/usr/bin/java -Xmx8000000000 -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-NewStatesSleepPersistentFixedOrder-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-subst.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 15:26:02,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 15:26:02,541 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 15:26:02,564 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 15:26:02,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 15:26:02,571 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 15:26:02,571 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 15:26:02,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 15:26:02,573 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 15:26:02,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 15:26:02,574 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 15:26:02,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 15:26:02,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 15:26:02,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 15:26:02,578 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 15:26:02,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 15:26:02,580 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-10 15:26:02,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-10 15:26:02,580 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-10 15:26:02,581 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-10 15:26:02,581 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-10 15:26:02,582 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-10 15:26:02,582 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-10 15:26:02,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-10 15:26:02,583 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-10 15:26:02,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-10 15:26:02,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-10 15:26:02,585 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-10 15:26:02,585 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-10 15:26:02,586 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-10 15:26:02,586 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 15:26:02,587 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 15:26:02,587 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 15:26:02,593 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-NewStatesSleepPersistentFixedOrder-NoLbe-Random7777.epf [2021-07-10 15:26:02,626 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 15:26:02,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 15:26:02,627 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 15:26:02,627 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 15:26:02,629 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 15:26:02,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 15:26:02,629 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 15:26:02,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 15:26:02,629 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 15:26:02,629 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 15:26:02,630 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 15:26:02,630 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 15:26:02,630 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 15:26:02,630 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 15:26:02,630 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 15:26:02,630 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 15:26:02,631 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 15:26:02,631 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 15:26:02,631 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 15:26:02,631 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 15:26:02,631 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 15:26:02,631 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 15:26:02,631 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 15:26:02,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 15:26:02,631 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 15:26:02,631 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 15:26:02,649 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 15:26:02,649 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 15:26:02,649 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-10 15:26:02,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 15:26:02,649 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 15:26:02,649 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 15:26:02,649 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 15:26:02,650 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-10 15:26:02,650 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-10 15:26:02,650 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 15:26:02,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 15:26:02,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 15:26:02,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 15:26:02,940 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 15:26:02,946 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 15:26:02,946 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-subst.wvr.bpl [2021-07-10 15:26:02,947 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-subst.wvr.bpl' [2021-07-10 15:26:02,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 15:26:02,967 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 15:26:02,969 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 15:26:02,969 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 15:26:02,969 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 15:26:02,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:26:02" (1/1) ... [2021-07-10 15:26:02,990 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:26:02" (1/1) ... [2021-07-10 15:26:02,996 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 15:26:02,998 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 15:26:02,998 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 15:26:02,998 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 15:26:03,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:26:02" (1/1) ... [2021-07-10 15:26:03,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:26:02" (1/1) ... [2021-07-10 15:26:03,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:26:02" (1/1) ... [2021-07-10 15:26:03,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:26:02" (1/1) ... [2021-07-10 15:26:03,009 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:26:02" (1/1) ... [2021-07-10 15:26:03,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:26:02" (1/1) ... [2021-07-10 15:26:03,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:26:02" (1/1) ... [2021-07-10 15:26:03,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 15:26:03,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 15:26:03,014 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 15:26:03,014 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 15:26:03,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:26:02" (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 [2021-07-10 15:26:03,063 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 15:26:03,063 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 15:26:03,063 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 15:26:03,064 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 15:26:03,064 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 15:26:03,064 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 15:26:03,064 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 15:26:03,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 15:26:03,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 15:26:03,064 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-10 15:26:03,064 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-10 15:26:03,064 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-10 15:26:03,065 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 15:26:03,416 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 15:26:03,416 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-07-10 15:26:03,417 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-10 15:26:03,417 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-10 15:26:03,417 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2021-07-10 15:26:03,419 INFO L202 PluginConnector]: Adding new model array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 03:26:03 BoogieIcfgContainer [2021-07-10 15:26:03,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 15:26:03,420 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 15:26:03,420 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 15:26:03,437 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 15:26:03,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:26:02" (1/2) ... [2021-07-10 15:26:03,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28a8371d and model type array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 03:26:03, skipping insertion in model container [2021-07-10 15:26:03,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 03:26:03" (2/2) ... [2021-07-10 15:26:03,440 INFO L111 eAbstractionObserver]: Analyzing ICFG array-int-subst.wvr.bpl [2021-07-10 15:26:03,444 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 15:26:03,444 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 15:26:03,444 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 15:26:03,444 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 15:26:03,493 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-10 15:26:03,510 INFO L255 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 [2021-07-10 15:26:03,569 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 15:26:03,569 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 15:26:03,569 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 15:26:03,570 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 15:26:03,570 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 15:26:03,570 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 15:26:03,570 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 15:26:03,570 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 15:26:03,645 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:26:03,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:26:03,651 INFO L82 PathProgramCache]: Analyzing trace with hash -238800184, now seen corresponding path program 1 times [2021-07-10 15:26:03,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:26:03,658 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263905446] [2021-07-10 15:26:03,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:26:03,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:26:03,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:26:03,858 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:26:03,859 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263905446] [2021-07-10 15:26:03,859 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263905446] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 15:26:03,859 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 15:26:03,859 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-10 15:26:03,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837578988] [2021-07-10 15:26:03,863 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-10 15:26:03,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:26:03,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-10 15:26:03,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-10 15:26:03,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:26:03,878 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:26:03,881 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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) [2021-07-10 15:26:03,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:26:03,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:26:03,939 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 15:26:03,939 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:26:03,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:26:03,942 INFO L82 PathProgramCache]: Analyzing trace with hash -1195353712, now seen corresponding path program 1 times [2021-07-10 15:26:03,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:26:03,943 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156978221] [2021-07-10 15:26:03,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:26:03,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:26:04,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:26:04,035 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:26:04,035 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156978221] [2021-07-10 15:26:04,036 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156978221] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:26:04,036 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494487009] [2021-07-10 15:26:04,036 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 [2021-07-10 15:26:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:26:04,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-10 15:26:04,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:26:04,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:26:04,217 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [494487009] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:26:04,217 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:26:04,217 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-07-10 15:26:04,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368061316] [2021-07-10 15:26:04,218 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-10 15:26:04,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:26:04,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-10 15:26:04,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-07-10 15:26:04,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:26:04,219 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:26:04,220 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:26:04,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:26:04,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:26:04,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:26:04,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:04,597 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:26:04,597 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:26:04,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:26:04,598 INFO L82 PathProgramCache]: Analyzing trace with hash 2084517420, now seen corresponding path program 1 times [2021-07-10 15:26:04,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:26:04,598 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858501112] [2021-07-10 15:26:04,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:26:04,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:26:04,651 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:26:04,652 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:26:04,652 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858501112] [2021-07-10 15:26:04,652 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858501112] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:26:04,652 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361246178] [2021-07-10 15:26:04,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-07-10 15:26:04,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:26:04,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-10 15:26:04,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:26:04,792 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:26:04,792 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [361246178] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:26:04,793 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:26:04,793 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-07-10 15:26:04,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637945485] [2021-07-10 15:26:04,793 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-10 15:26:04,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:26:04,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-10 15:26:04,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-07-10 15:26:04,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:26:04,794 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:26:04,794 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 9 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:26:04,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:26:04,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:04,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:26:04,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:26:04,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:04,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:05,100 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:26:05,101 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:26:05,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:26:05,102 INFO L82 PathProgramCache]: Analyzing trace with hash -1862458416, now seen corresponding path program 1 times [2021-07-10 15:26:05,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:26:05,102 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087713770] [2021-07-10 15:26:05,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:26:05,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:26:05,161 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 15:26:05,161 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:26:05,161 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087713770] [2021-07-10 15:26:05,162 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087713770] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:26:05,162 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [149970905] [2021-07-10 15:26:05,162 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 [2021-07-10 15:26:05,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:26:05,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-10 15:26:05,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:26:05,255 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 15:26:05,255 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [149970905] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:26:05,255 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:26:05,255 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-07-10 15:26:05,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109012732] [2021-07-10 15:26:05,256 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-10 15:26:05,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:26:05,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-10 15:26:05,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-07-10 15:26:05,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:26:05,256 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:26:05,257 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:26:05,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:26:05,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:05,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:05,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:26:05,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:26:05,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:05,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:05,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:05,540 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:26:05,542 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:26:05,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:26:05,543 INFO L82 PathProgramCache]: Analyzing trace with hash -872741716, now seen corresponding path program 1 times [2021-07-10 15:26:05,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:26:05,543 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119926569] [2021-07-10 15:26:05,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:26:05,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:26:06,333 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:26:06,334 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:26:06,334 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119926569] [2021-07-10 15:26:06,334 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119926569] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:26:06,334 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1374019041] [2021-07-10 15:26:06,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-07-10 15:26:06,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:26:06,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 30 conjunts are in the unsatisfiable core [2021-07-10 15:26:06,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:26:06,767 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:06,768 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:06,771 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 25 treesize of output 19 [2021-07-10 15:26:06,773 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:06,777 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:06,777 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 15 treesize of output 11 [2021-07-10 15:26:06,778 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:06,826 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:26:06,831 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:06,832 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:06,832 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 35 treesize of output 27 [2021-07-10 15:26:06,834 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:06,839 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:06,839 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 25 treesize of output 19 [2021-07-10 15:26:06,841 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:06,895 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:26:06,903 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-07-10 15:26:06,903 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:191, output treesize:161 [2021-07-10 15:26:07,119 INFO L446 ElimStorePlain]: Different costs {1=[array_0], 10=[array_2]} [2021-07-10 15:26:07,125 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:07,125 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 39 treesize of output 31 [2021-07-10 15:26:07,127 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:07,132 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:07,133 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 15 treesize of output 11 [2021-07-10 15:26:07,134 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:07,139 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:07,139 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 29 treesize of output 23 [2021-07-10 15:26:07,142 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:07,167 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:07,168 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 25 treesize of output 19 [2021-07-10 15:26:07,171 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:07,179 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:07,181 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 35 treesize of output 27 [2021-07-10 15:26:07,183 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:07,189 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:07,190 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 25 treesize of output 19 [2021-07-10 15:26:07,193 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:07,199 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:07,199 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 35 treesize of output 27 [2021-07-10 15:26:07,201 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:07,206 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 25 treesize of output 19 [2021-07-10 15:26:07,207 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:07,362 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2021-07-10 15:26:07,362 INFO L628 ElimStorePlain]: treesize reduction 151, result has 55.7 percent of original size [2021-07-10 15:26:07,368 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:07,368 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:07,369 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 25 treesize of output 17 [2021-07-10 15:26:07,370 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:07,375 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:07,375 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:07,376 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 21 treesize of output 13 [2021-07-10 15:26:07,377 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:07,382 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:07,382 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:07,383 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 [2021-07-10 15:26:07,385 INFO L550 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-10 15:26:07,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:07,390 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 22 treesize of output 14 [2021-07-10 15:26:07,391 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:07,449 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:26:07,453 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-07-10 15:26:07,454 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 6 variables, input treesize:409, output treesize:109 [2021-07-10 15:26:07,620 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:26:07,620 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1374019041] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:26:07,620 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:26:07,620 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 16 [2021-07-10 15:26:07,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470925526] [2021-07-10 15:26:07,621 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-10 15:26:07,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:26:07,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-10 15:26:07,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-07-10 15:26:07,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:26:07,631 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:26:07,631 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.8125) internal successors, (29), 16 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:26:07,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:26:07,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:07,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:07,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:07,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:26:08,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:26:08,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:08,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:08,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:08,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:08,221 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-07-10 15:26:08,222 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:26:08,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:26:08,222 INFO L82 PathProgramCache]: Analyzing trace with hash -450885404, now seen corresponding path program 2 times [2021-07-10 15:26:08,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:26:08,222 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002939905] [2021-07-10 15:26:08,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:26:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:26:08,277 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 15:26:08,278 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:26:08,278 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002939905] [2021-07-10 15:26:08,278 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002939905] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:26:08,278 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1936802164] [2021-07-10 15:26:08,278 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:26:08,316 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 15:26:08,316 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:26:08,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 23 conjunts are in the unsatisfiable core [2021-07-10 15:26:08,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:26:08,429 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:08,430 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 15 treesize of output 11 [2021-07-10 15:26:08,431 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:08,433 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 16 treesize of output 12 [2021-07-10 15:26:08,435 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:08,455 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:26:08,456 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 15:26:08,456 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:63, output treesize:49 [2021-07-10 15:26:08,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-07-10 15:26:08,545 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:08,548 INFO L628 ElimStorePlain]: treesize reduction 4, result has 71.4 percent of original size [2021-07-10 15:26:08,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 6 [2021-07-10 15:26:08,551 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-10 15:26:08,552 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:26:08,553 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-10 15:26:08,553 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:6 [2021-07-10 15:26:08,560 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:26:08,560 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1936802164] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:26:08,560 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:26:08,560 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 15 [2021-07-10 15:26:08,560 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089898821] [2021-07-10 15:26:08,560 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-10 15:26:08,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:26:08,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-10 15:26:08,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-07-10 15:26:08,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:26:08,561 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:26:08,561 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.8666666666666667) internal successors, (28), 15 states have internal predecessors, (28), 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) [2021-07-10 15:26:08,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:26:08,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:08,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:08,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:08,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:08,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:26:09,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:26:09,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:09,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:09,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:09,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:09,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:09,404 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:26:09,404 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:26:09,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:26:09,404 INFO L82 PathProgramCache]: Analyzing trace with hash -2075069624, now seen corresponding path program 3 times [2021-07-10 15:26:09,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:26:09,405 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846025899] [2021-07-10 15:26:09,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:26:09,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:26:10,320 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:26:10,320 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:26:10,320 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846025899] [2021-07-10 15:26:10,320 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846025899] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:26:10,321 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1642708481] [2021-07-10 15:26:10,321 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:26:10,381 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-07-10 15:26:10,381 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:26:10,382 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 48 conjunts are in the unsatisfiable core [2021-07-10 15:26:10,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:26:10,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:10,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:10,899 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:10,900 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:10,902 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:10,903 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:10,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 23 [2021-07-10 15:26:10,905 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:10,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:10,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:10,911 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:10,912 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:10,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-07-10 15:26:10,914 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:10,976 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:26:10,980 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:10,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:10,982 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:10,982 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:10,984 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:10,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 39 [2021-07-10 15:26:10,986 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:10,990 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:10,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:10,991 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:10,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-07-10 15:26:10,993 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:11,044 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:26:11,049 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-07-10 15:26:11,050 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:261, output treesize:191 [2021-07-10 15:26:11,392 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 87 [2021-07-10 15:26:11,496 INFO L446 ElimStorePlain]: Different costs {2=[array_0], 36=[array_2]} [2021-07-10 15:26:11,503 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:11,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-07-10 15:26:11,506 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:11,512 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:11,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 38 [2021-07-10 15:26:11,514 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:11,520 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:11,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-07-10 15:26:11,522 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:11,528 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:11,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 30 [2021-07-10 15:26:11,529 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:11,535 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:11,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2021-07-10 15:26:11,537 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:11,543 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:11,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 34 [2021-07-10 15:26:11,545 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:11,550 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:11,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-07-10 15:26:11,552 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:11,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2021-07-10 15:26:11,558 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:11,702 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2021-07-10 15:26:11,702 INFO L628 ElimStorePlain]: treesize reduction 139, result has 58.1 percent of original size [2021-07-10 15:26:11,707 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:11,708 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:11,708 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 22 treesize of output 14 [2021-07-10 15:26:11,709 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:11,713 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:11,714 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:11,714 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 22 treesize of output 14 [2021-07-10 15:26:11,715 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:11,719 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:11,720 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:11,720 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 21 treesize of output 13 [2021-07-10 15:26:11,721 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:11,725 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:11,726 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 24 treesize of output 16 [2021-07-10 15:26:11,727 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:11,782 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:26:11,786 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-07-10 15:26:11,786 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 6 variables, input treesize:469, output treesize:109 [2021-07-10 15:26:11,969 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:26:11,969 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1642708481] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:26:11,969 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:26:11,969 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 23 [2021-07-10 15:26:11,970 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104890306] [2021-07-10 15:26:11,970 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-10 15:26:11,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:26:11,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-10 15:26:11,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=449, Unknown=0, NotChecked=0, Total=506 [2021-07-10 15:26:11,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:26:11,971 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:26:11,971 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 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) [2021-07-10 15:26:11,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:26:11,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:11,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:11,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:11,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:11,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:11,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:26:12,674 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 72 [2021-07-10 15:26:12,842 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 51 [2021-07-10 15:26:13,174 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 78 [2021-07-10 15:26:13,338 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 42 [2021-07-10 15:26:13,553 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 75 [2021-07-10 15:26:13,900 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2021-07-10 15:26:14,066 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2021-07-10 15:26:14,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:26:14,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:14,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:14,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:14,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:14,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:14,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:26:14,284 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-07-10 15:26:14,285 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:26:14,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:26:14,285 INFO L82 PathProgramCache]: Analyzing trace with hash 1557789612, now seen corresponding path program 4 times [2021-07-10 15:26:14,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:26:14,286 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892955031] [2021-07-10 15:26:14,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:26:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:26:14,428 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:26:14,428 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:26:14,428 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892955031] [2021-07-10 15:26:14,429 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892955031] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:26:14,429 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [383053845] [2021-07-10 15:26:14,429 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:26:14,470 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 15:26:14,470 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:26:14,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-10 15:26:14,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:26:14,560 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:14,560 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 18 treesize of output 14 [2021-07-10 15:26:14,561 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:14,564 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 17 treesize of output 13 [2021-07-10 15:26:14,565 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:14,579 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:26:14,580 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 15:26:14,581 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:57, output treesize:43 [2021-07-10 15:26:14,680 INFO L446 ElimStorePlain]: Different costs {0=[array_2], 1=[array_0]} [2021-07-10 15:26:14,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 15:26:14,684 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:14,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 15:26:14,688 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:14,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 15:26:14,690 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:14,692 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 15:26:14,693 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:14,708 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-07-10 15:26:14,708 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-10 15:26:14,709 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 15:26:14,709 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-10 15:26:14,737 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:26:14,737 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [383053845] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:26:14,737 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:26:14,738 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 20 [2021-07-10 15:26:14,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065586121] [2021-07-10 15:26:14,738 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-10 15:26:14,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:26:14,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-10 15:26:14,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-07-10 15:26:14,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:26:14,739 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:26:14,739 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.55) internal successors, (31), 20 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:26:14,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:26:14,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:14,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:14,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:14,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:14,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:14,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:26:14,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:26:15,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:26:15,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:15,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:15,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:15,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:15,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:15,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:26:15,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:15,449 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable73 [2021-07-10 15:26:15,450 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:26:15,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:26:15,450 INFO L82 PathProgramCache]: Analyzing trace with hash 626907024, now seen corresponding path program 5 times [2021-07-10 15:26:15,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:26:15,451 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766820544] [2021-07-10 15:26:15,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:26:15,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:26:15,528 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 15:26:15,528 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:26:15,528 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766820544] [2021-07-10 15:26:15,528 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766820544] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:26:15,528 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34052707] [2021-07-10 15:26:15,528 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:26:15,576 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-10 15:26:15,576 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:26:15,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 15:26:15,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:26:15,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-07-10 15:26:15,724 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:15,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 15:26:15,727 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:15,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 15:26:15,730 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:15,759 INFO L628 ElimStorePlain]: treesize reduction 22, result has 60.0 percent of original size [2021-07-10 15:26:15,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 6 [2021-07-10 15:26:15,763 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-10 15:26:15,776 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:26:15,777 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 15:26:15,777 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:76, output treesize:27 [2021-07-10 15:26:15,812 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:26:15,813 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [34052707] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:26:15,813 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:26:15,813 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 14] total 17 [2021-07-10 15:26:15,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328044307] [2021-07-10 15:26:15,815 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-10 15:26:15,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:26:15,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-10 15:26:15,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2021-07-10 15:26:15,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:26:15,816 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:26:15,816 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.7058823529411764) internal successors, (29), 17 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:26:15,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:26:15,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:15,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:15,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:15,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:15,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:15,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:26:15,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:15,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:26:16,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:26:16,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:16,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:16,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:16,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:16,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:16,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:26:16,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:16,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 15:26:16,585 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:26:16,585 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:26:16,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:26:16,586 INFO L82 PathProgramCache]: Analyzing trace with hash -1554941908, now seen corresponding path program 6 times [2021-07-10 15:26:16,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:26:16,586 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206654378] [2021-07-10 15:26:16,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:26:16,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:26:17,720 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:26:17,721 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:26:17,721 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206654378] [2021-07-10 15:26:17,721 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206654378] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:26:17,721 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1921243792] [2021-07-10 15:26:17,721 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:26:17,759 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-07-10 15:26:17,760 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:26:17,761 WARN L261 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 69 conjunts are in the unsatisfiable core [2021-07-10 15:26:17,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:26:18,594 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-07-10 15:26:18,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:18,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:18,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:18,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:18,664 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:18,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:18,665 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:18,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:18,666 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:18,670 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:18,671 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:18,672 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:18,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 47 [2021-07-10 15:26:18,674 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:18,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:18,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:18,683 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:18,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:18,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:18,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:18,686 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:18,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:18,687 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:18,689 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:18,692 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:18,693 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:18,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 47 [2021-07-10 15:26:18,695 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:18,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:18,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:18,702 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:18,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:18,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:18,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:18,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:18,705 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:18,706 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:18,708 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:18,711 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:18,711 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:18,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 55 [2021-07-10 15:26:18,713 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:18,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:18,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:18,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:18,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:18,721 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:18,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:18,722 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:18,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:18,723 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:18,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-07-10 15:26:18,726 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:18,845 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-07-10 15:26:18,845 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:26:18,851 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-07-10 15:26:18,852 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:421, output treesize:299 [2021-07-10 15:26:19,679 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 145 [2021-07-10 15:26:20,089 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 145 [2021-07-10 15:26:20,241 INFO L446 ElimStorePlain]: Different costs {3=[array_0], 171=[array_2]} [2021-07-10 15:26:20,248 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:20,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 45 [2021-07-10 15:26:20,253 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:20,261 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:20,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 41 [2021-07-10 15:26:20,266 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:20,273 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:20,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 33 [2021-07-10 15:26:20,279 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:20,286 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:20,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 33 [2021-07-10 15:26:20,290 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:20,298 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:20,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2021-07-10 15:26:20,303 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:20,309 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:20,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2021-07-10 15:26:20,314 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:20,321 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:20,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 37 [2021-07-10 15:26:20,325 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:20,333 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:20,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 33 [2021-07-10 15:26:20,337 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:20,345 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:20,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 33 [2021-07-10 15:26:20,350 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:20,357 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:20,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 41 [2021-07-10 15:26:20,362 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:20,369 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:20,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2021-07-10 15:26:20,373 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:20,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2021-07-10 15:26:20,382 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:20,671 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 92 [2021-07-10 15:26:20,672 INFO L628 ElimStorePlain]: treesize reduction 282, result has 51.7 percent of original size [2021-07-10 15:26:20,679 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:20,680 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:20,680 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 21 treesize of output 13 [2021-07-10 15:26:20,681 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:20,687 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:20,688 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:20,688 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 25 treesize of output 17 [2021-07-10 15:26:20,689 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:20,695 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:20,695 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:20,696 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 [2021-07-10 15:26:20,697 INFO L550 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-10 15:26:20,702 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:20,703 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:20,703 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 [2021-07-10 15:26:20,705 INFO L550 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-10 15:26:20,710 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:20,710 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 21 treesize of output 13 [2021-07-10 15:26:20,711 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:20,816 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-07-10 15:26:20,816 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:26:20,821 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, End of recursive call: and 7 xjuncts. [2021-07-10 15:26:20,821 INFO L247 ElimStorePlain]: Needed 18 recursive calls to eliminate 8 variables, input treesize:911, output treesize:200 [2021-07-10 15:26:21,044 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2021-07-10 15:26:21,171 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:26:21,172 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1921243792] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:26:21,172 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:26:21,172 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 30 [2021-07-10 15:26:21,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286179509] [2021-07-10 15:26:21,172 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-10 15:26:21,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:26:21,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-10 15:26:21,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=759, Unknown=0, NotChecked=0, Total=870 [2021-07-10 15:26:21,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:26:21,173 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:26:21,173 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 30 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:26:21,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:26:21,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:21,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:21,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:21,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:21,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:21,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:26:21,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:21,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 15:26:21,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:26:21,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:26:21,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:21,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:21,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:21,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:21,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:21,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:26:21,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:21,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 15:26:21,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:21,820 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:26:21,821 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:26:21,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:26:21,821 INFO L82 PathProgramCache]: Analyzing trace with hash -1207930268, now seen corresponding path program 7 times [2021-07-10 15:26:21,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:26:21,822 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264220674] [2021-07-10 15:26:21,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:26:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:26:21,917 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 15:26:21,917 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:26:21,917 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264220674] [2021-07-10 15:26:21,917 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264220674] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:26:21,917 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2076372428] [2021-07-10 15:26:21,917 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:26:21,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:26:21,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-10 15:26:21,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:26:22,140 INFO L354 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2021-07-10 15:26:22,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 32 [2021-07-10 15:26:22,142 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:22,148 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-07-10 15:26:22,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 16 [2021-07-10 15:26:22,149 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:22,185 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:26:22,186 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 15:26:22,190 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 15:26:22,190 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:95, output treesize:42 [2021-07-10 15:26:22,231 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 15:26:22,231 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2076372428] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:26:22,232 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:26:22,232 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 16 [2021-07-10 15:26:22,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382567410] [2021-07-10 15:26:22,232 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-10 15:26:22,232 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:26:22,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-10 15:26:22,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2021-07-10 15:26:22,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:26:22,233 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:26:22,233 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.875) internal successors, (30), 16 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:26:22,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:26:22,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:22,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:22,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:22,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:22,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:22,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:26:22,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:22,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 15:26:22,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:22,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:26:22,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:26:22,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:22,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:22,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:22,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:22,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:22,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:26:22,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:22,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 15:26:22,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:22,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:22,952 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable114 [2021-07-10 15:26:22,952 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:26:22,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:26:22,952 INFO L82 PathProgramCache]: Analyzing trace with hash 1694644184, now seen corresponding path program 8 times [2021-07-10 15:26:22,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:26:22,953 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166737135] [2021-07-10 15:26:22,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:26:22,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:26:23,157 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:26:23,158 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:26:23,158 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166737135] [2021-07-10 15:26:23,158 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166737135] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:26:23,158 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56069686] [2021-07-10 15:26:23,158 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:26:23,199 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 15:26:23,200 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:26:23,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 32 conjunts are in the unsatisfiable core [2021-07-10 15:26:23,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:26:23,422 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:23,423 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:23,423 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 16 treesize of output 12 [2021-07-10 15:26:23,424 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:23,426 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:23,427 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 15 treesize of output 11 [2021-07-10 15:26:23,427 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:23,451 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:26:23,453 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-07-10 15:26:23,453 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:65, output treesize:51 [2021-07-10 15:26:23,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 15:26:23,653 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:23,659 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:23,660 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 17 treesize of output 13 [2021-07-10 15:26:23,661 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:23,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-10 15:26:23,664 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:23,665 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 16 treesize of output 12 [2021-07-10 15:26:23,666 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:23,688 INFO L628 ElimStorePlain]: treesize reduction 30, result has 38.8 percent of original size [2021-07-10 15:26:23,688 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 15:26:23,689 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 15:26:23,689 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:87, output treesize:13 [2021-07-10 15:26:23,723 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:26:23,723 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [56069686] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:26:23,723 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:26:23,723 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 28 [2021-07-10 15:26:23,723 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531996304] [2021-07-10 15:26:23,724 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-10 15:26:23,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:26:23,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-10 15:26:23,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=686, Unknown=0, NotChecked=0, Total=756 [2021-07-10 15:26:23,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:26:23,724 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:26:23,725 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 28 states have internal predecessors, (43), 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) [2021-07-10 15:26:23,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:26:23,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:23,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:23,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:23,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:23,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:23,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:26:23,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:23,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 15:26:23,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:23,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:23,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:26:25,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:26:25,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:25,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:25,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:25,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:25,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:25,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:26:25,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:25,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 15:26:25,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:25,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:25,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:26:25,401 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:26:25,401 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:26:25,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:26:25,402 INFO L82 PathProgramCache]: Analyzing trace with hash 255169480, now seen corresponding path program 9 times [2021-07-10 15:26:25,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:26:25,402 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988124658] [2021-07-10 15:26:25,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:26:25,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:26:26,199 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:26:26,199 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:26:26,199 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988124658] [2021-07-10 15:26:26,199 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988124658] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:26:26,200 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1987805466] [2021-07-10 15:26:26,200 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:26:26,241 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 15:26:26,241 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:26:26,242 WARN L261 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 81 conjunts are in the unsatisfiable core [2021-07-10 15:26:26,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:26:27,254 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-07-10 15:26:27,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:27,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:27,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:27,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:27,345 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:27,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:27,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:27,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:27,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:27,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:27,349 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:27,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:27,350 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:27,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:27,351 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:27,356 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:27,360 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:27,361 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:27,363 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:27,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 57 [2021-07-10 15:26:27,365 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:27,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:27,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:27,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:27,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:27,373 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:27,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:27,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:27,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:27,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:27,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:27,377 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:27,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:27,378 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:27,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:27,379 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:27,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 55 [2021-07-10 15:26:27,381 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:27,465 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:26:27,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:27,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:27,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:27,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:27,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:27,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:27,474 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:27,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:27,476 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:27,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:27,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:27,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:27,478 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:27,479 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:27,484 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:27,485 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:27,489 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:27,490 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:27,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 55 [2021-07-10 15:26:27,493 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:27,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:27,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:27,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:27,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:27,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:27,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:27,502 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:27,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:27,503 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:27,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:27,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:27,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:27,506 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:27,506 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:27,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 47 [2021-07-10 15:26:27,508 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:27,574 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:26:27,578 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-07-10 15:26:27,578 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:355, output treesize:211 [2021-07-10 15:26:28,230 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 101 [2021-07-10 15:26:28,523 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 101 [2021-07-10 15:26:28,623 INFO L446 ElimStorePlain]: Different costs {0=[array_0, v_prenex_35, v_prenex_39, v_prenex_37], 10=[array_2, v_prenex_40, v_prenex_36, v_prenex_38]} [2021-07-10 15:26:28,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 40 [2021-07-10 15:26:28,634 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:28,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2021-07-10 15:26:28,642 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:28,792 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 104 [2021-07-10 15:26:28,793 INFO L628 ElimStorePlain]: treesize reduction 139, result has 64.3 percent of original size [2021-07-10 15:26:28,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2021-07-10 15:26:28,799 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:28,852 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:26:28,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2021-07-10 15:26:28,858 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:28,903 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:26:28,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2021-07-10 15:26:28,913 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:28,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 38 [2021-07-10 15:26:28,918 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:28,948 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:26:28,952 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:28,952 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 22 treesize of output 14 [2021-07-10 15:26:28,953 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:28,982 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:26:28,982 INFO L518 ElimStorePlain]: Eliminatee v_prenex_40 vanished before elimination [2021-07-10 15:26:28,986 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:28,986 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 13 treesize of output 9 [2021-07-10 15:26:28,990 INFO L550 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-10 15:26:29,020 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:26:29,023 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:29,023 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:29,024 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 14 treesize of output 10 [2021-07-10 15:26:29,025 INFO L550 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-10 15:26:29,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:29,029 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 12 treesize of output 8 [2021-07-10 15:26:29,031 INFO L550 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-10 15:26:29,060 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:26:29,062 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 8 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-07-10 15:26:29,062 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 12 variables, input treesize:459, output treesize:48 [2021-07-10 15:26:29,153 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:26:29,153 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1987805466] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:26:29,154 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:26:29,154 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 17] total 34 [2021-07-10 15:26:29,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356872637] [2021-07-10 15:26:29,154 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-10 15:26:29,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:26:29,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-10 15:26:29,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=1050, Unknown=0, NotChecked=0, Total=1122 [2021-07-10 15:26:29,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:26:29,155 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:26:29,155 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 34 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:26:29,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:26:29,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:29,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:29,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:29,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:29,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:29,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:26:29,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:29,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 15:26:29,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:29,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:29,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:26:29,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:26:30,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:26:30,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:30,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:30,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:30,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:30,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:30,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:26:30,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:30,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 15:26:30,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:30,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:30,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:26:30,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:26:30,287 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable135 [2021-07-10 15:26:30,288 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:26:30,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:26:30,288 INFO L82 PathProgramCache]: Analyzing trace with hash 92655248, now seen corresponding path program 10 times [2021-07-10 15:26:30,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:26:30,288 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115806081] [2021-07-10 15:26:30,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:26:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:26:30,389 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-07-10 15:26:30,389 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:26:30,389 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115806081] [2021-07-10 15:26:30,389 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115806081] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:26:30,389 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1234073729] [2021-07-10 15:26:30,390 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:26:30,429 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 15:26:30,429 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:26:30,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-10 15:26:30,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:26:30,663 INFO L354 Elim1Store]: treesize reduction 36, result has 26.5 percent of original size [2021-07-10 15:26:30,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 41 [2021-07-10 15:26:30,665 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:30,673 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-07-10 15:26:30,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 21 [2021-07-10 15:26:30,675 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:30,701 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:26:30,702 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 15:26:30,724 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 15:26:30,724 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:119, output treesize:53 [2021-07-10 15:26:30,762 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-07-10 15:26:30,762 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1234073729] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:26:30,762 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:26:30,762 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 19 [2021-07-10 15:26:30,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979296917] [2021-07-10 15:26:30,762 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-10 15:26:30,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:26:30,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-10 15:26:30,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2021-07-10 15:26:30,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:26:30,763 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:26:30,763 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.736842105263158) internal successors, (33), 19 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:26:30,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:26:30,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:30,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:30,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:30,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:30,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:30,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:26:30,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:30,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 15:26:30,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:30,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:30,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:26:30,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:26:30,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:26:31,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:26:31,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:31,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:31,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:31,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:31,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:31,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:26:31,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:31,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 15:26:31,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:31,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:31,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:26:31,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:26:31,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 15:26:31,596 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:26:31,596 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:26:31,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:26:31,596 INFO L82 PathProgramCache]: Analyzing trace with hash -936877780, now seen corresponding path program 11 times [2021-07-10 15:26:31,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:26:31,597 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024112475] [2021-07-10 15:26:31,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:26:31,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:26:31,820 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:26:31,820 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:26:31,820 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024112475] [2021-07-10 15:26:31,820 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024112475] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:26:31,820 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24357147] [2021-07-10 15:26:31,820 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:26:31,860 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-10 15:26:31,860 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:26:31,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-10 15:26:31,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:26:32,040 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:32,041 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 18 treesize of output 14 [2021-07-10 15:26:32,042 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:32,044 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 17 treesize of output 13 [2021-07-10 15:26:32,044 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:32,059 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:26:32,060 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 15:26:32,060 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:57, output treesize:43 [2021-07-10 15:26:32,230 INFO L446 ElimStorePlain]: Different costs {0=[array_2], 1=[array_0]} [2021-07-10 15:26:32,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 15:26:32,234 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:32,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 15:26:32,237 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:32,239 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 15:26:32,240 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:32,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 15:26:32,243 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:32,259 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-07-10 15:26:32,259 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-10 15:26:32,260 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 15:26:32,260 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-10 15:26:32,295 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:26:32,296 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [24357147] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:26:32,296 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:26:32,296 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 30 [2021-07-10 15:26:32,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449810147] [2021-07-10 15:26:32,296 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-10 15:26:32,296 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:26:32,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-10 15:26:32,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=793, Unknown=0, NotChecked=0, Total=870 [2021-07-10 15:26:32,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:26:32,297 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:26:32,297 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 30 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:26:32,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:26:32,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:32,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:32,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:32,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:32,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:32,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:26:32,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:32,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 15:26:32,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:32,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:32,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:26:32,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:26:32,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 15:26:32,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:26:33,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:26:33,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:33,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:33,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:33,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:33,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:33,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:26:33,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:33,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 15:26:33,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:33,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:33,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:26:33,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:26:33,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 15:26:33,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:26:33,251 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable192,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:26:33,252 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:26:33,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:26:33,252 INFO L82 PathProgramCache]: Analyzing trace with hash -2106979412, now seen corresponding path program 12 times [2021-07-10 15:26:33,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:26:33,252 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158791601] [2021-07-10 15:26:33,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:26:33,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:26:34,688 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:26:34,689 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:26:34,689 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158791601] [2021-07-10 15:26:34,689 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158791601] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:26:34,689 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [106782299] [2021-07-10 15:26:34,689 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:26:34,753 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-10 15:26:34,753 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:26:34,754 WARN L261 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 99 conjunts are in the unsatisfiable core [2021-07-10 15:26:34,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:26:36,051 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2021-07-10 15:26:36,332 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2021-07-10 15:26:36,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,401 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:36,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,403 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:36,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,404 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:36,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,408 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:36,409 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:36,414 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:36,416 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:36,419 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:36,423 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:36,424 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:36,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 59 [2021-07-10 15:26:36,426 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:36,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,435 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:36,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,437 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:36,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,439 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:36,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,441 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:36,441 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:36,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 67 [2021-07-10 15:26:36,444 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:36,536 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:26:36,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,544 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:36,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,546 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:36,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,550 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:36,550 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:36,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,552 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:36,556 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:36,564 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:36,570 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:36,571 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:36,572 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:36,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 67 [2021-07-10 15:26:36,574 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:36,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,581 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:36,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,583 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:36,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,588 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:36,589 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:36,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:36,591 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:36,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 69 [2021-07-10 15:26:36,593 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:36,667 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:26:36,672 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-07-10 15:26:36,672 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:427, output treesize:247 [2021-07-10 15:26:37,149 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 116 [2021-07-10 15:26:37,464 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 116 [2021-07-10 15:26:37,764 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 116 [2021-07-10 15:26:38,081 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 116 [2021-07-10 15:26:38,163 INFO L446 ElimStorePlain]: Different costs {0=[array_0, v_prenex_64, v_prenex_62, v_prenex_66], 15=[v_prenex_65, array_2, v_prenex_63, v_prenex_67]} [2021-07-10 15:26:38,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 43 [2021-07-10 15:26:38,177 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:38,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 45 [2021-07-10 15:26:38,184 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:38,329 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 118 [2021-07-10 15:26:38,330 INFO L628 ElimStorePlain]: treesize reduction 204, result has 54.1 percent of original size [2021-07-10 15:26:38,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 49 [2021-07-10 15:26:38,344 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:38,391 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:26:38,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 43 [2021-07-10 15:26:38,397 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:38,435 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:26:38,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 34 [2021-07-10 15:26:38,440 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:38,471 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:26:38,473 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:38,474 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 22 treesize of output 14 [2021-07-10 15:26:38,475 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:38,513 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:26:38,516 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:38,517 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:38,517 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 [2021-07-10 15:26:38,518 INFO L550 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-10 15:26:38,521 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:38,522 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 12 treesize of output 8 [2021-07-10 15:26:38,523 INFO L550 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-10 15:26:38,553 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:26:38,556 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:38,556 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 10 treesize of output 6 [2021-07-10 15:26:38,558 INFO L550 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-10 15:26:38,586 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:26:38,586 INFO L518 ElimStorePlain]: Eliminatee v_prenex_67 vanished before elimination [2021-07-10 15:26:38,588 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 8 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-07-10 15:26:38,588 INFO L247 ElimStorePlain]: Needed 10 recursive calls to eliminate 12 variables, input treesize:531, output treesize:48 [2021-07-10 15:26:38,694 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:26:38,694 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [106782299] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:26:38,694 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:26:38,694 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 20] total 40 [2021-07-10 15:26:38,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238091954] [2021-07-10 15:26:38,694 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-10 15:26:38,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:26:38,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-10 15:26:38,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1476, Unknown=0, NotChecked=0, Total=1560 [2021-07-10 15:26:38,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:26:38,695 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:26:38,695 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.325) internal successors, (53), 40 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:26:38,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:26:38,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:38,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:38,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:38,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:38,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:38,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:26:38,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:38,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 15:26:38,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:38,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:38,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:26:38,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:26:38,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 15:26:38,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:26:38,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:26:39,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:26:39,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:39,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:39,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:39,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:39,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:39,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:26:39,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:39,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 15:26:39,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:39,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:39,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:26:39,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:26:39,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 15:26:39,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:26:39,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:26:40,130 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable198,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:26:40,130 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:26:40,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:26:40,131 INFO L82 PathProgramCache]: Analyzing trace with hash 1154644964, now seen corresponding path program 13 times [2021-07-10 15:26:40,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:26:40,131 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518889906] [2021-07-10 15:26:40,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:26:40,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:26:40,280 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-07-10 15:26:40,280 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:26:40,280 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518889906] [2021-07-10 15:26:40,280 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518889906] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:26:40,280 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1933977906] [2021-07-10 15:26:40,280 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:26:40,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:26:40,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 32 conjunts are in the unsatisfiable core [2021-07-10 15:26:40,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:26:40,648 INFO L354 Elim1Store]: treesize reduction 64, result has 21.0 percent of original size [2021-07-10 15:26:40,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 46 treesize of output 50 [2021-07-10 15:26:40,651 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:40,663 INFO L354 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2021-07-10 15:26:40,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 36 treesize of output 26 [2021-07-10 15:26:40,665 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:40,698 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:26:40,698 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 15:26:40,708 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 15:26:40,708 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:143, output treesize:43 [2021-07-10 15:26:40,745 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-07-10 15:26:40,745 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1933977906] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:26:40,745 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:26:40,745 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 22 [2021-07-10 15:26:40,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983592914] [2021-07-10 15:26:40,745 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-10 15:26:40,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:26:40,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-10 15:26:40,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=370, Unknown=0, NotChecked=0, Total=462 [2021-07-10 15:26:40,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:26:40,746 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:26:40,746 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.6363636363636365) internal successors, (36), 22 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) [2021-07-10 15:26:40,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:26:40,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:40,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:40,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:40,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:40,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:40,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:26:40,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:40,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 15:26:40,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:40,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:40,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:26:40,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:26:40,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 15:26:40,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:26:40,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:26:40,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:26:41,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:26:41,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:41,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:41,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:41,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:41,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:41,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:26:41,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:41,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 15:26:41,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:41,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:41,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:26:41,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:26:41,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 15:26:41,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:26:41,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:26:41,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:26:41,732 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable246 [2021-07-10 15:26:41,733 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:26:41,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:26:41,743 INFO L82 PathProgramCache]: Analyzing trace with hash 1920032344, now seen corresponding path program 14 times [2021-07-10 15:26:41,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:26:41,743 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366561698] [2021-07-10 15:26:41,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:26:41,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:26:42,112 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:26:42,113 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:26:42,113 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366561698] [2021-07-10 15:26:42,113 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366561698] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:26:42,113 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623791676] [2021-07-10 15:26:42,113 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:26:42,159 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 15:26:42,160 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:26:42,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 44 conjunts are in the unsatisfiable core [2021-07-10 15:26:42,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:26:42,472 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:42,472 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:42,472 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 15 treesize of output 11 [2021-07-10 15:26:42,473 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:42,475 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:42,476 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 16 treesize of output 12 [2021-07-10 15:26:42,476 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:42,497 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:26:42,499 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-07-10 15:26:42,499 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:65, output treesize:51 [2021-07-10 15:26:42,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-10 15:26:42,796 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:42,800 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:42,800 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 17 treesize of output 13 [2021-07-10 15:26:42,801 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:42,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 15:26:42,805 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:42,807 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 16 treesize of output 12 [2021-07-10 15:26:42,807 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:42,829 INFO L628 ElimStorePlain]: treesize reduction 30, result has 38.8 percent of original size [2021-07-10 15:26:42,829 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 15:26:42,829 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 15:26:42,830 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:87, output treesize:13 [2021-07-10 15:26:42,869 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:26:42,869 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1623791676] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:26:42,869 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:26:42,870 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 38 [2021-07-10 15:26:42,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427115368] [2021-07-10 15:26:42,870 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-07-10 15:26:42,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:26:42,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-07-10 15:26:42,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=1308, Unknown=0, NotChecked=0, Total=1406 [2021-07-10 15:26:42,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:26:42,871 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:26:42,871 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 1.394736842105263) internal successors, (53), 38 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:26:42,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:26:42,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:42,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:42,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:42,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:42,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:42,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:26:42,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:42,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 15:26:42,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:42,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:42,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:26:42,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:26:42,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 15:26:42,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:26:42,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:26:42,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:26:42,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:26:45,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:26:45,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:45,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:45,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:45,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:45,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:45,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:26:45,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:45,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 15:26:45,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:45,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:45,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:26:45,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:26:45,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 15:26:45,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:26:45,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:26:45,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:26:45,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 15:26:45,282 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable260 [2021-07-10 15:26:45,283 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:26:45,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:26:45,283 INFO L82 PathProgramCache]: Analyzing trace with hash -497413048, now seen corresponding path program 15 times [2021-07-10 15:26:45,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:26:45,283 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64651416] [2021-07-10 15:26:45,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:26:45,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:26:47,149 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:26:47,150 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:26:47,150 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64651416] [2021-07-10 15:26:47,150 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64651416] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:26:47,150 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1775997817] [2021-07-10 15:26:47,150 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 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 [2021-07-10 15:26:47,200 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-10 15:26:47,200 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:26:47,202 WARN L261 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 123 conjunts are in the unsatisfiable core [2021-07-10 15:26:47,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:26:48,257 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-07-10 15:26:48,577 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-07-10 15:26:48,855 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-07-10 15:26:49,172 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-07-10 15:26:49,518 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2021-07-10 15:26:49,596 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:49,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,608 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:49,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,613 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:49,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,616 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:49,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,618 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:49,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,620 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:49,621 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:49,629 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:49,635 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:49,638 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:49,640 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:49,642 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:49,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 89 [2021-07-10 15:26:49,644 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:49,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,662 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:49,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:49,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,671 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:49,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,676 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:49,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,677 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:49,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,679 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:49,686 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:49,692 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:49,696 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:49,700 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:49,702 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:49,704 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:49,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 97 [2021-07-10 15:26:49,706 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:49,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,718 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:49,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,724 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:49,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,727 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:49,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,731 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:49,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,732 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:49,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,734 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:49,740 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:49,745 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:49,748 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:49,752 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:49,753 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:49,755 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:49,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 89 [2021-07-10 15:26:49,757 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:49,762 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:49,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,771 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:49,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,777 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:49,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,779 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:49,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,781 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:49,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:26:49,783 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:49,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 81 [2021-07-10 15:26:49,785 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:49,930 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-07-10 15:26:49,930 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:26:49,936 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-07-10 15:26:49,936 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:685, output treesize:431 [2021-07-10 15:26:50,474 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2021-07-10 15:26:51,089 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 198 [2021-07-10 15:26:51,728 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 198 [2021-07-10 15:26:52,343 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 198 [2021-07-10 15:26:52,973 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 198 [2021-07-10 15:26:53,599 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 198 [2021-07-10 15:26:53,729 INFO L446 ElimStorePlain]: Different costs {6=[array_0], 666=[array_2]} [2021-07-10 15:26:53,739 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:53,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 48 [2021-07-10 15:26:53,751 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:53,764 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:53,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 46 [2021-07-10 15:26:53,776 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:53,804 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:53,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 54 [2021-07-10 15:26:53,816 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:53,824 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:53,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 54 [2021-07-10 15:26:53,835 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:53,844 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:53,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 46 [2021-07-10 15:26:53,857 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:53,866 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:53,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 62 [2021-07-10 15:26:53,877 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:53,887 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:53,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 58 [2021-07-10 15:26:53,899 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:53,908 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:53,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 66 [2021-07-10 15:26:53,920 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:53,929 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:53,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 54 [2021-07-10 15:26:53,942 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:53,951 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:53,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 62 [2021-07-10 15:26:53,962 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:53,970 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:53,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 54 [2021-07-10 15:26:53,983 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:53,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 56 [2021-07-10 15:26:53,991 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:54,260 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 83 [2021-07-10 15:26:54,261 INFO L628 ElimStorePlain]: treesize reduction 264, result has 52.9 percent of original size [2021-07-10 15:26:54,266 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:54,266 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:54,266 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 21 treesize of output 13 [2021-07-10 15:26:54,267 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:54,272 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:54,272 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:54,272 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 [2021-07-10 15:26:54,274 INFO L550 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-10 15:26:54,278 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:54,278 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:54,279 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 25 treesize of output 17 [2021-07-10 15:26:54,280 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:54,284 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:54,284 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:54,285 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 [2021-07-10 15:26:54,286 INFO L550 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-10 15:26:54,290 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:26:54,290 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 21 treesize of output 13 [2021-07-10 15:26:54,291 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:54,390 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:26:54,394 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, End of recursive call: and 7 xjuncts. [2021-07-10 15:26:54,394 INFO L247 ElimStorePlain]: Needed 18 recursive calls to eliminate 8 variables, input treesize:1205, output treesize:203 [2021-07-10 15:26:54,643 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2021-07-10 15:26:54,788 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:26:54,788 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1775997817] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:26:54,788 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:26:54,789 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 48 [2021-07-10 15:26:54,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740554743] [2021-07-10 15:26:54,789 INFO L462 AbstractCegarLoop]: Interpolant automaton has 48 states [2021-07-10 15:26:54,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:26:54,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-07-10 15:26:54,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=2131, Unknown=0, NotChecked=0, Total=2256 [2021-07-10 15:26:54,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:26:54,790 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:26:54,790 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 48 states, 48 states have (on average 1.2291666666666667) internal successors, (59), 48 states have internal predecessors, (59), 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) [2021-07-10 15:26:54,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:26:54,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:54,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:54,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:54,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:54,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:54,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:26:54,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:54,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 15:26:54,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:54,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:54,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:26:54,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:26:54,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 15:26:54,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:26:54,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:26:54,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:26:54,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 15:26:54,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:26:56,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:26:56,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:56,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:56,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:56,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:56,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:56,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:26:56,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:56,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 15:26:56,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:56,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:56,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:26:56,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:26:56,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 15:26:56,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:26:56,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:26:56,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:26:56,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 15:26:56,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 15:26:56,279 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable269 [2021-07-10 15:26:56,279 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:26:56,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:26:56,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1509234960, now seen corresponding path program 16 times [2021-07-10 15:26:56,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:26:56,280 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257239898] [2021-07-10 15:26:56,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:26:56,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:26:56,986 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:26:56,986 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:26:56,986 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257239898] [2021-07-10 15:26:56,986 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257239898] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:26:56,986 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1728507298] [2021-07-10 15:26:56,986 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 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 [2021-07-10 15:26:57,034 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 15:26:57,034 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:26:57,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 37 conjunts are in the unsatisfiable core [2021-07-10 15:26:57,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:26:57,803 INFO L354 Elim1Store]: treesize reduction 100, result has 17.4 percent of original size [2021-07-10 15:26:57,803 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 6 new quantified variables, introduced 15 case distinctions, treesize of input 53 treesize of output 59 [2021-07-10 15:26:57,806 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:57,823 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-10 15:26:57,823 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 6 new quantified variables, introduced 15 case distinctions, treesize of input 43 treesize of output 31 [2021-07-10 15:26:57,826 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 15:26:57,871 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:26:57,872 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 15:26:57,880 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 15:26:57,880 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 7 variables, input treesize:167, output treesize:53 [2021-07-10 15:26:57,948 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 21 proven. 28 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-07-10 15:26:57,948 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1728507298] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:26:57,948 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:26:57,948 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 18] total 41 [2021-07-10 15:26:57,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945782652] [2021-07-10 15:26:57,948 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-07-10 15:26:57,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:26:57,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-07-10 15:26:57,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=1497, Unknown=0, NotChecked=0, Total=1640 [2021-07-10 15:26:57,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:26:57,949 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:26:57,949 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 41 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:26:57,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:26:57,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:57,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:57,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:57,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:26:57,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:57,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:26:57,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:57,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 15:26:57,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:26:57,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:26:57,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:26:57,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:26:57,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 15:26:57,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:26:57,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:26:57,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:26:57,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 15:26:57,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 15:26:57,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:27:01,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:27:01,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:27:01,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:27:01,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:27:01,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:27:01,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:27:01,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:27:01,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:27:01,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 15:27:01,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:27:01,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:27:01,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:27:01,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:27:01,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 15:27:01,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:27:01,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:27:01,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:27:01,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 15:27:01,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 15:27:01,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 15:27:02,140 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable302 [2021-07-10 15:27:02,140 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:27:02,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:27:02,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1688420564, now seen corresponding path program 17 times [2021-07-10 15:27:02,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:27:02,140 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492164703] [2021-07-10 15:27:02,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:27:02,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:27:03,765 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 7 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:27:03,766 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:27:03,766 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492164703] [2021-07-10 15:27:03,766 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492164703] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:27:03,766 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2069366] [2021-07-10 15:27:03,766 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 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 [2021-07-10 15:27:03,819 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-10 15:27:03,819 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:27:03,821 WARN L261 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 138 conjunts are in the unsatisfiable core [2021-07-10 15:27:03,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:27:05,023 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-07-10 15:27:05,324 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-07-10 15:27:05,668 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-07-10 15:27:06,019 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2021-07-10 15:27:06,453 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2021-07-10 15:27:06,895 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-07-10 15:27:07,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,015 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:07,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,021 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:07,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,024 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:07,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,025 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:07,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,030 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:07,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:07,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:07,039 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:07,046 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:07,051 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:07,054 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:07,059 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:07,061 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:07,061 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:07,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 99 [2021-07-10 15:27:07,064 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:27:07,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,076 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:07,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,087 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:07,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,090 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:07,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,091 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:07,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,096 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:07,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,097 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:07,097 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:07,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 91 [2021-07-10 15:27:07,099 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 15:27:07,250 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-07-10 15:27:07,251 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:27:07,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,260 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:07,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,267 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:07,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,268 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:07,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,273 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:07,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,275 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:07,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,278 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:07,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,279 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:07,287 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:07,295 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:07,305 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:07,312 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:07,313 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:07,317 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:07,318 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:07,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 83 [2021-07-10 15:27:07,321 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 15:27:07,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,331 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:07,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,339 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:07,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,340 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:07,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,345 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:07,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,347 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:07,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,351 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:07,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:07,353 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:07,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 91 [2021-07-10 15:27:07,355 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 15:27:07,487 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-07-10 15:27:07,487 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:27:07,492 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-07-10 15:27:07,492 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:618, output treesize:368 [2021-07-10 15:27:08,105 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 158 [2021-07-10 15:27:08,487 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 158 [2021-07-10 15:27:08,842 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 158 [2021-07-10 15:27:09,239 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 158 [2021-07-10 15:27:09,617 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 158 [2021-07-10 15:27:09,993 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 158 [2021-07-10 15:27:10,097 INFO L446 ElimStorePlain]: Different costs {7=[array_0], 406=[array_2]} [2021-07-10 15:27:10,117 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:10,125 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 69 treesize of output 53 [2021-07-10 15:27:10,128 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:27:10,151 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:10,157 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 79 treesize of output 61 [2021-07-10 15:27:10,160 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 15:27:10,178 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:10,185 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 83 treesize of output 65 [2021-07-10 15:27:10,188 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 15:27:10,214 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:10,218 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 89 treesize of output 69 [2021-07-10 15:27:10,221 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 15:27:10,238 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:10,245 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 71 treesize of output 55 [2021-07-10 15:27:10,248 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 15:27:10,262 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:10,269 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 93 treesize of output 73 [2021-07-10 15:27:10,271 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 15:27:10,285 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:10,291 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 79 treesize of output 61 [2021-07-10 15:27:10,294 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 15:27:10,298 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 81 treesize of output 63 [2021-07-10 15:27:10,300 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 15:27:10,448 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2021-07-10 15:27:10,448 INFO L628 ElimStorePlain]: treesize reduction 146, result has 55.9 percent of original size [2021-07-10 15:27:10,452 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:10,452 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:10,453 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 22 treesize of output 14 [2021-07-10 15:27:10,453 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-10 15:27:10,457 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:10,457 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:10,457 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 22 treesize of output 14 [2021-07-10 15:27:10,458 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-10 15:27:10,462 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:10,462 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:10,462 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 10 treesize of output 6 [2021-07-10 15:27:10,464 INFO L550 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-10 15:27:10,468 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:10,468 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 25 treesize of output 17 [2021-07-10 15:27:10,469 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-10 15:27:10,526 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:27:10,529 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-07-10 15:27:10,529 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 6 variables, input treesize:823, output treesize:107 [2021-07-10 15:27:10,795 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:27:10,795 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2069366] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:27:10,795 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:27:10,795 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 27] total 53 [2021-07-10 15:27:10,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706797727] [2021-07-10 15:27:10,796 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-07-10 15:27:10,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:27:10,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-07-10 15:27:10,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=2590, Unknown=0, NotChecked=0, Total=2756 [2021-07-10 15:27:10,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:27:10,797 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:27:10,797 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 1.2264150943396226) internal successors, (65), 53 states have internal predecessors, (65), 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) [2021-07-10 15:27:10,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:27:10,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:27:10,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:27:10,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:27:10,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:27:10,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:27:10,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:27:10,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:27:10,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 15:27:10,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:27:10,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:27:10,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:27:10,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:27:10,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 15:27:10,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:27:10,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:27:10,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:27:10,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 15:27:10,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 15:27:10,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 15:27:10,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:27:11,839 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 99 [2021-07-10 15:27:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:27:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:27:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:27:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:27:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:27:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:27:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:27:11,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:27:11,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 15:27:11,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:27:11,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:27:11,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:27:11,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:27:11,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 15:27:11,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:27:11,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:27:11,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:27:11,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 15:27:11,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 15:27:11,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 15:27:11,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 15:27:12,188 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable319,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:27:12,188 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:27:12,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:27:12,188 INFO L82 PathProgramCache]: Analyzing trace with hash 1007560036, now seen corresponding path program 18 times [2021-07-10 15:27:12,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:27:12,189 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853487062] [2021-07-10 15:27:12,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:27:12,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:27:12,393 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 28 proven. 36 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-07-10 15:27:12,393 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:27:12,393 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853487062] [2021-07-10 15:27:12,393 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853487062] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:27:12,393 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [831581535] [2021-07-10 15:27:12,393 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 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 [2021-07-10 15:27:12,446 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-10 15:27:12,447 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:27:12,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 42 conjunts are in the unsatisfiable core [2021-07-10 15:27:12,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:27:12,985 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-07-10 15:27:12,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 50 treesize of output 36 [2021-07-10 15:27:12,988 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:27:13,067 INFO L354 Elim1Store]: treesize reduction 144, result has 14.8 percent of original size [2021-07-10 15:27:13,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 60 treesize of output 68 [2021-07-10 15:27:13,071 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 15:27:13,120 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:27:13,121 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 15:27:13,133 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 15:27:13,133 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 8 variables, input treesize:191, output treesize:53 [2021-07-10 15:27:13,173 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 28 proven. 36 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-07-10 15:27:13,174 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [831581535] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:27:13,174 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:27:13,174 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 28 [2021-07-10 15:27:13,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629825675] [2021-07-10 15:27:13,174 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-10 15:27:13,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:27:13,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-10 15:27:13,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=606, Unknown=0, NotChecked=0, Total=756 [2021-07-10 15:27:13,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:27:13,175 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:27:13,175 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.5) internal successors, (42), 28 states have internal predecessors, (42), 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) [2021-07-10 15:27:13,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:27:13,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:27:13,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:27:13,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:27:13,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:27:13,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:27:13,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:27:13,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:27:13,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 15:27:13,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:27:13,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:27:13,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:27:13,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:27:13,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 15:27:13,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:27:13,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:27:13,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:27:13,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 15:27:13,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 15:27:13,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 15:27:13,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 15:27:13,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:27:14,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:27:14,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:27:14,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:27:14,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:27:14,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:27:14,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:27:14,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:27:14,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:27:14,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 15:27:14,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:27:14,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:27:14,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:27:14,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:27:14,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 15:27:14,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:27:14,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:27:14,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:27:14,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 15:27:14,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 15:27:14,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 15:27:14,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 15:27:14,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 15:27:14,800 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable366,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:27:14,800 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:27:14,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:27:14,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1655366872, now seen corresponding path program 19 times [2021-07-10 15:27:14,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:27:14,801 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384684886] [2021-07-10 15:27:14,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:27:14,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:27:15,317 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 14 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:27:15,317 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:27:15,317 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384684886] [2021-07-10 15:27:15,317 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384684886] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:27:15,318 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1194440853] [2021-07-10 15:27:15,318 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 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 [2021-07-10 15:27:15,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:27:15,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 56 conjunts are in the unsatisfiable core [2021-07-10 15:27:15,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:27:15,817 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:15,817 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:15,818 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 16 treesize of output 12 [2021-07-10 15:27:15,818 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:27:15,821 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:15,821 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 15 treesize of output 11 [2021-07-10 15:27:15,822 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 15:27:15,843 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:27:15,845 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-07-10 15:27:15,845 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:65, output treesize:51 [2021-07-10 15:27:16,323 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:16,324 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 17 treesize of output 13 [2021-07-10 15:27:16,324 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:27:16,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-10 15:27:16,327 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 15:27:16,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 15:27:16,330 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 15:27:16,332 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 16 treesize of output 12 [2021-07-10 15:27:16,333 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 15:27:16,354 INFO L628 ElimStorePlain]: treesize reduction 30, result has 38.8 percent of original size [2021-07-10 15:27:16,354 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 15:27:16,355 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 15:27:16,355 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:87, output treesize:13 [2021-07-10 15:27:16,406 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 8 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:27:16,406 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1194440853] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:27:16,406 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:27:16,406 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 48 [2021-07-10 15:27:16,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628144029] [2021-07-10 15:27:16,406 INFO L462 AbstractCegarLoop]: Interpolant automaton has 48 states [2021-07-10 15:27:16,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:27:16,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-07-10 15:27:16,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=2130, Unknown=0, NotChecked=0, Total=2256 [2021-07-10 15:27:16,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:27:16,407 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:27:16,407 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 48 states, 48 states have (on average 1.3125) internal successors, (63), 48 states have internal predecessors, (63), 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) [2021-07-10 15:27:16,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:27:16,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:27:16,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:27:16,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:27:16,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:27:16,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:27:16,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:27:16,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:27:16,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 15:27:16,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:27:16,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:27:16,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:27:16,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:27:16,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 15:27:16,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:27:16,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:27:16,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:27:16,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 15:27:16,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 15:27:16,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 15:27:16,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 15:27:16,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 15:27:16,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:27:19,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:27:19,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:27:19,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:27:19,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:27:19,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:27:19,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:27:19,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:27:19,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:27:19,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 15:27:19,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:27:19,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:27:19,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:27:19,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:27:19,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 15:27:19,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:27:19,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:27:19,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:27:19,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 15:27:19,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 15:27:19,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 15:27:19,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 15:27:19,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 15:27:19,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:27:20,116 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable385,24 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:27:20,117 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:27:20,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:27:20,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1000764616, now seen corresponding path program 20 times [2021-07-10 15:27:20,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:27:20,117 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966034328] [2021-07-10 15:27:20,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:27:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:27:22,517 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:27:22,517 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:27:22,517 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966034328] [2021-07-10 15:27:22,517 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966034328] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:27:22,517 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1425747143] [2021-07-10 15:27:22,518 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 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:27:22,585 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 15:27:22,585 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:27:22,588 WARN L261 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 153 conjunts are in the unsatisfiable core [2021-07-10 15:27:22,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:27:24,101 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-07-10 15:27:24,412 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-07-10 15:27:24,764 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2021-07-10 15:27:25,207 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2021-07-10 15:27:25,654 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-07-10 15:27:26,186 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-07-10 15:27:26,707 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2021-07-10 15:27:26,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,786 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:26,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,791 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:26,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,798 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:26,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,801 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:26,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,806 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:26,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,810 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:26,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,814 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:26,814 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:26,819 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:26,824 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:26,836 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:26,840 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:26,846 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:26,850 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:26,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:26,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:26,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 28 disjoint index pairs (out of 120 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 103 [2021-07-10 15:27:26,857 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:27:26,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,863 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:26,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,869 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:26,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,877 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:26,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,880 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:26,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,885 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:26,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,889 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:26,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:26,893 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:26,893 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:26,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 28 disjoint index pairs (out of 120 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 95 [2021-07-10 15:27:26,895 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 15:27:27,045 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2021-07-10 15:27:27,046 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:27:27,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,061 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:27,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,065 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:27,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,071 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:27,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,074 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:27,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,081 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:27,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,083 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:27,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,086 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:27,087 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:27,096 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:27,104 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:27,109 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:27,113 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:27,121 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:27,124 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:27,127 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:27,128 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:27,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 28 disjoint index pairs (out of 120 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 105 [2021-07-10 15:27:27,131 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 15:27:27,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,144 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:27,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,149 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:27,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,154 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:27,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,157 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:27,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,163 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:27,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,166 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:27,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:27,169 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:27,170 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:27,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 28 disjoint index pairs (out of 120 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 103 [2021-07-10 15:27:27,172 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 15:27:27,275 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-07-10 15:27:27,275 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:27:27,280 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-07-10 15:27:27,280 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:643, output treesize:355 [2021-07-10 15:27:27,993 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 162 [2021-07-10 15:27:28,480 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 162 [2021-07-10 15:27:28,989 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 162 [2021-07-10 15:27:29,469 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 162 [2021-07-10 15:27:29,978 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 162 [2021-07-10 15:27:30,486 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 162 [2021-07-10 15:27:31,015 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 162 [2021-07-10 15:27:31,114 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_118, array_0, v_prenex_120, v_prenex_116], 36=[v_prenex_119, array_2, v_prenex_121, v_prenex_117]} [2021-07-10 15:27:31,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 68 [2021-07-10 15:27:31,123 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:27:31,317 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 153 [2021-07-10 15:27:31,318 INFO L628 ElimStorePlain]: treesize reduction 298, result has 49.5 percent of original size [2021-07-10 15:27:31,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 70 [2021-07-10 15:27:31,325 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 15:27:31,375 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:27:31,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 64 [2021-07-10 15:27:31,382 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 15:27:31,417 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:27:31,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 64 [2021-07-10 15:27:31,423 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 15:27:31,445 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:27:31,445 INFO L518 ElimStorePlain]: Eliminatee v_prenex_119 vanished before elimination [2021-07-10 15:27:31,448 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:31,449 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 10 treesize of output 6 [2021-07-10 15:27:31,450 INFO L550 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-10 15:27:31,473 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:27:31,476 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:31,476 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 [2021-07-10 15:27:31,478 INFO L550 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-10 15:27:31,499 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:27:31,501 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:31,502 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 [2021-07-10 15:27:31,503 INFO L550 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-10 15:27:31,523 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:27:31,525 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 8 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-10 15:27:31,525 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 12 variables, input treesize:664, output treesize:38 [2021-07-10 15:27:31,674 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:27:31,675 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1425747143] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:27:31,675 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:27:31,675 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 29] total 58 [2021-07-10 15:27:31,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998824652] [2021-07-10 15:27:31,675 INFO L462 AbstractCegarLoop]: Interpolant automaton has 58 states [2021-07-10 15:27:31,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:27:31,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-07-10 15:27:31,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=3157, Unknown=0, NotChecked=0, Total=3306 [2021-07-10 15:27:31,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:27:31,676 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:27:31,676 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 58 states, 58 states have (on average 1.2241379310344827) internal successors, (71), 58 states have internal predecessors, (71), 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) [2021-07-10 15:27:31,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:27:31,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:27:31,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:27:31,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:27:31,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:27:31,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:27:31,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:27:31,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:27:31,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 15:27:31,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:27:31,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:27:31,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:27:31,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:27:31,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 15:27:31,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:27:31,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:27:31,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:27:31,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 15:27:31,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 15:27:31,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 15:27:31,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 15:27:31,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 15:27:31,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:27:31,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:27:33,328 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 63 [2021-07-10 15:27:34,170 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 119 [2021-07-10 15:27:34,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:27:34,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:27:34,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:27:34,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:27:34,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:27:34,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:27:34,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:27:34,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:27:34,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 15:27:34,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:27:34,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:27:34,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:27:34,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:27:34,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 15:27:34,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:27:34,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:27:34,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:27:34,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 15:27:34,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 15:27:34,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 15:27:34,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 15:27:34,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 15:27:34,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:27:34,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 15:27:34,672 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable394,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:27:34,673 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:27:34,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:27:34,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1070384016, now seen corresponding path program 21 times [2021-07-10 15:27:34,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:27:34,673 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683334678] [2021-07-10 15:27:34,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:27:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:27:34,881 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 36 proven. 45 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-07-10 15:27:34,881 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:27:34,881 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683334678] [2021-07-10 15:27:34,881 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683334678] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:27:34,881 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645611965] [2021-07-10 15:27:34,881 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 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:27:34,959 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-10 15:27:34,959 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:27:34,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 67 conjunts are in the unsatisfiable core [2021-07-10 15:27:34,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:27:36,568 INFO L354 Elim1Store]: treesize reduction 224, result has 0.4 percent of original size [2021-07-10 15:27:36,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 57 treesize of output 41 [2021-07-10 15:27:36,571 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:27:36,667 INFO L354 Elim1Store]: treesize reduction 196, result has 12.9 percent of original size [2021-07-10 15:27:36,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 67 treesize of output 77 [2021-07-10 15:27:36,670 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 15:27:36,724 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:27:36,724 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 15:27:36,734 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 15:27:36,734 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 9 variables, input treesize:215, output treesize:43 [2021-07-10 15:27:36,776 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 36 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:27:36,776 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1645611965] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:27:36,776 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:27:36,776 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 30] total 39 [2021-07-10 15:27:36,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212935913] [2021-07-10 15:27:36,776 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-10 15:27:36,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:27:36,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-10 15:27:36,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=1201, Unknown=0, NotChecked=0, Total=1482 [2021-07-10 15:27:36,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:27:36,777 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:27:36,777 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 39 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) [2021-07-10 15:27:36,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:27:36,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:27:36,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:27:36,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:27:36,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:27:36,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:27:36,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:27:36,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:27:36,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 15:27:36,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:27:36,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:27:36,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:27:36,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:27:36,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 15:27:36,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:27:36,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:27:36,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:27:36,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 15:27:36,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 15:27:36,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 15:27:36,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 15:27:36,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 15:27:36,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:27:36,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 15:27:36,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:27:41,082 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2021-07-10 15:27:43,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:27:43,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:27:43,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:27:43,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:27:43,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:27:43,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:27:43,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:27:43,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:27:43,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 15:27:43,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:27:43,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:27:43,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:27:43,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:27:43,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 15:27:43,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:27:43,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:27:43,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:27:43,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 15:27:43,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 15:27:43,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 15:27:43,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 15:27:43,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 15:27:43,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:27:43,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 15:27:43,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 15:27:43,254 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable445 [2021-07-10 15:27:43,254 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:27:43,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:27:43,254 INFO L82 PathProgramCache]: Analyzing trace with hash -692057044, now seen corresponding path program 22 times [2021-07-10 15:27:43,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:27:43,254 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044287952] [2021-07-10 15:27:43,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:27:43,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:27:43,893 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 16 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:27:43,893 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:27:43,893 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044287952] [2021-07-10 15:27:43,894 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044287952] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:27:43,894 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638398399] [2021-07-10 15:27:43,894 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 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:27:43,944 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 15:27:43,944 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:27:43,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 62 conjunts are in the unsatisfiable core [2021-07-10 15:27:43,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:27:44,506 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:44,507 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:44,507 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 15 treesize of output 11 [2021-07-10 15:27:44,508 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:27:44,510 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:44,511 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 16 treesize of output 12 [2021-07-10 15:27:44,511 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 15:27:44,534 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:27:44,536 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-07-10 15:27:44,536 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:65, output treesize:51 [2021-07-10 15:27:45,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 15:27:45,101 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:27:45,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-10 15:27:45,104 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 15:27:45,106 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:45,106 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 17 treesize of output 13 [2021-07-10 15:27:45,107 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 15:27:45,109 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 16 treesize of output 12 [2021-07-10 15:27:45,109 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 15:27:45,131 INFO L628 ElimStorePlain]: treesize reduction 30, result has 38.8 percent of original size [2021-07-10 15:27:45,131 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 15:27:45,132 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 15:27:45,132 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:87, output treesize:13 [2021-07-10 15:27:45,185 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 9 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:27:45,185 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1638398399] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:27:45,185 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:27:45,185 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31] total 53 [2021-07-10 15:27:45,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369780070] [2021-07-10 15:27:45,185 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-07-10 15:27:45,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:27:45,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-07-10 15:27:45,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=2608, Unknown=0, NotChecked=0, Total=2756 [2021-07-10 15:27:45,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:27:45,186 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:27:45,187 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 1.2830188679245282) internal successors, (68), 53 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) [2021-07-10 15:27:45,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:27:45,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:27:45,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:27:45,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:27:45,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:27:45,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:27:45,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:27:45,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:27:45,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 15:27:45,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:27:45,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:27:45,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:27:45,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:27:45,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 15:27:45,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:27:45,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:27:45,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:27:45,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 15:27:45,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 15:27:45,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 15:27:45,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 15:27:45,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 15:27:45,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:27:45,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 15:27:45,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 15:27:45,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:27:49,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:27:49,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:27:49,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:27:49,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:27:49,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:27:49,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:27:49,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:27:49,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:27:49,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 15:27:49,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:27:49,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:27:49,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:27:49,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:27:49,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 15:27:49,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:27:49,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:27:49,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:27:49,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 15:27:49,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 15:27:49,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 15:27:49,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 15:27:49,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 15:27:49,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:27:49,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 15:27:49,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 15:27:49,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 15:27:49,705 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable465 [2021-07-10 15:27:49,705 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:27:49,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:27:49,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1916900012, now seen corresponding path program 23 times [2021-07-10 15:27:49,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:27:49,706 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432659537] [2021-07-10 15:27:49,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:27:49,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:27:52,060 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 21 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:27:52,061 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:27:52,061 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432659537] [2021-07-10 15:27:52,061 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432659537] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:27:52,061 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [944423155] [2021-07-10 15:27:52,061 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 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:27:52,123 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-10 15:27:52,123 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:27:52,125 WARN L261 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 174 conjunts are in the unsatisfiable core [2021-07-10 15:27:52,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:27:53,815 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-07-10 15:27:54,183 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2021-07-10 15:27:54,640 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2021-07-10 15:27:55,089 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2021-07-10 15:27:55,603 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2021-07-10 15:27:56,139 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2021-07-10 15:27:56,717 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2021-07-10 15:27:57,358 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2021-07-10 15:27:57,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,498 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,504 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,517 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,526 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,527 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,531 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,535 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,537 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,537 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,540 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,550 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,564 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,578 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,580 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,587 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,592 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,595 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,596 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 115 [2021-07-10 15:27:57,599 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:27:57,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,607 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,614 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,627 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,635 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,637 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,641 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,645 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,648 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,648 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 123 [2021-07-10 15:27:57,651 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 15:27:57,842 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2021-07-10 15:27:57,842 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:27:57,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,852 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,864 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,869 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,871 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,876 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,880 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,883 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,886 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,887 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,894 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,907 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,915 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,926 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,930 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,934 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,937 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,939 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 107 [2021-07-10 15:27:57,941 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 15:27:57,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,950 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,963 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,967 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,969 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,975 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,978 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,982 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,984 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:27:57,985 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:27:57,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 115 [2021-07-10 15:27:57,988 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 15:27:58,130 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2021-07-10 15:27:58,130 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:27:58,136 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-07-10 15:27:58,136 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:762, output treesize:440 [2021-07-10 15:27:58,884 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 188 [2021-07-10 15:27:59,332 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 188 [2021-07-10 15:27:59,777 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 188 [2021-07-10 15:28:00,248 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 188 [2021-07-10 15:28:00,703 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 188 [2021-07-10 15:28:01,146 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 188 [2021-07-10 15:28:01,607 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 188 [2021-07-10 15:28:02,093 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 188 [2021-07-10 15:28:02,210 INFO L446 ElimStorePlain]: Different costs {9=[array_0], 666=[array_2]} [2021-07-10 15:28:02,245 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:28:02,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 75 [2021-07-10 15:28:02,259 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:28:02,298 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:28:02,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 69 [2021-07-10 15:28:02,304 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 15:28:02,334 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:28:02,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 83 [2021-07-10 15:28:02,341 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 15:28:02,374 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:28:02,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 75 [2021-07-10 15:28:02,380 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 15:28:02,410 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:28:02,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 77 [2021-07-10 15:28:02,416 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 15:28:02,446 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:28:02,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 79 [2021-07-10 15:28:02,454 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 15:28:02,481 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:28:02,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 87 [2021-07-10 15:28:02,489 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 15:28:02,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 67 [2021-07-10 15:28:02,496 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 15:28:02,641 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2021-07-10 15:28:02,642 INFO L628 ElimStorePlain]: treesize reduction 140, result has 56.8 percent of original size [2021-07-10 15:28:02,646 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:28:02,646 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:28:02,646 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 [2021-07-10 15:28:02,648 INFO L550 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-10 15:28:02,651 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:28:02,652 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:28:02,652 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 21 treesize of output 13 [2021-07-10 15:28:02,653 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-10 15:28:02,656 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:28:02,656 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:28:02,657 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 22 treesize of output 14 [2021-07-10 15:28:02,657 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-10 15:28:02,660 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:28:02,661 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 24 treesize of output 16 [2021-07-10 15:28:02,661 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-10 15:28:02,716 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:28:02,719 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-07-10 15:28:02,719 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 6 variables, input treesize:967, output treesize:109 [2021-07-10 15:28:03,044 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:28:03,044 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [944423155] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:28:03,044 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:28:03,044 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 33] total 65 [2021-07-10 15:28:03,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404321788] [2021-07-10 15:28:03,045 INFO L462 AbstractCegarLoop]: Interpolant automaton has 65 states [2021-07-10 15:28:03,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:28:03,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2021-07-10 15:28:03,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=3941, Unknown=0, NotChecked=0, Total=4160 [2021-07-10 15:28:03,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:28:03,046 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:28:03,046 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 65 states, 65 states have (on average 1.1846153846153846) internal successors, (77), 65 states have internal predecessors, (77), 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) [2021-07-10 15:28:03,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:28:03,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:28:03,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:28:03,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:28:03,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:28:03,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:28:03,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:28:03,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:28:03,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 15:28:03,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:28:03,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:28:03,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:28:03,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:28:03,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 15:28:03,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:28:03,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:28:03,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:28:03,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 15:28:03,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 15:28:03,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 15:28:03,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 15:28:03,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 15:28:03,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:28:03,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 15:28:03,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 15:28:03,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 15:28:03,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:28:04,676 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 73 [2021-07-10 15:28:05,326 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 134 [2021-07-10 15:28:05,587 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 75 [2021-07-10 15:28:05,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:28:05,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:28:05,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:28:05,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:28:05,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:28:05,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:28:05,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:28:05,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:28:05,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 15:28:05,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:28:05,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:28:05,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:28:05,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:28:05,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 15:28:05,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:28:05,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:28:05,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:28:05,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 15:28:05,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 15:28:05,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 15:28:05,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 15:28:05,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 15:28:05,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:28:05,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 15:28:05,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 15:28:05,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 15:28:05,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:28:06,013 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable474 [2021-07-10 15:28:06,013 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:28:06,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:28:06,013 INFO L82 PathProgramCache]: Analyzing trace with hash 796727724, now seen corresponding path program 24 times [2021-07-10 15:28:06,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:28:06,013 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378445882] [2021-07-10 15:28:06,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:28:06,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:28:06,265 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 55 proven. 56 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-07-10 15:28:06,266 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:28:06,266 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378445882] [2021-07-10 15:28:06,266 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378445882] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:28:06,266 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000539824] [2021-07-10 15:28:06,266 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 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:28:06,330 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-10 15:28:06,330 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:28:06,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 53 conjunts are in the unsatisfiable core [2021-07-10 15:28:06,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:28:13,968 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 26 [2021-07-10 15:28:13,968 INFO L354 Elim1Store]: treesize reduction 256, result has 11.4 percent of original size [2021-07-10 15:28:13,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 74 treesize of output 86 [2021-07-10 15:28:13,972 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:28:14,016 INFO L354 Elim1Store]: treesize reduction 288, result has 0.3 percent of original size [2021-07-10 15:28:14,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 64 treesize of output 46 [2021-07-10 15:28:14,019 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 15:28:14,087 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:28:14,088 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 15:28:14,099 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 15:28:14,099 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 10 variables, input treesize:239, output treesize:43 [2021-07-10 15:28:14,147 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 55 proven. 56 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-07-10 15:28:14,148 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2000539824] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:28:14,148 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:28:14,148 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 35 [2021-07-10 15:28:14,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365210610] [2021-07-10 15:28:14,148 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-10 15:28:14,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:28:14,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-10 15:28:14,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=954, Unknown=2, NotChecked=0, Total=1190 [2021-07-10 15:28:14,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:28:14,149 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:28:14,149 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 1.4) internal successors, (49), 35 states have internal predecessors, (49), 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) [2021-07-10 15:28:14,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 15:28:14,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:28:14,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:28:14,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:28:14,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 15:28:14,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:28:14,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:28:14,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:28:14,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 15:28:14,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 15:28:14,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:28:14,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:28:14,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 15:28:14,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 15:28:14,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:28:14,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:28:14,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 15:28:14,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 15:28:14,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 15:28:14,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 15:28:14,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 15:28:14,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 15:28:14,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:28:14,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 15:28:14,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 15:28:14,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 15:28:14,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 15:28:14,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:28:29,124 WARN L205 SmtUtils]: Spent 13.13 s on a formula simplification. DAG size of input: 85 DAG size of output: 65 [2021-07-10 15:28:44,892 WARN L205 SmtUtils]: Spent 13.20 s on a formula simplification. DAG size of input: 85 DAG size of output: 65 [2021-07-10 15:29:06,810 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-07-10 15:29:07,011 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable527,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:29:07,012 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:626) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:173) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:140) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:360) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:388) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:281) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:200) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.search(SleepSetNewStateReduction.java:159) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.(SleepSetNewStateReduction.java:111) at de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction.applyNewStateReduction(PersistentSetReduction.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:193) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:509) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:238) ... 52 more [2021-07-10 15:29:07,015 INFO L168 Benchmark]: Toolchain (without parser) took 184048.20 ms. Allocated memory was 198.2 MB in the beginning and 470.8 MB in the end (delta: 272.6 MB). Free memory was 178.1 MB in the beginning and 339.3 MB in the end (delta: -161.2 MB). Peak memory consumption was 111.3 MB. Max. memory is 8.0 GB. [2021-07-10 15:29:07,015 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 198.2 MB. Free memory is still 179.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 15:29:07,015 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.53 ms. Allocated memory is still 198.2 MB. Free memory was 178.0 MB in the beginning and 176.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-10 15:29:07,015 INFO L168 Benchmark]: Boogie Preprocessor took 15.66 ms. Allocated memory is still 198.2 MB. Free memory was 176.5 MB in the beginning and 175.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 15:29:07,015 INFO L168 Benchmark]: RCFGBuilder took 404.76 ms. Allocated memory is still 198.2 MB. Free memory was 175.4 MB in the beginning and 153.5 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-07-10 15:29:07,015 INFO L168 Benchmark]: TraceAbstraction took 183594.86 ms. Allocated memory was 198.2 MB in the beginning and 470.8 MB in the end (delta: 272.6 MB). Free memory was 153.0 MB in the beginning and 339.3 MB in the end (delta: -186.2 MB). Peak memory consumption was 86.1 MB. Max. memory is 8.0 GB. [2021-07-10 15:29:07,016 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 0.10 ms. Allocated memory is still 198.2 MB. Free memory is still 179.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 27.53 ms. Allocated memory is still 198.2 MB. Free memory was 178.0 MB in the beginning and 176.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 15.66 ms. Allocated memory is still 198.2 MB. Free memory was 176.5 MB in the beginning and 175.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 404.76 ms. Allocated memory is still 198.2 MB. Free memory was 175.4 MB in the beginning and 153.5 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 183594.86 ms. Allocated memory was 198.2 MB in the beginning and 470.8 MB in the end (delta: 272.6 MB). Free memory was 153.0 MB in the beginning and 339.3 MB in the end (delta: -186.2 MB). Peak memory consumption was 86.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...