/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788 [2021-06-02 01:16:46,735 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-02 01:16:46,737 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-02 01:16:46,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-02 01:16:46,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-02 01:16:46,762 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-02 01:16:46,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-02 01:16:46,764 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-02 01:16:46,765 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-02 01:16:46,766 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-02 01:16:46,767 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-02 01:16:46,768 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-02 01:16:46,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-02 01:16:46,769 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-02 01:16:46,770 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-02 01:16:46,770 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-02 01:16:46,771 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-02 01:16:46,772 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-02 01:16:46,773 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-02 01:16:46,775 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-02 01:16:46,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-02 01:16:46,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-02 01:16:46,778 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-02 01:16:46,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-02 01:16:46,781 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-02 01:16:46,781 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-02 01:16:46,781 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-02 01:16:46,782 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-02 01:16:46,782 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-02 01:16:46,783 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-02 01:16:46,784 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-02 01:16:46,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-02 01:16:46,785 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-02 01:16:46,786 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-02 01:16:46,786 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-02 01:16:46,787 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-02 01:16:46,787 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-02 01:16:46,788 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-02 01:16:46,788 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-02 01:16:46,789 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-02 01:16:46,789 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-02 01:16:46,790 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.epf [2021-06-02 01:16:46,809 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-02 01:16:46,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-02 01:16:46,810 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-02 01:16:46,810 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-02 01:16:46,811 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-02 01:16:46,811 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-02 01:16:46,811 INFO L138 SettingsManager]: * Use SBE=true [2021-06-02 01:16:46,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-02 01:16:46,811 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-02 01:16:46,812 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-02 01:16:46,812 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-02 01:16:46,812 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-02 01:16:46,812 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-02 01:16:46,812 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-02 01:16:46,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-02 01:16:46,812 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-02 01:16:46,813 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-02 01:16:46,813 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-02 01:16:46,813 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-02 01:16:46,813 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-02 01:16:46,813 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-02 01:16:46,813 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-02 01:16:46,813 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-02 01:16:46,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-02 01:16:46,814 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-02 01:16:46,814 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-02 01:16:46,814 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-02 01:16:46,814 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-02 01:16:46,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-02 01:16:46,814 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-02 01:16:46,815 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-02 01:16:46,815 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-02 01:16:46,815 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-02 01:16:46,815 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-02 01:16:47,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-02 01:16:47,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-02 01:16:47,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-02 01:16:47,113 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-02 01:16:47,116 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-02 01:16:47,117 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl [2021-06-02 01:16:47,117 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl' [2021-06-02 01:16:47,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-02 01:16:47,153 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-02 01:16:47,156 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-02 01:16:47,159 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-02 01:16:47,160 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-02 01:16:47,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 01:16:47" (1/1) ... [2021-06-02 01:16:47,173 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 01:16:47" (1/1) ... [2021-06-02 01:16:47,180 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-02 01:16:47,181 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-02 01:16:47,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-02 01:16:47,181 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-02 01:16:47,188 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 01:16:47" (1/1) ... [2021-06-02 01:16:47,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 01:16:47" (1/1) ... [2021-06-02 01:16:47,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 01:16:47" (1/1) ... [2021-06-02 01:16:47,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 01:16:47" (1/1) ... [2021-06-02 01:16:47,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 01:16:47" (1/1) ... [2021-06-02 01:16:47,194 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 01:16:47" (1/1) ... [2021-06-02 01:16:47,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 01:16:47" (1/1) ... [2021-06-02 01:16:47,199 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-02 01:16:47,202 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-02 01:16:47,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-02 01:16:47,202 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-02 01:16:47,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 01:16:47" (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 [2021-06-02 01:16:47,276 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-02 01:16:47,276 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-02 01:16:47,276 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-02 01:16:47,276 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-02 01:16:47,276 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-02 01:16:47,276 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-02 01:16:47,276 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-02 01:16:47,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-02 01:16:47,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-02 01:16:47,277 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-02 01:16:47,277 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-02 01:16:47,278 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-02 01:16:47,278 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-02 01:16:47,463 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-02 01:16:47,464 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-02 01:16:47,465 INFO L202 PluginConnector]: Adding new model prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 01:16:47 BoogieIcfgContainer [2021-06-02 01:16:47,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-02 01:16:47,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-02 01:16:47,467 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-02 01:16:47,469 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-02 01:16:47,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 01:16:47" (1/2) ... [2021-06-02 01:16:47,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d8fc02b and model type prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 01:16:47, skipping insertion in model container [2021-06-02 01:16:47,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 01:16:47" (2/2) ... [2021-06-02 01:16:47,471 INFO L111 eAbstractionObserver]: Analyzing ICFG prod-cons-eq.wvr.bpl [2021-06-02 01:16:47,476 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-02 01:16:47,476 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-02 01:16:47,476 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-02 01:16:47,477 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-02 01:16:47,513 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-02 01:16:47,531 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) [2021-06-02 01:16:47,612 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 01:16:47,612 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 01:16:47,612 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 01:16:47,612 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 01:16:47,612 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 01:16:47,612 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 01:16:47,613 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 01:16:47,613 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-02 01:16:47,699 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:16:47,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:16:47,704 INFO L82 PathProgramCache]: Analyzing trace with hash 996154649, now seen corresponding path program 1 times [2021-06-02 01:16:47,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:16:47,711 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263052518] [2021-06-02 01:16:47,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:16:47,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:16:47,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-02 01:16:47,838 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:16:47,838 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263052518] [2021-06-02 01:16:47,839 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263052518] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 01:16:47,839 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 01:16:47,839 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-02 01:16:47,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962112947] [2021-06-02 01:16:47,843 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-02 01:16:47,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:16:47,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-02 01:16:47,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-02 01:16:47,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:16:47,871 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:16:47,872 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 01:16:47,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:16:47,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:16:47,909 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-02 01:16:47,909 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:16:47,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:16:47,910 INFO L82 PathProgramCache]: Analyzing trace with hash 626727670, now seen corresponding path program 1 times [2021-06-02 01:16:47,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:16:47,911 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192174506] [2021-06-02 01:16:47,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:16:47,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:16:48,087 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 01:16:48,087 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:16:48,087 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192174506] [2021-06-02 01:16:48,088 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192174506] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:16:48,088 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850246545] [2021-06-02 01:16:48,088 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 [2021-06-02 01:16:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:16:48,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-02 01:16:48,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:16:48,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-02 01:16:48,308 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-02 01:16:48,310 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:16:48,311 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-02 01:16:48,312 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2021-06-02 01:16:48,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-06-02 01:16:48,354 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-02 01:16:48,359 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:16:48,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-06-02 01:16:48,365 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-02 01:16:48,367 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:16:48,367 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-02 01:16:48,368 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:19, output treesize:3 [2021-06-02 01:16:48,386 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 01:16:48,387 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [850246545] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:16:48,387 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:16:48,387 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2021-06-02 01:16:48,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16770727] [2021-06-02 01:16:48,389 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-02 01:16:48,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:16:48,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-02 01:16:48,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-02 01:16:48,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:16:48,393 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:16:48,394 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 01:16:48,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:16:48,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:16:48,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:16:48,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 01:16:48,786 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:16:48,787 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:16:48,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:16:48,788 INFO L82 PathProgramCache]: Analyzing trace with hash -536046897, now seen corresponding path program 2 times [2021-06-02 01:16:48,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:16:48,788 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462546275] [2021-06-02 01:16:48,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:16:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:16:48,830 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-02 01:16:48,830 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:16:48,830 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462546275] [2021-06-02 01:16:48,830 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462546275] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 01:16:48,830 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 01:16:48,830 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-02 01:16:48,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033821967] [2021-06-02 01:16:48,831 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-02 01:16:48,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:16:48,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-02 01:16:48,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-02 01:16:48,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:16:48,832 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:16:48,832 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 01:16:48,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:16:48,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 01:16:48,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:16:48,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:16:48,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 01:16:48,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:16:48,865 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-02 01:16:48,866 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:16:48,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:16:48,867 INFO L82 PathProgramCache]: Analyzing trace with hash 1533566290, now seen corresponding path program 3 times [2021-06-02 01:16:48,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:16:48,868 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431433508] [2021-06-02 01:16:48,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:16:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:16:48,932 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-02 01:16:48,933 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:16:48,934 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431433508] [2021-06-02 01:16:48,935 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431433508] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:16:48,935 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [629597578] [2021-06-02 01:16:48,935 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 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 [2021-06-02 01:16:48,978 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-02 01:16:48,979 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 01:16:48,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-02 01:16:48,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:16:49,026 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-02 01:16:49,026 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [629597578] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:16:49,026 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:16:49,026 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3] total 5 [2021-06-02 01:16:49,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764365122] [2021-06-02 01:16:49,027 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-02 01:16:49,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:16:49,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-02 01:16:49,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-06-02 01:16:49,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:16:49,028 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:16:49,028 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 01:16:49,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:16:49,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 01:16:49,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:16:49,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:16:49,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:16:49,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 01:16:49,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:16:49,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-02 01:16:49,264 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:16:49,264 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:16:49,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:16:49,265 INFO L82 PathProgramCache]: Analyzing trace with hash 231487983, now seen corresponding path program 4 times [2021-06-02 01:16:49,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:16:49,265 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875910578] [2021-06-02 01:16:49,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:16:49,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:16:49,349 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-02 01:16:49,349 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:16:49,350 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875910578] [2021-06-02 01:16:49,350 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875910578] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:16:49,350 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44066964] [2021-06-02 01:16:49,350 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 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 [2021-06-02 01:16:49,391 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-02 01:16:49,391 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 01:16:49,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-02 01:16:49,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:16:49,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-06-02 01:16:49,473 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-02 01:16:49,475 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:16:49,475 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-02 01:16:49,477 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:4 [2021-06-02 01:16:49,489 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-02 01:16:49,489 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [44066964] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:16:49,489 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:16:49,489 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 9 [2021-06-02 01:16:49,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206908983] [2021-06-02 01:16:49,490 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-02 01:16:49,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:16:49,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-02 01:16:49,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-06-02 01:16:49,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:16:49,492 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:16:49,492 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 3.3) internal successors, (33), 9 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 01:16:49,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:16:49,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 01:16:49,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:16:49,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-02 01:16:49,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:16:49,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:16:49,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 01:16:49,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:16:49,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-02 01:16:49,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:16:49,925 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:16:49,925 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:16:49,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:16:49,925 INFO L82 PathProgramCache]: Analyzing trace with hash 2015419596, now seen corresponding path program 5 times [2021-06-02 01:16:49,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:16:49,926 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480251441] [2021-06-02 01:16:49,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:16:49,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:16:50,129 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 01:16:50,130 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:16:50,130 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480251441] [2021-06-02 01:16:50,130 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480251441] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:16:50,130 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2022759742] [2021-06-02 01:16:50,130 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 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 [2021-06-02 01:16:50,177 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-02 01:16:50,177 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 01:16:50,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-02 01:16:50,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:16:50,433 INFO L354 Elim1Store]: treesize reduction 32, result has 8.6 percent of original size [2021-06-02 01:16:50,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 27 [2021-06-02 01:16:50,435 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-02 01:16:50,439 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:16:50,441 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-02 01:16:50,441 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:45, output treesize:17 [2021-06-02 01:16:50,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2021-06-02 01:16:50,481 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-02 01:16:50,484 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:16:50,486 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-02 01:16:50,486 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:32, output treesize:25 [2021-06-02 01:16:50,529 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:16:50,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 31 [2021-06-02 01:16:50,552 INFO L550 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-02 01:16:50,559 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:16:50,571 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:16:50,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-06-02 01:16:50,574 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-02 01:16:50,579 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:16:50,581 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-02 01:16:50,581 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:31, output treesize:3 [2021-06-02 01:16:50,593 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 01:16:50,594 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2022759742] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:16:50,597 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:16:50,597 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 17 [2021-06-02 01:16:50,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989601691] [2021-06-02 01:16:50,598 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-02 01:16:50,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:16:50,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-02 01:16:50,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2021-06-02 01:16:50,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:16:50,600 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:16:50,601 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 3.0) internal successors, (54), 17 states have internal predecessors, (54), 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) [2021-06-02 01:16:50,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:16:50,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 01:16:50,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:16:50,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-02 01:16:50,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:16:50,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:16:50,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:16:50,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 01:16:50,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:16:50,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-02 01:16:50,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:16:50,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:16:51,083 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-06-02 01:16:51,083 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:16:51,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:16:51,084 INFO L82 PathProgramCache]: Analyzing trace with hash 289703755, now seen corresponding path program 6 times [2021-06-02 01:16:51,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:16:51,084 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054658078] [2021-06-02 01:16:51,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:16:51,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:16:51,199 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-02 01:16:51,199 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:16:51,199 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054658078] [2021-06-02 01:16:51,199 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054658078] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:16:51,199 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899615076] [2021-06-02 01:16:51,200 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 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 [2021-06-02 01:16:51,248 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-02 01:16:51,248 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 01:16:51,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-02 01:16:51,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:16:51,371 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:16:51,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 19 [2021-06-02 01:16:51,374 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-02 01:16:51,377 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:16:51,378 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-02 01:16:51,378 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:4 [2021-06-02 01:16:51,388 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-02 01:16:51,388 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1899615076] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:16:51,388 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:16:51,388 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 13 [2021-06-02 01:16:51,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853670287] [2021-06-02 01:16:51,389 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-02 01:16:51,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:16:51,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-02 01:16:51,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-06-02 01:16:51,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:16:51,390 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:16:51,390 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 13 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 01:16:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:16:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 01:16:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:16:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-02 01:16:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:16:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:16:51,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:16:51,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:16:51,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 01:16:51,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:16:51,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-02 01:16:51,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:16:51,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:16:51,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-02 01:16:52,085 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:16:52,085 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:16:52,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:16:52,086 INFO L82 PathProgramCache]: Analyzing trace with hash 1102781480, now seen corresponding path program 7 times [2021-06-02 01:16:52,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:16:52,086 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223976239] [2021-06-02 01:16:52,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:16:52,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:16:52,374 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 01:16:52,374 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:16:52,374 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223976239] [2021-06-02 01:16:52,375 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223976239] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:16:52,375 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1714088300] [2021-06-02 01:16:52,375 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 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 [2021-06-02 01:16:52,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:16:52,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 41 conjunts are in the unsatisfiable core [2021-06-02 01:16:52,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:16:52,566 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-06-02 01:16:52,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 37 [2021-06-02 01:16:52,568 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-02 01:16:52,570 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:16:52,570 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-02 01:16:52,570 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:57, output treesize:27 [2021-06-02 01:16:52,724 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:16:52,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 51 [2021-06-02 01:16:52,733 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-02 01:16:52,740 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:16:52,747 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-02 01:16:52,748 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:52, output treesize:45 [2021-06-02 01:16:52,954 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:16:52,954 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 43 treesize of output 47 [2021-06-02 01:16:52,991 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-02 01:16:52,999 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:16:52,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 39 [2021-06-02 01:16:53,008 INFO L550 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-02 01:16:53,026 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:16:53,047 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:16:53,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 49 [2021-06-02 01:16:53,072 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-02 01:16:53,087 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:16:53,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 45 [2021-06-02 01:16:53,104 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-02 01:16:53,127 INFO L628 ElimStorePlain]: treesize reduction 13, result has 64.9 percent of original size [2021-06-02 01:16:53,129 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-02 01:16:53,130 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:91, output treesize:3 [2021-06-02 01:16:53,144 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 01:16:53,145 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1714088300] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:16:53,145 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:16:53,145 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 22 [2021-06-02 01:16:53,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689590528] [2021-06-02 01:16:53,145 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-02 01:16:53,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:16:53,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-02 01:16:53,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2021-06-02 01:16:53,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:16:53,147 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:16:53,147 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.652173913043478) internal successors, (61), 22 states have internal predecessors, (61), 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) [2021-06-02 01:16:53,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:16:53,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 01:16:53,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:16:53,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-02 01:16:53,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:16:53,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:16:53,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-02 01:16:53,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:16:53,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:16:53,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 01:16:53,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:16:53,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-02 01:16:53,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:16:53,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:16:53,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-02 01:16:53,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-02 01:16:53,770 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-06-02 01:16:53,770 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:16:53,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:16:53,771 INFO L82 PathProgramCache]: Analyzing trace with hash 1647027594, now seen corresponding path program 8 times [2021-06-02 01:16:53,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:16:53,771 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370965992] [2021-06-02 01:16:53,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:16:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:16:53,843 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 16 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-06-02 01:16:53,843 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:16:53,843 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370965992] [2021-06-02 01:16:53,843 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370965992] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:16:53,843 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1262800476] [2021-06-02 01:16:53,843 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 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 [2021-06-02 01:16:53,881 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-02 01:16:53,881 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 01:16:53,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-02 01:16:53,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:16:53,953 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 16 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-06-02 01:16:53,954 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1262800476] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:16:53,954 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:16:53,954 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 9 [2021-06-02 01:16:53,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737123349] [2021-06-02 01:16:53,957 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-02 01:16:53,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:16:53,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-02 01:16:53,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2021-06-02 01:16:53,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:16:53,958 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:16:53,958 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 9 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) [2021-06-02 01:16:53,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:16:53,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 01:16:53,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:16:53,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-02 01:16:53,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:16:53,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:16:53,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-02 01:16:53,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-02 01:16:53,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:16:53,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:16:53,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 01:16:53,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:16:53,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-02 01:16:53,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:16:53,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:16:53,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-02 01:16:53,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-02 01:16:53,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-02 01:16:54,212 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2021-06-02 01:16:54,213 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:16:54,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:16:54,213 INFO L82 PathProgramCache]: Analyzing trace with hash 836243879, now seen corresponding path program 9 times [2021-06-02 01:16:54,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:16:54,224 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435746019] [2021-06-02 01:16:54,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:16:54,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:16:54,329 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-06-02 01:16:54,330 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:16:54,330 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435746019] [2021-06-02 01:16:54,330 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435746019] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:16:54,330 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [729466882] [2021-06-02 01:16:54,330 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:16:54,371 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-02 01:16:54,372 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 01:16:54,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-02 01:16:54,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:16:54,528 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:16:54,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 38 [2021-06-02 01:16:54,543 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-02 01:16:54,544 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:16:54,544 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-02 01:16:54,544 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:4 [2021-06-02 01:16:54,554 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-06-02 01:16:54,554 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [729466882] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:16:54,554 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:16:54,554 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 16 [2021-06-02 01:16:54,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291348705] [2021-06-02 01:16:54,555 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-02 01:16:54,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:16:54,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-02 01:16:54,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2021-06-02 01:16:54,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:16:54,555 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:16:54,556 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 3.5294117647058822) internal successors, (60), 16 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 01:16:54,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:16:54,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 01:16:54,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:16:54,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-02 01:16:54,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:16:54,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:16:54,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-02 01:16:54,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-02 01:16:54,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-02 01:16:54,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:16:55,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:16:55,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 01:16:55,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:16:55,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-02 01:16:55,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:16:55,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:16:55,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-02 01:16:55,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-02 01:16:55,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-02 01:16:55,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-02 01:16:55,325 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:16:55,325 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:16:55,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:16:55,326 INFO L82 PathProgramCache]: Analyzing trace with hash 2122979460, now seen corresponding path program 10 times [2021-06-02 01:16:55,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:16:55,326 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800721318] [2021-06-02 01:16:55,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:16:55,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:16:55,751 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 01:16:55,751 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:16:55,751 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800721318] [2021-06-02 01:16:55,752 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800721318] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:16:55,752 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [74027344] [2021-06-02 01:16:55,752 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:16:55,795 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-02 01:16:55,795 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 01:16:55,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 55 conjunts are in the unsatisfiable core [2021-06-02 01:16:55,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:16:56,019 INFO L354 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2021-06-02 01:16:56,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 80 treesize of output 52 [2021-06-02 01:16:56,021 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-02 01:16:56,023 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:16:56,023 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-02 01:16:56,023 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:80, output treesize:39 [2021-06-02 01:16:56,378 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:16:56,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 76 treesize of output 82 [2021-06-02 01:16:56,447 INFO L550 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-02 01:16:56,459 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:16:56,545 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-02 01:16:56,546 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:76, output treesize:73 [2021-06-02 01:16:57,340 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:16:57,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 47 [2021-06-02 01:16:57,351 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-02 01:16:57,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 39 [2021-06-02 01:16:57,359 INFO L550 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-02 01:16:57,368 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:16:57,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 47 [2021-06-02 01:16:57,376 INFO L550 ElimStorePlain]: Start of recursive call 4: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-02 01:16:57,388 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:16:57,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 47 [2021-06-02 01:16:57,398 INFO L550 ElimStorePlain]: Start of recursive call 5: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-02 01:16:57,416 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:16:57,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 63 [2021-06-02 01:16:57,509 INFO L550 ElimStorePlain]: Start of recursive call 6: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-02 01:16:57,567 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:16:57,607 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:16:57,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 88 [2021-06-02 01:16:57,766 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-02 01:16:57,799 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:16:57,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 84 [2021-06-02 01:16:57,888 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-02 01:16:57,926 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:16:57,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 76 [2021-06-02 01:16:57,968 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-02 01:16:57,978 INFO L354 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2021-06-02 01:16:57,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 16 [2021-06-02 01:16:57,980 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-02 01:16:58,037 INFO L354 Elim1Store]: treesize reduction 4, result has 94.2 percent of original size [2021-06-02 01:16:58,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 80 [2021-06-02 01:16:58,105 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-02 01:16:58,138 INFO L628 ElimStorePlain]: treesize reduction 74, result has 26.7 percent of original size [2021-06-02 01:16:58,141 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-02 01:16:58,141 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 7 variables, input treesize:308, output treesize:3 [2021-06-02 01:16:58,152 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 01:16:58,152 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [74027344] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:16:58,152 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:16:58,152 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20] total 30 [2021-06-02 01:16:58,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007751975] [2021-06-02 01:16:58,154 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-02 01:16:58,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:16:58,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-02 01:16:58,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=846, Unknown=0, NotChecked=0, Total=930 [2021-06-02 01:16:58,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:16:58,155 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:16:58,156 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.4838709677419355) internal successors, (77), 30 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 01:16:58,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:16:58,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 01:16:58,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:16:58,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-02 01:16:58,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:16:58,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:16:58,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-02 01:16:58,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-02 01:16:58,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-02 01:16:58,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-02 01:16:58,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:16:58,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:16:58,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 01:16:58,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:16:58,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-02 01:16:58,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:16:58,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:16:58,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-02 01:16:58,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-02 01:16:58,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-02 01:16:58,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-02 01:16:58,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-02 01:16:58,857 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:16:58,858 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:16:58,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:16:58,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1902353702, now seen corresponding path program 11 times [2021-06-02 01:16:58,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:16:58,858 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755018708] [2021-06-02 01:16:58,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:16:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:16:58,945 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 25 proven. 28 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-06-02 01:16:58,945 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:16:58,945 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755018708] [2021-06-02 01:16:58,945 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755018708] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:16:58,945 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1268775383] [2021-06-02 01:16:58,945 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:16:58,996 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-02 01:16:58,997 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 01:16:58,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-02 01:16:58,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:16:59,091 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 25 proven. 28 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-06-02 01:16:59,091 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1268775383] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:16:59,091 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:16:59,091 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6] total 11 [2021-06-02 01:16:59,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054902687] [2021-06-02 01:16:59,091 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-02 01:16:59,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:16:59,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-02 01:16:59,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2021-06-02 01:16:59,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:16:59,092 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:16:59,092 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 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) [2021-06-02 01:16:59,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:16:59,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 01:16:59,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:16:59,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-02 01:16:59,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:16:59,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:16:59,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-02 01:16:59,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-02 01:16:59,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-02 01:16:59,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-02 01:16:59,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-02 01:16:59,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:16:59,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:16:59,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 01:16:59,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:16:59,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-02 01:16:59,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:16:59,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:16:59,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-02 01:16:59,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-02 01:16:59,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-02 01:16:59,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-02 01:16:59,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-02 01:16:59,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:16:59,354 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable271 [2021-06-02 01:16:59,354 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:16:59,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:16:59,355 INFO L82 PathProgramCache]: Analyzing trace with hash -211728125, now seen corresponding path program 12 times [2021-06-02 01:16:59,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:16:59,355 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848725073] [2021-06-02 01:16:59,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:16:59,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:16:59,499 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 73 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-06-02 01:16:59,499 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:16:59,499 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848725073] [2021-06-02 01:16:59,499 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848725073] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:16:59,499 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2012045762] [2021-06-02 01:16:59,499 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:16:59,557 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-06-02 01:16:59,557 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 01:16:59,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-02 01:16:59,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:16:59,785 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:16:59,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 24 treesize of output 65 [2021-06-02 01:16:59,811 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-02 01:16:59,813 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:16:59,813 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-02 01:16:59,814 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:24, output treesize:4 [2021-06-02 01:16:59,823 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 73 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-06-02 01:16:59,823 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2012045762] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:16:59,824 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:16:59,824 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 19 [2021-06-02 01:16:59,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996180815] [2021-06-02 01:16:59,825 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-02 01:16:59,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:16:59,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-02 01:16:59,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=336, Unknown=0, NotChecked=0, Total=380 [2021-06-02 01:16:59,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:16:59,826 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:16:59,826 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 3.6) internal successors, (72), 19 states have internal predecessors, (72), 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) [2021-06-02 01:16:59,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:16:59,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 01:16:59,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:16:59,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-02 01:16:59,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:16:59,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:16:59,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-02 01:16:59,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-02 01:16:59,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-02 01:16:59,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-02 01:16:59,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-02 01:16:59,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:16:59,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:17:00,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:17:00,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 01:17:00,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:17:00,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-02 01:17:00,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:17:00,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:17:00,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-02 01:17:00,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-02 01:17:00,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-02 01:17:00,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-02 01:17:00,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-02 01:17:00,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:17:00,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-02 01:17:00,635 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable272,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:17:00,635 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:17:00,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:17:00,635 INFO L82 PathProgramCache]: Analyzing trace with hash 1605386720, now seen corresponding path program 13 times [2021-06-02 01:17:00,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:17:00,635 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828866850] [2021-06-02 01:17:00,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:17:00,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:17:01,266 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 01:17:01,267 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:17:01,267 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828866850] [2021-06-02 01:17:01,267 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828866850] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:17:01,267 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1775026272] [2021-06-02 01:17:01,267 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:17:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:17:01,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 69 conjunts are in the unsatisfiable core [2021-06-02 01:17:01,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:17:01,646 INFO L354 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2021-06-02 01:17:01,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 105 treesize of output 69 [2021-06-02 01:17:01,648 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-02 01:17:01,650 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:17:01,650 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-02 01:17:01,650 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:105, output treesize:53 [2021-06-02 01:17:02,309 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:17:02,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 104 treesize of output 121 [2021-06-02 01:17:02,650 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-02 01:17:02,672 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:17:03,293 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-02 01:17:03,293 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:104, output treesize:109 [2021-06-02 01:17:04,631 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-06-02 01:17:05,615 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-06-02 01:17:06,911 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-06-02 01:17:06,949 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:17:06,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 55 [2021-06-02 01:17:06,957 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-02 01:17:06,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 47 [2021-06-02 01:17:06,965 INFO L550 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-02 01:17:06,977 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:17:06,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 55 [2021-06-02 01:17:06,984 INFO L550 ElimStorePlain]: Start of recursive call 4: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-02 01:17:07,038 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:17:07,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 67 treesize of output 79 [2021-06-02 01:17:07,251 INFO L550 ElimStorePlain]: Start of recursive call 5: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-02 01:17:07,263 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:17:07,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 55 [2021-06-02 01:17:07,268 INFO L550 ElimStorePlain]: Start of recursive call 6: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-02 01:17:07,282 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:17:07,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 55 [2021-06-02 01:17:07,289 INFO L550 ElimStorePlain]: Start of recursive call 7: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-02 01:17:07,308 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:17:07,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 55 [2021-06-02 01:17:07,317 INFO L550 ElimStorePlain]: Start of recursive call 8: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-02 01:17:07,338 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:17:07,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 55 [2021-06-02 01:17:07,347 INFO L550 ElimStorePlain]: Start of recursive call 9: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-02 01:17:07,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 47 [2021-06-02 01:17:07,357 INFO L550 ElimStorePlain]: Start of recursive call 10: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-02 01:17:07,469 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-06-02 01:17:07,469 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:17:07,554 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:17:07,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 139 [2021-06-02 01:17:09,548 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-02 01:17:09,617 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:17:09,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 115 [2021-06-02 01:17:09,720 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-02 01:17:09,736 INFO L354 Elim1Store]: treesize reduction 108, result has 0.9 percent of original size [2021-06-02 01:17:09,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 19 [2021-06-02 01:17:09,738 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-02 01:17:09,750 INFO L354 Elim1Store]: treesize reduction 116, result has 0.9 percent of original size [2021-06-02 01:17:09,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 19 [2021-06-02 01:17:09,752 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-02 01:17:09,773 INFO L354 Elim1Store]: treesize reduction 116, result has 0.9 percent of original size [2021-06-02 01:17:09,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 19 [2021-06-02 01:17:09,775 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-02 01:17:09,787 INFO L354 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2021-06-02 01:17:09,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 19 [2021-06-02 01:17:09,789 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-02 01:17:09,801 INFO L354 Elim1Store]: treesize reduction 116, result has 0.9 percent of original size [2021-06-02 01:17:09,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 19 [2021-06-02 01:17:09,803 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-02 01:17:09,813 INFO L354 Elim1Store]: treesize reduction 108, result has 0.9 percent of original size [2021-06-02 01:17:09,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 19 [2021-06-02 01:17:09,816 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-02 01:17:09,916 INFO L354 Elim1Store]: treesize reduction 8, result has 92.9 percent of original size [2021-06-02 01:17:09,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 123 [2021-06-02 01:17:10,063 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-02 01:17:10,120 INFO L628 ElimStorePlain]: treesize reduction 175, result has 24.9 percent of original size [2021-06-02 01:17:10,123 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-02 01:17:10,123 INFO L247 ElimStorePlain]: Needed 19 recursive calls to eliminate 8 variables, input treesize:720, output treesize:3 [2021-06-02 01:17:10,133 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 01:17:10,133 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1775026272] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:17:10,133 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:17:10,133 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 38 [2021-06-02 01:17:10,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062665003] [2021-06-02 01:17:10,133 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-06-02 01:17:10,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:17:10,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-06-02 01:17:10,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=1375, Unknown=0, NotChecked=0, Total=1482 [2021-06-02 01:17:10,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:17:10,135 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:17:10,135 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 2.3846153846153846) internal successors, (93), 38 states have internal predecessors, (93), 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) [2021-06-02 01:17:10,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:17:10,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 01:17:10,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:17:10,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-02 01:17:10,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:17:10,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:17:10,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-02 01:17:10,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-02 01:17:10,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-02 01:17:10,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-02 01:17:10,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-02 01:17:10,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:17:10,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-02 01:17:10,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:17:11,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:17:11,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 01:17:11,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:17:11,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-02 01:17:11,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:17:11,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:17:11,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-02 01:17:11,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-02 01:17:11,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-02 01:17:11,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-02 01:17:11,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-02 01:17:11,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:17:11,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-02 01:17:11,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-02 01:17:11,477 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable283 [2021-06-02 01:17:11,477 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:17:11,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:17:11,477 INFO L82 PathProgramCache]: Analyzing trace with hash 1329619394, now seen corresponding path program 14 times [2021-06-02 01:17:11,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:17:11,477 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469131838] [2021-06-02 01:17:11,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:17:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:17:11,571 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 36 proven. 45 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-06-02 01:17:11,571 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:17:11,571 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469131838] [2021-06-02 01:17:11,571 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469131838] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:17:11,571 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1449037307] [2021-06-02 01:17:11,571 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:17:11,623 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-02 01:17:11,623 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 01:17:11,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-02 01:17:11,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:17:11,701 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 36 proven. 45 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-06-02 01:17:11,701 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1449037307] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:17:11,701 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:17:11,701 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 7] total 13 [2021-06-02 01:17:11,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392669722] [2021-06-02 01:17:11,702 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-02 01:17:11,702 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:17:11,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-02 01:17:11,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=106, Unknown=0, NotChecked=0, Total=182 [2021-06-02 01:17:11,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:17:11,703 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:17:11,703 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 4.714285714285714) internal successors, (66), 13 states have internal predecessors, (66), 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) [2021-06-02 01:17:11,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:17:11,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 01:17:11,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:17:11,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-02 01:17:11,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:17:11,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:17:11,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-02 01:17:11,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-02 01:17:11,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-02 01:17:11,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-02 01:17:11,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-02 01:17:11,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:17:11,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-02 01:17:11,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-02 01:17:11,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:17:11,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:17:11,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 01:17:11,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:17:11,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-02 01:17:11,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:17:11,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:17:11,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-02 01:17:11,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-02 01:17:11,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-02 01:17:11,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-02 01:17:11,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-02 01:17:11,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:17:11,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-02 01:17:11,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-02 01:17:11,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-02 01:17:11,968 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1655,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:17:11,969 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:17:11,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:17:11,969 INFO L82 PathProgramCache]: Analyzing trace with hash -2049794721, now seen corresponding path program 15 times [2021-06-02 01:17:11,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:17:11,969 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304671153] [2021-06-02 01:17:11,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:17:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:17:12,118 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-06-02 01:17:12,119 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:17:12,119 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304671153] [2021-06-02 01:17:12,119 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304671153] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:17:12,119 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [337683894] [2021-06-02 01:17:12,119 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:17:12,160 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-06-02 01:17:12,160 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 01:17:12,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-02 01:17:12,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:17:12,452 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:17:12,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 28 treesize of output 100 [2021-06-02 01:17:12,537 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-02 01:17:12,538 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:17:12,538 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-02 01:17:12,539 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:4 [2021-06-02 01:17:12,547 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-06-02 01:17:12,547 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [337683894] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:17:12,547 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:17:12,547 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15] total 22 [2021-06-02 01:17:12,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475098809] [2021-06-02 01:17:12,547 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-02 01:17:12,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:17:12,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-02 01:17:12,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=455, Unknown=0, NotChecked=0, Total=506 [2021-06-02 01:17:12,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:17:12,548 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:17:12,548 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 3.652173913043478) internal successors, (84), 22 states have internal predecessors, (84), 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) [2021-06-02 01:17:12,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:17:12,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 01:17:12,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:17:12,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-02 01:17:12,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:17:12,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:17:12,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-02 01:17:12,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-02 01:17:12,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-02 01:17:12,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-02 01:17:12,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-02 01:17:12,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:17:12,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-02 01:17:12,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-02 01:17:12,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-02 01:17:12,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:17:13,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:17:13,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 01:17:13,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:17:13,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-02 01:17:13,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:17:13,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:17:13,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-02 01:17:13,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-02 01:17:13,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-02 01:17:13,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-02 01:17:13,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-02 01:17:13,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:17:13,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-02 01:17:13,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-02 01:17:13,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-02 01:17:13,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-02 01:17:13,441 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1656 [2021-06-02 01:17:13,442 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:17:13,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:17:13,442 INFO L82 PathProgramCache]: Analyzing trace with hash -160954308, now seen corresponding path program 16 times [2021-06-02 01:17:13,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:17:13,442 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537805622] [2021-06-02 01:17:13,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:17:13,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:17:14,212 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 01:17:14,212 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:17:14,212 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537805622] [2021-06-02 01:17:14,216 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537805622] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:17:14,216 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [327905541] [2021-06-02 01:17:14,216 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:17:14,261 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-02 01:17:14,262 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 01:17:14,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 83 conjunts are in the unsatisfiable core [2021-06-02 01:17:14,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:17:14,643 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-06-02 01:17:14,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 132 treesize of output 88 [2021-06-02 01:17:14,645 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-02 01:17:14,646 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:17:14,646 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-02 01:17:14,646 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:132, output treesize:69 [2021-06-02 01:17:15,604 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:17:15,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 136 treesize of output 168 [2021-06-02 01:17:17,322 INFO L550 ElimStorePlain]: Start of recursive call 2: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-02 01:17:17,364 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:17:19,296 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-06-02 01:17:19,296 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:136, output treesize:153 [2021-06-02 01:17:22,804 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2021-06-02 01:17:25,945 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2021-06-02 01:17:29,434 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2021-06-02 01:17:29,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 55 [2021-06-02 01:17:29,490 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-02 01:17:29,501 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:17:29,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-06-02 01:17:29,507 INFO L550 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-02 01:17:29,522 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:17:29,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-06-02 01:17:29,530 INFO L550 ElimStorePlain]: Start of recursive call 4: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-02 01:17:29,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 55 [2021-06-02 01:17:29,541 INFO L550 ElimStorePlain]: Start of recursive call 5: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-02 01:17:29,557 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:17:29,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-06-02 01:17:29,564 INFO L550 ElimStorePlain]: Start of recursive call 6: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-02 01:17:29,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 55 [2021-06-02 01:17:29,579 INFO L550 ElimStorePlain]: Start of recursive call 7: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-02 01:17:29,602 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:17:29,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-06-02 01:17:29,611 INFO L550 ElimStorePlain]: Start of recursive call 8: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-02 01:17:29,636 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:17:29,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-06-02 01:17:29,644 INFO L550 ElimStorePlain]: Start of recursive call 9: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-02 01:17:29,667 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:17:29,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-06-02 01:17:29,675 INFO L550 ElimStorePlain]: Start of recursive call 10: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-02 01:17:29,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 55 [2021-06-02 01:17:29,690 INFO L550 ElimStorePlain]: Start of recursive call 11: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-02 01:17:29,712 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:17:29,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-06-02 01:17:29,720 INFO L550 ElimStorePlain]: Start of recursive call 12: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-02 01:17:29,770 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:17:29,771 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 6 new quantified variables, introduced 5 case distinctions, treesize of input 79 treesize of output 95 [2021-06-02 01:17:30,147 INFO L550 ElimStorePlain]: Start of recursive call 13: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-06-02 01:17:30,188 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:17:30,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-06-02 01:17:30,197 INFO L550 ElimStorePlain]: Start of recursive call 14: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-02 01:17:30,228 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:17:30,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-06-02 01:17:30,238 INFO L550 ElimStorePlain]: Start of recursive call 15: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-02 01:17:30,260 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:17:30,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-06-02 01:17:30,269 INFO L550 ElimStorePlain]: Start of recursive call 16: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-02 01:17:30,494 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2021-06-02 01:17:30,495 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:17:30,573 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:17:30,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 162 [2021-06-02 01:17:30,858 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-02 01:17:30,882 INFO L354 Elim1Store]: treesize reduction 172, result has 0.6 percent of original size [2021-06-02 01:17:30,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-06-02 01:17:30,884 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-02 01:17:30,902 INFO L354 Elim1Store]: treesize reduction 156, result has 0.6 percent of original size [2021-06-02 01:17:30,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-06-02 01:17:30,904 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-02 01:17:30,932 INFO L354 Elim1Store]: treesize reduction 176, result has 0.6 percent of original size [2021-06-02 01:17:30,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-06-02 01:17:30,934 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-02 01:17:30,956 INFO L354 Elim1Store]: treesize reduction 172, result has 0.6 percent of original size [2021-06-02 01:17:30,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-06-02 01:17:30,958 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-02 01:17:30,977 INFO L354 Elim1Store]: treesize reduction 164, result has 0.6 percent of original size [2021-06-02 01:17:30,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-06-02 01:17:30,979 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-02 01:17:30,994 INFO L354 Elim1Store]: treesize reduction 164, result has 0.6 percent of original size [2021-06-02 01:17:30,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-06-02 01:17:30,997 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-02 01:17:31,012 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-02 01:17:31,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-06-02 01:17:31,014 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-02 01:17:31,030 INFO L354 Elim1Store]: treesize reduction 156, result has 0.6 percent of original size [2021-06-02 01:17:31,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-06-02 01:17:31,032 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-02 01:17:31,187 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2021-06-02 01:17:31,187 INFO L354 Elim1Store]: treesize reduction 4, result has 97.8 percent of original size [2021-06-02 01:17:31,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 198 [2021-06-02 01:17:31,704 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 259 [2021-06-02 01:17:32,282 WARN L205 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 407 [2021-06-02 01:17:32,747 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 407 [2021-06-02 01:17:33,281 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 422 [2021-06-02 01:17:33,932 WARN L205 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 426 DAG size of output: 557 [2021-06-02 01:17:34,457 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 513 [2021-06-02 01:17:35,046 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 554 [2021-06-02 01:17:35,795 WARN L205 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 735 [2021-06-02 01:17:36,475 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 327 [2021-06-02 01:17:36,985 WARN L205 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 431 [2021-06-02 01:17:37,885 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 301 [2021-06-02 01:17:38,245 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 510 DAG size of output: 383 [2021-06-02 01:17:39,020 WARN L205 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 960 DAG size of output: 744 [2021-06-02 01:17:41,007 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1366 DAG size of output: 1070 [2021-06-02 01:17:41,355 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 455 [2021-06-02 01:17:42,125 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 554 [2021-06-02 01:17:42,405 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 358 [2021-06-02 01:17:43,486 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 241 [2021-06-02 01:17:43,663 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 313 [2021-06-02 01:17:44,406 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 203 [2021-06-02 01:17:44,857 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 469 [2021-06-02 01:17:45,700 WARN L205 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 946 DAG size of output: 710 [2021-06-02 01:17:46,363 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 301 [2021-06-02 01:17:47,201 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 229 [2021-06-02 01:17:47,431 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 520 DAG size of output: 465 [2021-06-02 01:17:47,899 WARN L205 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 758 DAG size of output: 655 [2021-06-02 01:17:48,639 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 288 [2021-06-02 01:17:49,484 WARN L205 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 1096 DAG size of output: 948 [2021-06-02 01:17:53,152 WARN L205 SmtUtils]: Spent 3.66 s on a formula simplification. DAG size of input: 2333 DAG size of output: 1913 [2021-06-02 01:17:53,705 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 541 [2021-06-02 01:17:54,349 WARN L205 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 588 [2021-06-02 01:17:54,924 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 300 [2021-06-02 01:17:56,315 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 317 [2021-06-02 01:17:56,543 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 456 [2021-06-02 01:17:57,013 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 782 DAG size of output: 678 [2021-06-02 01:17:58,074 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1222 DAG size of output: 1094 [2021-06-02 01:17:58,441 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 489 [2021-06-02 01:18:00,021 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 424 DAG size of output: 331 [2021-06-02 01:18:00,304 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 440 [2021-06-02 01:18:00,931 WARN L205 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 881 DAG size of output: 735 [2021-06-02 01:18:01,719 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 288 [2021-06-02 01:18:01,916 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 350 [2021-06-02 01:18:02,511 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 449 [2021-06-02 01:18:03,547 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 406 [2021-06-02 01:18:04,019 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 750 DAG size of output: 605 [2021-06-02 01:18:04,889 WARN L205 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 1085 DAG size of output: 911 [2021-06-02 01:18:07,978 WARN L205 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 1897 DAG size of output: 1737 [2021-06-02 01:18:16,189 WARN L205 SmtUtils]: Spent 8.20 s on a formula simplification. DAG size of input: 3152 DAG size of output: 2726 [2021-06-02 01:18:24,486 WARN L205 SmtUtils]: Spent 8.28 s on a formula simplification. DAG size of input: 3152 DAG size of output: 2726 [2021-06-02 01:18:32,887 WARN L205 SmtUtils]: Spent 8.38 s on a formula simplification. DAG size of input: 3158 DAG size of output: 2732 [2021-06-02 01:18:33,126 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 1745 [2021-06-02 01:18:35,173 WARN L205 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 984 [2021-06-02 01:18:37,766 WARN L205 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 804 [2021-06-02 01:18:40,116 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 333 [2021-06-02 01:18:40,640 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 80 [2021-06-02 01:18:40,870 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 80 [2021-06-02 01:18:41,081 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 851 DAG size of output: 385 [2021-06-02 01:18:41,833 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 557 [2021-06-02 01:18:43,268 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 727 DAG size of output: 547 [2021-06-02 01:18:43,579 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 727 DAG size of output: 547 [2021-06-02 01:18:43,899 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 731 DAG size of output: 501 [2021-06-02 01:18:47,088 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 769 DAG size of output: 1015 [2021-06-02 01:18:49,574 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 235 [2021-06-02 01:18:51,826 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 474 [2021-06-02 01:18:52,149 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 317 [2021-06-02 01:18:52,945 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 335 [2021-06-02 01:18:53,557 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 430 [2021-06-02 01:18:54,215 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 248 [2021-06-02 01:18:54,788 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 235 [2021-06-02 01:18:55,065 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 539 DAG size of output: 480 [2021-06-02 01:18:56,202 WARN L205 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 1130 DAG size of output: 873 [2021-06-02 01:18:57,044 WARN L205 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 1130 DAG size of output: 873 [2021-06-02 01:18:57,823 WARN L205 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 1141 DAG size of output: 886 [2021-06-02 01:18:58,088 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 594 [2021-06-02 01:18:58,408 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 246 [2021-06-02 01:18:58,815 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 489 DAG size of output: 822 [2021-06-02 01:18:59,659 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 1236 DAG size of output: 445 [2021-06-02 01:19:00,051 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 1236 DAG size of output: 445 [2021-06-02 01:19:00,286 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 1241 DAG size of output: 9 [2021-06-02 01:19:00,521 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 1756 [2021-06-02 01:19:00,774 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 1759 [2021-06-02 01:19:01,075 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 511 [2021-06-02 01:19:02,673 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 312 [2021-06-02 01:19:02,889 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 312 [2021-06-02 01:19:03,090 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 499 DAG size of output: 325 [2021-06-02 01:19:04,461 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 222 [2021-06-02 01:19:05,419 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 245 [2021-06-02 01:19:05,529 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 245 [2021-06-02 01:19:08,386 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 735 [2021-06-02 01:19:08,777 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 543 [2021-06-02 01:19:09,354 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 310 [2021-06-02 01:19:10,040 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 633 [2021-06-02 01:19:10,331 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 474 [2021-06-02 01:19:11,117 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 588 DAG size of output: 489 [2021-06-02 01:19:11,956 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 309 [2021-06-02 01:19:13,103 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 1414 DAG size of output: 984 [2021-06-02 01:19:14,236 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 1414 DAG size of output: 984 [2021-06-02 01:19:15,232 WARN L205 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 1424 DAG size of output: 1000 [2021-06-02 01:19:17,134 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 817 DAG size of output: 68 [2021-06-02 01:19:18,001 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 228 [2021-06-02 01:19:18,111 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 228 [2021-06-02 01:19:18,341 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 282 [2021-06-02 01:19:18,891 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 213 [2021-06-02 01:19:19,480 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 775 [2021-06-02 01:19:21,688 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 362 [2021-06-02 01:19:23,073 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 221 [2021-06-02 01:19:23,206 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 221 [2021-06-02 01:19:24,765 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-02 01:19:24,885 INFO L354 Elim1Store]: treesize reduction 20, result has 85.8 percent of original size [2021-06-02 01:19:24,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 142 [2021-06-02 01:19:25,002 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-02 01:19:25,016 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-02 01:19:25,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-06-02 01:19:25,018 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-02 01:19:25,032 INFO L354 Elim1Store]: treesize reduction 176, result has 0.6 percent of original size [2021-06-02 01:19:25,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-06-02 01:19:25,034 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-02 01:19:25,048 INFO L354 Elim1Store]: treesize reduction 176, result has 0.6 percent of original size [2021-06-02 01:19:25,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-06-02 01:19:25,050 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-02 01:19:25,063 INFO L354 Elim1Store]: treesize reduction 176, result has 0.6 percent of original size [2021-06-02 01:19:25,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-06-02 01:19:25,065 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-02 01:19:25,143 INFO L628 ElimStorePlain]: treesize reduction 430, result has 12.8 percent of original size [2021-06-02 01:19:25,145 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-02 01:19:25,145 INFO L247 ElimStorePlain]: Needed 31 recursive calls to eliminate 9 variables, input treesize:1498, output treesize:3 [2021-06-02 01:19:25,154 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 01:19:25,155 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [327905541] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:19:25,155 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:19:25,155 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 30] total 46 [2021-06-02 01:19:25,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870438552] [2021-06-02 01:19:25,155 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-06-02 01:19:25,155 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:19:25,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-06-02 01:19:25,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=2032, Unknown=0, NotChecked=0, Total=2162 [2021-06-02 01:19:25,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:19:25,156 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:19:25,157 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 2.3191489361702127) internal successors, (109), 46 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 01:19:25,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:19:25,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 01:19:25,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:19:25,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-02 01:19:25,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:19:25,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:19:25,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-02 01:19:25,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-02 01:19:25,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-02 01:19:25,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-02 01:19:25,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-02 01:19:25,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:19:25,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-02 01:19:25,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-02 01:19:25,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-02 01:19:25,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-02 01:19:25,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:19:26,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:19:26,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 01:19:26,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:19:26,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-02 01:19:26,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:19:26,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:19:26,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-02 01:19:26,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-02 01:19:26,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-02 01:19:26,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-02 01:19:26,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-02 01:19:26,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:19:26,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-02 01:19:26,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-02 01:19:26,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-02 01:19:26,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-02 01:19:26,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-02 01:19:27,084 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1685,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:19:27,084 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:19:27,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:19:27,084 INFO L82 PathProgramCache]: Analyzing trace with hash -1431280802, now seen corresponding path program 17 times [2021-06-02 01:19:27,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:19:27,084 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646411003] [2021-06-02 01:19:27,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:19:27,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:19:27,185 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 49 proven. 66 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-06-02 01:19:27,185 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:19:27,185 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646411003] [2021-06-02 01:19:27,185 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646411003] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:19:27,186 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2002052570] [2021-06-02 01:19:27,186 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:19:27,244 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-06-02 01:19:27,245 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 01:19:27,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-02 01:19:27,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:19:27,326 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 49 proven. 66 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-06-02 01:19:27,327 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2002052570] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:19:27,327 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:19:27,327 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 8] total 15 [2021-06-02 01:19:27,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872695781] [2021-06-02 01:19:27,327 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-02 01:19:27,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:19:27,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-02 01:19:27,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2021-06-02 01:19:27,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:19:27,328 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:19:27,328 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 4.625) internal successors, (74), 15 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) [2021-06-02 01:19:27,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:19:27,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 01:19:27,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:19:27,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-02 01:19:27,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:19:27,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:19:27,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-02 01:19:27,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-02 01:19:27,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-02 01:19:27,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-02 01:19:27,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-02 01:19:27,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:19:27,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-02 01:19:27,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-02 01:19:27,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-02 01:19:27,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-02 01:19:27,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-02 01:19:27,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:19:27,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:19:27,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 01:19:27,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:19:27,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-02 01:19:27,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:19:27,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:19:27,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-02 01:19:27,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-02 01:19:27,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-02 01:19:27,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-02 01:19:27,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-02 01:19:27,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:19:27,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-02 01:19:27,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-02 01:19:27,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-02 01:19:27,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-02 01:19:27,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-02 01:19:27,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-02 01:19:27,605 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24630 [2021-06-02 01:19:27,605 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:19:27,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:19:27,605 INFO L82 PathProgramCache]: Analyzing trace with hash 1479966395, now seen corresponding path program 18 times [2021-06-02 01:19:27,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:19:27,606 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631423547] [2021-06-02 01:19:27,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:19:27,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:19:27,808 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 157 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-06-02 01:19:27,808 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:19:27,808 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631423547] [2021-06-02 01:19:27,808 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631423547] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:19:27,808 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [47706855] [2021-06-02 01:19:27,808 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:19:27,865 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-06-02 01:19:27,865 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 01:19:27,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 30 conjunts are in the unsatisfiable core [2021-06-02 01:19:27,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:19:28,235 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:19:28,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 32 treesize of output 143 [2021-06-02 01:19:28,358 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-02 01:19:28,359 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:19:28,359 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-02 01:19:28,359 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:32, output treesize:4 [2021-06-02 01:19:28,367 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 157 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-06-02 01:19:28,367 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [47706855] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:19:28,367 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 01:19:28,367 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17] total 25 [2021-06-02 01:19:28,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654228467] [2021-06-02 01:19:28,367 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-02 01:19:28,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 01:19:28,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-02 01:19:28,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2021-06-02 01:19:28,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:19:28,368 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 01:19:28,368 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 3.6923076923076925) internal successors, (96), 25 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 01:19:28,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:19:28,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 01:19:28,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:19:28,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-02 01:19:28,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:19:28,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:19:28,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-02 01:19:28,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-02 01:19:28,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-02 01:19:28,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-02 01:19:28,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-02 01:19:28,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:19:28,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-02 01:19:28,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-02 01:19:28,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-02 01:19:28,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-02 01:19:28,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-02 01:19:28,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-02 01:19:28,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 01:19:29,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:19:29,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 01:19:29,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 01:19:29,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-02 01:19:29,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:19:29,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 01:19:29,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-02 01:19:29,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-02 01:19:29,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-02 01:19:29,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-02 01:19:29,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-02 01:19:29,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-02 01:19:29,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-02 01:19:29,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-02 01:19:29,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-02 01:19:29,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-02 01:19:29,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-02 01:19:29,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-02 01:19:29,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-02 01:19:29,420 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24631 [2021-06-02 01:19:29,421 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 01:19:29,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 01:19:29,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1191435160, now seen corresponding path program 19 times [2021-06-02 01:19:29,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 01:19:29,421 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27508075] [2021-06-02 01:19:29,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 01:19:29,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:19:30,463 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 01:19:30,463 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 01:19:30,463 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27508075] [2021-06-02 01:19:30,463 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27508075] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 01:19:30,463 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [60479610] [2021-06-02 01:19:30,463 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 01:19:30,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 01:19:30,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 97 conjunts are in the unsatisfiable core [2021-06-02 01:19:30,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 01:19:31,033 INFO L354 Elim1Store]: treesize reduction 240, result has 0.4 percent of original size [2021-06-02 01:19:31,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 161 treesize of output 109 [2021-06-02 01:19:31,034 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-02 01:19:31,035 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:19:31,036 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-02 01:19:31,036 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:161, output treesize:87 [2021-06-02 01:19:32,741 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:19:32,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 172 treesize of output 223 [2021-06-02 01:19:35,486 INFO L550 ElimStorePlain]: Start of recursive call 2: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-02 01:19:35,543 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:19:40,873 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2021-06-02 01:19:40,874 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:172, output treesize:205 [2021-06-02 01:19:53,632 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2021-06-02 01:20:10,712 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2021-06-02 01:20:28,801 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2021-06-02 01:20:29,159 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:20:29,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-02 01:20:29,167 INFO L550 ElimStorePlain]: Start of recursive call 2: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-06-02 01:20:29,191 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:20:29,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-02 01:20:29,199 INFO L550 ElimStorePlain]: Start of recursive call 3: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-06-02 01:20:29,221 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:20:29,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-02 01:20:29,229 INFO L550 ElimStorePlain]: Start of recursive call 4: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-02 01:20:29,248 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:20:29,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-02 01:20:29,264 INFO L550 ElimStorePlain]: Start of recursive call 5: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-02 01:20:29,293 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:20:29,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-02 01:20:29,301 INFO L550 ElimStorePlain]: Start of recursive call 6: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-06-02 01:20:29,323 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:20:29,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-02 01:20:29,330 INFO L550 ElimStorePlain]: Start of recursive call 7: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-02 01:20:29,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 63 [2021-06-02 01:20:29,347 INFO L550 ElimStorePlain]: Start of recursive call 8: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-02 01:20:29,381 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:20:29,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-02 01:20:29,389 INFO L550 ElimStorePlain]: Start of recursive call 9: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-06-02 01:20:29,412 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:20:29,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-02 01:20:29,417 INFO L550 ElimStorePlain]: Start of recursive call 10: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-02 01:20:29,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 63 [2021-06-02 01:20:29,435 INFO L550 ElimStorePlain]: Start of recursive call 11: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-02 01:20:29,466 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:20:29,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-02 01:20:29,474 INFO L550 ElimStorePlain]: Start of recursive call 12: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-02 01:20:29,557 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:20:29,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 91 treesize of output 111 [2021-06-02 01:20:30,422 INFO L550 ElimStorePlain]: Start of recursive call 13: 7 dim-0 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2021-06-02 01:20:30,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 63 [2021-06-02 01:20:30,439 INFO L550 ElimStorePlain]: Start of recursive call 14: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-02 01:20:30,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 63 [2021-06-02 01:20:30,457 INFO L550 ElimStorePlain]: Start of recursive call 15: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-02 01:20:30,487 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:20:30,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-02 01:20:30,495 INFO L550 ElimStorePlain]: Start of recursive call 16: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-02 01:20:30,519 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 91 treesize of output 63 [2021-06-02 01:20:30,521 INFO L550 ElimStorePlain]: Start of recursive call 17: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-02 01:20:30,557 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:20:30,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-02 01:20:30,565 INFO L550 ElimStorePlain]: Start of recursive call 18: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-02 01:20:30,598 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:20:30,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-02 01:20:30,605 INFO L550 ElimStorePlain]: Start of recursive call 19: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-02 01:20:30,652 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:20:30,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-02 01:20:30,659 INFO L550 ElimStorePlain]: Start of recursive call 20: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-02 01:20:30,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 63 [2021-06-02 01:20:30,686 INFO L550 ElimStorePlain]: Start of recursive call 21: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-02 01:20:30,722 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:20:30,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-02 01:20:30,729 INFO L550 ElimStorePlain]: Start of recursive call 22: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-02 01:20:30,763 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:20:30,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-02 01:20:30,771 INFO L550 ElimStorePlain]: Start of recursive call 23: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-06-02 01:20:31,264 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 547 [2021-06-02 01:20:31,264 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:20:31,424 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-06-02 01:20:31,424 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:20:31,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 261 [2021-06-02 01:20:31,928 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 189 [2021-06-02 01:20:32,380 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 246 [2021-06-02 01:20:32,483 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 171 [2021-06-02 01:20:33,526 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 255 [2021-06-02 01:20:33,732 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 255 [2021-06-02 01:20:34,111 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 356 [2021-06-02 01:20:34,452 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 388 [2021-06-02 01:20:34,577 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 264 [2021-06-02 01:20:35,253 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 276 [2021-06-02 01:20:35,386 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 297 [2021-06-02 01:20:36,194 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 648 DAG size of output: 432 [2021-06-02 01:20:36,424 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 648 DAG size of output: 432 [2021-06-02 01:20:36,680 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 650 DAG size of output: 410 [2021-06-02 01:20:37,023 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 565 [2021-06-02 01:20:37,617 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 303 [2021-06-02 01:20:38,632 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-02 01:20:38,681 INFO L354 Elim1Store]: treesize reduction 248, result has 0.4 percent of original size [2021-06-02 01:20:38,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 25 [2021-06-02 01:20:38,684 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-02 01:20:38,817 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-06-02 01:20:38,817 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:20:38,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 269 [2021-06-02 01:20:39,127 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 204 [2021-06-02 01:20:39,637 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 290 [2021-06-02 01:20:40,148 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 241 [2021-06-02 01:20:40,656 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 396 [2021-06-02 01:20:41,750 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 601 DAG size of output: 659 [2021-06-02 01:20:42,847 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 601 DAG size of output: 659 [2021-06-02 01:20:44,121 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 616 DAG size of output: 674 [2021-06-02 01:20:46,478 WARN L205 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 673 DAG size of output: 1272 [2021-06-02 01:20:47,599 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 286 [2021-06-02 01:20:48,742 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 349 [2021-06-02 01:20:49,660 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 404 [2021-06-02 01:20:49,823 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 253 [2021-06-02 01:20:50,886 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 443 DAG size of output: 324 [2021-06-02 01:20:51,140 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 313 [2021-06-02 01:20:51,779 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 329 [2021-06-02 01:20:52,415 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 168 [2021-06-02 01:20:52,712 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 608 DAG size of output: 465 [2021-06-02 01:20:53,417 WARN L205 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 1145 DAG size of output: 887 [2021-06-02 01:20:54,115 WARN L205 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 544 [2021-06-02 01:20:55,191 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 325 [2021-06-02 01:20:56,826 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 202 [2021-06-02 01:20:57,154 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 650 DAG size of output: 511 [2021-06-02 01:20:57,691 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 229 [2021-06-02 01:20:58,196 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 249 [2021-06-02 01:20:59,804 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 309 [2021-06-02 01:21:00,196 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 520 [2021-06-02 01:21:01,104 WARN L205 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 1242 DAG size of output: 1040 [2021-06-02 01:21:01,507 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 407 [2021-06-02 01:21:01,929 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 380 [2021-06-02 01:21:02,625 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 299 [2021-06-02 01:21:03,447 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 246 [2021-06-02 01:21:03,804 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 367 [2021-06-02 01:21:04,662 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 281 [2021-06-02 01:21:05,875 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 336 [2021-06-02 01:21:06,226 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 742 DAG size of output: 557 [2021-06-02 01:21:06,834 WARN L205 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 937 DAG size of output: 687 [2021-06-02 01:21:09,518 WARN L205 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 2259 DAG size of output: 1863 [2021-06-02 01:21:10,314 WARN L205 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 561 [2021-06-02 01:21:11,764 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 222 [2021-06-02 01:21:12,216 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 357 [2021-06-02 01:21:13,330 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 407 [2021-06-02 01:21:14,145 WARN L205 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 757 [2021-06-02 01:21:14,357 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 350 [2021-06-02 01:21:15,143 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 448 [2021-06-02 01:21:16,876 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 334 [2021-06-02 01:21:17,513 WARN L205 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 869 DAG size of output: 777 [2021-06-02 01:21:17,908 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 409 [2021-06-02 01:21:18,281 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 369 [2021-06-02 01:21:19,257 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 243 [2021-06-02 01:21:19,732 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 359 [2021-06-02 01:21:19,947 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 374 [2021-06-02 01:21:20,853 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 759 DAG size of output: 542 [2021-06-02 01:21:21,280 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 215 [2021-06-02 01:21:22,436 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 251 [2021-06-02 01:21:23,031 WARN L205 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 959 DAG size of output: 673 [2021-06-02 01:21:23,717 WARN L205 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 543 [2021-06-02 01:21:25,897 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 312 [2021-06-02 01:21:26,172 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 512 [2021-06-02 01:21:27,343 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 296 [2021-06-02 01:21:28,110 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 225 [2021-06-02 01:21:28,518 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 239 [2021-06-02 01:21:28,848 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 505 [2021-06-02 01:21:29,631 WARN L205 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 1085 DAG size of output: 942 [2021-06-02 01:21:32,046 WARN L205 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 2153 DAG size of output: 1715 [2021-06-02 01:21:39,077 WARN L205 SmtUtils]: Spent 7.02 s on a formula simplification. DAG size of input: 3574 DAG size of output: 3129 [2021-06-02 01:21:46,077 WARN L205 SmtUtils]: Spent 6.98 s on a formula simplification. DAG size of input: 3574 DAG size of output: 3129 [2021-06-02 01:21:53,314 WARN L205 SmtUtils]: Spent 7.22 s on a formula simplification. DAG size of input: 3582 DAG size of output: 3138 [2021-06-02 01:21:53,733 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 1724 DAG size of output: 1724 [2021-06-02 01:21:53,891 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 784 DAG size of output: 781 [2021-06-02 01:21:54,196 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 335 [2021-06-02 01:21:54,303 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 287 [2021-06-02 01:21:55,060 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 264 [2021-06-02 01:21:55,789 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 315 [2021-06-02 01:21:56,105 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 466 [2021-06-02 01:21:57,344 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 253 [2021-06-02 01:21:58,061 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 511 DAG size of output: 404 [2021-06-02 01:21:58,851 WARN L205 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 907 DAG size of output: 717 [2021-06-02 01:21:59,592 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 187 [2021-06-02 01:22:00,834 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 283 [2021-06-02 01:22:01,520 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 288 [2021-06-02 01:22:02,081 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 235 [2021-06-02 01:22:02,333 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 387 [2021-06-02 01:22:02,659 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 473 DAG size of output: 430 [2021-06-02 01:22:03,455 WARN L205 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 1084 DAG size of output: 863 [2021-06-02 01:22:03,603 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 288 [2021-06-02 01:22:04,046 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 279 [2021-06-02 01:22:04,705 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 429 [2021-06-02 01:22:04,886 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 298 [2021-06-02 01:22:06,965 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 2243 DAG size of output: 1709 [2021-06-02 01:22:08,458 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 294 [2021-06-02 01:22:09,576 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 650 DAG size of output: 526 [2021-06-02 01:22:10,293 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 283 [2021-06-02 01:22:11,193 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 641 DAG size of output: 561 [2021-06-02 01:22:11,416 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 329 [2021-06-02 01:22:11,631 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 311 [2021-06-02 01:22:12,562 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 253 [2021-06-02 01:22:12,861 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 418 [2021-06-02 01:22:13,500 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 231 [2021-06-02 01:22:13,873 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 489 DAG size of output: 291 [2021-06-02 01:22:14,312 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 811 DAG size of output: 514 [2021-06-02 01:22:15,883 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 1921 DAG size of output: 1448 [2021-06-02 01:22:17,768 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 289 [2021-06-02 01:22:18,756 WARN L205 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 776 DAG size of output: 636 [2021-06-02 01:22:24,714 WARN L205 SmtUtils]: Spent 5.95 s on a formula simplification. DAG size of input: 5086 DAG size of output: 3903 [2021-06-02 01:22:24,874 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 620 DAG size of output: 620 [2021-06-02 01:22:25,181 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 388 [2021-06-02 01:22:26,007 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 269 [2021-06-02 01:22:27,090 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 684 DAG size of output: 461 [2021-06-02 01:22:28,975 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 456 [2021-06-02 01:22:29,640 WARN L205 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 1012 DAG size of output: 752 [2021-06-02 01:22:31,451 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 289 [2021-06-02 01:22:31,674 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 672 DAG size of output: 388 [2021-06-02 01:22:32,020 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 351 [2021-06-02 01:22:32,729 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 239 [2021-06-02 01:22:33,742 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 611 DAG size of output: 310 [2021-06-02 01:22:34,574 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 1283 DAG size of output: 647 [2021-06-02 01:22:35,964 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 2211 DAG size of output: 1366 [2021-06-02 01:22:36,145 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 1706 [2021-06-02 01:22:36,304 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 274 [2021-06-02 01:22:37,355 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 272 [2021-06-02 01:22:37,462 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 508 DAG size of output: 507 [2021-06-02 01:22:38,010 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 327 [2021-06-02 01:22:38,514 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 264 [2021-06-02 01:22:39,383 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 274 [2021-06-02 01:22:40,439 WARN L205 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 710 DAG size of output: 489 [2021-06-02 01:22:41,192 WARN L205 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 998 DAG size of output: 713 [2021-06-02 01:22:41,428 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 984 DAG size of output: 984 [2021-06-02 01:22:42,456 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 333 [2021-06-02 01:22:43,148 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 574 DAG size of output: 417 [2021-06-02 01:22:43,442 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 461 [2021-06-02 01:22:43,672 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 408 [2021-06-02 01:22:44,931 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 271 [2021-06-02 01:22:45,454 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 465 DAG size of output: 341 [2021-06-02 01:22:45,860 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 476 [2021-06-02 01:22:46,305 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 247 [2021-06-02 01:22:47,949 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 299 [2021-06-02 01:22:49,153 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 1369 DAG size of output: 992 [2021-06-02 01:22:49,308 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 277 [2021-06-02 01:22:50,090 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 290 [2021-06-02 01:22:50,725 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 272 [2021-06-02 01:22:51,149 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 446 [2021-06-02 01:22:53,424 WARN L205 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 2196 DAG size of output: 1662 [2021-06-02 01:22:57,524 WARN L205 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 3722 DAG size of output: 2383 [2021-06-02 01:23:11,551 WARN L205 SmtUtils]: Spent 14.01 s on a formula simplification. DAG size of input: 9594 DAG size of output: 6646 [2021-06-02 01:23:25,574 WARN L205 SmtUtils]: Spent 13.98 s on a formula simplification. DAG size of input: 9594 DAG size of output: 6646 [2021-06-02 01:23:40,627 WARN L205 SmtUtils]: Spent 15.02 s on a formula simplification. DAG size of input: 9597 DAG size of output: 6638 [2021-06-02 01:24:05,144 WARN L205 SmtUtils]: Spent 24.46 s on a formula simplification. DAG size of input: 6642 DAG size of output: 10830 [2021-06-02 01:24:20,782 WARN L205 SmtUtils]: Spent 15.59 s on a formula simplification. DAG size of input: 5293 DAG size of output: 8763 [2021-06-02 01:24:22,351 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 542 [2021-06-02 01:24:23,924 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 341 [2021-06-02 01:24:24,235 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 885 DAG size of output: 505 [2021-06-02 01:24:25,788 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 254 [2021-06-02 01:24:27,028 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 1210 DAG size of output: 1623 [2021-06-02 01:24:27,172 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 849 DAG size of output: 849 [2021-06-02 01:24:28,658 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 247 [2021-06-02 01:24:31,218 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 246 [2021-06-02 01:24:31,489 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 412 DAG size of output: 324 [2021-06-02 01:24:33,012 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1428 DAG size of output: 1875 [2021-06-02 01:24:34,926 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 347 [2021-06-02 01:24:35,431 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 361 [2021-06-02 01:24:35,883 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 409 [2021-06-02 01:24:36,511 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 294 [2021-06-02 01:24:36,957 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 776 DAG size of output: 390 [2021-06-02 01:24:37,401 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 191 [2021-06-02 01:24:37,826 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 1050 DAG size of output: 548 [2021-06-02 01:24:39,836 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 2513 DAG size of output: 213 [2021-06-02 01:24:41,005 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 5152 DAG size of output: 5152 [2021-06-02 01:24:41,786 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 574 DAG size of output: 341 [2021-06-02 01:24:44,811 WARN L205 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 1792 DAG size of output: 2517 [2021-06-02 01:24:45,049 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 1311 DAG size of output: 1311 [2021-06-02 01:24:45,189 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 897 DAG size of output: 897 [2021-06-02 01:24:46,845 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 1793 DAG size of output: 1793 [2021-06-02 01:24:47,310 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 748 DAG size of output: 748 [2021-06-02 01:24:49,471 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 299 [2021-06-02 01:24:50,434 WARN L205 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 2995 DAG size of output: 2996 [2021-06-02 01:24:51,080 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 816 [2021-06-02 01:24:51,510 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 557 DAG size of output: 811 [2021-06-02 01:24:52,047 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 764 [2021-06-02 01:24:52,659 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 508 DAG size of output: 310 [2021-06-02 01:24:52,855 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 445 [2021-06-02 01:24:53,233 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 313 [2021-06-02 01:24:54,126 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 542 [2021-06-02 01:24:54,335 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 277 [2021-06-02 01:24:54,874 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 347 [2021-06-02 01:24:55,269 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 443 DAG size of output: 591 [2021-06-02 01:24:55,693 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 519 [2021-06-02 01:24:56,369 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 735 DAG size of output: 277 [2021-06-02 01:24:57,145 WARN L205 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 1692 DAG size of output: 817 [2021-06-02 01:24:57,722 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 298 [2021-06-02 01:24:58,421 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 271 [2021-06-02 01:24:59,706 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 2208 DAG size of output: 1051 [2021-06-02 01:25:01,262 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 427 [2021-06-02 01:25:01,501 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 301 [2021-06-02 01:25:01,962 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 501 [2021-06-02 01:25:03,019 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 266 [2021-06-02 01:25:03,665 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 3482 DAG size of output: 164 [2021-06-02 01:25:05,103 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 690 DAG size of output: 381 [2021-06-02 01:25:06,264 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 247 [2021-06-02 01:25:06,929 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 487 DAG size of output: 338 [2021-06-02 01:25:07,384 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 6393 DAG size of output: 321 [2021-06-02 01:25:09,337 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 10599 DAG size of output: 1722 [2021-06-02 01:25:11,311 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 10599 DAG size of output: 1722 [2021-06-02 01:25:15,693 WARN L205 SmtUtils]: Spent 4.32 s on a formula simplification. DAG size of input: 10606 DAG size of output: 2058 [2021-06-02 01:25:16,110 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 311 [2021-06-02 01:25:17,714 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-02 01:25:17,830 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:25:17,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 237 [2021-06-02 01:25:18,890 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 476 DAG size of output: 325 [2021-06-02 01:25:19,014 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 476 DAG size of output: 325 [2021-06-02 01:25:19,156 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 328 [2021-06-02 01:25:19,377 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 433 [2021-06-02 01:25:19,521 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 387 [2021-06-02 01:25:20,330 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 259 [2021-06-02 01:25:20,445 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 259 [2021-06-02 01:25:20,780 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 465 DAG size of output: 412 [2021-06-02 01:25:21,133 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 410 [2021-06-02 01:25:21,587 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-02 01:25:21,615 INFO L354 Elim1Store]: treesize reduction 228, result has 0.4 percent of original size [2021-06-02 01:25:21,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 25 [2021-06-02 01:25:21,618 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-02 01:25:21,650 INFO L354 Elim1Store]: treesize reduction 244, result has 0.4 percent of original size [2021-06-02 01:25:21,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 25 [2021-06-02 01:25:21,652 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-02 01:25:21,771 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-06-02 01:25:21,772 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:25:21,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 253 [2021-06-02 01:25:22,745 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 320 [2021-06-02 01:25:22,890 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 320 [2021-06-02 01:25:23,066 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 329 [2021-06-02 01:25:23,407 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 476 [2021-06-02 01:25:24,762 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 334 [2021-06-02 01:25:25,004 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 758 DAG size of output: 448 [2021-06-02 01:25:25,228 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 758 DAG size of output: 448 [2021-06-02 01:25:25,481 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 452 [2021-06-02 01:25:25,883 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 456 DAG size of output: 593 [2021-06-02 01:25:26,934 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 461 [2021-06-02 01:25:27,140 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 461 [2021-06-02 01:25:27,378 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 461 [2021-06-02 01:25:28,186 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-02 01:25:28,214 INFO L354 Elim1Store]: treesize reduction 240, result has 0.4 percent of original size [2021-06-02 01:25:28,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 25 [2021-06-02 01:25:28,217 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-02 01:25:28,242 INFO L354 Elim1Store]: treesize reduction 248, result has 0.4 percent of original size [2021-06-02 01:25:28,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 25 [2021-06-02 01:25:28,245 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-02 01:25:28,275 INFO L354 Elim1Store]: treesize reduction 248, result has 0.4 percent of original size [2021-06-02 01:25:28,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 25 [2021-06-02 01:25:28,278 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-02 01:25:28,482 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 106 [2021-06-02 01:25:28,483 INFO L354 Elim1Store]: treesize reduction 12, result has 94.8 percent of original size [2021-06-02 01:25:28,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 241 [2021-06-02 01:25:29,122 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 263 [2021-06-02 01:25:29,232 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 272 [2021-06-02 01:25:29,370 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 350 [2021-06-02 01:25:29,595 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 373 [2021-06-02 01:25:31,043 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-02 01:25:31,070 INFO L354 Elim1Store]: treesize reduction 240, result has 0.4 percent of original size [2021-06-02 01:25:31,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 25 [2021-06-02 01:25:31,073 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-02 01:25:31,196 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 01:25:31,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 217 [2021-06-02 01:25:31,924 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 352 [2021-06-02 01:25:32,762 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-02 01:25:32,782 INFO L354 Elim1Store]: treesize reduction 192, result has 0.5 percent of original size [2021-06-02 01:25:32,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 25 [2021-06-02 01:25:32,785 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-02 01:25:32,808 INFO L354 Elim1Store]: treesize reduction 244, result has 0.4 percent of original size [2021-06-02 01:25:32,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 25 [2021-06-02 01:25:32,811 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-02 01:25:32,834 INFO L354 Elim1Store]: treesize reduction 240, result has 0.4 percent of original size [2021-06-02 01:25:32,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 25 [2021-06-02 01:25:32,836 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-02 01:25:32,854 INFO L354 Elim1Store]: treesize reduction 228, result has 0.4 percent of original size [2021-06-02 01:25:32,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 25 [2021-06-02 01:25:32,857 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-02 01:25:32,905 INFO L354 Elim1Store]: treesize reduction 252, result has 0.4 percent of original size [2021-06-02 01:25:32,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 25 [2021-06-02 01:25:32,908 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-02 01:25:32,925 INFO L354 Elim1Store]: treesize reduction 236, result has 0.4 percent of original size [2021-06-02 01:25:32,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 25 [2021-06-02 01:25:32,928 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-02 01:25:32,944 INFO L354 Elim1Store]: treesize reduction 212, result has 0.5 percent of original size [2021-06-02 01:25:32,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 25 [2021-06-02 01:25:32,947 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-02 01:25:33,155 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 133 [2021-06-02 01:25:33,156 INFO L354 Elim1Store]: treesize reduction 4, result has 98.4 percent of original size [2021-06-02 01:25:33,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 269 [2021-06-02 01:25:33,558 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 184 [2021-06-02 01:25:33,907 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 222 [2021-06-02 01:25:34,455 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 253 [2021-06-02 01:25:34,808 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 341 [2021-06-02 01:25:35,019 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 213 [2021-06-02 01:25:35,751 WARN L205 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 511 [2021-06-02 01:25:37,001 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 455 DAG size of output: 659 [2021-06-02 01:25:37,312 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 202 [2021-06-02 01:25:37,795 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 247 [2021-06-02 01:25:38,435 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 361 [2021-06-02 01:25:38,818 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2021-06-02 01:25:39,689 WARN L205 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 443 DAG size of output: 501 [2021-06-02 01:25:43,219 WARN L205 SmtUtils]: Spent 3.53 s on a formula simplification. DAG size of input: 818 DAG size of output: 1126 [2021-06-02 01:25:46,716 WARN L205 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 818 DAG size of output: 1126 [2021-06-02 01:25:50,598 WARN L205 SmtUtils]: Spent 3.88 s on a formula simplification. DAG size of input: 830 DAG size of output: 1138 [2021-06-02 01:25:51,231 WARN L205 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 1141 DAG size of output: 1143 [2021-06-02 01:25:52,338 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 482 DAG size of output: 628 [2021-06-02 01:25:53,257 WARN L205 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 735 [2021-06-02 01:25:53,463 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 279 [2021-06-02 01:25:53,571 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 213 [2021-06-02 01:25:54,362 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 333 [2021-06-02 01:25:54,847 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 232 [2021-06-02 01:25:55,184 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 208 [2021-06-02 01:25:55,477 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 341 [2021-06-02 01:25:56,129 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2021-06-02 01:25:56,568 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 282 [2021-06-02 01:25:57,220 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 216 [2021-06-02 01:25:57,945 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 203 [2021-06-02 01:25:58,883 WARN L205 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 490 [2021-06-02 01:25:59,380 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 211 [2021-06-02 01:26:00,221 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 279 [2021-06-02 01:26:00,846 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 201 [2021-06-02 01:26:01,515 WARN L205 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 488 [2021-06-02 01:26:03,531 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 897 DAG size of output: 809 [2021-06-02 01:26:06,385 WARN L205 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 1287 DAG size of output: 1182 [2021-06-02 01:26:06,552 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 256 [2021-06-02 01:26:07,240 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 208 [2021-06-02 01:26:08,018 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 234 [2021-06-02 01:26:08,377 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 364 [2021-06-02 01:26:09,013 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 539 DAG size of output: 462 [2021-06-02 01:26:10,178 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 652 DAG size of output: 582 [2021-06-02 01:26:14,574 WARN L205 SmtUtils]: Spent 4.39 s on a formula simplification. DAG size of input: 1903 DAG size of output: 1563 [2021-06-02 01:26:20,181 WARN L205 SmtUtils]: Spent 5.60 s on a formula simplification. DAG size of input: 2210 DAG size of output: 1781 [2021-06-02 01:26:20,367 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 236 [2021-06-02 01:26:20,508 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 238 [2021-06-02 01:26:20,627 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 232 [2021-06-02 01:26:21,253 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 241 [2021-06-02 01:26:21,371 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 188 [2021-06-02 01:26:21,918 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 333 [2021-06-02 01:26:22,624 WARN L205 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 444 [2021-06-02 01:26:23,498 WARN L205 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 488 [2021-06-02 01:26:23,625 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 290 [2021-06-02 01:26:24,836 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 251 [2021-06-02 01:26:25,223 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 456 [2021-06-02 01:26:25,804 WARN L205 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 581 DAG size of output: 551 [2021-06-02 01:26:26,258 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 505 [2021-06-02 01:26:26,728 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 461 [2021-06-02 01:26:27,181 WARN L205 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 384 [2021-06-02 01:26:28,118 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 256 [2021-06-02 01:26:29,149 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 559 DAG size of output: 486 [2021-06-02 01:26:30,657 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 775 DAG size of output: 653 [2021-06-02 01:26:33,906 WARN L205 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 1441 DAG size of output: 1269 [2021-06-02 01:26:43,900 WARN L205 SmtUtils]: Spent 9.99 s on a formula simplification. DAG size of input: 2920 DAG size of output: 2493 [2021-06-02 01:26:44,722 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 264 [2021-06-02 01:26:45,268 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 171 [2021-06-02 01:26:45,683 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 197 [2021-06-02 01:26:46,281 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 258 [2021-06-02 01:26:47,059 WARN L205 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 412 DAG size of output: 386 [2021-06-02 01:26:47,913 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 225 [2021-06-02 01:26:48,680 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 232 [2021-06-02 01:26:49,081 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 409 [2021-06-02 01:26:49,678 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 187 [2021-06-02 01:26:50,107 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 236 [2021-06-02 01:26:50,517 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 363 [2021-06-02 01:26:51,555 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 671 DAG size of output: 631 [2021-06-02 01:26:54,010 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 1059 DAG size of output: 950 [2021-06-02 01:26:55,344 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 339 [2021-06-02 01:26:56,451 WARN L205 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 494 [2021-06-02 01:26:56,891 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 175 [2021-06-02 01:26:57,414 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 262 [2021-06-02 01:26:58,013 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 202 [2021-06-02 01:26:58,441 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 346 [2021-06-02 01:26:58,915 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 196 [2021-06-02 01:27:00,310 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 223 [2021-06-02 01:27:00,689 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 365 [2021-06-02 01:27:01,621 WARN L205 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 543 [2021-06-02 01:27:04,190 WARN L205 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 955 DAG size of output: 899 [2021-06-02 01:27:04,550 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 443 [2021-06-02 01:27:04,778 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 414 [2021-06-02 01:27:05,812 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2021-06-02 01:27:06,675 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 314 [2021-06-02 01:27:07,762 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 567 DAG size of output: 486 [2021-06-02 01:27:08,533 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2021-06-02 01:27:08,897 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 357 [2021-06-02 01:27:09,542 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 179 [2021-06-02 01:27:10,030 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 267 [2021-06-02 01:27:10,687 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 321 [2021-06-02 01:27:11,825 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 657 DAG size of output: 632 [2021-06-02 01:27:14,558 WARN L205 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 1028 DAG size of output: 939 [2021-06-02 01:27:20,682 WARN L205 SmtUtils]: Spent 6.12 s on a formula simplification. DAG size of input: 1751 DAG size of output: 1638 [2021-06-02 01:27:20,877 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 336 [2021-06-02 01:27:21,076 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 350 [2021-06-02 01:27:21,865 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 206 [2021-06-02 01:27:22,690 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 229 [2021-06-02 01:27:23,093 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 401 [2021-06-02 01:27:23,882 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 206 [2021-06-02 01:27:24,699 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 229 [2021-06-02 01:27:25,084 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 399 [2021-06-02 01:27:26,079 WARN L205 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 593 DAG size of output: 560 [2021-06-02 01:27:27,007 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 229 [2021-06-02 01:27:27,473 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 338 [2021-06-02 01:27:28,023 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 273 [2021-06-02 01:27:28,715 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 251 [2021-06-02 01:27:29,149 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 411 [2021-06-02 01:27:30,198 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 699 DAG size of output: 672 [2021-06-02 01:27:32,849 WARN L205 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 919 DAG size of output: 917 [2021-06-02 01:27:45,719 WARN L205 SmtUtils]: Spent 12.86 s on a formula simplification. DAG size of input: 2798 DAG size of output: 2616 [2021-06-02 01:27:46,253 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 357 [2021-06-02 01:27:46,564 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 294 [2021-06-02 01:27:47,090 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 269 [2021-06-02 01:27:47,315 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 239 [2021-06-02 01:27:47,670 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 375 [2021-06-02 01:27:47,815 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 192 [2021-06-02 01:27:47,957 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 213 [2021-06-02 01:27:48,891 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 284 [2021-06-02 01:27:49,288 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 444 [2021-06-02 01:27:50,342 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 736 DAG size of output: 677 [2021-06-02 01:27:51,001 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 191 [2021-06-02 01:27:51,752 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 345 [2021-06-02 01:27:52,291 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 329 [2021-06-02 01:27:52,862 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 573 [2021-06-02 01:27:54,913 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 1156 DAG size of output: 1078 [2021-06-02 01:27:55,455 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 384 [2021-06-02 01:27:55,810 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 266 [2021-06-02 01:27:56,992 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 312 [2021-06-02 01:27:57,246 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 372 [2021-06-02 01:27:57,980 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 310 [2021-06-02 01:27:58,783 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 387 [2021-06-02 01:27:59,681 WARN L205 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 546 [2021-06-02 01:28:00,458 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 395 [2021-06-02 01:28:01,282 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 361 [2021-06-02 01:28:01,779 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 346 [2021-06-02 01:28:02,310 WARN L205 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 636 DAG size of output: 608 [2021-06-02 01:28:02,652 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 158 [2021-06-02 01:28:04,117 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 750 DAG size of output: 745 [2021-06-02 01:28:07,251 WARN L205 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 1194 DAG size of output: 1165 [2021-06-02 01:28:13,304 WARN L205 SmtUtils]: Spent 6.05 s on a formula simplification. DAG size of input: 1806 DAG size of output: 1809 [2021-06-02 01:28:14,426 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 519 DAG size of output: 688 [2021-06-02 01:28:16,080 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 516 DAG size of output: 892 [2021-06-02 01:28:17,031 WARN L205 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 737 [2021-06-02 01:28:17,965 WARN L205 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 574 [2021-06-02 01:28:18,817 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 258 [2021-06-02 01:28:20,197 WARN L205 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 473 DAG size of output: 440 [2021-06-02 01:28:21,982 WARN L205 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 862 DAG size of output: 806 [2021-06-02 01:28:23,035 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 513 DAG size of output: 761 [2021-06-02 01:28:23,845 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 208 [2021-06-02 01:28:24,483 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 248 [2021-06-02 01:28:24,885 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 373 [2021-06-02 01:28:25,599 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 479 [2021-06-02 01:28:27,113 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 279 [2021-06-02 01:28:28,671 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 286 [2021-06-02 01:28:29,390 WARN L205 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 501 [2021-06-02 01:28:30,874 WARN L205 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 912 DAG size of output: 760 [2021-06-02 01:28:33,166 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 1410 DAG size of output: 1067 [2021-06-02 01:28:37,533 WARN L205 SmtUtils]: Spent 4.36 s on a formula simplification. DAG size of input: 1801 DAG size of output: 1435 [2021-06-02 01:28:45,083 WARN L205 SmtUtils]: Spent 7.54 s on a formula simplification. DAG size of input: 2476 DAG size of output: 2016 [2021-06-02 01:28:45,368 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 284 [2021-06-02 01:28:46,150 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 201 [2021-06-02 01:28:46,565 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 202 [2021-06-02 01:28:46,871 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 332 [2021-06-02 01:28:47,509 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 162 [2021-06-02 01:28:47,783 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 211 [2021-06-02 01:28:48,829 WARN L205 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 501 [2021-06-02 01:28:49,942 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 708 DAG size of output: 681 [2021-06-02 01:28:50,095 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 265 [2021-06-02 01:28:50,228 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 246 [2021-06-02 01:28:50,667 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 188 [2021-06-02 01:28:50,887 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 248 [2021-06-02 01:28:51,021 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 199 [2021-06-02 01:28:51,585 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 345 [2021-06-02 01:28:52,333 WARN L205 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 461 [2021-06-02 01:28:54,518 WARN L205 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 1084 DAG size of output: 982 [2021-06-02 01:28:54,708 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 302 [2021-06-02 01:28:54,852 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 278 [2021-06-02 01:28:55,866 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 372 [2021-06-02 01:28:56,669 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 256 [2021-06-02 01:28:57,445 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 471 [2021-06-02 01:28:58,452 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 653 DAG size of output: 664 [2021-06-02 01:28:59,278 WARN L205 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 623 [2021-06-02 01:28:59,738 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 488 [2021-06-02 01:29:00,998 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 247 [2021-06-02 01:29:02,290 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 253 [2021-06-02 01:29:02,873 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 421 [2021-06-02 01:29:03,895 WARN L205 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 698 DAG size of output: 570 [2021-06-02 01:29:05,954 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 957 DAG size of output: 814 [2021-06-02 01:29:06,462 WARN L205 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 512 [2021-06-02 01:29:07,916 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 274 [2021-06-02 01:29:09,386 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 280 [2021-06-02 01:29:10,089 WARN L205 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 593 DAG size of output: 485 [2021-06-02 01:29:11,548 WARN L205 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 897 DAG size of output: 738 [2021-06-02 01:29:14,015 WARN L205 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 1166 DAG size of output: 985 [2021-06-02 01:29:19,522 WARN L205 SmtUtils]: Spent 5.50 s on a formula simplification. DAG size of input: 1695 DAG size of output: 1418 [2021-06-02 01:29:27,715 WARN L205 SmtUtils]: Spent 8.18 s on a formula simplification. DAG size of input: 2809 DAG size of output: 2327 [2021-06-02 01:29:45,433 WARN L205 SmtUtils]: Spent 17.71 s on a formula simplification. DAG size of input: 3806 DAG size of output: 3180 [2021-06-02 01:29:45,723 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 201 [2021-06-02 01:29:46,067 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 269 [2021-06-02 01:29:46,380 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 203 [2021-06-02 01:29:46,604 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 197 [2021-06-02 01:29:46,872 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 300 [2021-06-02 01:29:47,729 WARN L205 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 552 [2021-06-02 01:30:43,171 WARN L205 SmtUtils]: Spent 55.43 s on a formula simplification. DAG size of input: 8539 DAG size of output: 8150 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown