/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9b7772ad7705253c1305067fc38dc9bc7271fbe3-9b7772a [2021-04-15 10:49:08,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-15 10:49:08,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-15 10:49:08,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-15 10:49:08,419 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-15 10:49:08,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-15 10:49:08,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-15 10:49:08,429 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-15 10:49:08,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-15 10:49:08,435 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-15 10:49:08,436 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-15 10:49:08,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-15 10:49:08,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-15 10:49:08,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-15 10:49:08,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-15 10:49:08,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-15 10:49:08,444 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-15 10:49:08,445 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-15 10:49:08,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-15 10:49:08,453 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-15 10:49:08,455 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-15 10:49:08,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-15 10:49:08,457 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-15 10:49:08,459 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-15 10:49:08,465 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-15 10:49:08,465 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-15 10:49:08,465 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-15 10:49:08,467 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-15 10:49:08,467 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-15 10:49:08,468 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-15 10:49:08,468 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-15 10:49:08,469 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-15 10:49:08,471 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-15 10:49:08,471 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-15 10:49:08,471 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-15 10:49:08,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-15 10:49:08,472 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-15 10:49:08,472 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-15 10:49:08,472 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-15 10:49:08,473 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-15 10:49:08,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-15 10:49:08,474 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf [2021-04-15 10:49:08,503 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-15 10:49:08,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-15 10:49:08,505 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-04-15 10:49:08,505 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-04-15 10:49:08,508 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-15 10:49:08,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-15 10:49:08,509 INFO L138 SettingsManager]: * Use SBE=true [2021-04-15 10:49:08,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-15 10:49:08,510 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-15 10:49:08,510 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-15 10:49:08,511 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-15 10:49:08,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-15 10:49:08,511 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-15 10:49:08,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-15 10:49:08,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-15 10:49:08,512 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-15 10:49:08,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-15 10:49:08,512 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-15 10:49:08,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-15 10:49:08,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-15 10:49:08,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-15 10:49:08,517 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-15 10:49:08,517 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-15 10:49:08,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-15 10:49:08,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-15 10:49:08,518 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-15 10:49:08,518 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-15 10:49:08,518 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-15 10:49:08,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-15 10:49:08,518 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-04-15 10:49:08,518 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-04-15 10:49:08,518 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-04-15 10:49:08,518 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-04-15 10:49:08,518 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-15 10:49:08,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-15 10:49:08,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-15 10:49:08,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-15 10:49:08,835 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-04-15 10:49:08,836 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-04-15 10:49:08,836 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun.wvr.bpl [2021-04-15 10:49:08,837 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun.wvr.bpl' [2021-04-15 10:49:08,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-15 10:49:08,868 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-04-15 10:49:08,869 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-15 10:49:08,870 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-15 10:49:08,870 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-15 10:49:08,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 10:49:08" (1/1) ... [2021-04-15 10:49:08,886 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 10:49:08" (1/1) ... [2021-04-15 10:49:08,892 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-15 10:49:08,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-15 10:49:08,894 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-15 10:49:08,894 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-15 10:49:08,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 10:49:08" (1/1) ... [2021-04-15 10:49:08,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 10:49:08" (1/1) ... [2021-04-15 10:49:08,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 10:49:08" (1/1) ... [2021-04-15 10:49:08,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 10:49:08" (1/1) ... [2021-04-15 10:49:08,904 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 10:49:08" (1/1) ... [2021-04-15 10:49:08,907 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 10:49:08" (1/1) ... [2021-04-15 10:49:08,908 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 10:49:08" (1/1) ... [2021-04-15 10:49:08,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-15 10:49:08,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-15 10:49:08,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-15 10:49:08,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-15 10:49:08,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 10:49:08" (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 [2021-04-15 10:49:08,973 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-04-15 10:49:08,973 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-04-15 10:49:08,973 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-04-15 10:49:08,973 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-04-15 10:49:08,973 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-04-15 10:49:08,973 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-04-15 10:49:08,973 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-04-15 10:49:08,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-15 10:49:08,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-15 10:49:08,974 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-04-15 10:49:08,974 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-04-15 10:49:08,974 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-04-15 10:49:08,975 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-15 10:49:09,150 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-15 10:49:09,150 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-04-15 10:49:09,152 INFO L202 PluginConnector]: Adding new model sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 10:49:09 BoogieIcfgContainer [2021-04-15 10:49:09,152 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-15 10:49:09,153 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-15 10:49:09,154 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-15 10:49:09,156 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-15 10:49:09,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 10:49:08" (1/2) ... [2021-04-15 10:49:09,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1286fc27 and model type sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 10:49:09, skipping insertion in model container [2021-04-15 10:49:09,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 10:49:09" (2/2) ... [2021-04-15 10:49:09,158 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-fun.wvr.bpl [2021-04-15 10:49:09,163 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-04-15 10:49:09,163 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-15 10:49:09,167 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-15 10:49:09,168 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-15 10:49:09,203 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-04-15 10:49:09,237 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-04-15 10:49:09,308 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-15 10:49:09,308 INFO L377 AbstractCegarLoop]: Hoare is true [2021-04-15 10:49:09,308 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-15 10:49:09,308 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-15 10:49:09,308 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-15 10:49:09,309 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-15 10:49:09,309 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-15 10:49:09,309 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-15 10:49:09,361 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 10:49:09,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 10:49:09,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1685831996, now seen corresponding path program 1 times [2021-04-15 10:49:09,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 10:49:09,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776800438] [2021-04-15 10:49:09,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 10:49:09,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 10:49:09,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:49:09,580 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776800438] [2021-04-15 10:49:09,580 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 10:49:09,580 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-15 10:49:09,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173847108] [2021-04-15 10:49:09,584 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-15 10:49:09,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 10:49:09,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-15 10:49:09,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-15 10:49:09,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:49:09,595 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 10:49:09,597 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 10:49:09,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:49:09,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 10:49:09,680 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-15 10:49:09,680 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 10:49:09,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 10:49:09,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1860946394, now seen corresponding path program 1 times [2021-04-15 10:49:09,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 10:49:09,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994944727] [2021-04-15 10:49:09,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 10:49:09,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 10:49:09,759 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-15 10:49:09,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994944727] [2021-04-15 10:49:09,759 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 10:49:09,759 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-15 10:49:09,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345470155] [2021-04-15 10:49:09,760 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-15 10:49:09,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 10:49:09,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-15 10:49:09,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-15 10:49:09,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:49:09,762 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 10:49:09,762 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 10:49:09,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 10:49:09,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:49:09,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 10:49:09,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:49:09,803 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-15 10:49:09,803 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 10:49:09,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 10:49:09,803 INFO L82 PathProgramCache]: Analyzing trace with hash 2099964152, now seen corresponding path program 1 times [2021-04-15 10:49:09,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 10:49:09,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961333819] [2021-04-15 10:49:09,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 10:49:09,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 10:49:10,066 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:49:10,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961333819] [2021-04-15 10:49:10,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1455209529] [2021-04-15 10:49:10,068 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 [2021-04-15 10:49:10,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 10:49:10,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-04-15 10:49:10,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 10:49:10,374 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 10:49:10,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-04-15 10:49:10,382 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-15 10:49:10,386 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 10:49:10,390 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-15 10:49:10,391 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:7 [2021-04-15 10:49:10,426 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:49:10,426 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 10:49:10,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-04-15 10:49:10,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837860931] [2021-04-15 10:49:10,427 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-15 10:49:10,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 10:49:10,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-15 10:49:10,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-04-15 10:49:10,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:49:10,428 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 10:49:10,428 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 10:49:10,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 10:49:10,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:49:10,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:49:10,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 10:49:10,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:49:10,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:49:10,803 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 10:49:10,803 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 10:49:10,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 10:49:10,804 INFO L82 PathProgramCache]: Analyzing trace with hash 1225355926, now seen corresponding path program 2 times [2021-04-15 10:49:10,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 10:49:10,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694253565] [2021-04-15 10:49:10,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 10:49:10,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 10:49:10,862 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:49:10,862 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694253565] [2021-04-15 10:49:10,862 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2027447517] [2021-04-15 10:49:10,862 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 [2021-04-15 10:49:10,888 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-15 10:49:10,889 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 10:49:10,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-15 10:49:10,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 10:49:10,975 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:49:10,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 10:49:10,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-04-15 10:49:10,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865538649] [2021-04-15 10:49:10,976 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-15 10:49:10,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 10:49:10,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-15 10:49:10,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-04-15 10:49:10,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:49:10,977 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 10:49:10,978 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 10:49:10,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 10:49:10,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:49:10,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:49:10,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:49:11,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 10:49:11,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:49:11,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:49:11,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:49:11,340 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 10:49:11,341 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 10:49:11,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 10:49:11,341 INFO L82 PathProgramCache]: Analyzing trace with hash 661666650, now seen corresponding path program 1 times [2021-04-15 10:49:11,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 10:49:11,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590037441] [2021-04-15 10:49:11,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 10:49:11,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 10:49:11,395 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-15 10:49:11,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590037441] [2021-04-15 10:49:11,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1321010612] [2021-04-15 10:49:11,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 10:49:11,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 10:49:11,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-15 10:49:11,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 10:49:11,558 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-15 10:49:11,558 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 10:49:11,558 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-04-15 10:49:11,558 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314077375] [2021-04-15 10:49:11,558 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-15 10:49:11,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 10:49:11,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-15 10:49:11,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-04-15 10:49:11,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:49:11,559 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 10:49:11,560 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 10:49:11,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 10:49:11,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:49:11,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:49:11,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:49:11,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:49:11,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 10:49:11,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:49:11,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:49:11,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:49:11,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:49:11,867 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 10:49:11,867 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 10:49:11,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 10:49:11,868 INFO L82 PathProgramCache]: Analyzing trace with hash -258173320, now seen corresponding path program 2 times [2021-04-15 10:49:11,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 10:49:11,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647670411] [2021-04-15 10:49:11,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 10:49:11,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 10:49:12,206 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:49:12,206 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647670411] [2021-04-15 10:49:12,206 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [466712574] [2021-04-15 10:49:12,206 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 10:49:12,246 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-15 10:49:12,246 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 10:49:12,247 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 39 conjunts are in the unsatisfiable core [2021-04-15 10:49:12,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 10:49:12,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:49:12,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:49:12,766 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 10:49:12,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 29 treesize of output 59 [2021-04-15 10:49:12,811 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-04-15 10:49:12,875 INFO L628 ElimStorePlain]: treesize reduction 64, result has 44.3 percent of original size [2021-04-15 10:49:12,913 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-15 10:49:12,914 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:53, output treesize:67 [2021-04-15 10:49:13,010 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:49:13,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 10:49:13,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-04-15 10:49:13,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116083126] [2021-04-15 10:49:13,012 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-04-15 10:49:13,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 10:49:13,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-04-15 10:49:13,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=507, Unknown=0, NotChecked=0, Total=600 [2021-04-15 10:49:13,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:49:13,014 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 10:49:13,014 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.08) internal successors, (52), 25 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 10:49:13,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 10:49:13,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:49:13,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:49:13,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:49:13,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:49:13,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:49:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 10:49:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:49:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:49:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:49:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:49:13,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:49:13,780 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-04-15 10:49:13,781 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 10:49:13,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 10:49:13,782 INFO L82 PathProgramCache]: Analyzing trace with hash 538878486, now seen corresponding path program 3 times [2021-04-15 10:49:13,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 10:49:13,782 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945369969] [2021-04-15 10:49:13,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 10:49:13,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 10:49:13,881 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:49:13,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945369969] [2021-04-15 10:49:13,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [591771344] [2021-04-15 10:49:13,881 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 10:49:13,909 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-04-15 10:49:13,910 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 10:49:13,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-04-15 10:49:13,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 10:49:14,069 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:49:14,069 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 10:49:14,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-04-15 10:49:14,070 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735845561] [2021-04-15 10:49:14,070 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-04-15 10:49:14,070 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 10:49:14,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-04-15 10:49:14,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-04-15 10:49:14,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:49:14,071 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 10:49:14,071 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 20 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 10:49:14,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 10:49:14,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:49:14,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:49:14,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:49:14,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:49:14,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:49:14,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:49:14,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 10:49:14,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:49:14,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:49:14,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:49:14,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:49:14,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:49:14,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-04-15 10:49:14,672 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 10:49:14,673 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 10:49:14,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 10:49:14,673 INFO L82 PathProgramCache]: Analyzing trace with hash 157395674, now seen corresponding path program 4 times [2021-04-15 10:49:14,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 10:49:14,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141963377] [2021-04-15 10:49:14,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 10:49:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 10:49:14,769 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-15 10:49:14,769 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141963377] [2021-04-15 10:49:14,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643038413] [2021-04-15 10:49:14,770 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 10:49:14,797 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-15 10:49:14,797 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 10:49:14,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-04-15 10:49:14,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 10:49:14,911 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-15 10:49:14,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 10:49:14,911 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-04-15 10:49:14,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972263378] [2021-04-15 10:49:14,912 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-04-15 10:49:14,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 10:49:14,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-04-15 10:49:14,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-04-15 10:49:14,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:49:14,912 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 10:49:14,912 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 10:49:14,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 10:49:14,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:49:14,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:49:14,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:49:14,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:49:14,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:49:14,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-04-15 10:49:14,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:49:15,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 10:49:15,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:49:15,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:49:15,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:49:15,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:49:15,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:49:15,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-04-15 10:49:15,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:49:15,289 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 10:49:15,289 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 10:49:15,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 10:49:15,290 INFO L82 PathProgramCache]: Analyzing trace with hash -1710749704, now seen corresponding path program 5 times [2021-04-15 10:49:15,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 10:49:15,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439263214] [2021-04-15 10:49:15,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 10:49:15,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 10:49:15,873 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:49:15,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439263214] [2021-04-15 10:49:15,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565070425] [2021-04-15 10:49:15,874 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 10:49:15,922 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-04-15 10:49:15,923 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 10:49:15,924 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 50 conjunts are in the unsatisfiable core [2021-04-15 10:49:15,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 10:49:16,766 INFO L354 Elim1Store]: treesize reduction 118, result has 2.5 percent of original size [2021-04-15 10:49:16,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 121 treesize of output 73 [2021-04-15 10:49:16,769 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-15 10:49:16,774 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 10:49:16,777 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-15 10:49:16,778 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:126, output treesize:5 [2021-04-15 10:49:16,802 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:49:16,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 10:49:16,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 31 [2021-04-15 10:49:16,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652885925] [2021-04-15 10:49:16,803 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-04-15 10:49:16,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 10:49:16,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-04-15 10:49:16,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=847, Unknown=0, NotChecked=0, Total=930 [2021-04-15 10:49:16,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:49:16,804 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 10:49:16,804 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.193548387096774) internal successors, (68), 31 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 10:49:16,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 10:49:16,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:49:16,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:49:16,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:49:16,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:49:16,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:49:16,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-04-15 10:49:16,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:49:16,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:49:18,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 10:49:18,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:49:18,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:49:18,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:49:18,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:49:18,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:49:18,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-04-15 10:49:18,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:49:18,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-15 10:49:18,260 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-04-15 10:49:18,261 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 10:49:18,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 10:49:18,262 INFO L82 PathProgramCache]: Analyzing trace with hash -1702128234, now seen corresponding path program 6 times [2021-04-15 10:49:18,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 10:49:18,262 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456451865] [2021-04-15 10:49:18,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 10:49:18,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 10:49:18,402 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:49:18,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456451865] [2021-04-15 10:49:18,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050918682] [2021-04-15 10:49:18,403 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 10:49:18,461 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-04-15 10:49:18,462 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 10:49:18,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 15 conjunts are in the unsatisfiable core [2021-04-15 10:49:18,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 10:49:18,722 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 25 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:49:18,722 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 10:49:18,722 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 28 [2021-04-15 10:49:18,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563475686] [2021-04-15 10:49:18,722 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-04-15 10:49:18,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 10:49:18,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-04-15 10:49:18,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=617, Unknown=0, NotChecked=0, Total=756 [2021-04-15 10:49:18,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:49:18,723 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 10:49:18,724 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 2.392857142857143) internal successors, (67), 28 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 10:49:18,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 10:49:18,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:49:18,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:49:18,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:49:18,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:49:18,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:49:18,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-04-15 10:49:18,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:49:18,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-04-15 10:49:18,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:49:19,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 10:49:19,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:49:19,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:49:19,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:49:19,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:49:19,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:49:19,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-04-15 10:49:19,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:49:19,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-15 10:49:19,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-04-15 10:49:19,717 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 10:49:19,717 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 10:49:19,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 10:49:19,718 INFO L82 PathProgramCache]: Analyzing trace with hash -718741926, now seen corresponding path program 7 times [2021-04-15 10:49:19,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 10:49:19,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755775635] [2021-04-15 10:49:19,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 10:49:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 10:49:19,853 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-15 10:49:19,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755775635] [2021-04-15 10:49:19,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047045778] [2021-04-15 10:49:19,854 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 10:49:19,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 10:49:19,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 15 conjunts are in the unsatisfiable core [2021-04-15 10:49:19,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 10:49:20,065 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-15 10:49:20,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 10:49:20,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 23 [2021-04-15 10:49:20,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966672846] [2021-04-15 10:49:20,066 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-04-15 10:49:20,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 10:49:20,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-04-15 10:49:20,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=364, Unknown=0, NotChecked=0, Total=506 [2021-04-15 10:49:20,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:49:20,067 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 10:49:20,067 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.608695652173913) internal successors, (60), 23 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 10:49:20,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 10:49:20,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:49:20,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:49:20,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:49:20,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:49:20,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:49:20,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-04-15 10:49:20,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:49:20,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-04-15 10:49:20,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-04-15 10:49:20,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:49:20,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 10:49:20,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:49:20,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:49:20,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:49:20,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:49:20,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:49:20,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-04-15 10:49:20,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:49:20,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-15 10:49:20,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-04-15 10:49:20,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-04-15 10:49:20,461 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 10:49:20,461 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 10:49:20,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 10:49:20,462 INFO L82 PathProgramCache]: Analyzing trace with hash -1675149960, now seen corresponding path program 8 times [2021-04-15 10:49:20,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 10:49:20,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563828608] [2021-04-15 10:49:20,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 10:49:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 10:49:21,452 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 16 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:49:21,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563828608] [2021-04-15 10:49:21,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1224849615] [2021-04-15 10:49:21,453 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 10:49:21,496 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-15 10:49:21,496 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 10:49:21,498 WARN L261 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 66 conjunts are in the unsatisfiable core [2021-04-15 10:49:21,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 10:49:22,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:49:22,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:49:22,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:49:22,490 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 10:49:22,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:49:22,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:49:22,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:49:22,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 23 [2021-04-15 10:49:22,495 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-15 10:49:22,500 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 10:49:22,502 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-15 10:49:22,502 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:60, output treesize:5 [2021-04-15 10:49:22,532 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:49:22,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 10:49:22,532 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 21] total 39 [2021-04-15 10:49:22,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910058131] [2021-04-15 10:49:22,532 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-04-15 10:49:22,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 10:49:22,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-04-15 10:49:22,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=1323, Unknown=0, NotChecked=0, Total=1482 [2021-04-15 10:49:22,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:49:22,534 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 10:49:22,534 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 2.128205128205128) internal successors, (83), 39 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 10:49:22,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 10:49:22,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:49:22,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:49:22,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:49:22,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:49:22,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:49:22,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-04-15 10:49:22,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:49:22,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-04-15 10:49:22,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-04-15 10:49:22,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-04-15 10:49:22,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:49:23,776 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2021-04-15 10:49:24,040 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 102 [2021-04-15 10:49:24,352 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2021-04-15 10:49:24,523 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2021-04-15 10:49:24,827 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2021-04-15 10:49:25,042 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2021-04-15 10:49:27,367 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 91 [2021-04-15 10:49:27,557 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2021-04-15 10:49:27,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 10:49:27,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:49:27,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:49:27,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:49:27,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:49:27,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:49:27,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-04-15 10:49:27,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:49:27,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-15 10:49:27,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-04-15 10:49:27,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-04-15 10:49:27,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-04-15 10:49:27,796 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-04-15 10:49:27,797 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 10:49:27,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 10:49:27,798 INFO L82 PathProgramCache]: Analyzing trace with hash 1033138774, now seen corresponding path program 9 times [2021-04-15 10:49:27,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 10:49:27,798 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570915654] [2021-04-15 10:49:27,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 10:49:27,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 10:49:27,995 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 49 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:49:27,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570915654] [2021-04-15 10:49:27,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [262957076] [2021-04-15 10:49:27,996 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 10:49:28,029 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-04-15 10:49:28,029 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 10:49:28,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 21 conjunts are in the unsatisfiable core [2021-04-15 10:49:28,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 10:49:28,514 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 64 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:49:28,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 10:49:28,515 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 40 [2021-04-15 10:49:28,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355485083] [2021-04-15 10:49:28,515 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-04-15 10:49:28,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 10:49:28,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-04-15 10:49:28,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=283, Invalid=1277, Unknown=0, NotChecked=0, Total=1560 [2021-04-15 10:49:28,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:49:28,516 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 10:49:28,517 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 2.275) internal successors, (91), 40 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 10:49:28,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 10:49:28,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:49:28,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:49:28,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:49:28,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:49:28,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:49:28,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-04-15 10:49:28,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:49:28,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-04-15 10:49:28,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-04-15 10:49:28,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-04-15 10:49:28,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-04-15 10:49:28,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:49:29,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 10:49:29,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:49:29,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:49:29,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:49:29,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:49:29,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:49:29,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-04-15 10:49:29,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:49:29,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-15 10:49:29,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-04-15 10:49:29,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-04-15 10:49:29,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-04-15 10:49:29,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-04-15 10:49:30,093 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-04-15 10:49:30,093 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 10:49:30,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 10:49:30,094 INFO L82 PathProgramCache]: Analyzing trace with hash -621454566, now seen corresponding path program 10 times [2021-04-15 10:49:30,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 10:49:30,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060973153] [2021-04-15 10:49:30,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 10:49:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 10:49:30,268 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 81 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-15 10:49:30,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060973153] [2021-04-15 10:49:30,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219851275] [2021-04-15 10:49:30,269 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 10:49:30,300 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-15 10:49:30,300 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 10:49:30,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 21 conjunts are in the unsatisfiable core [2021-04-15 10:49:30,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 10:49:30,570 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 81 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-15 10:49:30,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 10:49:30,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 32 [2021-04-15 10:49:30,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234233059] [2021-04-15 10:49:30,572 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-04-15 10:49:30,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 10:49:30,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-04-15 10:49:30,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=262, Invalid=730, Unknown=0, NotChecked=0, Total=992 [2021-04-15 10:49:30,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:49:30,574 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 10:49:30,574 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.4375) internal successors, (78), 32 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 10:49:30,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 10:49:30,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:49:30,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:49:30,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:49:30,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:49:30,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:49:30,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-04-15 10:49:30,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:49:30,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-04-15 10:49:30,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-04-15 10:49:30,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-04-15 10:49:30,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-04-15 10:49:30,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-04-15 10:49:30,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:49:30,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 10:49:30,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:49:30,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:49:30,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:49:30,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:49:30,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:49:30,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-04-15 10:49:30,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:49:30,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-15 10:49:30,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-04-15 10:49:30,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-04-15 10:49:30,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-04-15 10:49:30,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-04-15 10:49:30,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-04-15 10:49:31,040 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-04-15 10:49:31,041 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 10:49:31,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 10:49:31,041 INFO L82 PathProgramCache]: Analyzing trace with hash -1481114312, now seen corresponding path program 11 times [2021-04-15 10:49:31,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 10:49:31,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920668204] [2021-04-15 10:49:31,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 10:49:31,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 10:49:32,627 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 49 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:49:32,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920668204] [2021-04-15 10:49:32,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105903069] [2021-04-15 10:49:32,628 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 10:49:32,668 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-04-15 10:49:32,669 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 10:49:32,670 WARN L261 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 90 conjunts are in the unsatisfiable core [2021-04-15 10:49:32,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 10:49:34,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:49:34,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:49:34,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:49:34,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:49:34,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:49:34,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:49:34,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:49:34,239 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 10:49:34,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 29 [2021-04-15 10:49:34,243 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-15 10:49:34,248 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 10:49:34,250 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-15 10:49:34,250 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:5 [2021-04-15 10:49:34,292 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:49:34,293 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 10:49:34,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 26] total 52 [2021-04-15 10:49:34,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661920244] [2021-04-15 10:49:34,293 INFO L460 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-04-15 10:49:34,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 10:49:34,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-04-15 10:49:34,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=237, Invalid=2415, Unknown=0, NotChecked=0, Total=2652 [2021-04-15 10:49:34,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:49:34,295 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 10:49:34,295 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 2.0961538461538463) internal successors, (109), 52 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 10:49:34,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 10:49:34,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:49:34,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:49:34,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:49:34,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:49:34,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:49:34,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-04-15 10:49:34,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:49:34,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-04-15 10:49:34,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-04-15 10:49:34,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-04-15 10:49:34,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-04-15 10:49:34,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-04-15 10:49:34,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-04-15 10:49:34,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:49:36,942 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 77 [2021-04-15 10:49:37,582 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 119 [2021-04-15 10:49:37,805 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2021-04-15 10:49:38,041 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 109 [2021-04-15 10:49:38,204 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 94 [2021-04-15 10:49:38,433 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2021-04-15 10:49:38,734 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 114 [2021-04-15 10:49:44,625 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2021-04-15 10:49:44,961 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2021-04-15 10:49:45,252 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 106 [2021-04-15 10:49:45,706 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2021-04-15 10:49:45,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 10:49:45,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:49:45,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:49:45,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:49:45,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:49:45,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:49:45,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-04-15 10:49:45,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:49:45,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-15 10:49:45,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-04-15 10:49:45,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-04-15 10:49:45,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-04-15 10:49:45,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-04-15 10:49:45,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-04-15 10:49:45,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-04-15 10:49:45,945 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 10:49:45,945 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 10:49:45,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 10:49:45,945 INFO L82 PathProgramCache]: Analyzing trace with hash -1071314922, now seen corresponding path program 12 times [2021-04-15 10:49:45,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 10:49:45,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173670987] [2021-04-15 10:49:45,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 10:49:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 10:49:46,259 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 100 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:49:46,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173670987] [2021-04-15 10:49:46,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1406494954] [2021-04-15 10:49:46,260 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 10:49:46,301 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2021-04-15 10:49:46,301 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 10:49:46,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 27 conjunts are in the unsatisfiable core [2021-04-15 10:49:46,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 10:49:47,129 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 121 proven. 124 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:49:47,129 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 10:49:47,130 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 52 [2021-04-15 10:49:47,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765484420] [2021-04-15 10:49:47,130 INFO L460 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-04-15 10:49:47,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 10:49:47,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-04-15 10:49:47,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=481, Invalid=2171, Unknown=0, NotChecked=0, Total=2652 [2021-04-15 10:49:47,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:49:47,132 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 10:49:47,132 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 2.2115384615384617) internal successors, (115), 52 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 10:49:47,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 10:49:47,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:49:47,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:49:47,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:49:47,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:49:47,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:49:47,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-04-15 10:49:47,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:49:47,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-04-15 10:49:47,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-04-15 10:49:47,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-04-15 10:49:47,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-04-15 10:49:47,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-04-15 10:49:47,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-04-15 10:49:47,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-04-15 10:49:47,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:49:49,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 10:49:49,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:49:49,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:49:49,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:49:49,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:49:49,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:49:49,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-04-15 10:49:49,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:49:49,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-15 10:49:49,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-04-15 10:49:49,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-04-15 10:49:49,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-04-15 10:49:49,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-04-15 10:49:49,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-04-15 10:49:49,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-04-15 10:49:49,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-04-15 10:49:49,894 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-04-15 10:49:49,895 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 10:49:49,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 10:49:49,895 INFO L82 PathProgramCache]: Analyzing trace with hash -742059814, now seen corresponding path program 13 times [2021-04-15 10:49:49,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 10:49:49,895 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687234259] [2021-04-15 10:49:49,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 10:49:49,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 10:49:50,233 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 144 proven. 144 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-15 10:49:50,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687234259] [2021-04-15 10:49:50,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924366083] [2021-04-15 10:49:50,233 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 10:49:50,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 10:49:50,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 27 conjunts are in the unsatisfiable core [2021-04-15 10:49:50,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 10:49:50,688 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 144 proven. 144 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-15 10:49:50,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 10:49:50,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 41 [2021-04-15 10:49:50,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3125174] [2021-04-15 10:49:50,689 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-04-15 10:49:50,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 10:49:50,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-04-15 10:49:50,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=418, Invalid=1222, Unknown=0, NotChecked=0, Total=1640 [2021-04-15 10:49:50,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:49:50,690 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 10:49:50,690 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 2.341463414634146) internal successors, (96), 41 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 10:49:50,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 10:49:50,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:49:50,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:49:50,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:49:50,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:49:50,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:49:50,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-04-15 10:49:50,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:49:50,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-04-15 10:49:50,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-04-15 10:49:50,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-04-15 10:49:50,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-04-15 10:49:50,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-04-15 10:49:50,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-04-15 10:49:50,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-04-15 10:49:50,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-04-15 10:49:50,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:49:51,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 10:49:51,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:49:51,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:49:51,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:49:51,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:49:51,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:49:51,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-04-15 10:49:51,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:49:51,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-15 10:49:51,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-04-15 10:49:51,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-04-15 10:49:51,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-04-15 10:49:51,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-04-15 10:49:51,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-04-15 10:49:51,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-04-15 10:49:51,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-04-15 10:49:51,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-04-15 10:49:51,331 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 10:49:51,331 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 10:49:51,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 10:49:51,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1795126776, now seen corresponding path program 14 times [2021-04-15 10:49:51,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 10:49:51,332 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621553307] [2021-04-15 10:49:51,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 10:49:51,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 10:49:54,022 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 66 proven. 248 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:49:54,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621553307] [2021-04-15 10:49:54,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258951009] [2021-04-15 10:49:54,022 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 10:49:54,059 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-15 10:49:54,059 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 10:49:54,062 WARN L261 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 114 conjunts are in the unsatisfiable core [2021-04-15 10:49:54,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 10:49:57,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:49:57,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:49:57,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:49:57,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:49:57,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:49:57,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:49:57,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:49:57,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:49:57,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:49:57,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:49:57,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:49:57,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:49:57,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:49:57,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:49:57,542 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 10:49:57,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:49:57,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:49:57,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:49:57,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:49:57,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:49:57,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 78 disjoint index pairs (out of 91 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 35 [2021-04-15 10:49:57,553 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-15 10:49:57,560 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 10:49:57,562 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-15 10:49:57,562 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:96, output treesize:5 [2021-04-15 10:49:57,622 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 0 proven. 314 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:49:57,623 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 10:49:57,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 33] total 63 [2021-04-15 10:49:57,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281224300] [2021-04-15 10:49:57,623 INFO L460 AbstractCegarLoop]: Interpolant automaton has 63 states [2021-04-15 10:49:57,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 10:49:57,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-04-15 10:49:57,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=360, Invalid=3546, Unknown=0, NotChecked=0, Total=3906 [2021-04-15 10:49:57,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:49:57,625 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 10:49:57,625 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 63 states, 63 states have (on average 2.0793650793650795) internal successors, (131), 63 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 10:49:57,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 10:49:57,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:49:57,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:49:57,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:49:57,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:49:57,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:49:57,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-04-15 10:49:57,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:49:57,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-04-15 10:49:57,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-04-15 10:49:57,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-04-15 10:49:57,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-04-15 10:49:57,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-04-15 10:49:57,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-04-15 10:49:57,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-04-15 10:49:57,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-04-15 10:49:57,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-04-15 10:49:57,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:50:02,148 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 89 [2021-04-15 10:50:02,485 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 51 [2021-04-15 10:50:03,062 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 134 [2021-04-15 10:50:03,787 WARN L205 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 144 [2021-04-15 10:50:04,238 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 104 [2021-04-15 10:50:04,647 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 106 [2021-04-15 10:50:05,038 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 116 [2021-04-15 10:50:05,584 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 121 [2021-04-15 10:50:05,942 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2021-04-15 10:50:06,552 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 72 [2021-04-15 10:50:06,848 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 65 [2021-04-15 10:50:10,745 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2021-04-15 10:50:12,241 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2021-04-15 10:50:13,968 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-04-15 10:50:14,867 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2021-04-15 10:50:16,543 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2021-04-15 10:50:17,382 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-04-15 10:50:19,635 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2021-04-15 10:50:19,969 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2021-04-15 10:50:20,235 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2021-04-15 10:50:20,586 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2021-04-15 10:50:20,871 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2021-04-15 10:50:21,221 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2021-04-15 10:50:21,475 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-04-15 10:50:21,818 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 72 [2021-04-15 10:50:22,349 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2021-04-15 10:50:22,764 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 111 [2021-04-15 10:50:22,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 10:50:22,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:50:22,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:50:22,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:50:22,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:50:22,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:50:22,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-04-15 10:50:22,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:50:22,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-15 10:50:22,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-04-15 10:50:22,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-04-15 10:50:22,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-04-15 10:50:22,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-04-15 10:50:22,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-04-15 10:50:22,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-04-15 10:50:22,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-04-15 10:50:22,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-04-15 10:50:22,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-04-15 10:50:23,045 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-04-15 10:50:23,045 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 10:50:23,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 10:50:23,045 INFO L82 PathProgramCache]: Analyzing trace with hash -1433173960, now seen corresponding path program 15 times [2021-04-15 10:50:23,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 10:50:23,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912323006] [2021-04-15 10:50:23,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 10:50:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 10:50:24,817 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2021-04-15 10:50:25,044 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2021-04-15 10:50:27,309 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 65 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:50:27,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912323006] [2021-04-15 10:50:27,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1540770171] [2021-04-15 10:50:27,310 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 10:50:27,360 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2021-04-15 10:50:27,360 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 10:50:27,363 WARN L261 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 126 conjunts are in the unsatisfiable core [2021-04-15 10:50:27,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 10:50:34,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:50:34,839 INFO L244 Elim1Store]: Index analysis took 331 ms [2021-04-15 10:50:35,226 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2021-04-15 10:50:35,227 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 10:50:35,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 21 select indices, 21 select index equivalence classes, 182 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 28 case distinctions, treesize of input 105 treesize of output 315 [2021-04-15 10:50:37,143 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-04-15 10:50:37,229 INFO L628 ElimStorePlain]: treesize reduction 9, result has 85.0 percent of original size [2021-04-15 10:50:37,243 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-04-15 10:50:37,243 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:129, output treesize:41 [2021-04-15 10:50:37,610 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:50:37,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 10:50:37,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 38] total 70 [2021-04-15 10:50:37,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512424078] [2021-04-15 10:50:37,612 INFO L460 AbstractCegarLoop]: Interpolant automaton has 70 states [2021-04-15 10:50:37,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 10:50:37,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2021-04-15 10:50:37,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=386, Invalid=4444, Unknown=0, NotChecked=0, Total=4830 [2021-04-15 10:50:37,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:50:37,613 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 10:50:37,613 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 70 states, 70 states have (on average 1.9857142857142858) internal successors, (139), 70 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 10:50:37,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 10:50:37,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:50:37,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:50:37,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:50:37,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:50:37,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:50:37,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-04-15 10:50:37,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:50:37,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-04-15 10:50:37,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-04-15 10:50:37,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-04-15 10:50:37,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-04-15 10:50:37,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-04-15 10:50:37,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-04-15 10:50:37,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-04-15 10:50:37,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-04-15 10:50:37,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-04-15 10:50:37,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-04-15 10:50:37,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:50:38,908 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2021-04-15 10:50:39,820 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2021-04-15 10:50:40,579 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-04-15 10:50:41,326 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-04-15 10:50:42,210 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-04-15 10:50:43,178 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 63 [2021-04-15 10:50:43,634 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 71 [2021-04-15 10:50:44,211 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2021-04-15 10:50:44,678 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 74 [2021-04-15 10:50:45,425 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 76 [2021-04-15 10:50:46,118 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 81 [2021-04-15 10:50:46,795 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 79 [2021-04-15 10:50:47,356 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 86 [2021-04-15 10:50:48,048 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 86 [2021-04-15 10:50:48,485 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 89 [2021-04-15 10:50:49,105 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 93 [2021-04-15 10:50:49,552 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 55 [2021-04-15 10:50:50,640 WARN L205 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 141 [2021-04-15 10:50:51,850 WARN L205 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 151 [2021-04-15 10:50:52,642 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 111 [2021-04-15 10:50:53,310 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 111 [2021-04-15 10:50:54,008 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 121 [2021-04-15 10:50:55,000 WARN L205 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 126 [2021-04-15 10:50:55,733 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2021-04-15 10:50:56,292 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2021-04-15 10:50:56,872 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2021-04-15 10:50:57,421 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2021-04-15 10:50:57,962 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 65 [2021-04-15 10:50:58,521 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2021-04-15 10:50:59,066 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2021-04-15 10:50:59,600 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-04-15 10:51:00,158 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2021-04-15 10:51:00,703 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2021-04-15 10:51:01,268 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-04-15 10:51:01,552 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-04-15 10:51:01,781 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2021-04-15 10:51:04,761 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2021-04-15 10:51:05,493 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2021-04-15 10:51:07,091 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-04-15 10:51:08,615 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2021-04-15 10:51:09,084 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2021-04-15 10:51:10,320 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2021-04-15 10:51:11,850 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2021-04-15 10:51:13,434 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2021-04-15 10:51:15,078 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2021-04-15 10:51:16,686 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2021-04-15 10:51:18,268 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 66 [2021-04-15 10:51:19,872 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2021-04-15 10:51:21,498 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2021-04-15 10:51:23,155 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2021-04-15 10:51:24,145 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-04-15 10:51:24,782 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2021-04-15 10:51:25,786 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2021-04-15 10:51:26,538 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 116 [2021-04-15 10:51:26,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 10:51:26,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:51:26,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:51:26,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:51:26,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:51:26,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:51:26,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-04-15 10:51:26,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:51:26,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-15 10:51:26,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-04-15 10:51:26,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-04-15 10:51:26,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-04-15 10:51:26,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-04-15 10:51:26,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-04-15 10:51:26,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-04-15 10:51:26,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-04-15 10:51:26,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-04-15 10:51:26,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-04-15 10:51:26,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-04-15 10:51:26,861 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2021-04-15 10:51:26,861 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 10:51:26,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 10:51:26,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1999747960, now seen corresponding path program 16 times [2021-04-15 10:51:26,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 10:51:26,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870341284] [2021-04-15 10:51:26,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 10:51:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 10:51:27,509 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2021-04-15 10:51:27,672 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2021-04-15 10:51:27,821 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2021-04-15 10:51:27,998 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2021-04-15 10:51:28,183 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2021-04-15 10:51:28,362 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2021-04-15 10:51:28,593 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2021-04-15 10:51:28,815 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2021-04-15 10:51:29,031 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-04-15 10:51:29,256 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2021-04-15 10:51:29,484 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2021-04-15 10:51:29,714 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-04-15 10:51:30,058 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2021-04-15 10:51:30,405 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2021-04-15 10:51:31,423 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2021-04-15 10:51:31,706 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2021-04-15 10:51:32,001 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2021-04-15 10:51:32,264 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2021-04-15 10:51:32,565 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2021-04-15 10:51:32,847 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2021-04-15 10:51:33,118 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2021-04-15 10:51:33,395 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-04-15 10:51:33,684 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2021-04-15 10:51:33,967 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2021-04-15 10:51:34,857 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 92 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:51:34,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870341284] [2021-04-15 10:51:34,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [58347132] [2021-04-15 10:51:34,857 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 10:51:34,902 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-15 10:51:34,902 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 10:51:34,905 WARN L261 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 130 conjunts are in the unsatisfiable core [2021-04-15 10:51:34,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 10:51:46,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:51:46,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:51:46,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:51:46,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:51:46,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:51:46,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:51:46,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:51:46,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:51:46,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:51:46,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:51:46,414 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 10:51:46,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:51:46,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:51:46,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:51:46,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:51:46,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:51:46,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:51:46,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 105 disjoint index pairs (out of 120 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 39 [2021-04-15 10:51:46,445 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-15 10:51:46,465 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 10:51:46,469 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-15 10:51:46,469 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:108, output treesize:5 [2021-04-15 10:51:46,701 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 0 proven. 422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:51:46,701 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 10:51:46,701 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 37] total 71 [2021-04-15 10:51:46,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136400959] [2021-04-15 10:51:46,702 INFO L460 AbstractCegarLoop]: Interpolant automaton has 71 states [2021-04-15 10:51:46,702 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 10:51:46,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2021-04-15 10:51:46,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=427, Invalid=4543, Unknown=0, NotChecked=0, Total=4970 [2021-04-15 10:51:46,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:51:46,704 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 10:51:46,704 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 71 states, 71 states have (on average 2.0704225352112675) internal successors, (147), 71 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 10:51:46,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 10:51:46,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:51:46,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:51:46,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:51:46,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:51:46,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:51:46,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-04-15 10:51:46,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:51:46,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-04-15 10:51:46,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-04-15 10:51:46,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-04-15 10:51:46,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-04-15 10:51:46,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-04-15 10:51:46,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-04-15 10:51:46,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-04-15 10:51:46,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-04-15 10:51:46,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-04-15 10:51:46,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-04-15 10:51:46,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-04-15 10:51:46,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:51:47,600 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 25 [2021-04-15 10:51:48,234 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-04-15 10:51:49,409 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2021-04-15 10:51:49,981 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 29 [2021-04-15 10:51:50,827 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 34 [2021-04-15 10:51:51,368 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 33 [2021-04-15 10:51:52,101 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2021-04-15 10:51:52,696 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 36 [2021-04-15 10:51:53,415 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 36 [2021-04-15 10:51:53,974 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 35 [2021-04-15 10:51:54,800 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 38 [2021-04-15 10:51:55,384 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 37 [2021-04-15 10:51:56,095 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 40 [2021-04-15 10:51:56,695 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 39 [2021-04-15 10:51:57,415 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 42 [2021-04-15 10:51:58,004 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 41 [2021-04-15 10:51:58,733 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 44 [2021-04-15 10:51:59,303 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 43 [2021-04-15 10:52:00,126 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 46 [2021-04-15 10:52:00,754 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 45 [2021-04-15 10:52:01,571 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 49 [2021-04-15 10:52:02,214 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 48 [2021-04-15 10:52:03,070 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 50 [2021-04-15 10:52:03,698 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 49 [2021-04-15 10:52:04,426 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 53 [2021-04-15 10:52:05,046 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 52 [2021-04-15 10:52:06,308 WARN L205 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 108 [2021-04-15 10:52:07,731 WARN L205 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 104 [2021-04-15 10:52:09,401 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 184 DAG size of output: 125 [2021-04-15 10:52:10,929 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 193 DAG size of output: 160 [2021-04-15 10:52:12,101 WARN L205 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 126 [2021-04-15 10:52:13,330 WARN L205 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 130 [2021-04-15 10:52:14,665 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 160 DAG size of output: 137 [2021-04-15 10:52:15,607 WARN L205 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 128 [2021-04-15 10:52:17,335 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 155 DAG size of output: 142 [2021-04-15 10:52:17,833 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-15 10:52:18,449 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 87 [2021-04-15 10:52:22,102 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-04-15 10:52:22,574 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2021-04-15 10:52:24,435 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-04-15 10:52:27,141 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2021-04-15 10:52:28,297 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2021-04-15 10:52:29,313 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-15 10:52:30,564 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2021-04-15 10:52:31,232 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-04-15 10:52:31,741 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-15 10:52:32,231 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-15 10:52:32,730 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-15 10:52:33,218 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-15 10:52:33,684 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-15 10:52:34,146 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-04-15 10:52:34,591 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-15 10:52:35,065 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-15 10:52:35,423 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-15 10:52:36,510 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-15 10:52:38,050 WARN L205 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 133 [2021-04-15 10:52:38,582 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-04-15 10:52:38,918 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-15 10:52:39,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 10:52:39,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:52:39,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:52:39,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:52:39,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:52:39,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:52:39,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-04-15 10:52:39,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:52:39,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-15 10:52:39,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-04-15 10:52:39,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-04-15 10:52:39,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-04-15 10:52:39,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-04-15 10:52:39,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-04-15 10:52:39,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-04-15 10:52:39,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-04-15 10:52:39,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-04-15 10:52:39,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-04-15 10:52:39,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-04-15 10:52:39,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-04-15 10:52:39,358 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable597 [2021-04-15 10:52:39,358 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 10:52:39,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 10:52:39,358 INFO L82 PathProgramCache]: Analyzing trace with hash -1387698248, now seen corresponding path program 17 times [2021-04-15 10:52:39,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 10:52:39,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307398255] [2021-04-15 10:52:39,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 10:52:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 10:52:40,160 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2021-04-15 10:52:40,417 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2021-04-15 10:52:40,674 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2021-04-15 10:52:40,918 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2021-04-15 10:52:41,205 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2021-04-15 10:52:41,496 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2021-04-15 10:52:41,790 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2021-04-15 10:52:42,075 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2021-04-15 10:52:42,373 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-04-15 10:52:42,697 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2021-04-15 10:52:43,032 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2021-04-15 10:52:43,383 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-04-15 10:52:43,761 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2021-04-15 10:52:44,253 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2021-04-15 10:52:44,783 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2021-04-15 10:52:45,049 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-15 10:52:45,316 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-15 10:52:45,701 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-04-15 10:52:46,852 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2021-04-15 10:52:47,302 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2021-04-15 10:52:47,989 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2021-04-15 10:52:48,317 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2021-04-15 10:52:48,687 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2021-04-15 10:52:49,034 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2021-04-15 10:52:49,404 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2021-04-15 10:52:49,788 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2021-04-15 10:52:51,025 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 81 proven. 401 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:52:51,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307398255] [2021-04-15 10:52:51,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1125839834] [2021-04-15 10:52:51,026 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 10:52:51,087 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2021-04-15 10:52:51,088 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 10:52:51,091 WARN L261 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 138 conjunts are in the unsatisfiable core [2021-04-15 10:52:51,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 10:53:07,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:53:07,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:53:07,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:53:07,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:53:07,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:53:07,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:53:07,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:53:07,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:53:07,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:53:07,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:53:07,246 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 10:53:07,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:53:07,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:53:07,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:53:07,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:53:07,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:53:07,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:53:07,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:53:07,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 120 disjoint index pairs (out of 136 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 41 [2021-04-15 10:53:07,302 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-15 10:53:07,340 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 10:53:07,347 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-15 10:53:07,348 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:114, output treesize:5 [2021-04-15 10:53:07,635 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 0 proven. 482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:53:07,636 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 10:53:07,636 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 39] total 75 [2021-04-15 10:53:07,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459553660] [2021-04-15 10:53:07,636 INFO L460 AbstractCegarLoop]: Interpolant automaton has 75 states [2021-04-15 10:53:07,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 10:53:07,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2021-04-15 10:53:07,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=480, Invalid=5070, Unknown=0, NotChecked=0, Total=5550 [2021-04-15 10:53:07,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:53:07,638 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 10:53:07,638 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 75 states, 75 states have (on average 2.066666666666667) internal successors, (155), 75 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 10:53:07,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 10:53:07,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:53:07,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:53:07,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:53:07,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:53:07,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:53:07,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-04-15 10:53:07,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:53:07,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-04-15 10:53:07,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-04-15 10:53:07,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-04-15 10:53:07,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-04-15 10:53:07,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-04-15 10:53:07,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-04-15 10:53:07,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-04-15 10:53:07,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-04-15 10:53:07,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-04-15 10:53:07,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-04-15 10:53:07,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-04-15 10:53:07,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-04-15 10:53:07,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:53:09,350 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-04-15 10:53:10,465 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2021-04-15 10:53:11,440 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 29 [2021-04-15 10:53:12,442 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-04-15 10:53:13,128 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 31 [2021-04-15 10:53:14,156 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2021-04-15 10:53:14,805 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2021-04-15 10:53:15,820 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-04-15 10:53:16,527 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 35 [2021-04-15 10:53:17,589 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2021-04-15 10:53:18,196 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 37 [2021-04-15 10:53:19,174 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 66 [2021-04-15 10:53:19,807 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 39 [2021-04-15 10:53:20,845 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-04-15 10:53:21,457 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 41 [2021-04-15 10:53:22,518 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2021-04-15 10:53:23,162 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 43 [2021-04-15 10:53:24,233 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2021-04-15 10:53:24,899 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 45 [2021-04-15 10:53:25,972 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2021-04-15 10:53:26,668 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 48 [2021-04-15 10:53:27,727 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 89 [2021-04-15 10:53:28,435 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 51 [2021-04-15 10:53:29,453 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 93 [2021-04-15 10:53:30,135 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 51 [2021-04-15 10:53:31,388 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 101 [2021-04-15 10:53:32,258 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 57 [2021-04-15 10:53:33,836 WARN L205 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 155 [2021-04-15 10:53:35,889 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 180 DAG size of output: 165 [2021-04-15 10:53:37,246 WARN L205 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 119 [2021-04-15 10:53:38,450 WARN L205 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-04-15 10:53:39,632 WARN L205 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 131 [2021-04-15 10:53:41,443 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 155 DAG size of output: 136 [2021-04-15 10:53:42,036 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-15 10:53:42,749 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2021-04-15 10:53:43,066 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-15 10:53:43,775 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2021-04-15 10:53:44,103 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-15 10:53:44,802 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2021-04-15 10:53:45,129 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-15 10:53:45,883 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2021-04-15 10:53:46,229 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-15 10:53:46,976 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2021-04-15 10:53:47,338 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-15 10:53:48,054 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-04-15 10:53:49,080 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 65 [2021-04-15 10:53:50,112 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2021-04-15 10:53:51,217 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2021-04-15 10:53:51,603 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-04-15 10:53:52,370 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2021-04-15 10:53:52,776 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-15 10:53:53,544 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2021-04-15 10:53:53,998 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-04-15 10:53:54,843 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2021-04-15 10:53:55,300 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-04-15 10:53:56,108 WARN L205 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-04-15 10:53:56,858 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-04-15 10:53:57,489 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2021-04-15 10:54:00,182 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-04-15 10:54:01,341 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-04-15 10:54:03,702 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2021-04-15 10:54:05,230 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2021-04-15 10:54:06,617 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-15 10:54:08,470 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-04-15 10:54:09,169 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-04-15 10:54:09,986 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-04-15 10:54:11,748 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2021-04-15 10:54:12,669 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2021-04-15 10:54:13,448 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-15 10:54:15,244 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2021-04-15 10:54:15,928 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-15 10:54:16,753 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-15 10:54:18,569 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-04-15 10:54:19,258 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-04-15 10:54:19,991 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-15 10:54:21,601 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2021-04-15 10:54:22,312 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-15 10:54:23,062 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-15 10:54:24,715 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2021-04-15 10:54:25,419 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-04-15 10:54:26,145 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-15 10:54:27,734 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2021-04-15 10:54:28,335 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-15 10:54:28,974 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-15 10:54:30,288 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2021-04-15 10:54:30,843 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-15 10:54:31,421 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-15 10:54:32,741 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2021-04-15 10:54:33,324 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-15 10:54:33,927 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-15 10:54:35,295 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2021-04-15 10:54:35,910 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-15 10:54:36,510 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-15 10:54:37,900 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2021-04-15 10:54:38,431 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-15 10:54:38,980 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-15 10:54:40,217 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 76 [2021-04-15 10:54:40,753 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-04-15 10:54:41,365 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-15 10:54:42,456 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2021-04-15 10:54:43,011 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-15 10:54:44,106 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-04-15 10:54:44,943 WARN L205 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2021-04-15 10:54:45,855 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-04-15 10:54:46,787 WARN L205 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2021-04-15 10:54:48,135 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-04-15 10:54:49,079 WARN L205 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 126 [2021-04-15 10:54:49,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 10:54:49,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:54:49,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:54:49,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:54:49,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:54:49,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:54:49,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-04-15 10:54:49,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:54:49,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-15 10:54:49,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-04-15 10:54:49,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-04-15 10:54:49,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-04-15 10:54:49,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-04-15 10:54:49,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-04-15 10:54:49,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-04-15 10:54:49,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-04-15 10:54:49,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-04-15 10:54:49,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-04-15 10:54:49,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-04-15 10:54:49,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-04-15 10:54:49,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-04-15 10:54:49,535 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable598 [2021-04-15 10:54:49,535 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 10:54:49,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 10:54:49,536 INFO L82 PathProgramCache]: Analyzing trace with hash -491141896, now seen corresponding path program 18 times [2021-04-15 10:54:49,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 10:54:49,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608601171] [2021-04-15 10:54:49,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 10:54:49,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 10:54:50,409 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2021-04-15 10:54:50,714 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2021-04-15 10:54:50,974 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2021-04-15 10:54:51,286 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2021-04-15 10:54:51,607 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2021-04-15 10:54:51,929 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2021-04-15 10:54:52,268 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2021-04-15 10:54:52,626 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2021-04-15 10:54:52,953 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-04-15 10:54:53,325 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2021-04-15 10:54:53,696 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2021-04-15 10:54:54,019 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-04-15 10:54:54,389 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2021-04-15 10:54:54,789 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-04-15 10:54:55,343 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2021-04-15 10:54:55,847 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2021-04-15 10:54:56,080 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-15 10:54:56,349 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-15 10:54:57,100 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-04-15 10:54:57,388 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-15 10:54:58,434 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2021-04-15 10:54:58,870 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2021-04-15 10:54:59,643 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2021-04-15 10:55:00,061 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2021-04-15 10:55:00,498 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2021-04-15 10:55:00,929 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2021-04-15 10:55:01,378 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2021-04-15 10:55:01,878 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2021-04-15 10:55:03,510 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 81 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:55:03,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608601171] [2021-04-15 10:55:03,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301740159] [2021-04-15 10:55:03,510 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 10:55:03,572 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2021-04-15 10:55:03,573 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 10:55:03,576 WARN L261 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 151 conjunts are in the unsatisfiable core [2021-04-15 10:55:03,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 10:55:05,564 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-04-15 10:55:15,964 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-15 10:55:23,741 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-15 10:55:24,528 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-15 10:55:25,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:25,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:26,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:26,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:26,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:26,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:26,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:26,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:55:26,041 INFO L244 Elim1Store]: Index analysis took 577 ms [2021-04-15 10:55:26,431 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-15 10:55:26,433 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 10:55:26,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 21 select indices, 21 select index equivalence classes, 200 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 10 case distinctions, treesize of input 117 treesize of output 141 [2021-04-15 10:55:26,600 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-04-15 10:55:26,859 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 24 [2021-04-15 10:55:26,862 INFO L628 ElimStorePlain]: treesize reduction 4, result has 89.7 percent of original size [2021-04-15 10:55:26,877 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-15 10:55:26,877 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:141, output treesize:22 [2021-04-15 10:55:27,492 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 14 [2021-04-15 10:55:27,862 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 0 proven. 546 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:55:27,862 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 10:55:27,863 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 44] total 82 [2021-04-15 10:55:27,863 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640094983] [2021-04-15 10:55:27,863 INFO L460 AbstractCegarLoop]: Interpolant automaton has 82 states [2021-04-15 10:55:27,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 10:55:27,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2021-04-15 10:55:27,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=534, Invalid=6108, Unknown=0, NotChecked=0, Total=6642 [2021-04-15 10:55:27,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:55:27,865 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 10:55:27,865 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 82 states, 82 states have (on average 1.9878048780487805) internal successors, (163), 82 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 10:55:27,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 10:55:27,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:55:27,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:55:27,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:55:27,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:55:27,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:55:27,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-04-15 10:55:27,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:55:27,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-04-15 10:55:27,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-04-15 10:55:27,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-04-15 10:55:27,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-04-15 10:55:27,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-04-15 10:55:27,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-04-15 10:55:27,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-04-15 10:55:27,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-04-15 10:55:27,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-04-15 10:55:27,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-04-15 10:55:27,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-04-15 10:55:27,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-04-15 10:55:27,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-04-15 10:55:27,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:55:29,949 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-04-15 10:55:31,377 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2021-04-15 10:55:32,637 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 34 [2021-04-15 10:55:33,923 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2021-04-15 10:55:34,811 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 37 [2021-04-15 10:55:36,089 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-04-15 10:55:36,901 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 33 [2021-04-15 10:55:38,091 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-04-15 10:55:38,942 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 35 [2021-04-15 10:55:40,128 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2021-04-15 10:55:40,888 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 38 [2021-04-15 10:55:42,156 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 66 [2021-04-15 10:55:42,940 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 39 [2021-04-15 10:55:44,183 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-04-15 10:55:45,030 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 42 [2021-04-15 10:55:46,310 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2021-04-15 10:55:47,153 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 43 [2021-04-15 10:55:48,405 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2021-04-15 10:55:49,157 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 45 [2021-04-15 10:55:50,399 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2021-04-15 10:55:51,193 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 48 [2021-04-15 10:55:53,058 WARN L205 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 90 [2021-04-15 10:55:54,153 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 49 [2021-04-15 10:55:55,781 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 93 [2021-04-15 10:55:56,996 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 99 [2021-04-15 10:55:58,758 WARN L205 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 99 [2021-04-15 10:56:00,067 WARN L205 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 104 [2021-04-15 10:56:01,527 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 106 [2021-04-15 10:56:02,467 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 58 [2021-04-15 10:56:04,497 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 183 DAG size of output: 162 [2021-04-15 10:56:07,091 WARN L205 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 194 DAG size of output: 172 [2021-04-15 10:56:08,482 WARN L205 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 126 [2021-04-15 10:56:09,855 WARN L205 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 126 [2021-04-15 10:56:11,252 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 156 DAG size of output: 136 [2021-04-15 10:56:13,208 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 161 DAG size of output: 141 [2021-04-15 10:56:13,923 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-15 10:56:14,744 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2021-04-15 10:56:14,973 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-15 10:56:15,748 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2021-04-15 10:56:15,990 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-15 10:56:16,778 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2021-04-15 10:56:17,035 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-15 10:56:17,834 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2021-04-15 10:56:18,100 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-15 10:56:18,901 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2021-04-15 10:56:19,183 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-15 10:56:20,012 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2021-04-15 10:56:21,111 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-04-15 10:56:21,407 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-15 10:56:22,291 WARN L205 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 65 [2021-04-15 10:56:22,629 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-04-15 10:56:23,456 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2021-04-15 10:56:23,793 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-15 10:56:24,599 WARN L205 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2021-04-15 10:56:24,955 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-04-15 10:56:25,820 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2021-04-15 10:56:26,203 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-15 10:56:27,088 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2021-04-15 10:56:27,472 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-04-15 10:56:28,394 WARN L205 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2021-04-15 10:56:28,764 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-04-15 10:56:29,603 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-04-15 10:56:30,228 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-04-15 10:56:30,770 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2021-04-15 10:56:33,632 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-04-15 10:56:34,832 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-04-15 10:56:37,340 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2021-04-15 10:56:38,745 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2021-04-15 10:56:39,975 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-15 10:56:41,655 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-04-15 10:56:42,376 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-04-15 10:56:43,222 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-04-15 10:56:44,950 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2021-04-15 10:56:45,918 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2021-04-15 10:56:46,743 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-15 10:56:48,399 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2021-04-15 10:56:49,077 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-15 10:56:49,839 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-15 10:56:51,542 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-04-15 10:56:52,303 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-04-15 10:56:53,095 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-15 10:56:54,768 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2021-04-15 10:56:55,514 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-15 10:56:56,302 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-15 10:56:58,004 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2021-04-15 10:56:58,717 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-04-15 10:56:59,427 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-15 10:57:00,939 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2021-04-15 10:57:01,612 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-15 10:57:02,317 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-15 10:57:03,882 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2021-04-15 10:57:04,620 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-15 10:57:05,408 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-15 10:57:07,093 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2021-04-15 10:57:07,784 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-15 10:57:08,497 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-15 10:57:09,969 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2021-04-15 10:57:10,661 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-15 10:57:11,373 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-15 10:57:12,845 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2021-04-15 10:57:13,577 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-15 10:57:14,257 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-15 10:57:15,781 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 76 [2021-04-15 10:57:16,488 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-04-15 10:57:17,140 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-15 10:57:18,575 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2021-04-15 10:57:19,254 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-15 10:57:20,060 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-04-15 10:57:21,461 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2021-04-15 10:57:22,244 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-15 10:57:23,386 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2021-04-15 10:57:24,440 WARN L205 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 118 [2021-04-15 10:57:25,306 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2021-04-15 10:57:26,289 WARN L205 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2021-04-15 10:57:27,899 WARN L205 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-04-15 10:57:29,246 WARN L205 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 131 [2021-04-15 10:57:29,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 10:57:29,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:57:29,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:57:29,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:57:29,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:57:29,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:57:29,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-04-15 10:57:29,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:57:29,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-15 10:57:29,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-04-15 10:57:29,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-04-15 10:57:29,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-04-15 10:57:29,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-04-15 10:57:29,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-04-15 10:57:29,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-04-15 10:57:29,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-04-15 10:57:29,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-04-15 10:57:29,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-04-15 10:57:29,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-04-15 10:57:29,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-04-15 10:57:29,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-04-15 10:57:29,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-04-15 10:57:29,717 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable599 [2021-04-15 10:57:29,718 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 10:57:29,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 10:57:29,718 INFO L82 PathProgramCache]: Analyzing trace with hash -1429073096, now seen corresponding path program 19 times [2021-04-15 10:57:29,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 10:57:29,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717345895] [2021-04-15 10:57:29,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 10:57:29,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 10:57:30,088 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 17 [2021-04-15 10:57:30,228 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2021-04-15 10:57:30,647 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2021-04-15 10:57:30,955 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2021-04-15 10:57:31,268 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2021-04-15 10:57:31,599 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2021-04-15 10:57:31,946 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2021-04-15 10:57:32,298 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2021-04-15 10:57:32,667 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2021-04-15 10:57:33,049 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2021-04-15 10:57:33,414 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-04-15 10:57:33,778 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2021-04-15 10:57:34,185 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2021-04-15 10:57:34,558 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-04-15 10:57:34,952 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2021-04-15 10:57:35,372 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-04-15 10:57:35,807 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2021-04-15 10:57:36,438 WARN L205 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2021-04-15 10:57:37,136 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2021-04-15 10:57:37,453 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-15 10:57:37,759 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-15 10:57:38,326 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-15 10:57:38,820 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-04-15 10:57:39,132 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-15 10:57:39,450 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-15 10:57:40,298 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2021-04-15 10:57:40,809 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2021-04-15 10:57:41,698 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2021-04-15 10:57:42,560 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2021-04-15 10:57:43,049 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2021-04-15 10:57:43,558 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2021-04-15 10:57:44,097 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2021-04-15 10:57:45,854 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 126 proven. 488 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:57:45,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717345895] [2021-04-15 10:57:45,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662475809] [2021-04-15 10:57:45,855 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 10:57:45,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 10:57:45,906 WARN L261 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 154 conjunts are in the unsatisfiable core [2021-04-15 10:57:45,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 10:57:51,818 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-15 10:57:53,603 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-04-15 10:57:54,260 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-15 10:57:54,810 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-15 10:58:08,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:58:08,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:58:08,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:58:08,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:58:08,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:58:08,413 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 10:58:08,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:58:08,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:58:08,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:58:08,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:58:08,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:58:08,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:58:08,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:58:08,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:58:08,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:58:08,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:58:08,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:58:08,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:58:08,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 10:58:08,513 INFO L244 Elim1Store]: Index analysis took 131 ms [2021-04-15 10:58:08,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 153 disjoint index pairs (out of 171 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 45 [2021-04-15 10:58:08,526 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-15 10:58:08,569 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 10:58:08,577 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-15 10:58:08,578 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:126, output treesize:5 [2021-04-15 10:58:08,976 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 0 proven. 614 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 10:58:08,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 10:58:08,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 43] total 83 [2021-04-15 10:58:08,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748727035] [2021-04-15 10:58:08,976 INFO L460 AbstractCegarLoop]: Interpolant automaton has 83 states [2021-04-15 10:58:08,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 10:58:08,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2021-04-15 10:58:08,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=588, Invalid=6218, Unknown=0, NotChecked=0, Total=6806 [2021-04-15 10:58:08,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:58:08,978 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 10:58:08,978 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 83 states, 83 states have (on average 2.0602409638554215) internal successors, (171), 83 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 10:58:08,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 10:58:08,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 10:58:08,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-04-15 10:58:08,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-04-15 10:58:08,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 10:58:08,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:58:08,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-04-15 10:58:08,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 10:58:08,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-04-15 10:58:08,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-04-15 10:58:08,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-04-15 10:58:08,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-04-15 10:58:08,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-04-15 10:58:08,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-04-15 10:58:08,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-04-15 10:58:08,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-04-15 10:58:08,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-04-15 10:58:08,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-04-15 10:58:08,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-04-15 10:58:08,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-04-15 10:58:08,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-04-15 10:58:08,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2021-04-15 10:58:08,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 10:58:11,458 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-04-15 10:58:13,062 WARN L205 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2021-04-15 10:58:14,394 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 30 [2021-04-15 10:58:15,598 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-04-15 10:58:16,474 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 31 [2021-04-15 10:58:17,720 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-04-15 10:58:18,527 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 33 [2021-04-15 10:58:19,734 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2021-04-15 10:58:20,681 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 36 [2021-04-15 10:58:22,045 WARN L205 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 63 [2021-04-15 10:58:22,870 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 39 [2021-04-15 10:58:24,139 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-04-15 10:58:25,037 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 42 [2021-04-15 10:58:26,357 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2021-04-15 10:58:27,219 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 45 [2021-04-15 10:58:28,571 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2021-04-15 10:58:29,430 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 43 [2021-04-15 10:58:30,838 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2021-04-15 10:58:31,678 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 45 [2021-04-15 10:58:33,076 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2021-04-15 10:58:33,956 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 47 [2021-04-15 10:58:35,493 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2021-04-15 10:58:36,403 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 49 [2021-04-15 10:58:37,865 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 93 [2021-04-15 10:58:38,759 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 51 [2021-04-15 10:58:40,092 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2021-04-15 10:58:40,915 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 54 [2021-04-15 10:58:42,347 WARN L205 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2021-04-15 10:58:43,156 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 55 [2021-04-15 10:58:44,727 WARN L205 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 111 [2021-04-15 10:58:45,750 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 61 [2021-04-15 10:58:47,776 WARN L205 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 169 [2021-04-15 10:58:50,356 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 194 DAG size of output: 179 [2021-04-15 10:58:52,167 WARN L205 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 129 [2021-04-15 10:58:53,790 WARN L205 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-04-15 10:58:55,405 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 160 DAG size of output: 141 [2021-04-15 10:58:57,676 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 165 DAG size of output: 146 [2021-04-15 10:58:58,382 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-15 10:58:59,201 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 89 [2021-04-15 10:58:59,542 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-15 10:59:00,318 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2021-04-15 10:59:00,684 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-15 10:59:01,476 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2021-04-15 10:59:01,846 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-15 10:59:02,679 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2021-04-15 10:59:03,075 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-15 10:59:03,916 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2021-04-15 10:59:04,321 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-15 10:59:05,184 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2021-04-15 10:59:05,616 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-15 10:59:06,489 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2021-04-15 10:59:06,925 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-15 10:59:07,765 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-04-15 10:59:08,204 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-15 10:59:09,052 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 65 [2021-04-15 10:59:09,528 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-04-15 10:59:10,418 WARN L205 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2021-04-15 10:59:10,935 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-15 10:59:11,916 WARN L205 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2021-04-15 10:59:12,471 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-04-15 10:59:13,522 WARN L205 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2021-04-15 10:59:14,095 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-15 10:59:15,193 WARN L205 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2021-04-15 10:59:15,805 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-04-15 10:59:16,894 WARN L205 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2021-04-15 10:59:17,494 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-04-15 10:59:18,554 WARN L205 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-04-15 10:59:19,452 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-04-15 10:59:20,227 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2021-04-15 10:59:20,782 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2021-04-15 10:59:21,264 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2021-04-15 10:59:23,914 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-04-15 10:59:25,545 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-04-15 10:59:28,855 WARN L205 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2021-04-15 10:59:30,843 WARN L205 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2021-04-15 10:59:32,701 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-15 10:59:35,150 WARN L205 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-04-15 10:59:36,118 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-04-15 10:59:37,251 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-04-15 10:59:39,646 WARN L205 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2021-04-15 10:59:40,915 WARN L205 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2021-04-15 10:59:41,958 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-15 10:59:44,253 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2021-04-15 10:59:45,141 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-15 10:59:46,088 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-15 10:59:48,156 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-04-15 10:59:49,009 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-04-15 10:59:49,906 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-15 10:59:51,954 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2021-04-15 10:59:52,877 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-15 10:59:53,889 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-15 10:59:56,068 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2021-04-15 10:59:56,915 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-04-15 10:59:57,938 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-15 11:00:00,180 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2021-04-15 11:00:00,979 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-15 11:00:01,789 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-15 11:00:03,509 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2021-04-15 11:00:04,259 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-15 11:00:05,052 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-15 11:00:06,712 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2021-04-15 11:00:07,408 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-15 11:00:08,138 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-15 11:00:09,744 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2021-04-15 11:00:10,434 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-15 11:00:11,130 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-15 11:00:12,736 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2021-04-15 11:00:13,449 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-15 11:00:14,154 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-15 11:00:15,933 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 76 [2021-04-15 11:00:16,761 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-04-15 11:00:17,559 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-15 11:00:19,310 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2021-04-15 11:00:20,060 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-15 11:00:20,784 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-15 11:00:22,498 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2021-04-15 11:00:23,262 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-15 11:00:24,154 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-15 11:00:25,530 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2021-04-15 11:00:26,185 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-15 11:00:27,399 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2021-04-15 11:00:28,336 WARN L205 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 123 [2021-04-15 11:00:29,295 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-04-15 11:00:30,209 WARN L205 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2021-04-15 11:00:31,850 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-15 11:00:33,047 WARN L205 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 136 [2021-04-15 11:00:33,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 11:00:33,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 11:00:33,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-15 11:00:33,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 11:00:33,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 11:00:33,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 11:00:33,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-04-15 11:00:33,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 11:00:33,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-15 11:00:33,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-04-15 11:00:33,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-04-15 11:00:33,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-04-15 11:00:33,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-04-15 11:00:33,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-04-15 11:00:33,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-04-15 11:00:33,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-04-15 11:00:33,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-04-15 11:00:33,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-04-15 11:00:33,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-04-15 11:00:33,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-04-15 11:00:33,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-04-15 11:00:33,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-04-15 11:00:33,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2021-04-15 11:00:33,574 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable620,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 11:00:33,574 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 11:00:33,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 11:00:33,575 INFO L82 PathProgramCache]: Analyzing trace with hash -632188296, now seen corresponding path program 20 times [2021-04-15 11:00:33,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 11:00:33,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330147504] [2021-04-15 11:00:33,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 11:00:33,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 11:00:34,002 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 17 [2021-04-15 11:00:34,154 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2021-04-15 11:00:34,596 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2021-04-15 11:00:34,918 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2021-04-15 11:00:35,228 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2021-04-15 11:00:35,573 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2021-04-15 11:00:35,925 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2021-04-15 11:00:36,334 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2021-04-15 11:00:36,704 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2021-04-15 11:00:37,101 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2021-04-15 11:00:37,495 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-04-15 11:00:37,904 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2021-04-15 11:00:38,288 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2021-04-15 11:00:38,642 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-04-15 11:00:39,016 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2021-04-15 11:00:39,427 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-04-15 11:00:39,872 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2021-04-15 11:00:40,349 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2021-04-15 11:00:41,037 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2021-04-15 11:00:41,822 WARN L205 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2021-04-15 11:00:42,163 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-15 11:00:42,551 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-15 11:00:42,876 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-15 11:00:43,204 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-15 11:00:43,563 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-15 11:00:44,148 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-04-15 11:00:44,525 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-15 11:00:44,929 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-15 11:00:45,334 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-15 11:00:45,992 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2021-04-15 11:00:46,623 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2021-04-15 11:00:47,048 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-04-15 11:00:47,679 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2021-04-15 11:00:48,209 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2021-04-15 11:00:48,762 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2021-04-15 11:00:49,309 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2021-04-15 11:00:49,862 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2021-04-15 11:00:50,364 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2021-04-15 11:00:52,134 INFO L134 CoverageAnalysis]: Checked inductivity of 686 backedges. 126 proven. 560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 11:00:52,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330147504] [2021-04-15 11:00:52,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710446763] [2021-04-15 11:00:52,134 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 11:00:52,177 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-15 11:00:52,177 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 11:00:52,179 WARN L261 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 162 conjunts are in the unsatisfiable core [2021-04-15 11:00:52,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 11:01:07,649 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-15 11:01:12,537 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-15 11:01:15,297 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-15 11:01:18,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 11:01:18,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 11:01:18,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 11:01:18,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 11:01:18,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 11:01:18,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 11:01:18,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 11:01:18,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 11:01:18,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 11:01:18,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 11:01:18,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 11:01:18,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 11:01:18,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 11:01:18,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 11:01:18,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 11:01:18,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 11:01:18,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 11:01:18,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-15 11:01:18,497 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-15 11:01:18,497 INFO L244 Elim1Store]: Index analysis took 115 ms [2021-04-15 11:01:18,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 171 disjoint index pairs (out of 190 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 47 [2021-04-15 11:01:18,516 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-15 11:01:18,566 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 11:01:18,575 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-15 11:01:18,575 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:132, output treesize:5 [2021-04-15 11:01:19,043 INFO L134 CoverageAnalysis]: Checked inductivity of 686 backedges. 0 proven. 686 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 11:01:19,043 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 11:01:19,043 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 45] total 87 [2021-04-15 11:01:19,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626013451] [2021-04-15 11:01:19,044 INFO L460 AbstractCegarLoop]: Interpolant automaton has 87 states [2021-04-15 11:01:19,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 11:01:19,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-04-15 11:01:19,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=635, Invalid=6847, Unknown=0, NotChecked=0, Total=7482 [2021-04-15 11:01:19,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 11:01:19,045 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 11:01:19,046 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 87 states, 87 states have (on average 2.057471264367816) internal successors, (179), 87 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 11:01:19,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 11:01:19,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 11:01:19,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-04-15 11:01:19,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-04-15 11:01:19,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 11:01:19,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 11:01:19,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-04-15 11:01:19,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 11:01:19,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-04-15 11:01:19,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-04-15 11:01:19,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-04-15 11:01:19,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-04-15 11:01:19,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-04-15 11:01:19,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-04-15 11:01:19,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-04-15 11:01:19,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-04-15 11:01:19,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-04-15 11:01:19,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-04-15 11:01:19,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-04-15 11:01:19,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-04-15 11:01:19,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-04-15 11:01:19,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2021-04-15 11:01:19,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2021-04-15 11:01:19,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 11:01:21,669 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2021-04-15 11:01:23,473 WARN L205 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2021-04-15 11:01:24,995 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 32 [2021-04-15 11:01:26,518 WARN L205 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-04-15 11:01:27,604 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 31 [2021-04-15 11:01:29,002 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-04-15 11:01:29,863 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 33 [2021-04-15 11:01:31,311 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-04-15 11:01:32,417 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 35 [2021-04-15 11:01:33,838 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2021-04-15 11:01:34,654 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 38 [2021-04-15 11:01:35,971 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-04-15 11:01:36,822 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 41 [2021-04-15 11:01:38,061 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2021-04-15 11:01:38,890 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 44 [2021-04-15 11:01:40,153 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2021-04-15 11:01:40,949 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 43 [2021-04-15 11:01:42,257 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2021-04-15 11:01:43,131 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 46 [2021-04-15 11:01:44,416 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2021-04-15 11:01:45,258 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 49 [2021-04-15 11:01:46,620 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 89 [2021-04-15 11:01:47,507 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 52 [2021-04-15 11:01:48,821 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 93 [2021-04-15 11:01:49,749 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 51 [2021-04-15 11:01:51,277 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2021-04-15 11:01:52,485 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 53 [2021-04-15 11:01:54,099 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2021-04-15 11:01:55,060 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 55 [2021-04-15 11:01:56,694 WARN L205 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 110 [2021-04-15 11:01:57,731 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 57 [2021-04-15 11:01:59,506 WARN L205 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 116 [2021-04-15 11:02:00,914 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 63 [2021-04-15 11:02:02,956 WARN L205 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 176 [2021-04-15 11:02:05,214 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 201 DAG size of output: 186 [2021-04-15 11:02:06,625 WARN L205 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 134 [2021-04-15 11:02:08,128 WARN L205 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 136 [2021-04-15 11:02:09,591 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 165 DAG size of output: 146 [2021-04-15 11:02:11,821 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 170 DAG size of output: 151 [2021-04-15 11:02:12,517 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-15 11:02:13,361 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 92 [2021-04-15 11:02:13,729 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-15 11:02:14,551 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 89 [2021-04-15 11:02:14,929 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-15 11:02:15,746 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2021-04-15 11:02:16,155 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-15 11:02:17,014 WARN L205 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2021-04-15 11:02:17,415 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-15 11:02:18,221 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2021-04-15 11:02:18,641 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-15 11:02:19,502 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2021-04-15 11:02:19,918 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-15 11:02:20,856 WARN L205 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2021-04-15 11:02:21,386 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-15 11:02:22,454 WARN L205 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2021-04-15 11:02:22,996 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-15 11:02:23,998 WARN L205 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-04-15 11:02:24,534 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-15 11:02:25,590 WARN L205 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 65 [2021-04-15 11:02:26,196 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-04-15 11:02:27,248 WARN L205 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2021-04-15 11:02:27,811 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-15 11:02:28,845 WARN L205 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2021-04-15 11:02:29,419 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-04-15 11:02:30,483 WARN L205 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2021-04-15 11:02:31,075 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-15 11:02:32,201 WARN L205 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2021-04-15 11:02:32,858 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-04-15 11:02:33,973 WARN L205 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2021-04-15 11:02:34,603 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-04-15 11:02:35,747 WARN L205 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-04-15 11:02:36,722 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-04-15 11:02:37,597 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2021-04-15 11:02:38,199 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2021-04-15 11:02:38,711 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2021-04-15 11:02:41,316 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-04-15 11:02:42,904 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-04-15 11:02:46,255 WARN L205 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2021-04-15 11:02:48,261 WARN L205 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2021-04-15 11:02:50,065 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-15 11:02:52,536 WARN L205 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-04-15 11:02:53,475 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-04-15 11:02:54,589 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-04-15 11:02:56,950 WARN L205 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2021-04-15 11:02:58,270 WARN L205 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2021-04-15 11:02:59,393 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-15 11:03:01,781 WARN L205 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2021-04-15 11:03:02,775 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-15 11:03:03,912 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-15 11:03:06,361 WARN L205 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-04-15 11:03:07,414 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-04-15 11:03:08,498 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-15 11:03:10,646 WARN L205 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2021-04-15 11:03:11,670 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-15 11:03:12,795 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-15 11:03:15,089 WARN L205 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2021-04-15 11:03:16,095 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-04-15 11:03:17,063 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-15 11:03:18,995 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2021-04-15 11:03:19,824 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-15 11:03:20,719 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-15 11:03:22,621 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2021-04-15 11:03:23,529 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-15 11:03:24,445 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-15 11:03:26,353 WARN L205 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2021-04-15 11:03:27,193 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 56 Received shutdown request... [2021-04-15 11:03:27,687 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable621 [2021-04-15 11:03:27,687 WARN L545 AbstractCegarLoop]: Verification canceled [2021-04-15 11:03:27,697 WARN L224 ceAbstractionStarter]: Timeout [2021-04-15 11:03:27,697 INFO L202 PluginConnector]: Adding new model sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.04 11:03:27 BasicIcfg [2021-04-15 11:03:27,697 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-15 11:03:27,697 INFO L168 Benchmark]: Toolchain (without parser) took 858829.45 ms. Allocated memory was 367.0 MB in the beginning and 635.4 MB in the end (delta: 268.4 MB). Free memory was 347.1 MB in the beginning and 314.7 MB in the end (delta: 32.4 MB). Peak memory consumption was 302.3 MB. Max. memory is 16.0 GB. [2021-04-15 11:03:27,697 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 367.0 MB. Free memory was 348.2 MB in the beginning and 348.1 MB in the end (delta: 144.5 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-15 11:03:27,697 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.41 ms. Allocated memory is still 367.0 MB. Free memory was 346.9 MB in the beginning and 345.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-15 11:03:27,697 INFO L168 Benchmark]: Boogie Preprocessor took 17.15 ms. Allocated memory is still 367.0 MB. Free memory was 345.6 MB in the beginning and 344.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-15 11:03:27,698 INFO L168 Benchmark]: RCFGBuilder took 240.12 ms. Allocated memory is still 367.0 MB. Free memory was 344.5 MB in the beginning and 331.8 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-04-15 11:03:27,698 INFO L168 Benchmark]: TraceAbstraction took 858543.55 ms. Allocated memory was 367.0 MB in the beginning and 635.4 MB in the end (delta: 268.4 MB). Free memory was 331.4 MB in the beginning and 314.7 MB in the end (delta: 16.7 MB). Peak memory consumption was 285.6 MB. Max. memory is 16.0 GB. [2021-04-15 11:03:27,698 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 367.0 MB. Free memory was 348.2 MB in the beginning and 348.1 MB in the end (delta: 144.5 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 23.41 ms. Allocated memory is still 367.0 MB. Free memory was 346.9 MB in the beginning and 345.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 17.15 ms. Allocated memory is still 367.0 MB. Free memory was 345.6 MB in the beginning and 344.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 240.12 ms. Allocated memory is still 367.0 MB. Free memory was 344.5 MB in the beginning and 331.8 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 858543.55 ms. Allocated memory was 367.0 MB in the beginning and 635.4 MB in the end (delta: 268.4 MB). Free memory was 331.4 MB in the beginning and 314.7 MB in the end (delta: 16.7 MB). Peak memory consumption was 285.6 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 33619, positive: 29408, positive conditional: 29408, positive unconditional: 0, negative: 4211, negative conditional: 4211, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 29408, positive: 29408, positive conditional: 29408, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 29408, positive: 29408, positive conditional: 0, positive unconditional: 29408, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 39, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 39, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 29408, positive: 29369, positive conditional: 0, positive unconditional: 29369, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 39, unknown conditional: 0, unknown unconditional: 39] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 4211 - TimeoutResultAtElement [Line: 66]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 66). Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 195 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 858436.7ms, OverallIterations: 24, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.8ms, PartialOrderReductionTime: 647869.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1277, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 161.1ms SsaConstructionTime, 802.2ms SatisfiabilityAnalysisTime, 204370.1ms InterpolantComputationTime, 2462 NumberOfCodeBlocks, 2462 NumberOfCodeBlocksAsserted, 144 NumberOfCheckSat, 2416 ConstructedInterpolants, 306 QuantifiedInterpolants, 142510 SizeOfPredicates, 114 NumberOfNonLiveVariables, 3096 ConjunctsInSsa, 1401 ConjunctsInUnsatCore, 46 InterpolantComputations, 2 PerfectInterpolantSequences, 1666/9557 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown