/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 22:59:20,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 22:59:20,022 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 22:59:20,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-06 22:59:20,061 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-06 22:59:20,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-06 22:59:20,065 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-06 22:59:20,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-06 22:59:20,072 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-06 22:59:20,076 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-06 22:59:20,077 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-06 22:59:20,078 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-06 22:59:20,078 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 22:59:20,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 22:59:20,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 22:59:20,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 22:59:20,084 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 22:59:20,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 22:59:20,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 22:59:20,092 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 22:59:20,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 22:59:20,094 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 22:59:20,095 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 22:59:20,096 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 22:59:20,102 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-06 22:59:20,102 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-06 22:59:20,102 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-06 22:59:20,104 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-06 22:59:20,104 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-06 22:59:20,105 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-06 22:59:20,105 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-06 22:59:20,106 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-06 22:59:20,107 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-06 22:59:20,107 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-06 22:59:20,108 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-06 22:59:20,108 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-06 22:59:20,109 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-06 22:59:20,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-06 22:59:20,109 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 22:59:20,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 22:59:20,110 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 22:59:20,118 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-DelaySleep-NoLbe-Random521.epf [2021-06-06 22:59:20,152 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 22:59:20,152 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 22:59:20,152 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 22:59:20,153 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 22:59:20,155 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 22:59:20,155 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 22:59:20,155 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 22:59:20,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 22:59:20,155 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 22:59:20,155 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 22:59:20,156 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 22:59:20,156 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 22:59:20,156 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 22:59:20,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 22:59:20,157 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 22:59:20,157 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 22:59:20,157 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 22:59:20,157 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 22:59:20,157 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 22:59:20,157 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 22:59:20,157 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 22:59:20,157 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 22:59:20,157 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 22:59:20,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 22:59:20,158 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 22:59:20,158 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 22:59:20,158 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 22:59:20,158 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 22:59:20,158 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 22:59:20,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 22:59:20,158 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 22:59:20,158 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 22:59:20,159 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 22:59:20,159 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 22:59:20,159 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 22:59:20,159 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 22:59:20,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 22:59:20,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 22:59:20,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 22:59:20,490 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 22:59:20,491 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 22:59:20,492 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl [2021-06-06 22:59:20,493 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl' [2021-06-06 22:59:20,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 22:59:20,515 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 22:59:20,516 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 22:59:20,516 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 22:59:20,516 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 22:59:20,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:59:20" (1/1) ... [2021-06-06 22:59:20,540 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:59:20" (1/1) ... [2021-06-06 22:59:20,548 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 22:59:20,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 22:59:20,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 22:59:20,550 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 22:59:20,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:59:20" (1/1) ... [2021-06-06 22:59:20,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:59:20" (1/1) ... [2021-06-06 22:59:20,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:59:20" (1/1) ... [2021-06-06 22:59:20,559 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:59:20" (1/1) ... [2021-06-06 22:59:20,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:59:20" (1/1) ... [2021-06-06 22:59:20,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:59:20" (1/1) ... [2021-06-06 22:59:20,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:59:20" (1/1) ... [2021-06-06 22:59:20,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 22:59:20,575 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 22:59:20,576 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 22:59:20,576 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 22:59:20,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:59:20" (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 [2021-06-06 22:59:20,644 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 22:59:20,645 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 22:59:20,645 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 22:59:20,645 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 22:59:20,645 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 22:59:20,645 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 22:59:20,645 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 22:59:20,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 22:59:20,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 22:59:20,645 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-06 22:59:20,646 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-06 22:59:20,646 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-06 22:59:20,646 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 22:59:20,808 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 22:59:20,808 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 22:59:20,810 INFO L202 PluginConnector]: Adding new model max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 10:59:20 BoogieIcfgContainer [2021-06-06 22:59:20,810 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 22:59:20,811 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 22:59:20,811 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 22:59:20,814 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 22:59:20,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:59:20" (1/2) ... [2021-06-06 22:59:20,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46d7033e and model type max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 10:59:20, skipping insertion in model container [2021-06-06 22:59:20,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 10:59:20" (2/2) ... [2021-06-06 22:59:20,816 INFO L111 eAbstractionObserver]: Analyzing ICFG max-fun.wvr.bpl [2021-06-06 22:59:20,820 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 22:59:20,820 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 22:59:20,821 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 22:59:20,821 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 22:59:20,856 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-06 22:59:20,874 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 [2021-06-06 22:59:20,945 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 22:59:20,945 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 22:59:20,945 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 22:59:20,945 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 22:59:20,945 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 22:59:20,945 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 22:59:20,946 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 22:59:20,946 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 22:59:20,986 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:59:20,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:59:20,990 INFO L82 PathProgramCache]: Analyzing trace with hash -1550547830, now seen corresponding path program 1 times [2021-06-06 22:59:20,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:59:20,997 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484235689] [2021-06-06 22:59:20,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:59:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:59:21,148 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:59:21,148 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:59:21,149 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484235689] [2021-06-06 22:59:21,149 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484235689] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 22:59:21,149 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 22:59:21,149 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 22:59:21,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064167004] [2021-06-06 22:59:21,154 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-06 22:59:21,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:59:21,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-06 22:59:21,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-06 22:59:21,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:59:21,166 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:59:21,167 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:59:21,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:59:21,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:59:21,222 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 22:59:21,223 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:59:21,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:59:21,223 INFO L82 PathProgramCache]: Analyzing trace with hash -769335896, now seen corresponding path program 1 times [2021-06-06 22:59:21,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:59:21,224 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117329776] [2021-06-06 22:59:21,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:59:21,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:59:21,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 22:59:21,268 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:59:21,268 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117329776] [2021-06-06 22:59:21,268 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117329776] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 22:59:21,268 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 22:59:21,268 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 22:59:21,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922458634] [2021-06-06 22:59:21,270 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 22:59:21,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:59:21,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 22:59:21,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 22:59:21,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:59:21,272 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:59:21,272 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:59:21,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:59:21,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:59:21,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:59:21,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:59:21,313 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 22:59:21,313 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:59:21,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:59:21,313 INFO L82 PathProgramCache]: Analyzing trace with hash -1369203574, now seen corresponding path program 1 times [2021-06-06 22:59:21,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:59:21,314 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673023919] [2021-06-06 22:59:21,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:59:21,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:59:21,418 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 22:59:21,418 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:59:21,418 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673023919] [2021-06-06 22:59:21,419 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673023919] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:59:21,419 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1678870713] [2021-06-06 22:59:21,419 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 [2021-06-06 22:59:21,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:59:21,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-06 22:59:21,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:59:21,617 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 22:59:21,618 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1678870713] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:59:21,618 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:59:21,618 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-06-06 22:59:21,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608674816] [2021-06-06 22:59:21,619 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 22:59:21,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:59:21,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 22:59:21,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-06 22:59:21,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:59:21,620 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:59:21,620 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 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) [2021-06-06 22:59:21,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:59:21,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:59:21,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:59:21,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:59:21,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:59:21,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:59:21,921 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:59:21,921 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:59:21,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:59:21,923 INFO L82 PathProgramCache]: Analyzing trace with hash -54118744, now seen corresponding path program 2 times [2021-06-06 22:59:21,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:59:21,923 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253285776] [2021-06-06 22:59:21,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:59:21,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:59:22,811 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:59:22,811 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:59:22,811 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253285776] [2021-06-06 22:59:22,812 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253285776] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:59:22,812 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442260089] [2021-06-06 22:59:22,812 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:59:22,862 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 22:59:22,863 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:59:22,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-06 22:59:22,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:59:24,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:59:24,315 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:59:24,315 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 35 [2021-06-06 22:59:24,318 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:59:24,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:59:24,344 INFO L354 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2021-06-06 22:59:24,344 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 24 [2021-06-06 22:59:24,347 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 22:59:24,580 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-06-06 22:59:24,582 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:59:24,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:59:24,615 INFO L354 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2021-06-06 22:59:24,615 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 25 [2021-06-06 22:59:24,621 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 22:59:24,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:59:24,647 INFO L354 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2021-06-06 22:59:24,648 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 28 [2021-06-06 22:59:24,650 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 22:59:24,869 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-06-06 22:59:24,872 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:59:24,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:59:24,897 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:59:24,898 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 35 [2021-06-06 22:59:24,905 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 22:59:24,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:59:24,930 INFO L354 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2021-06-06 22:59:24,930 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 28 [2021-06-06 22:59:24,940 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 22:59:25,136 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-06-06 22:59:25,137 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:59:25,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:59:25,161 INFO L354 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2021-06-06 22:59:25,162 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 21 [2021-06-06 22:59:25,166 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 22:59:25,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:59:25,186 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:59:25,186 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 26 [2021-06-06 22:59:25,200 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 22:59:25,362 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-06-06 22:59:25,362 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:59:25,440 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 4 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-06-06 22:59:25,441 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 9 variables, input treesize:381, output treesize:514 [2021-06-06 22:59:25,901 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-06-06 22:59:26,171 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2021-06-06 22:59:26,311 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:59:26,311 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [442260089] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:59:26,311 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:59:26,311 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-06 22:59:26,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276244855] [2021-06-06 22:59:26,312 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-06 22:59:26,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:59:26,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-06 22:59:26,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=318, Unknown=0, NotChecked=0, Total=380 [2021-06-06 22:59:26,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:59:26,314 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:59:26,314 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.5) internal successors, (50), 20 states have internal predecessors, (50), 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) [2021-06-06 22:59:26,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:59:26,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:59:26,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:59:26,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:59:26,937 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 58 [2021-06-06 22:59:27,157 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 57 [2021-06-06 22:59:27,567 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-06-06 22:59:28,063 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 102 [2021-06-06 22:59:28,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:59:28,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:59:28,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:59:28,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:59:28,427 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:59:28,428 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:59:28,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:59:28,428 INFO L82 PathProgramCache]: Analyzing trace with hash 102177892, now seen corresponding path program 3 times [2021-06-06 22:59:28,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:59:28,428 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880383304] [2021-06-06 22:59:28,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:59:28,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:59:28,504 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:59:28,504 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:59:28,504 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880383304] [2021-06-06 22:59:28,504 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880383304] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:59:28,504 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1936995035] [2021-06-06 22:59:28,505 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:59:28,547 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-06 22:59:28,548 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:59:28,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-06 22:59:28,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:59:28,717 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:59:28,717 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1936995035] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:59:28,717 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:59:28,717 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-06-06 22:59:28,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122790315] [2021-06-06 22:59:28,718 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-06 22:59:28,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:59:28,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-06 22:59:28,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2021-06-06 22:59:28,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:59:28,719 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:59:28,719 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 2.6842105263157894) internal successors, (51), 19 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:59:28,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:59:28,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:59:28,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:59:28,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:59:28,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:59:29,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:59:29,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:59:29,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:59:29,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:59:29,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 22:59:29,292 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:59:29,293 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:59:29,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:59:29,293 INFO L82 PathProgramCache]: Analyzing trace with hash 1968974090, now seen corresponding path program 4 times [2021-06-06 22:59:29,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:59:29,293 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809080028] [2021-06-06 22:59:29,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:59:29,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:59:29,370 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 13 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 22:59:29,371 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:59:29,371 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809080028] [2021-06-06 22:59:29,371 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809080028] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:59:29,371 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1279134933] [2021-06-06 22:59:29,371 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:59:29,405 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 22:59:29,405 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:59:29,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 22:59:29,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:59:29,538 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 13 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 22:59:29,538 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1279134933] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:59:29,538 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:59:29,538 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-06-06 22:59:29,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845516572] [2021-06-06 22:59:29,540 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-06 22:59:29,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:59:29,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-06 22:59:29,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-06-06 22:59:29,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:59:29,540 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:59:29,545 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 3.0) internal successors, (51), 17 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:59:29,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:59:29,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:59:29,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:59:29,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:59:29,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 22:59:29,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:59:29,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:59:29,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:59:29,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:59:29,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:59:29,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 22:59:29,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:59:29,888 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable74 [2021-06-06 22:59:29,888 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:59:29,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:59:29,889 INFO L82 PathProgramCache]: Analyzing trace with hash 100828712, now seen corresponding path program 5 times [2021-06-06 22:59:29,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:59:29,889 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740103139] [2021-06-06 22:59:29,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:59:30,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:59:30,965 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 41 [2021-06-06 22:59:31,310 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 63 [2021-06-06 22:59:31,438 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 141 [2021-06-06 22:59:32,079 WARN L205 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 104 [2021-06-06 22:59:32,326 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 206 [2021-06-06 22:59:33,296 WARN L205 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 128 [2021-06-06 22:59:33,517 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 201 [2021-06-06 22:59:34,410 WARN L205 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 123 [2021-06-06 22:59:35,037 WARN L205 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 161 [2021-06-06 22:59:35,553 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 81 [2021-06-06 22:59:35,687 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 114 [2021-06-06 22:59:35,949 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 65 [2021-06-06 22:59:36,389 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:59:36,390 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:59:36,390 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740103139] [2021-06-06 22:59:36,390 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740103139] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:59:36,390 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910218415] [2021-06-06 22:59:36,390 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 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 [2021-06-06 22:59:36,462 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-06 22:59:36,462 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:59:36,463 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-06 22:59:36,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:59:38,548 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 119 [2021-06-06 22:59:41,333 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 355 [2021-06-06 22:59:44,819 WARN L205 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 406 DAG size of output: 370 [2021-06-06 22:59:48,153 WARN L205 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 412 DAG size of output: 374 [2021-06-06 22:59:51,525 WARN L205 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 418 DAG size of output: 378 [2021-06-06 22:59:52,961 WARN L205 SmtUtils]: Spent 973.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2021-06-06 22:59:54,274 WARN L205 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 367 [2021-06-06 22:59:55,655 WARN L205 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 366 [2021-06-06 22:59:56,584 INFO L446 ElimStorePlain]: Different costs {9=[v_prenex_180, v_prenex_182, v_prenex_161, v_prenex_184, v_prenex_164, v_prenex_186, v_prenex_188, v_prenex_166, v_prenex_200, v_prenex_168, v_prenex_202, v_prenex_204, v_prenex_149, v_prenex_190, v_prenex_170, v_prenex_192, v_prenex_172, v_prenex_194, v_prenex_151, v_prenex_196, v_prenex_174, v_prenex_153, v_prenex_198, v_prenex_176, v_prenex_155, v_prenex_210, v_prenex_178, v_prenex_159, v_prenex_206, A, v_prenex_208], 15=[v_prenex_157]} [2021-06-06 22:59:56,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:59:56,632 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:59:56,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:59:56,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:59:56,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:59:56,640 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:59:56,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 22 [2021-06-06 22:59:56,661 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:59:56,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:59:56,707 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:59:56,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:59:56,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:59:56,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:59:56,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 22 [2021-06-06 22:59:56,714 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:03,765 WARN L205 SmtUtils]: Spent 7.05 s on a formula simplification. DAG size of input: 799 DAG size of output: 749 [2021-06-06 23:00:03,766 INFO L628 ElimStorePlain]: treesize reduction 1191, result has 69.4 percent of original size [2021-06-06 23:00:03,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:03,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:03,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:03,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:03,826 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 23:00:03,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 23:00:03,830 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:06,721 WARN L205 SmtUtils]: Spent 2.89 s on a formula simplification that was a NOOP. DAG size: 736 [2021-06-06 23:00:06,721 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 23:00:06,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:06,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:06,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:06,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:06,786 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 42 treesize of output 22 [2021-06-06 23:00:06,788 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:06,823 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 23:00:06,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:06,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:06,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:06,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:06,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 23:00:06,832 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:09,604 WARN L205 SmtUtils]: Spent 2.77 s on a formula simplification that was a NOOP. DAG size: 723 [2021-06-06 23:00:09,605 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 23:00:09,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:09,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:09,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:09,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:09,667 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 40 treesize of output 22 [2021-06-06 23:00:09,670 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:09,712 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 23:00:09,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:09,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:09,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:09,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:09,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-06-06 23:00:09,724 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:12,220 WARN L205 SmtUtils]: Spent 2.50 s on a formula simplification that was a NOOP. DAG size: 708 [2021-06-06 23:00:12,221 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 23:00:12,265 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 23:00:12,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:12,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:12,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:12,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:12,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 23:00:12,275 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:14,800 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification that was a NOOP. DAG size: 693 [2021-06-06 23:00:14,800 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 23:00:14,836 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 23:00:14,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:14,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:14,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:14,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:14,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 23:00:14,844 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:17,339 WARN L205 SmtUtils]: Spent 2.49 s on a formula simplification that was a NOOP. DAG size: 678 [2021-06-06 23:00:17,340 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 23:00:17,368 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 23:00:17,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:17,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:17,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:17,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:17,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-06-06 23:00:17,385 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:19,816 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification that was a NOOP. DAG size: 665 [2021-06-06 23:00:19,817 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 23:00:19,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 23:00:19,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:19,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:19,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:19,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:19,863 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 23:00:19,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 23:00:19,884 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:19,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:19,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:19,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:19,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:19,925 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 42 treesize of output 22 [2021-06-06 23:00:19,930 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:22,122 WARN L205 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 648 [2021-06-06 23:00:22,122 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 23:00:22,151 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 23:00:22,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:22,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:22,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:22,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:22,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 23:00:22,160 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:24,313 WARN L205 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 633 [2021-06-06 23:00:24,313 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 23:00:24,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:24,342 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 23:00:24,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:24,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:24,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:24,351 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 23:00:24,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 23:00:24,368 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:24,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:24,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:24,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:24,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:24,413 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 42 treesize of output 22 [2021-06-06 23:00:24,415 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:26,482 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 616 [2021-06-06 23:00:26,482 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 23:00:26,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:26,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:26,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:26,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:26,542 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 42 treesize of output 22 [2021-06-06 23:00:26,544 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:26,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:26,574 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 23:00:26,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:26,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:26,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:26,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 23:00:26,581 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:28,528 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 599 [2021-06-06 23:00:28,529 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 23:00:28,558 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 23:00:28,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:28,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:28,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:28,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:28,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-06 23:00:28,567 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:30,463 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 584 [2021-06-06 23:00:30,463 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 23:00:30,488 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 23:00:30,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:30,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:30,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:30,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:30,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-06 23:00:30,495 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:32,358 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 569 [2021-06-06 23:00:32,361 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 23:00:32,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:32,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:32,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:32,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:32,408 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 42 treesize of output 22 [2021-06-06 23:00:32,410 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:32,444 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 23:00:32,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:32,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:32,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:32,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:32,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 23:00:32,453 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:34,303 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 552 [2021-06-06 23:00:34,304 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 23:00:34,329 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 23:00:34,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:34,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:34,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:34,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:34,335 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 23:00:34,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-06-06 23:00:34,356 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:34,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:34,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:34,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:34,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:34,396 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 40 treesize of output 22 [2021-06-06 23:00:34,398 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:36,038 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 535 [2021-06-06 23:00:36,038 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 23:00:36,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:36,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:36,064 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 23:00:36,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:36,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:36,069 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 23:00:36,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 23:00:36,083 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:36,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:36,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:36,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:36,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:36,115 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 42 treesize of output 22 [2021-06-06 23:00:36,118 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:37,699 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification that was a NOOP. DAG size: 520 [2021-06-06 23:00:37,700 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 23:00:37,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:37,732 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 23:00:37,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:37,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:37,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:37,737 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 23:00:37,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-06-06 23:00:37,752 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:37,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:37,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:37,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:37,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:37,781 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 36 treesize of output 22 [2021-06-06 23:00:37,783 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:39,265 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 503 [2021-06-06 23:00:39,265 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 23:00:39,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:39,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:39,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:39,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:39,310 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 42 treesize of output 22 [2021-06-06 23:00:39,312 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:39,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:39,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:39,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:39,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:39,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:39,341 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 23:00:39,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 23:00:39,343 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:40,693 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 486 [2021-06-06 23:00:40,693 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 23:00:40,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:40,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:40,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:40,716 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 23:00:40,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:40,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-06 23:00:40,720 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:42,066 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 471 [2021-06-06 23:00:42,067 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 23:00:42,087 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 23:00:42,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:42,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:42,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:42,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:42,092 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 23:00:42,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-06 23:00:42,107 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:42,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:42,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:42,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:42,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:42,140 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 40 treesize of output 22 [2021-06-06 23:00:42,142 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:43,384 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 454 [2021-06-06 23:00:43,384 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 23:00:43,405 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 23:00:43,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:43,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:43,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:43,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:43,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-06 23:00:43,414 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:44,643 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 439 [2021-06-06 23:00:44,643 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 23:00:44,662 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 23:00:44,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:44,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:44,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:44,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:44,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 23:00:44,671 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:45,835 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 424 [2021-06-06 23:00:45,836 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 23:00:45,855 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 23:00:45,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:45,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:45,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:45,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:45,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 23:00:45,861 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:46,976 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 409 [2021-06-06 23:00:46,977 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 23:00:46,996 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 23:00:46,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:46,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:46,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:47,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:47,001 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 23:00:47,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2021-06-06 23:00:47,015 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:47,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:47,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:47,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:47,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:47,037 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 38 treesize of output 22 [2021-06-06 23:00:47,041 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:48,090 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 392 [2021-06-06 23:00:48,091 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 23:00:48,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:48,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:48,111 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 23:00:48,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:48,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:48,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-06 23:00:48,128 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:49,194 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 377 [2021-06-06 23:00:49,194 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 23:00:49,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:49,213 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 23:00:49,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:49,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:49,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:49,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 23:00:49,218 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:50,213 WARN L205 SmtUtils]: Spent 994.00 ms on a formula simplification that was a NOOP. DAG size: 362 [2021-06-06 23:00:50,214 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 23:00:50,231 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 23:00:50,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:50,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:50,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:50,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:50,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-06 23:00:50,237 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:51,191 WARN L205 SmtUtils]: Spent 953.00 ms on a formula simplification that was a NOOP. DAG size: 347 [2021-06-06 23:00:51,191 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 23:00:51,207 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 23:00:51,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:51,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:51,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:51,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:51,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-06 23:00:51,213 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:52,116 WARN L205 SmtUtils]: Spent 902.00 ms on a formula simplification that was a NOOP. DAG size: 332 [2021-06-06 23:00:52,117 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 23:00:52,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:52,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:52,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:52,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:52,150 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 42 treesize of output 22 [2021-06-06 23:00:52,153 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:52,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:52,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:52,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:52,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:52,173 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 23:00:52,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-06 23:00:52,175 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:53,027 WARN L205 SmtUtils]: Spent 851.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2021-06-06 23:00:53,027 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 23:00:53,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:53,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:53,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:53,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:53,056 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 40 treesize of output 22 [2021-06-06 23:00:53,059 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:53,073 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 23:00:53,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:53,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:53,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:53,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:53,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-06-06 23:00:53,079 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:53,870 WARN L205 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2021-06-06 23:00:53,870 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 23:00:53,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:53,885 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 23:00:53,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:53,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:53,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:53,889 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 23:00:53,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-06 23:00:53,903 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:53,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:53,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:53,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:53,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:53,923 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 38 treesize of output 22 [2021-06-06 23:00:53,924 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:54,619 WARN L205 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 281 [2021-06-06 23:00:54,619 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 23:00:54,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:54,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:54,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:54,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:54,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:54,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:54,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:54,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:54,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:54,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:00:54,640 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 32 treesize of output 16 [2021-06-06 23:00:54,642 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-06 23:00:55,314 WARN L205 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-06-06 23:00:55,314 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 23:00:55,360 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 32 dim-1 vars, End of recursive call: and 23 xjuncts. [2021-06-06 23:00:55,360 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 96 variables, input treesize:3985, output treesize:246 [2021-06-06 23:00:55,614 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 23:00:55,614 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [910218415] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:00:55,614 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 23:00:55,614 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-06-06 23:00:55,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999716236] [2021-06-06 23:00:55,615 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-06 23:00:55,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 23:00:55,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-06 23:00:55,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=895, Unknown=0, NotChecked=0, Total=992 [2021-06-06 23:00:55,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:00:55,616 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 23:00:55,616 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.3125) internal successors, (74), 32 states have internal predecessors, (74), 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) [2021-06-06 23:00:55,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 23:00:55,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 23:00:55,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 23:00:55,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 23:00:55,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 23:00:55,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 23:00:55,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:00:56,060 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 36 [2021-06-06 23:00:56,449 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 47 [2021-06-06 23:00:56,884 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 64 [2021-06-06 23:00:57,210 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 72 [2021-06-06 23:00:57,611 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 73 [2021-06-06 23:00:57,921 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 85 [2021-06-06 23:00:58,904 WARN L205 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 511 DAG size of output: 128 [2021-06-06 23:01:01,527 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 230 DAG size of output: 123 [2021-06-06 23:01:06,252 WARN L205 SmtUtils]: Spent 4.45 s on a formula simplification. DAG size of input: 533 DAG size of output: 162 [2021-06-06 23:01:06,600 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-06-06 23:01:06,901 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2021-06-06 23:01:07,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 23:01:07,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 23:01:07,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 23:01:07,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 23:01:07,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 23:01:07,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 23:01:07,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 23:01:07,441 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 23:01:07,441 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 23:01:07,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 23:01:07,441 INFO L82 PathProgramCache]: Analyzing trace with hash 109450182, now seen corresponding path program 6 times [2021-06-06 23:01:07,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 23:01:07,442 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536625471] [2021-06-06 23:01:07,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 23:01:07,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 23:01:07,600 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 23:01:07,600 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 23:01:07,600 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536625471] [2021-06-06 23:01:07,600 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536625471] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:01:07,600 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899564909] [2021-06-06 23:01:07,600 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 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 [2021-06-06 23:01:07,643 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-06 23:01:07,643 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 23:01:07,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-06 23:01:07,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 23:01:07,978 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 25 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 23:01:07,978 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1899564909] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:01:07,978 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 23:01:07,978 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 29 [2021-06-06 23:01:07,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860179937] [2021-06-06 23:01:07,979 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-06 23:01:07,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 23:01:07,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-06 23:01:07,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=656, Unknown=0, NotChecked=0, Total=812 [2021-06-06 23:01:07,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:01:07,980 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 23:01:07,980 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.4482758620689653) internal successors, (71), 29 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) [2021-06-06 23:01:07,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 23:01:07,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 23:01:07,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 23:01:07,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 23:01:07,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 23:01:07,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 23:01:07,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 23:01:07,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:01:09,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 23:01:09,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 23:01:09,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 23:01:09,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 23:01:09,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 23:01:09,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 23:01:09,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 23:01:09,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-06 23:01:09,416 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable231,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 23:01:09,416 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 23:01:09,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 23:01:09,417 INFO L82 PathProgramCache]: Analyzing trace with hash -661749494, now seen corresponding path program 7 times [2021-06-06 23:01:09,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 23:01:09,417 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600956789] [2021-06-06 23:01:09,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 23:01:09,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 23:01:09,541 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 31 proven. 41 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 23:01:09,541 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 23:01:09,541 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600956789] [2021-06-06 23:01:09,541 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600956789] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:01:09,542 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [817715604] [2021-06-06 23:01:09,542 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 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 [2021-06-06 23:01:09,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 23:01:09,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-06 23:01:09,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 23:01:09,745 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 31 proven. 41 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 23:01:09,745 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [817715604] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:01:09,745 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 23:01:09,745 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 23 [2021-06-06 23:01:09,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457843679] [2021-06-06 23:01:09,746 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-06 23:01:09,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 23:01:09,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-06 23:01:09,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=364, Unknown=0, NotChecked=0, Total=506 [2021-06-06 23:01:09,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:01:09,746 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 23:01:09,747 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.739130434782609) internal successors, (63), 23 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) [2021-06-06 23:01:09,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 23:01:09,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 23:01:09,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 23:01:09,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 23:01:09,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 23:01:09,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 23:01:09,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 23:01:09,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-06 23:01:09,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:01:09,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 23:01:09,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 23:01:09,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 23:01:09,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 23:01:09,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 23:01:09,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 23:01:09,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 23:01:09,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-06 23:01:09,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 23:01:10,153 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable232 [2021-06-06 23:01:10,153 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 23:01:10,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 23:01:10,154 INFO L82 PathProgramCache]: Analyzing trace with hash -1618157528, now seen corresponding path program 8 times [2021-06-06 23:01:10,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 23:01:10,154 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575482226] [2021-06-06 23:01:10,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 23:01:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 23:01:13,913 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 145 [2021-06-06 23:01:14,166 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 54 [2021-06-06 23:03:38,372 WARN L205 SmtUtils]: Spent 2.40 m on a formula simplification. DAG size of input: 435 DAG size of output: 157 [2021-06-06 23:03:38,794 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 89 [2021-06-06 23:07:28,815 WARN L205 SmtUtils]: Spent 3.83 m on a formula simplification. DAG size of input: 553 DAG size of output: 268 [2021-06-06 23:07:29,684 WARN L205 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 115 [2021-06-06 23:12:27,058 WARN L205 SmtUtils]: Spent 4.96 m on a formula simplification. DAG size of input: 633 DAG size of output: 375 [2021-06-06 23:12:28,259 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 375 DAG size of output: 142 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown