:08:37,723 WARN L202 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 1885 DAG size of output: 2090 [2021-02-20 00:08:37,888 WARN L202 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 1388 DAG size of output: 1370 [2021-02-20 00:08:38,189 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1250 DAG size of output: 1248 [2021-02-20 00:08:38,567 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 1202 DAG size of output: 1166 [2021-02-20 00:08:38,711 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1155 DAG size of output: 1155 [2021-02-20 00:08:38,894 WARN L202 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 1131 DAG size of output: 1416 [2021-02-20 00:08:39,079 WARN L202 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 946 DAG size of output: 1130 [2021-02-20 00:08:40,388 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 820 DAG size of output: 949 [2021-02-20 00:08:40,500 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 743 DAG size of output: 969 [2021-02-20 00:08:41,530 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 951 DAG size of output: 771 [2021-02-20 00:08:41,744 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 1135 DAG size of output: 884 [2021-02-20 00:08:41,875 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 1196 DAG size of output: 913 [2021-02-20 00:08:42,116 WARN L202 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 2191 DAG size of output: 1524 [2021-02-20 00:08:42,426 WARN L202 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 2245 DAG size of output: 1553 [2021-02-20 00:08:42,938 WARN L202 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 3475 DAG size of output: 2322 [2021-02-20 00:08:43,933 WARN L202 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 6866 DAG size of output: 4100 [2021-02-20 00:08:44,952 WARN L202 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 7402 DAG size of output: 4105 [2021-02-20 00:08:45,999 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 7402 DAG size of output: 4105 [2021-02-20 00:08:47,074 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 7407 DAG size of output: 4110 [2021-02-20 00:08:47,595 WARN L202 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 4112 DAG size of output: 2364 [2021-02-20 00:08:47,966 WARN L202 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 2072 DAG size of output: 1846 [2021-02-20 00:08:48,230 WARN L202 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 1675 DAG size of output: 1494 [2021-02-20 00:08:48,353 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 937 DAG size of output: 908 [2021-02-20 00:08:50,032 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1191 DAG size of output: 858 [2021-02-20 00:08:50,178 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 841 DAG size of output: 972 [2021-02-20 00:08:52,335 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 1057 DAG size of output: 813 [2021-02-20 00:08:52,570 WARN L202 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 1945 DAG size of output: 1310 [2021-02-20 00:08:53,240 WARN L202 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 2171 DAG size of output: 1451 [2021-02-20 00:08:53,492 WARN L202 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 2265 DAG size of output: 1520 [2021-02-20 00:08:53,771 WARN L202 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 2265 DAG size of output: 1520 [2021-02-20 00:08:54,032 WARN L202 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 2267 DAG size of output: 1522 [2021-02-20 00:08:54,155 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 1526 DAG size of output: 877 [2021-02-20 00:08:54,680 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-20 00:08:54,681 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:08:54,681 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-20 00:08:54,681 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:59, output treesize:3 [2021-02-20 00:08:54,688 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:08:54,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:08:54,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 38 [2021-02-20 00:08:54,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658061465] [2021-02-20 00:08:54,688 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-02-20 00:08:54,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:08:54,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-02-20 00:08:54,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=1387, Unknown=0, NotChecked=0, Total=1482 [2021-02-20 00:08:54,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:08:54,689 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:08:54,690 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 1.205128205128205) internal successors, (47), 38 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-20 00:08:54,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-20 00:08:54,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:08:54,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:08:54,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:08:54,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-20 00:08:54,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-20 00:08:54,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-20 00:08:54,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:08:54,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:08:54,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:08:54,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:08:54,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:08:54,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:08:54,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:08:54,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:08:54,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-20 00:08:54,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:08:54,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-20 00:08:54,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:08:54,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:08:54,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 00:08:54,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-20 00:08:54,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-20 00:08:54,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-20 00:08:54,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:08:54,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:08:54,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 00:08:54,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:08:54,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:08:54,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:08:54,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:08:54,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:08:54,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-20 00:08:54,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:08:55,198 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42166 [2021-02-20 00:08:55,199 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:08:55,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:08:55,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1540220189, now seen corresponding path program 13 times [2021-02-20 00:08:55,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:08:55,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782594002] [2021-02-20 00:08:55,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:08:55,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:08:55,509 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:08:55,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782594002] [2021-02-20 00:08:55,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1852471461] [2021-02-20 00:08:55,510 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 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 [2021-02-20 00:08:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:08:55,536 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 80 conjunts are in the unsatisfiable core [2021-02-20 00:08:55,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:08:56,609 WARN L202 SmtUtils]: Spent 523.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2021-02-20 00:08:56,609 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:08:56,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 27 new quantified variables, introduced 91 case distinctions, treesize of input 63 treesize of output 774 [2021-02-20 00:08:59,667 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 1319 DAG size of output: 1082 [2021-02-20 00:09:01,458 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 1036 DAG size of output: 934 [2021-02-20 00:09:03,458 WARN L202 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 1718 DAG size of output: 1504 [2021-02-20 00:09:03,756 WARN L202 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 2711 DAG size of output: 2240 [2021-02-20 00:09:04,060 WARN L202 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 2711 DAG size of output: 2240 [2021-02-20 00:09:04,430 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 2734 DAG size of output: 2263 [2021-02-20 00:09:05,073 WARN L202 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 2265 DAG size of output: 2760 [2021-02-20 00:09:05,732 WARN L202 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 2214 DAG size of output: 2345 [2021-02-20 00:09:06,040 WARN L202 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 2206 DAG size of output: 2185 [2021-02-20 00:09:06,172 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 1060 [2021-02-20 00:09:06,308 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 714 DAG size of output: 839 [2021-02-20 00:09:06,445 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 922 [2021-02-20 00:09:06,568 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 873 [2021-02-20 00:09:06,722 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 765 [2021-02-20 00:09:06,830 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 791 [2021-02-20 00:09:08,006 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 547 [2021-02-20 00:09:09,576 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 1059 DAG size of output: 974 [2021-02-20 00:09:09,725 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 1251 DAG size of output: 1159 [2021-02-20 00:09:10,928 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 816 [2021-02-20 00:09:11,185 WARN L202 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 1672 DAG size of output: 1653 [2021-02-20 00:09:14,263 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 875 [2021-02-20 00:09:14,466 WARN L202 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 1478 DAG size of output: 1278 [2021-02-20 00:09:14,943 WARN L202 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 2806 DAG size of output: 2648 [2021-02-20 00:09:16,508 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 963 DAG size of output: 908 [2021-02-20 00:09:17,626 WARN L202 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 1268 DAG size of output: 1210 [2021-02-20 00:09:17,843 WARN L202 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 1290 DAG size of output: 1224 [2021-02-20 00:09:20,079 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 1013 DAG size of output: 847 [2021-02-20 00:09:20,390 WARN L202 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 1918 DAG size of output: 1735 [2021-02-20 00:09:21,232 WARN L202 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 4108 DAG size of output: 3861 [2021-02-20 00:09:25,579 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 894 DAG size of output: 855 [2021-02-20 00:09:25,813 WARN L202 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 1472 DAG size of output: 1415 [2021-02-20 00:09:28,214 WARN L202 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 1102 DAG size of output: 1097 [2021-02-20 00:09:30,311 WARN L202 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 996 DAG size of output: 930 [2021-02-20 00:09:30,627 WARN L202 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 1885 DAG size of output: 1855 [2021-02-20 00:09:31,119 WARN L202 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 2979 DAG size of output: 2592 [2021-02-20 00:09:31,822 WARN L202 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 3330 DAG size of output: 2923 [2021-02-20 00:09:33,868 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 1034 DAG size of output: 935 [2021-02-20 00:09:34,356 WARN L202 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 1354 DAG size of output: 1208 [2021-02-20 00:09:36,604 WARN L202 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 1049 DAG size of output: 1054 [2021-02-20 00:09:37,457 WARN L202 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 1683 DAG size of output: 1619 [2021-02-20 00:09:37,849 WARN L202 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 2475 DAG size of output: 2361 [2021-02-20 00:09:39,632 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 895 DAG size of output: 878 [2021-02-20 00:09:41,256 WARN L202 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 1440 DAG size of output: 1361 [2021-02-20 00:09:41,812 WARN L202 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 1717 DAG size of output: 1614 [2021-02-20 00:09:42,524 WARN L202 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 3510 DAG size of output: 3419 [2021-02-20 00:09:43,857 WARN L202 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 5856 DAG size of output: 5538 [2021-02-20 00:09:45,258 WARN L202 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 5911 DAG size of output: 5557 [2021-02-20 00:09:47,550 WARN L202 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 9470 DAG size of output: 8715 [2021-02-20 00:09:50,305 WARN L202 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 9893 DAG size of output: 8955 [2021-02-20 00:09:52,824 WARN L202 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 1625 DAG size of output: 1180 [2021-02-20 00:09:54,323 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 968 DAG size of output: 790 [2021-02-20 00:09:54,658 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 2310 DAG size of output: 1732 [2021-02-20 00:09:57,453 WARN L202 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 11843 DAG size of output: 10408 [2021-02-20 00:10:00,478 WARN L202 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 12069 DAG size of output: 10662 [2021-02-20 00:10:03,677 WARN L202 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 12304 DAG size of output: 10799 [2021-02-20 00:10:07,170 WARN L202 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 12623 DAG size of output: 11076 [2021-02-20 00:10:07,376 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 770 [2021-02-20 00:10:07,505 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 574 DAG size of output: 799 [2021-02-20 00:10:12,387 WARN L202 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 1222 DAG size of output: 1178 [2021-02-20 00:10:12,550 WARN L202 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 1295 DAG size of output: 1237 [2021-02-20 00:10:16,306 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 1517 DAG size of output: 1293 [2021-02-20 00:10:16,610 WARN L202 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 2085 DAG size of output: 1873 [2021-02-20 00:10:17,125 WARN L202 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 3132 DAG size of output: 2873 [2021-02-20 00:10:19,649 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 1199 DAG size of output: 1078 [2021-02-20 00:10:19,855 WARN L202 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 1771 DAG size of output: 1614 [2021-02-20 00:10:22,183 WARN L202 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 1473 DAG size of output: 1347 [2021-02-20 00:10:22,505 WARN L202 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 2646 DAG size of output: 2378 [2021-02-20 00:10:24,848 WARN L202 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 1314 DAG size of output: 1284 [2021-02-20 00:10:27,116 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 1313 DAG size of output: 1108 [2021-02-20 00:10:28,944 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 1157 DAG size of output: 1094 [2021-02-20 00:10:29,122 WARN L202 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 1231 DAG size of output: 1163 [2021-02-20 00:10:29,411 WARN L202 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 2206 DAG size of output: 1970 [2021-02-20 00:10:29,868 WARN L202 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 3256 DAG size of output: 2982 [2021-02-20 00:10:30,714 WARN L202 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 4900 DAG size of output: 4652 [2021-02-20 00:10:32,511 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1221 DAG size of output: 1050 [2021-02-20 00:10:33,657 WARN L202 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 1852 DAG size of output: 1640 [2021-02-20 00:10:36,011 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 1417 DAG size of output: 1310 [2021-02-20 00:10:36,404 WARN L202 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 2751 DAG size of output: 2408 [2021-02-20 00:10:38,082 WARN L202 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 8107 DAG size of output: 7809 [2021-02-20 00:10:40,633 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 1152 DAG size of output: 972 [2021-02-20 00:10:41,463 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 1169 DAG size of output: 1060 [2021-02-20 00:10:43,144 WARN L202 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 1267 DAG size of output: 1175 [2021-02-20 00:10:45,873 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 1158 DAG size of output: 1056 [2021-02-20 00:10:47,457 WARN L202 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 1256 DAG size of output: 1171 [2021-02-20 00:10:47,891 WARN L202 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 2376 DAG size of output: 2190 [2021-02-20 00:10:50,066 WARN L202 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 10534 DAG size of output: 10078 [2021-02-20 00:10:52,917 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 1090 DAG size of output: 1011 [2021-02-20 00:10:53,139 WARN L202 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 1496 DAG size of output: 1466 [2021-02-20 00:10:53,961 WARN L202 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 2068 DAG size of output: 1823 [2021-02-20 00:10:56,505 WARN L202 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 12450 DAG size of output: 11688 [2021-02-20 00:10:59,313 WARN L202 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 13101 DAG size of output: 12266 [2021-02-20 00:11:02,282 WARN L202 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 13395 DAG size of output: 12440 [2021-02-20 00:11:05,436 WARN L202 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 14397 DAG size of output: 13079 [2021-02-20 00:11:08,793 WARN L202 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 14649 DAG size of output: 13223 [2021-02-20 00:11:12,294 WARN L202 SmtUtils]: Spent 3.43 s on a formula simplification. DAG size of input: 14977 DAG size of output: 13506 [2021-02-20 00:11:16,863 WARN L202 SmtUtils]: Spent 3.66 s on a formula simplification. DAG size of input: 15194 DAG size of output: 13738 [2021-02-20 00:11:24,048 WARN L202 SmtUtils]: Spent 7.09 s on a formula simplification. DAG size of input: 26745 DAG size of output: 23370 [2021-02-20 00:11:24,276 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 851 [2021-02-20 00:11:24,405 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 954 [2021-02-20 00:11:24,520 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 655 DAG size of output: 927 [2021-02-20 00:11:24,634 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 650 DAG size of output: 911 Received shutdown request... [2021-02-20 00:11:25,955 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable51170,SelfDestructingSolverStorable79083 [2021-02-20 00:11:25,955 WARN L545 AbstractCegarLoop]: Verification canceled [2021-02-20 00:11:25,958 WARN L224 ceAbstractionStarter]: Timeout [2021-02-20 00:11:25,959 INFO L202 PluginConnector]: Adding new model unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 12:11:25 BasicIcfg [2021-02-20 00:11:25,959 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-20 00:11:25,959 INFO L168 Benchmark]: Toolchain (without parser) took 557040.88 ms. Allocated memory was 255.9 MB in the beginning and 4.1 GB in the end (delta: 3.9 GB). Free memory was 236.6 MB in the beginning and 3.4 GB in the end (delta: -3.2 GB). Peak memory consumption was 2.6 GB. Max. memory is 16.0 GB. [2021-02-20 00:11:25,959 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 255.9 MB. Free memory was 237.8 MB in the beginning and 237.8 MB in the end (delta: 27.8 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-02-20 00:11:25,959 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.71 ms. Allocated memory is still 255.9 MB. Free memory was 236.1 MB in the beginning and 234.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-02-20 00:11:25,959 INFO L168 Benchmark]: Boogie Preprocessor took 17.38 ms. Allocated memory is still 255.9 MB. Free memory was 234.7 MB in the beginning and 233.6 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-02-20 00:11:25,959 INFO L168 Benchmark]: RCFGBuilder took 287.08 ms. Allocated memory is still 255.9 MB. Free memory was 233.4 MB in the beginning and 227.5 MB in the end (delta: 6.0 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.0 GB. [2021-02-20 00:11:25,959 INFO L168 Benchmark]: TraceAbstraction took 556703.73 ms. Allocated memory was 255.9 MB in the beginning and 4.1 GB in the end (delta: 3.9 GB). Free memory was 226.8 MB in the beginning and 3.4 GB in the end (delta: -3.2 GB). Peak memory consumption was 2.6 GB. Max. memory is 16.0 GB. [2021-02-20 00:11:25,960 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 0.14 ms. Allocated memory is still 255.9 MB. Free memory was 237.8 MB in the beginning and 237.8 MB in the end (delta: 27.8 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 24.71 ms. Allocated memory is still 255.9 MB. Free memory was 236.1 MB in the beginning and 234.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 17.38 ms. Allocated memory is still 255.9 MB. Free memory was 234.7 MB in the beginning and 233.6 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 287.08 ms. Allocated memory is still 255.9 MB. Free memory was 233.4 MB in the beginning and 227.5 MB in the end (delta: 6.0 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 556703.73 ms. Allocated memory was 255.9 MB in the beginning and 4.1 GB in the end (delta: 3.9 GB). Free memory was 226.8 MB in the beginning and 3.4 GB in the end (delta: -3.2 GB). Peak memory consumption was 2.6 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 64]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 64). Cancelled while PartialOrderCegarLoop was analyzing trace of length 28 with TraceHistMax 14,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 0ms.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 556.6s, OverallIterations: 18, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 398.5s InterpolantComputationTime, 602 NumberOfCodeBlocks, 602 NumberOfCodeBlocksAsserted, 68 NumberOfCheckSat, 569 ConstructedInterpolants, 0 QuantifiedInterpolants, 161722 SizeOfPredicates, 36 NumberOfNonLiveVariables, 1176 ConjunctsInSsa, 562 ConjunctsInUnsatCore, 33 InterpolantComputations, 1 PerfectInterpolantSequences, 179/1222 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