/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/channel-sum.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 21:02:59,814 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 21:02:59,815 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 21:02:59,835 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 21:02:59,841 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 21:02:59,842 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 21:02:59,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 21:02:59,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 21:02:59,843 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 21:02:59,844 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 21:02:59,845 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 21:02:59,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 21:02:59,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 21:02:59,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 21:02:59,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 21:02:59,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 21:02:59,854 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-14 21:02:59,856 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-14 21:02:59,856 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-14 21:02:59,857 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-14 21:02:59,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-14 21:02:59,858 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-14 21:02:59,858 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-14 21:02:59,858 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-14 21:02:59,859 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-14 21:02:59,859 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 21:02:59,859 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 21:02:59,860 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 21:02:59,863 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf [2021-07-14 21:02:59,897 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 21:02:59,897 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 21:02:59,898 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 21:02:59,898 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 21:02:59,900 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 21:02:59,900 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 21:02:59,900 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 21:02:59,900 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 21:02:59,900 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 21:02:59,900 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 21:02:59,901 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 21:02:59,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 21:02:59,901 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 21:02:59,901 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 21:02:59,901 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 21:02:59,901 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 21:02:59,901 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 21:02:59,902 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 21:02:59,902 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 21:02:59,902 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 21:02:59,902 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 21:02:59,902 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 21:02:59,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 21:02:59,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 21:02:59,908 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 21:02:59,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 21:02:59,913 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 21:02:59,913 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 21:02:59,913 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-14 21:02:59,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 21:02:59,913 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 21:02:59,913 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 21:02:59,913 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 21:02:59,913 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 21:02:59,914 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-14 21:02:59,914 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 21:03:00,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 21:03:00,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 21:03:00,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 21:03:00,167 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 21:03:00,167 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 21:03:00,168 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/channel-sum.wvr.bpl [2021-07-14 21:03:00,168 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/channel-sum.wvr.bpl' [2021-07-14 21:03:00,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 21:03:00,184 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 21:03:00,185 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 21:03:00,185 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 21:03:00,185 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 21:03:00,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:03:00" (1/1) ... [2021-07-14 21:03:00,199 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:03:00" (1/1) ... [2021-07-14 21:03:00,207 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 21:03:00,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 21:03:00,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 21:03:00,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 21:03:00,213 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:03:00" (1/1) ... [2021-07-14 21:03:00,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:03:00" (1/1) ... [2021-07-14 21:03:00,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:03:00" (1/1) ... [2021-07-14 21:03:00,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:03:00" (1/1) ... [2021-07-14 21:03:00,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:03:00" (1/1) ... [2021-07-14 21:03:00,217 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:03:00" (1/1) ... [2021-07-14 21:03:00,218 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:03:00" (1/1) ... [2021-07-14 21:03:00,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 21:03:00,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 21:03:00,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 21:03:00,220 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 21:03:00,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:03:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 21:03:00,276 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 21:03:00,276 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 21:03:00,276 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 21:03:00,276 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 21:03:00,276 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 21:03:00,276 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 21:03:00,276 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 21:03:00,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 21:03:00,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 21:03:00,278 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 21:03:00,423 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 21:03:00,423 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-14 21:03:00,423 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-14 21:03:00,424 INFO L202 PluginConnector]: Adding new model channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 09:03:00 BoogieIcfgContainer [2021-07-14 21:03:00,425 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 21:03:00,426 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 21:03:00,426 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 21:03:00,428 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 21:03:00,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:03:00" (1/2) ... [2021-07-14 21:03:00,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eb07997 and model type channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 09:03:00, skipping insertion in model container [2021-07-14 21:03:00,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 09:03:00" (2/2) ... [2021-07-14 21:03:00,429 INFO L111 eAbstractionObserver]: Analyzing ICFG channel-sum.wvr.bpl [2021-07-14 21:03:00,433 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 21:03:00,433 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 21:03:00,433 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 21:03:00,433 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 21:03:00,486 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 21:03:00,514 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 21:03:00,587 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 21:03:00,587 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 21:03:00,588 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 21:03:00,588 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 21:03:00,588 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 21:03:00,588 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 21:03:00,588 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 21:03:00,588 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 21:03:00,685 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:03:00,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:03:00,688 INFO L82 PathProgramCache]: Analyzing trace with hash 85164376, now seen corresponding path program 1 times [2021-07-14 21:03:00,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:03:00,694 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479873418] [2021-07-14 21:03:00,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:03:00,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:03:00,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:03:00,792 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:03:00,794 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479873418] [2021-07-14 21:03:00,795 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479873418] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 21:03:00,795 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 21:03:00,795 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 21:03:00,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397292552] [2021-07-14 21:03:00,799 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 21:03:00,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:03:00,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 21:03:00,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 21:03:00,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:00,812 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:03:00,813 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:03:00,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:00,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:00,822 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 21:03:00,822 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:03:00,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:03:00,823 INFO L82 PathProgramCache]: Analyzing trace with hash 799160471, now seen corresponding path program 1 times [2021-07-14 21:03:00,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:03:00,823 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520601998] [2021-07-14 21:03:00,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:03:00,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:03:00,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:03:00,841 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:03:00,842 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520601998] [2021-07-14 21:03:00,842 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520601998] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 21:03:00,842 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 21:03:00,842 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 21:03:00,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195874947] [2021-07-14 21:03:00,843 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 21:03:00,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:03:00,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 21:03:00,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 21:03:00,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:00,844 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:03:00,844 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:03:00,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:00,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:00,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:00,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:00,854 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 21:03:00,854 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:03:00,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:03:00,854 INFO L82 PathProgramCache]: Analyzing trace with hash 894347949, now seen corresponding path program 1 times [2021-07-14 21:03:00,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:03:00,855 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835056259] [2021-07-14 21:03:00,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:03:00,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:03:00,866 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 21:03:00,866 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:03:00,866 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835056259] [2021-07-14 21:03:00,866 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835056259] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 21:03:00,866 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 21:03:00,866 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 21:03:00,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509825796] [2021-07-14 21:03:00,867 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 21:03:00,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:03:00,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 21:03:00,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 21:03:00,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:00,867 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:03:00,868 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:03:00,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:00,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:00,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:00,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:00,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:00,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:00,879 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 21:03:00,879 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:03:00,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:03:00,880 INFO L82 PathProgramCache]: Analyzing trace with hash -1407154483, now seen corresponding path program 1 times [2021-07-14 21:03:00,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:03:00,880 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906257318] [2021-07-14 21:03:00,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:03:00,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:03:00,948 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:03:00,948 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:03:00,949 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906257318] [2021-07-14 21:03:00,949 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906257318] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:03:00,949 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1689118494] [2021-07-14 21:03:00,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:03:00,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:03:00,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 21:03:01,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:03:01,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-14 21:03:01,095 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:03:01,099 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:03:01,103 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:03:01,104 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:10 [2021-07-14 21:03:01,147 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:03:01,147 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1689118494] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:03:01,148 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:03:01,148 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-07-14 21:03:01,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040440390] [2021-07-14 21:03:01,148 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 21:03:01,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:03:01,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 21:03:01,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-07-14 21:03:01,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:01,149 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:03:01,149 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:03:01,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:01,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:01,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:01,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:01,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:01,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:01,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:01,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:03:01,417 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:03:01,417 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:03:01,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:03:01,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1199813836, now seen corresponding path program 2 times [2021-07-14 21:03:01,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:03:01,418 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82707510] [2021-07-14 21:03:01,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:03:01,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:03:01,453 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:03:01,453 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:03:01,454 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82707510] [2021-07-14 21:03:01,454 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82707510] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:03:01,454 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [358206205] [2021-07-14 21:03:01,454 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:03:01,498 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 21:03:01,498 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:03:01,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-14 21:03:01,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:03:01,541 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:03:01,541 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [358206205] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:03:01,541 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:03:01,541 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 4 [2021-07-14 21:03:01,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004036] [2021-07-14 21:03:01,542 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 21:03:01,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:03:01,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 21:03:01,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-07-14 21:03:01,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:01,543 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:03:01,543 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:03:01,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:01,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:01,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:01,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:03:01,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:01,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:01,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:01,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:01,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:03:01,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:01,774 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:03:01,774 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:03:01,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:03:01,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1444971574, now seen corresponding path program 1 times [2021-07-14 21:03:01,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:03:01,775 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953637680] [2021-07-14 21:03:01,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:03:01,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:03:01,903 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:03:01,903 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:03:01,903 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953637680] [2021-07-14 21:03:01,903 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953637680] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:03:01,904 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [761216692] [2021-07-14 21:03:01,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:03:01,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:03:01,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-14 21:03:01,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:03:02,099 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-14 21:03:02,100 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 34 treesize of output 18 [2021-07-14 21:03:02,102 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:03:02,106 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:03:02,107 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:03:02,107 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:34, output treesize:12 [2021-07-14 21:03:02,125 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:03:02,125 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [761216692] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:03:02,125 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:03:02,125 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-07-14 21:03:02,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529422180] [2021-07-14 21:03:02,127 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 21:03:02,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:03:02,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 21:03:02,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-07-14 21:03:02,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:02,127 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:03:02,128 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.0) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:03:02,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:02,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:02,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:02,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:03:02,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:02,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:02,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:02,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:02,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:02,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:03:02,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:02,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:03:02,418 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:03:02,418 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:03:02,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:03:02,419 INFO L82 PathProgramCache]: Analyzing trace with hash 1903819765, now seen corresponding path program 2 times [2021-07-14 21:03:02,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:03:02,419 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262548871] [2021-07-14 21:03:02,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:03:02,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:03:02,459 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:03:02,459 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:03:02,460 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262548871] [2021-07-14 21:03:02,460 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262548871] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:03:02,460 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [30035470] [2021-07-14 21:03:02,460 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:03:02,488 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 21:03:02,488 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:03:02,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 21:03:02,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:03:02,534 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:03:02,535 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [30035470] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:03:02,535 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:03:02,535 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 5 [2021-07-14 21:03:02,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172057272] [2021-07-14 21:03:02,535 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 21:03:02,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:03:02,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 21:03:02,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-07-14 21:03:02,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:02,536 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:03:02,536 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:03:02,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:02,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:02,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:02,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:03:02,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:02,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:03:02,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:02,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:02,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:02,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:02,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:03:02,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:02,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:03:02,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:03:02,768 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-07-14 21:03:02,769 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:03:02,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:03:02,769 INFO L82 PathProgramCache]: Analyzing trace with hash 342376139, now seen corresponding path program 3 times [2021-07-14 21:03:02,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:03:02,770 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931299469] [2021-07-14 21:03:02,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:03:02,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:03:02,783 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-07-14 21:03:02,784 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:03:02,784 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931299469] [2021-07-14 21:03:02,784 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931299469] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 21:03:02,784 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 21:03:02,784 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-14 21:03:02,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111500730] [2021-07-14 21:03:02,784 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 21:03:02,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:03:02,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 21:03:02,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 21:03:02,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:02,785 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:03:02,785 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:03:02,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:02,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:02,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:02,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:03:02,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:02,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:03:02,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:03:02,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:02,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:02,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:02,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:02,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:03:02,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:02,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:03:02,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:03:02,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:02,799 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-07-14 21:03:02,799 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:03:02,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:03:02,799 INFO L82 PathProgramCache]: Analyzing trace with hash 1809859605, now seen corresponding path program 4 times [2021-07-14 21:03:02,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:03:02,800 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426114796] [2021-07-14 21:03:02,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:03:02,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:03:02,979 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 21:03:02,979 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:03:02,979 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426114796] [2021-07-14 21:03:02,979 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426114796] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:03:02,979 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1431757405] [2021-07-14 21:03:02,980 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:03:03,007 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 21:03:03,007 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:03:03,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-14 21:03:03,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:03:03,218 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-07-14 21:03:03,218 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 53 treesize of output 25 [2021-07-14 21:03:03,221 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:03:03,224 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:03:03,225 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:03:03,225 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:53, output treesize:10 [2021-07-14 21:03:03,234 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 21:03:03,234 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1431757405] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:03:03,234 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:03:03,234 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 16 [2021-07-14 21:03:03,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7721712] [2021-07-14 21:03:03,234 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 21:03:03,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:03:03,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 21:03:03,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2021-07-14 21:03:03,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:03,235 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:03:03,235 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.9411764705882353) internal successors, (33), 16 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:03:03,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:03,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:03,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:03,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:03:03,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:03,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:03:03,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:03:03,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:03,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:03,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:03,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:03,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:03,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:03:03,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:03,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:03:03,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:03:03,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:03,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:03:03,536 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:03:03,537 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:03:03,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:03:03,537 INFO L82 PathProgramCache]: Analyzing trace with hash 373899284, now seen corresponding path program 5 times [2021-07-14 21:03:03,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:03:03,537 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191325804] [2021-07-14 21:03:03,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:03:03,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:03:03,763 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:03:03,763 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:03:03,763 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191325804] [2021-07-14 21:03:03,764 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191325804] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:03:03,764 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [578284889] [2021-07-14 21:03:03,764 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:03:03,804 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-14 21:03:03,805 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:03:03,805 WARN L261 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 42 conjunts are in the unsatisfiable core [2021-07-14 21:03:03,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:03:04,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:04,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:04,237 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:03:04,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:04,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:04,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:04,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:04,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:04,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:04,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:04,243 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:03:04,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:04,245 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:03:04,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:04,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:04,246 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:03:04,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 26 [2021-07-14 21:03:04,249 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:03:04,254 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:03:04,255 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:03:04,256 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:62, output treesize:9 [2021-07-14 21:03:04,274 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:03:04,274 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [578284889] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:03:04,274 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:03:04,274 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 27 [2021-07-14 21:03:04,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372257250] [2021-07-14 21:03:04,277 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-14 21:03:04,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:03:04,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-14 21:03:04,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=674, Unknown=0, NotChecked=0, Total=756 [2021-07-14 21:03:04,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:04,279 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:03:04,279 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 2.0) internal successors, (56), 27 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:03:04,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:04,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:04,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:04,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:03:04,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:04,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:03:04,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:03:04,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:04,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:03:04,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:04,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:04,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:04,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:04,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:03:04,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:04,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:03:04,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:03:04,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:04,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:03:04,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:04,871 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-07-14 21:03:04,871 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:03:04,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:03:04,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1814419571, now seen corresponding path program 6 times [2021-07-14 21:03:04,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:03:04,872 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526106080] [2021-07-14 21:03:04,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:03:04,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:03:05,177 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 21:03:05,177 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:03:05,177 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526106080] [2021-07-14 21:03:05,177 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526106080] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:03:05,177 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [150456391] [2021-07-14 21:03:05,177 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:03:05,210 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-14 21:03:05,210 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:03:05,211 WARN L261 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 51 conjunts are in the unsatisfiable core [2021-07-14 21:03:05,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:03:05,595 INFO L354 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2021-07-14 21:03:05,596 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 89 treesize of output 37 [2021-07-14 21:03:05,598 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:03:05,602 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:03:05,602 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:03:05,602 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:89, output treesize:10 [2021-07-14 21:03:05,614 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 21:03:05,614 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [150456391] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:03:05,615 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:03:05,615 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 26 [2021-07-14 21:03:05,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890802630] [2021-07-14 21:03:05,616 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-14 21:03:05,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:03:05,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-14 21:03:05,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=614, Unknown=0, NotChecked=0, Total=702 [2021-07-14 21:03:05,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:05,617 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:03:05,617 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.7407407407407407) internal successors, (47), 26 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:03:05,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:05,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:05,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:05,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:03:05,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:05,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:03:05,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:03:05,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:05,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:03:05,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:05,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:05,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:05,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:05,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:05,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:03:05,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:05,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:03:05,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:03:05,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:05,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:03:05,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:05,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:06,000 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-07-14 21:03:06,001 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:03:06,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:03:06,001 INFO L82 PathProgramCache]: Analyzing trace with hash 461059314, now seen corresponding path program 7 times [2021-07-14 21:03:06,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:03:06,001 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616609412] [2021-07-14 21:03:06,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:03:06,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:03:06,443 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:03:06,443 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:03:06,443 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616609412] [2021-07-14 21:03:06,443 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616609412] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:03:06,443 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466137487] [2021-07-14 21:03:06,443 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:03:06,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:03:06,475 WARN L261 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 61 conjunts are in the unsatisfiable core [2021-07-14 21:03:06,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:03:06,971 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-07-14 21:03:06,971 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 108 treesize of output 44 [2021-07-14 21:03:06,973 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:03:06,976 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:03:06,977 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:03:06,977 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:108, output treesize:12 [2021-07-14 21:03:07,003 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:03:07,003 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1466137487] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:03:07,003 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:03:07,003 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 31 [2021-07-14 21:03:07,003 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131233357] [2021-07-14 21:03:07,004 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-07-14 21:03:07,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:03:07,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-07-14 21:03:07,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=875, Unknown=0, NotChecked=0, Total=992 [2021-07-14 21:03:07,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:07,004 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:03:07,005 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 1.625) internal successors, (52), 31 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:03:07,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:07,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:07,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:07,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:03:07,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:07,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:03:07,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:03:07,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:07,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:03:07,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:07,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:07,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:07,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:07,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:07,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:07,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:03:07,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:07,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:03:07,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:03:07,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:07,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:03:07,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:07,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:07,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:03:07,426 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:03:07,427 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:03:07,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:03:07,427 INFO L82 PathProgramCache]: Analyzing trace with hash -1236021721, now seen corresponding path program 8 times [2021-07-14 21:03:07,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:03:07,427 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938171812] [2021-07-14 21:03:07,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:03:07,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:03:08,000 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:03:08,000 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:03:08,000 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938171812] [2021-07-14 21:03:08,000 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938171812] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:03:08,000 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1854227360] [2021-07-14 21:03:08,000 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:03:08,049 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 21:03:08,049 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:03:08,050 WARN L261 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 71 conjunts are in the unsatisfiable core [2021-07-14 21:03:08,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:03:08,692 INFO L354 Elim1Store]: treesize reduction 240, result has 0.4 percent of original size [2021-07-14 21:03:08,693 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 125 treesize of output 49 [2021-07-14 21:03:08,694 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:03:08,698 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:03:08,698 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:03:08,698 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:125, output treesize:10 [2021-07-14 21:03:08,707 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:03:08,707 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1854227360] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:03:08,707 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:03:08,707 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 36 [2021-07-14 21:03:08,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074370651] [2021-07-14 21:03:08,708 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-14 21:03:08,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:03:08,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-14 21:03:08,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=1191, Unknown=0, NotChecked=0, Total=1332 [2021-07-14 21:03:08,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:08,709 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:03:08,709 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.5945945945945945) internal successors, (59), 36 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:03:08,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:08,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:08,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:08,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:03:08,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:08,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:03:08,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:03:08,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:08,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:03:08,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:08,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:08,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:03:08,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:08,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:08,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:08,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:08,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:03:08,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:08,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:03:08,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:03:08,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:08,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:03:08,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:08,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:08,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:03:08,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:03:09,147 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:03:09,147 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:03:09,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:03:09,148 INFO L82 PathProgramCache]: Analyzing trace with hash 576971472, now seen corresponding path program 9 times [2021-07-14 21:03:09,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:03:09,148 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617291484] [2021-07-14 21:03:09,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:03:09,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:03:09,769 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:03:09,769 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:03:09,769 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617291484] [2021-07-14 21:03:09,769 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617291484] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:03:09,769 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2060136160] [2021-07-14 21:03:09,769 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:03:09,803 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-07-14 21:03:09,803 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:03:09,804 WARN L261 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 81 conjunts are in the unsatisfiable core [2021-07-14 21:03:09,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:03:10,686 INFO L354 Elim1Store]: treesize reduction 322, result has 0.3 percent of original size [2021-07-14 21:03:10,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 144 treesize of output 56 [2021-07-14 21:03:10,688 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:03:10,691 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:03:10,692 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:03:10,692 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:144, output treesize:12 [2021-07-14 21:03:10,699 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:03:10,699 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2060136160] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:03:10,699 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:03:10,700 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 41 [2021-07-14 21:03:10,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733327150] [2021-07-14 21:03:10,700 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-07-14 21:03:10,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:03:10,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-07-14 21:03:10,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=1546, Unknown=0, NotChecked=0, Total=1722 [2021-07-14 21:03:10,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:10,701 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:03:10,701 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 1.5714285714285714) internal successors, (66), 41 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) [2021-07-14 21:03:10,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:10,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:10,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:10,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:03:10,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:10,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:03:10,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:03:10,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:10,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:03:10,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:10,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:10,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:03:10,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:03:10,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:11,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:11,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:11,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:11,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:03:11,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:11,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:03:11,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:03:11,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:11,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:03:11,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:11,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:11,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:03:11,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:03:11,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:03:11,240 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-07-14 21:03:11,241 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:03:11,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:03:11,241 INFO L82 PathProgramCache]: Analyzing trace with hash -687010491, now seen corresponding path program 10 times [2021-07-14 21:03:11,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:03:11,241 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242520417] [2021-07-14 21:03:11,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:03:11,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:03:11,997 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 178 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:03:11,997 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:03:11,997 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242520417] [2021-07-14 21:03:11,997 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242520417] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:03:11,997 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1589344624] [2021-07-14 21:03:11,998 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:03:12,030 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 21:03:12,031 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:03:12,032 WARN L261 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 91 conjunts are in the unsatisfiable core [2021-07-14 21:03:12,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:03:13,107 INFO L354 Elim1Store]: treesize reduction 416, result has 0.2 percent of original size [2021-07-14 21:03:13,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 161 treesize of output 61 [2021-07-14 21:03:13,110 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:03:13,114 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:03:13,114 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:03:13,114 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:161, output treesize:10 [2021-07-14 21:03:13,123 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 178 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:03:13,123 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1589344624] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:03:13,124 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:03:13,124 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 46 [2021-07-14 21:03:13,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25194631] [2021-07-14 21:03:13,124 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-07-14 21:03:13,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:03:13,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-07-14 21:03:13,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=1958, Unknown=0, NotChecked=0, Total=2162 [2021-07-14 21:03:13,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:13,125 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:03:13,126 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 1.553191489361702) internal successors, (73), 46 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:03:13,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:13,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:13,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:13,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:03:13,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:13,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:03:13,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:03:13,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:13,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:03:13,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:13,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:13,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:03:13,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:03:13,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:03:13,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:13,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:13,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:13,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:13,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:03:13,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:13,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:03:13,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:03:13,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:13,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:03:13,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:13,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:13,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:03:13,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:03:13,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:03:13,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:03:13,802 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-14 21:03:13,803 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:03:13,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:03:13,803 INFO L82 PathProgramCache]: Analyzing trace with hash -1905210962, now seen corresponding path program 11 times [2021-07-14 21:03:13,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:03:13,803 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531663674] [2021-07-14 21:03:13,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:03:13,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:03:14,750 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:03:14,750 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:03:14,750 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531663674] [2021-07-14 21:03:14,751 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531663674] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:03:14,751 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565485770] [2021-07-14 21:03:14,751 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:03:14,792 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-07-14 21:03:14,793 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:03:14,794 WARN L261 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 103 conjunts are in the unsatisfiable core [2021-07-14 21:03:14,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:03:16,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,526 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:03:16,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:16,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 180 treesize of output 68 [2021-07-14 21:03:16,549 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:03:16,555 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:03:16,556 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:03:16,557 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:186, output treesize:12 [2021-07-14 21:03:16,565 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:03:16,565 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1565485770] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:03:16,565 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:03:16,565 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 52 [2021-07-14 21:03:16,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878606649] [2021-07-14 21:03:16,565 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-07-14 21:03:16,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:03:16,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-07-14 21:03:16,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=2503, Unknown=0, NotChecked=0, Total=2756 [2021-07-14 21:03:16,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:16,566 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:03:16,566 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 1.5660377358490567) internal successors, (83), 52 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:03:16,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:16,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:16,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:16,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:03:16,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:16,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:03:16,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:03:16,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:16,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:03:16,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:16,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:16,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:03:16,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:03:16,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:03:16,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:03:16,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:17,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:17,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:17,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:17,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:03:17,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:17,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:03:17,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:03:17,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:17,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:03:17,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:17,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:17,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:03:17,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:03:17,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:03:17,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:03:17,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 21:03:17,233 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-07-14 21:03:17,233 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:03:17,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:03:17,233 INFO L82 PathProgramCache]: Analyzing trace with hash -1823315059, now seen corresponding path program 12 times [2021-07-14 21:03:17,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:03:17,233 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70942243] [2021-07-14 21:03:17,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:03:17,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:03:18,301 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 293 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 21:03:18,301 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:03:18,301 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70942243] [2021-07-14 21:03:18,302 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70942243] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:03:18,302 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1704307352] [2021-07-14 21:03:18,302 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:03:18,340 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2021-07-14 21:03:18,340 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:03:18,341 WARN L261 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 111 conjunts are in the unsatisfiable core [2021-07-14 21:03:18,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:03:20,028 INFO L354 Elim1Store]: treesize reduction 640, result has 0.2 percent of original size [2021-07-14 21:03:20,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 197 treesize of output 73 [2021-07-14 21:03:20,030 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:03:20,034 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:03:20,034 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:03:20,034 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:197, output treesize:10 [2021-07-14 21:03:20,042 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 293 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 21:03:20,042 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1704307352] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:03:20,042 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:03:20,042 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36] total 56 [2021-07-14 21:03:20,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112391772] [2021-07-14 21:03:20,042 INFO L462 AbstractCegarLoop]: Interpolant automaton has 57 states [2021-07-14 21:03:20,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:03:20,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-07-14 21:03:20,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=277, Invalid=2915, Unknown=0, NotChecked=0, Total=3192 [2021-07-14 21:03:20,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:20,044 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:03:20,044 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 57 states, 57 states have (on average 1.5614035087719298) internal successors, (89), 56 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:03:20,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:20,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:20,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:20,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:03:20,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:20,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:03:20,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:03:20,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:20,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:03:20,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:20,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:20,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:03:20,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:03:20,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:03:20,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:03:20,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 21:03:20,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:20,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:20,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:20,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:20,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:03:20,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:20,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:03:20,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:03:20,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:20,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:03:20,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:20,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:20,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:03:20,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:03:20,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:03:20,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:03:20,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 21:03:20,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 21:03:20,768 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:03:20,768 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:03:20,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:03:20,768 INFO L82 PathProgramCache]: Analyzing trace with hash 701458828, now seen corresponding path program 13 times [2021-07-14 21:03:20,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:03:20,768 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479628576] [2021-07-14 21:03:20,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:03:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:03:22,038 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:03:22,039 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:03:22,039 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479628576] [2021-07-14 21:03:22,039 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479628576] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:03:22,039 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [823965589] [2021-07-14 21:03:22,039 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:03:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:03:22,077 WARN L261 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 121 conjunts are in the unsatisfiable core [2021-07-14 21:03:22,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:03:24,067 INFO L354 Elim1Store]: treesize reduction 770, result has 0.1 percent of original size [2021-07-14 21:03:24,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 216 treesize of output 80 [2021-07-14 21:03:24,069 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:03:24,073 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:03:24,073 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:03:24,073 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:216, output treesize:12 [2021-07-14 21:03:24,081 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:03:24,081 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [823965589] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:03:24,081 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:03:24,081 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39] total 61 [2021-07-14 21:03:24,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548377474] [2021-07-14 21:03:24,082 INFO L462 AbstractCegarLoop]: Interpolant automaton has 62 states [2021-07-14 21:03:24,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:03:24,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2021-07-14 21:03:24,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=324, Invalid=3458, Unknown=0, NotChecked=0, Total=3782 [2021-07-14 21:03:24,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:24,085 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:03:24,085 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 62 states, 62 states have (on average 1.5161290322580645) internal successors, (94), 61 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:03:24,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:24,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:24,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:24,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:03:24,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:24,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:03:24,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:03:24,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:24,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:03:24,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:24,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:24,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:03:24,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:03:24,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:03:24,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:03:24,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 21:03:24,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 21:03:24,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:24,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:24,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:24,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:24,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:03:24,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:24,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:03:24,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:03:24,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:24,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:03:24,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:24,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:24,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:03:24,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:03:24,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:03:24,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:03:24,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 21:03:24,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 21:03:24,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:03:24,838 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-07-14 21:03:24,838 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:03:24,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:03:24,839 INFO L82 PathProgramCache]: Analyzing trace with hash -528169343, now seen corresponding path program 14 times [2021-07-14 21:03:24,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:03:24,839 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274408252] [2021-07-14 21:03:24,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:03:24,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:03:26,348 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 374 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:03:26,349 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:03:26,349 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274408252] [2021-07-14 21:03:26,349 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274408252] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:03:26,349 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1531686179] [2021-07-14 21:03:26,349 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:03:26,387 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 21:03:26,387 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:03:26,388 WARN L261 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 131 conjunts are in the unsatisfiable core [2021-07-14 21:03:26,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:03:28,739 INFO L354 Elim1Store]: treesize reduction 912, result has 0.1 percent of original size [2021-07-14 21:03:28,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 233 treesize of output 85 [2021-07-14 21:03:28,741 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:03:28,744 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:03:28,745 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:03:28,745 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:233, output treesize:10 [2021-07-14 21:03:28,753 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 374 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:03:28,753 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1531686179] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:03:28,753 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:03:28,754 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 42] total 66 [2021-07-14 21:03:28,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699565671] [2021-07-14 21:03:28,754 INFO L462 AbstractCegarLoop]: Interpolant automaton has 67 states [2021-07-14 21:03:28,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:03:28,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-07-14 21:03:28,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=360, Invalid=4062, Unknown=0, NotChecked=0, Total=4422 [2021-07-14 21:03:28,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:28,755 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:03:28,755 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 67 states, 67 states have (on average 1.507462686567164) internal successors, (101), 66 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:03:28,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:28,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:28,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:28,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:03:28,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:28,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:03:28,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:03:28,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:28,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:03:28,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:28,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:28,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:03:28,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:03:28,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:03:28,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:03:28,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 21:03:28,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 21:03:28,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:03:28,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:29,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:29,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:29,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:29,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:03:29,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:29,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:03:29,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:03:29,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:29,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:03:29,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:29,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:29,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:03:29,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:03:29,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:03:29,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:03:29,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 21:03:29,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 21:03:29,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:03:29,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 21:03:29,761 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:03:29,761 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:03:29,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:03:29,761 INFO L82 PathProgramCache]: Analyzing trace with hash -445824406, now seen corresponding path program 15 times [2021-07-14 21:03:29,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:03:29,761 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637024403] [2021-07-14 21:03:29,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:03:29,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:03:31,493 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:03:31,493 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:03:31,493 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637024403] [2021-07-14 21:03:31,494 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637024403] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:03:31,494 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [186856322] [2021-07-14 21:03:31,494 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:03:31,540 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2021-07-14 21:03:31,540 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:03:31,542 WARN L261 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 141 conjunts are in the unsatisfiable core [2021-07-14 21:03:31,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:03:34,327 INFO L354 Elim1Store]: treesize reduction 1066, result has 0.1 percent of original size [2021-07-14 21:03:34,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 252 treesize of output 92 [2021-07-14 21:03:34,330 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:03:34,333 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:03:34,334 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:03:34,334 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:252, output treesize:12 [2021-07-14 21:03:34,342 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:03:34,342 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [186856322] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:03:34,342 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:03:34,342 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45] total 71 [2021-07-14 21:03:34,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845825195] [2021-07-14 21:03:34,343 INFO L462 AbstractCegarLoop]: Interpolant automaton has 72 states [2021-07-14 21:03:34,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:03:34,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2021-07-14 21:03:34,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=413, Invalid=4699, Unknown=0, NotChecked=0, Total=5112 [2021-07-14 21:03:34,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:34,344 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:03:34,344 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 72 states, 72 states have (on average 1.5) internal successors, (108), 71 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:03:34,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:34,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:34,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:34,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:03:34,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:34,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:03:34,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:03:34,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:34,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:03:34,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:34,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:34,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:03:34,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:03:34,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:03:34,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:03:34,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 21:03:34,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 21:03:34,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:03:34,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 21:03:34,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:35,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:35,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:35,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:35,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:03:35,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:35,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:03:35,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:03:35,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:35,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:03:35,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:35,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:35,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:03:35,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:03:35,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:03:35,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:03:35,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 21:03:35,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 21:03:35,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:03:35,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 21:03:35,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 21:03:35,659 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:03:35,659 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:03:35,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:03:35,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1130774687, now seen corresponding path program 16 times [2021-07-14 21:03:35,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:03:35,660 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294648792] [2021-07-14 21:03:35,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:03:35,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:03:37,689 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 0 proven. 499 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:03:37,689 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:03:37,689 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294648792] [2021-07-14 21:03:37,690 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294648792] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:03:37,690 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938546238] [2021-07-14 21:03:37,690 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:03:37,735 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 21:03:37,735 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:03:37,737 WARN L261 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 151 conjunts are in the unsatisfiable core [2021-07-14 21:03:37,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:03:41,012 INFO L354 Elim1Store]: treesize reduction 1232, result has 0.1 percent of original size [2021-07-14 21:03:41,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 269 treesize of output 97 [2021-07-14 21:03:41,014 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:03:41,018 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:03:41,018 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:03:41,018 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:269, output treesize:10 [2021-07-14 21:03:41,026 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 0 proven. 499 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:03:41,026 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1938546238] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:03:41,027 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:03:41,027 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48] total 76 [2021-07-14 21:03:41,027 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228685314] [2021-07-14 21:03:41,027 INFO L462 AbstractCegarLoop]: Interpolant automaton has 77 states [2021-07-14 21:03:41,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:03:41,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2021-07-14 21:03:41,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=453, Invalid=5399, Unknown=0, NotChecked=0, Total=5852 [2021-07-14 21:03:41,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:41,028 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:03:41,028 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 77 states, 77 states have (on average 1.4935064935064934) internal successors, (115), 76 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:03:41,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:41,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:41,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:41,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:03:41,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:41,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:03:41,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:03:41,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:41,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:03:41,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:41,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:41,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:03:41,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:03:41,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:03:41,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:03:41,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 21:03:41,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 21:03:41,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:03:41,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 21:03:41,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 21:03:41,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:42,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:42,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:42,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:42,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:03:42,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:42,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:03:42,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:03:42,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:42,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:03:42,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:42,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:42,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:03:42,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:03:42,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:03:42,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:03:42,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 21:03:42,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 21:03:42,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:03:42,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 21:03:42,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 21:03:42,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 21:03:42,222 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-07-14 21:03:42,223 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:03:42,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:03:42,223 INFO L82 PathProgramCache]: Analyzing trace with hash -1728588728, now seen corresponding path program 17 times [2021-07-14 21:03:42,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:03:42,223 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418762395] [2021-07-14 21:03:42,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:03:42,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:03:44,489 INFO L134 CoverageAnalysis]: Checked inductivity of 568 backedges. 0 proven. 568 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:03:44,489 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:03:44,489 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418762395] [2021-07-14 21:03:44,489 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418762395] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:03:44,489 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49469508] [2021-07-14 21:03:44,489 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:03:44,537 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2021-07-14 21:03:44,537 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:03:44,539 WARN L261 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 163 conjunts are in the unsatisfiable core [2021-07-14 21:03:44,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:03:49,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,228 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:03:49,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:03:49,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 120 disjoint index pairs (out of 136 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 288 treesize of output 104 [2021-07-14 21:03:49,255 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:03:49,261 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:03:49,262 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:03:49,262 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:294, output treesize:12 [2021-07-14 21:03:49,281 INFO L134 CoverageAnalysis]: Checked inductivity of 568 backedges. 0 proven. 568 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:03:49,281 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49469508] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:03:49,281 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:03:49,281 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 51] total 82 [2021-07-14 21:03:49,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45792612] [2021-07-14 21:03:49,281 INFO L462 AbstractCegarLoop]: Interpolant automaton has 83 states [2021-07-14 21:03:49,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:03:49,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2021-07-14 21:03:49,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=523, Invalid=6283, Unknown=0, NotChecked=0, Total=6806 [2021-07-14 21:03:49,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:49,283 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:03:49,283 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 83 states, 83 states have (on average 1.5060240963855422) internal successors, (125), 82 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:03:49,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:49,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:49,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:49,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:03:49,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:49,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:03:49,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:03:49,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:49,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:03:49,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:49,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:49,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:03:49,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:03:49,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:03:49,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:03:49,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 21:03:49,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 21:03:49,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:03:49,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 21:03:49,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 21:03:49,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 21:03:49,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:50,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:50,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:50,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:50,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:03:50,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:50,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:03:50,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:03:50,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:50,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:03:50,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:50,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:50,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:03:50,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:03:50,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:03:50,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:03:50,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 21:03:50,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 21:03:50,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:03:50,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 21:03:50,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 21:03:50,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 21:03:50,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 21:03:50,262 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:03:50,262 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:03:50,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:03:50,263 INFO L82 PathProgramCache]: Analyzing trace with hash -242991193, now seen corresponding path program 18 times [2021-07-14 21:03:50,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:03:50,263 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986273497] [2021-07-14 21:03:50,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:03:50,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:03:52,869 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 0 proven. 683 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 21:03:52,869 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:03:52,869 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986273497] [2021-07-14 21:03:52,869 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986273497] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:03:52,869 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1255631922] [2021-07-14 21:03:52,869 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 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:03:52,920 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2021-07-14 21:03:52,920 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:03:52,922 WARN L261 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 171 conjunts are in the unsatisfiable core [2021-07-14 21:03:52,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:03:57,352 INFO L354 Elim1Store]: treesize reduction 1600, result has 0.1 percent of original size [2021-07-14 21:03:57,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 0 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 136 case distinctions, treesize of input 305 treesize of output 109 [2021-07-14 21:03:57,370 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:03:57,374 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:03:57,374 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:03:57,374 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:305, output treesize:10 [2021-07-14 21:03:57,384 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 0 proven. 683 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 21:03:57,384 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1255631922] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:03:57,384 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:03:57,384 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 54] total 86 [2021-07-14 21:03:57,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812553649] [2021-07-14 21:03:57,384 INFO L462 AbstractCegarLoop]: Interpolant automaton has 87 states [2021-07-14 21:03:57,384 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:03:57,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-07-14 21:03:57,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=556, Invalid=6926, Unknown=0, NotChecked=0, Total=7482 [2021-07-14 21:03:57,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:57,386 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:03:57,386 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 87 states, 87 states have (on average 1.5057471264367817) internal successors, (131), 86 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:03:57,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:57,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:57,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:57,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:03:57,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:57,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:03:57,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:03:57,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:57,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:03:57,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:57,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:57,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:03:57,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:03:57,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:03:57,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:03:57,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 21:03:57,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 21:03:57,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:03:57,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 21:03:57,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 21:03:57,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 21:03:57,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 21:03:57,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:03:58,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:58,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:58,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:03:58,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:03:58,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:58,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:03:58,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:03:58,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:03:58,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:03:58,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:58,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:03:58,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:03:58,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:03:58,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:03:58,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:03:58,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 21:03:58,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 21:03:58,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:03:58,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 21:03:58,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 21:03:58,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 21:03:58,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 21:03:58,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 21:03:58,860 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-07-14 21:03:58,860 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:03:58,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:03:58,861 INFO L82 PathProgramCache]: Analyzing trace with hash -1025728730, now seen corresponding path program 19 times [2021-07-14 21:03:58,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:03:58,861 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396043906] [2021-07-14 21:03:58,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:03:58,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:04:01,783 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 0 proven. 720 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:04:01,783 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:04:01,783 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396043906] [2021-07-14 21:04:01,783 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396043906] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:04:01,783 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [934461332] [2021-07-14 21:04:01,783 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 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:04:01,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:04:01,833 WARN L261 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 181 conjunts are in the unsatisfiable core [2021-07-14 21:04:01,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:04:06,970 INFO L354 Elim1Store]: treesize reduction 1802, result has 0.1 percent of original size [2021-07-14 21:04:06,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 324 treesize of output 116 [2021-07-14 21:04:06,973 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:04:06,977 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:04:06,977 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:04:06,977 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:324, output treesize:12 [2021-07-14 21:04:06,987 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 0 proven. 720 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:04:06,987 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [934461332] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:04:06,987 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:04:06,987 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 57] total 91 [2021-07-14 21:04:06,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115442955] [2021-07-14 21:04:06,987 INFO L462 AbstractCegarLoop]: Interpolant automaton has 92 states [2021-07-14 21:04:06,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:04:06,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2021-07-14 21:04:06,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=621, Invalid=7751, Unknown=0, NotChecked=0, Total=8372 [2021-07-14 21:04:06,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:04:06,989 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:04:06,989 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 92 states, 92 states have (on average 1.4782608695652173) internal successors, (136), 91 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:04:06,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:04:06,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:04:06,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:04:06,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:04:06,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:04:06,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:04:06,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:04:06,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:04:06,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:04:06,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:04:06,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:04:06,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:04:06,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:04:06,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:04:06,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:04:06,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 21:04:06,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 21:04:06,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:04:06,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 21:04:06,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 21:04:06,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 21:04:06,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 21:04:06,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 21:04:06,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:04:08,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:04:08,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:04:08,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:04:08,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:04:08,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:04:08,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:04:08,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:04:08,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:04:08,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:04:08,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:04:08,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:04:08,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:04:08,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:04:08,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:04:08,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:04:08,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 21:04:08,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 21:04:08,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:04:08,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 21:04:08,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 21:04:08,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 21:04:08,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 21:04:08,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 21:04:08,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 21:04:08,753 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-07-14 21:04:08,754 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:04:08,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:04:08,754 INFO L82 PathProgramCache]: Analyzing trace with hash -1007947813, now seen corresponding path program 20 times [2021-07-14 21:04:08,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:04:08,754 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306874401] [2021-07-14 21:04:08,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:04:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:04:12,029 INFO L134 CoverageAnalysis]: Checked inductivity of 803 backedges. 0 proven. 803 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:04:12,029 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:04:12,029 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306874401] [2021-07-14 21:04:12,029 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306874401] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:04:12,029 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [682276964] [2021-07-14 21:04:12,029 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 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:04:12,076 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 21:04:12,076 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:04:12,079 WARN L261 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 191 conjunts are in the unsatisfiable core [2021-07-14 21:04:12,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:04:17,866 INFO L354 Elim1Store]: treesize reduction 2016, result has 0.0 percent of original size [2021-07-14 21:04:17,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 0 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 171 case distinctions, treesize of input 341 treesize of output 121 [2021-07-14 21:04:17,869 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:04:17,872 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:04:17,873 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:04:17,873 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:341, output treesize:10 [2021-07-14 21:04:17,882 INFO L134 CoverageAnalysis]: Checked inductivity of 803 backedges. 0 proven. 803 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:04:17,882 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [682276964] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:04:17,882 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:04:17,882 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 60] total 96 [2021-07-14 21:04:17,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432332879] [2021-07-14 21:04:17,882 INFO L462 AbstractCegarLoop]: Interpolant automaton has 97 states [2021-07-14 21:04:17,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:04:17,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2021-07-14 21:04:17,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=669, Invalid=8643, Unknown=0, NotChecked=0, Total=9312 [2021-07-14 21:04:17,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:04:17,884 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:04:17,884 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 97 states, 97 states have (on average 1.4742268041237114) internal successors, (143), 96 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:04:17,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:04:17,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:04:17,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:04:17,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:04:17,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:04:17,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:04:17,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:04:17,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:04:17,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:04:17,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:04:17,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:04:17,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:04:17,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:04:17,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:04:17,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:04:17,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 21:04:17,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 21:04:17,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:04:17,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 21:04:17,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 21:04:17,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 21:04:17,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 21:04:17,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 21:04:17,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 21:04:17,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:04:19,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:04:19,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:04:19,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:04:19,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:04:19,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:04:19,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:04:19,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:04:19,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:04:19,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:04:19,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:04:19,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:04:19,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:04:19,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:04:19,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:04:19,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:04:19,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 21:04:19,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 21:04:19,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:04:19,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 21:04:19,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 21:04:19,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 21:04:19,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 21:04:19,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 21:04:19,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 21:04:19,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-07-14 21:04:19,601 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:04:19,602 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:04:19,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:04:19,602 INFO L82 PathProgramCache]: Analyzing trace with hash 1212752644, now seen corresponding path program 21 times [2021-07-14 21:04:19,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:04:19,602 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130480065] [2021-07-14 21:04:19,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:04:19,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:04:23,291 INFO L134 CoverageAnalysis]: Checked inductivity of 890 backedges. 0 proven. 890 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:04:23,291 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:04:23,291 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130480065] [2021-07-14 21:04:23,291 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130480065] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:04:23,291 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615855369] [2021-07-14 21:04:23,292 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 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:04:23,351 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 21 check-sat command(s) [2021-07-14 21:04:23,351 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:04:23,353 WARN L261 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 201 conjunts are in the unsatisfiable core [2021-07-14 21:04:23,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:04:29,930 INFO L354 Elim1Store]: treesize reduction 2242, result has 0.0 percent of original size [2021-07-14 21:04:29,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 0 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 190 case distinctions, treesize of input 360 treesize of output 128 [2021-07-14 21:04:29,933 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:04:29,937 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:04:29,937 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:04:29,937 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:360, output treesize:12 [2021-07-14 21:04:29,947 INFO L134 CoverageAnalysis]: Checked inductivity of 890 backedges. 0 proven. 890 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:04:29,947 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615855369] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:04:29,947 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:04:29,947 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63] total 101 [2021-07-14 21:04:29,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041485141] [2021-07-14 21:04:29,947 INFO L462 AbstractCegarLoop]: Interpolant automaton has 102 states [2021-07-14 21:04:29,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:04:29,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2021-07-14 21:04:29,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=740, Invalid=9562, Unknown=0, NotChecked=0, Total=10302 [2021-07-14 21:04:29,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:04:29,948 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:04:29,949 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 102 states, 102 states have (on average 1.4705882352941178) internal successors, (150), 101 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:04:29,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:04:29,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:04:29,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:04:29,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:04:29,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:04:29,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:04:29,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:04:29,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:04:29,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:04:29,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:04:29,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:04:29,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:04:29,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:04:29,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:04:29,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:04:29,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 21:04:29,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 21:04:29,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:04:29,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 21:04:29,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 21:04:29,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 21:04:29,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 21:04:29,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 21:04:29,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 21:04:29,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-07-14 21:04:29,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:04:31,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:04:31,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:04:31,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:04:31,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:04:31,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:04:31,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:04:31,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:04:31,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:04:31,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:04:31,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:04:31,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:04:31,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:04:31,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:04:31,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:04:31,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:04:31,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 21:04:31,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 21:04:31,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:04:31,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 21:04:31,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 21:04:31,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 21:04:31,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 21:04:31,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 21:04:31,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 21:04:31,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-07-14 21:04:31,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-07-14 21:04:31,976 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-07-14 21:04:31,976 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:04:31,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:04:31,976 INFO L82 PathProgramCache]: Analyzing trace with hash 1714627833, now seen corresponding path program 22 times [2021-07-14 21:04:31,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:04:31,977 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420379953] [2021-07-14 21:04:31,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:04:32,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:04:36,643 INFO L134 CoverageAnalysis]: Checked inductivity of 982 backedges. 0 proven. 982 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:04:36,643 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:04:36,643 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420379953] [2021-07-14 21:04:36,643 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420379953] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:04:36,643 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [616966412] [2021-07-14 21:04:36,643 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 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:04:36,691 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 21:04:36,691 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:04:36,694 WARN L261 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 211 conjunts are in the unsatisfiable core [2021-07-14 21:04:36,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:04:44,113 INFO L354 Elim1Store]: treesize reduction 2480, result has 0.0 percent of original size [2021-07-14 21:04:44,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 21 select indices, 21 select index equivalence classes, 0 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 210 case distinctions, treesize of input 377 treesize of output 133 [2021-07-14 21:04:44,116 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:04:44,120 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:04:44,121 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:04:44,121 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:377, output treesize:10 [2021-07-14 21:04:44,131 INFO L134 CoverageAnalysis]: Checked inductivity of 982 backedges. 0 proven. 982 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:04:44,131 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [616966412] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:04:44,131 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:04:44,131 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 66] total 106 [2021-07-14 21:04:44,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864748192] [2021-07-14 21:04:44,132 INFO L462 AbstractCegarLoop]: Interpolant automaton has 107 states [2021-07-14 21:04:44,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:04:44,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2021-07-14 21:04:44,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=792, Invalid=10550, Unknown=0, NotChecked=0, Total=11342 [2021-07-14 21:04:44,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:04:44,133 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:04:44,133 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 107 states, 107 states have (on average 1.4672897196261683) internal successors, (157), 106 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:04:44,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:04:44,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:04:44,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:04:44,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:04:44,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:04:44,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:04:44,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:04:44,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:04:44,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:04:44,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:04:44,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:04:44,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:04:44,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:04:44,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:04:44,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:04:44,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 21:04:44,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 21:04:44,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:04:44,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 21:04:44,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 21:04:44,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 21:04:44,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 21:04:44,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 21:04:44,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 21:04:44,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-07-14 21:04:44,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-07-14 21:04:44,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:04:45,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:04:45,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:04:45,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:04:45,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:04:45,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:04:45,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:04:45,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:04:45,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:04:45,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:04:45,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:04:45,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:04:45,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:04:45,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:04:45,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:04:45,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:04:45,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 21:04:45,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 21:04:45,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:04:45,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 21:04:45,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 21:04:45,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 21:04:45,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 21:04:45,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 21:04:45,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 21:04:45,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-07-14 21:04:45,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-07-14 21:04:45,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 21:04:46,015 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:04:46,016 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:04:46,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:04:46,016 INFO L82 PathProgramCache]: Analyzing trace with hash 892002274, now seen corresponding path program 23 times [2021-07-14 21:04:46,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:04:46,016 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511761635] [2021-07-14 21:04:46,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:04:46,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:04:50,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1078 backedges. 0 proven. 1078 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:04:50,612 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:04:50,612 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511761635] [2021-07-14 21:04:50,612 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511761635] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:04:50,612 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270857636] [2021-07-14 21:04:50,612 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 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:04:50,678 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 23 check-sat command(s) [2021-07-14 21:04:50,678 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:04:50,680 WARN L261 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 222 conjunts are in the unsatisfiable core [2021-07-14 21:04:50,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:05:05,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,403 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:05:05,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,422 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:05:05,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,442 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:05:05,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,482 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:05:05,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,494 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:05:05,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,514 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:05:05,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,554 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:05:05,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,562 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:05:05,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,580 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:05:05,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,599 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:05:05,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,618 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:05:05,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,641 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:05:05,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,650 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:05:05,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,658 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:05:05,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,669 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:05:05,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,682 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:05:05,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,687 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:05:05,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,689 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:05:05,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,696 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:05:05,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,700 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:05:05,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,702 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:05:05,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:05:05,703 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:05:05,704 INFO L244 Elim1Store]: Index analysis took 327 ms [2021-07-14 21:05:05,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 44 select indices, 44 select index equivalence classes, 231 disjoint index pairs (out of 946 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 288 treesize of output 116 [2021-07-14 21:05:05,708 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:05:05,712 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:05:05,713 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:05:05,713 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:296, output treesize:9 [2021-07-14 21:05:05,782 INFO L134 CoverageAnalysis]: Checked inductivity of 1078 backedges. 0 proven. 1078 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:05:05,782 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270857636] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:05:05,782 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:05:05,783 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [69, 69] total 135 [2021-07-14 21:05:05,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79669749] [2021-07-14 21:05:05,783 INFO L462 AbstractCegarLoop]: Interpolant automaton has 136 states [2021-07-14 21:05:05,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:05:05,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2021-07-14 21:05:05,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=694, Invalid=17666, Unknown=0, NotChecked=0, Total=18360 [2021-07-14 21:05:05,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:05:05,784 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:05:05,785 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 136 states, 136 states have (on average 1.7352941176470589) internal successors, (236), 135 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:05:05,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:05:05,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:05:05,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:05:05,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:05:05,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:05:05,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:05:05,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:05:05,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:05:05,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:05:05,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:05:05,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:05:05,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:05:05,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:05:05,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:05:05,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:05:05,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 21:05:05,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 21:05:05,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:05:05,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 21:05:05,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 21:05:05,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 21:05:05,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 21:05:05,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 21:05:05,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 21:05:05,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-07-14 21:05:05,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-07-14 21:05:05,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 21:05:05,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:05:10,949 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2021-07-14 21:05:11,509 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 132 [2021-07-14 21:05:12,061 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 136 [2021-07-14 21:05:12,638 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 150 [2021-07-14 21:05:13,251 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 154 [2021-07-14 21:05:13,890 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 168 [2021-07-14 21:05:14,571 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 172 [2021-07-14 21:05:15,280 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2021-07-14 21:05:16,020 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2021-07-14 21:05:16,528 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2021-07-14 21:05:17,123 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 208 [2021-07-14 21:05:17,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:05:17,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:05:17,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:05:17,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:05:17,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:05:17,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:05:17,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:05:17,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:05:17,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:05:17,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:05:17,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:05:17,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:05:17,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:05:17,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:05:17,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:05:17,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 21:05:17,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 21:05:17,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:05:17,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 21:05:17,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 21:05:17,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 21:05:17,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 21:05:17,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 21:05:17,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 21:05:17,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-07-14 21:05:17,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-07-14 21:05:17,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 21:05:17,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-14 21:05:18,091 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-07-14 21:05:18,091 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:05:18,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:05:18,092 INFO L82 PathProgramCache]: Analyzing trace with hash 359126209, now seen corresponding path program 24 times [2021-07-14 21:05:18,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:05:18,092 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323207710] [2021-07-14 21:05:18,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:05:18,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:05:23,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1237 backedges. 0 proven. 1235 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 21:05:23,393 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:05:23,393 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323207710] [2021-07-14 21:05:23,393 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323207710] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:05:23,393 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1907937014] [2021-07-14 21:05:23,393 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:05:23,460 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 24 check-sat command(s) [2021-07-14 21:05:23,460 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:05:23,463 WARN L261 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 231 conjunts are in the unsatisfiable core [2021-07-14 21:05:23,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:05:32,910 INFO L354 Elim1Store]: treesize reduction 2992, result has 0.0 percent of original size [2021-07-14 21:05:32,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 23 select indices, 23 select index equivalence classes, 0 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 253 case distinctions, treesize of input 413 treesize of output 145 [2021-07-14 21:05:32,913 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:05:32,917 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:05:32,917 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:05:32,917 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:413, output treesize:10 [2021-07-14 21:05:32,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1237 backedges. 0 proven. 1235 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 21:05:32,928 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1907937014] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:05:32,928 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:05:32,928 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [72, 72] total 116 [2021-07-14 21:05:32,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166358439] [2021-07-14 21:05:32,928 INFO L462 AbstractCegarLoop]: Interpolant automaton has 117 states [2021-07-14 21:05:32,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:05:32,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2021-07-14 21:05:32,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=925, Invalid=12647, Unknown=0, NotChecked=0, Total=13572 [2021-07-14 21:05:32,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:05:32,929 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:05:32,930 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 117 states, 117 states have (on average 1.4786324786324787) internal successors, (173), 116 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:05:32,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:05:32,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:05:32,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:05:32,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:05:32,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:05:32,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:05:32,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:05:32,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:05:32,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:05:32,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:05:32,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:05:32,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:05:32,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:05:32,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:05:32,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:05:32,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 21:05:32,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 21:05:32,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:05:32,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 21:05:32,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 21:05:32,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 21:05:32,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 21:05:32,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 21:05:32,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 21:05:32,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-07-14 21:05:32,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-07-14 21:05:32,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 21:05:32,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-07-14 21:05:32,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:05:34,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:05:34,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:05:34,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:05:34,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:05:34,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:05:34,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:05:34,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:05:34,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:05:34,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:05:34,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:05:34,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:05:34,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:05:34,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:05:34,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:05:34,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:05:34,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 21:05:34,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 21:05:34,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:05:34,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 21:05:34,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 21:05:34,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 21:05:34,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 21:05:34,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 21:05:34,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 21:05:34,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-07-14 21:05:34,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-07-14 21:05:34,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 21:05:34,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-14 21:05:34,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-07-14 21:05:35,115 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-07-14 21:05:35,115 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:05:35,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:05:35,115 INFO L82 PathProgramCache]: Analyzing trace with hash 2083476928, now seen corresponding path program 25 times [2021-07-14 21:05:35,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:05:35,115 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984943432] [2021-07-14 21:05:35,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:05:35,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:05:40,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1284 backedges. 0 proven. 1284 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:05:40,869 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:05:40,869 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984943432] [2021-07-14 21:05:40,869 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984943432] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:05:40,869 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1289382986] [2021-07-14 21:05:40,869 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 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:05:40,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:05:40,936 WARN L261 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 241 conjunts are in the unsatisfiable core [2021-07-14 21:05:40,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:05:51,770 INFO L354 Elim1Store]: treesize reduction 3266, result has 0.0 percent of original size [2021-07-14 21:05:51,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 0 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 276 case distinctions, treesize of input 432 treesize of output 152 [2021-07-14 21:05:51,773 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:05:51,777 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:05:51,777 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:05:51,777 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:432, output treesize:12 [2021-07-14 21:05:51,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1284 backedges. 0 proven. 1284 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:05:51,788 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1289382986] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:05:51,788 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:05:51,788 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75, 75] total 121 [2021-07-14 21:05:51,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779460339] [2021-07-14 21:05:51,789 INFO L462 AbstractCegarLoop]: Interpolant automaton has 122 states [2021-07-14 21:05:51,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:05:51,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2021-07-14 21:05:51,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1008, Invalid=13754, Unknown=0, NotChecked=0, Total=14762 [2021-07-14 21:05:51,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:05:51,790 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:05:51,790 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 122 states, 122 states have (on average 1.459016393442623) internal successors, (178), 121 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:05:51,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:05:51,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:05:51,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:05:51,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:05:51,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:05:51,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:05:51,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:05:51,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:05:51,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:05:51,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:05:51,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:05:51,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:05:51,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:05:51,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:05:51,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:05:51,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 21:05:51,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 21:05:51,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:05:51,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 21:05:51,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 21:05:51,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 21:05:51,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 21:05:51,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 21:05:51,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 21:05:51,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-07-14 21:05:51,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-07-14 21:05:51,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 21:05:51,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-07-14 21:05:51,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-07-14 21:05:51,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:05:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:05:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:05:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:05:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:05:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:05:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:05:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:05:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:05:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:05:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:05:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:05:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:05:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:05:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:05:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:05:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 21:05:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 21:05:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:05:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 21:05:54,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 21:05:54,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 21:05:54,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 21:05:54,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 21:05:54,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 21:05:54,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-07-14 21:05:54,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-07-14 21:05:54,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 21:05:54,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-14 21:05:54,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-07-14 21:05:54,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 21:05:54,813 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,28 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:05:54,814 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:05:54,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:05:54,814 INFO L82 PathProgramCache]: Analyzing trace with hash 125946421, now seen corresponding path program 26 times [2021-07-14 21:05:54,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:05:54,814 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521102840] [2021-07-14 21:05:54,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:05:54,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:06:01,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1394 backedges. 0 proven. 1394 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:06:01,083 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:06:01,083 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521102840] [2021-07-14 21:06:01,083 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521102840] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:06:01,083 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [848672713] [2021-07-14 21:06:01,083 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 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:06:01,139 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 21:06:01,139 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:06:01,142 WARN L261 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 251 conjunts are in the unsatisfiable core [2021-07-14 21:06:01,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:06:12,800 INFO L354 Elim1Store]: treesize reduction 3552, result has 0.0 percent of original size [2021-07-14 21:06:12,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 25 select indices, 25 select index equivalence classes, 0 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 300 case distinctions, treesize of input 449 treesize of output 157 [2021-07-14 21:06:12,803 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:06:12,807 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:06:12,807 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:06:12,807 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:449, output treesize:10 [2021-07-14 21:06:12,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1394 backedges. 0 proven. 1394 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:06:12,819 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [848672713] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:06:12,819 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:06:12,819 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [78, 78] total 126 [2021-07-14 21:06:12,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712762687] [2021-07-14 21:06:12,819 INFO L462 AbstractCegarLoop]: Interpolant automaton has 127 states [2021-07-14 21:06:12,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:06:12,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2021-07-14 21:06:12,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1068, Invalid=14934, Unknown=0, NotChecked=0, Total=16002 [2021-07-14 21:06:12,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:06:12,820 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:06:12,820 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 127 states, 127 states have (on average 1.4566929133858268) internal successors, (185), 126 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:06:12,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:06:12,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:06:12,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:06:12,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:06:12,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:06:12,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:06:12,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:06:12,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:06:12,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:06:12,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:06:12,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:06:12,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:06:12,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:06:12,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:06:12,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:06:12,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 21:06:12,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 21:06:12,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:06:12,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 21:06:12,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 21:06:12,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 21:06:12,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 21:06:12,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 21:06:12,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 21:06:12,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-07-14 21:06:12,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-07-14 21:06:12,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 21:06:12,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-07-14 21:06:12,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-07-14 21:06:12,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 21:06:12,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:06:15,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:06:15,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:06:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:06:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:06:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:06:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:06:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:06:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:06:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:06:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:06:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:06:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:06:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:06:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:06:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:06:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 21:06:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 21:06:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:06:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 21:06:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 21:06:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 21:06:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 21:06:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 21:06:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 21:06:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-07-14 21:06:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-07-14 21:06:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 21:06:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-14 21:06:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-07-14 21:06:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 21:06:15,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-14 21:06:15,960 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:06:15,961 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:06:15,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:06:15,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1228667746, now seen corresponding path program 27 times [2021-07-14 21:06:15,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:06:15,961 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479358783] [2021-07-14 21:06:15,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:06:15,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:06:22,873 INFO L134 CoverageAnalysis]: Checked inductivity of 1508 backedges. 0 proven. 1508 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:06:22,874 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:06:22,874 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479358783] [2021-07-14 21:06:22,874 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479358783] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:06:22,874 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [967424584] [2021-07-14 21:06:22,874 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 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:06:22,949 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 27 check-sat command(s) [2021-07-14 21:06:22,950 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:06:22,952 WARN L261 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 261 conjunts are in the unsatisfiable core [2021-07-14 21:06:22,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:06:35,776 INFO L354 Elim1Store]: treesize reduction 3850, result has 0.0 percent of original size [2021-07-14 21:06:35,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 26 select indices, 26 select index equivalence classes, 0 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 325 case distinctions, treesize of input 468 treesize of output 164 [2021-07-14 21:06:35,779 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:06:35,783 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:06:35,784 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:06:35,784 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:468, output treesize:12 [2021-07-14 21:06:35,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1508 backedges. 0 proven. 1508 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:06:35,795 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [967424584] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:06:35,796 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:06:35,796 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [81, 81] total 131 [2021-07-14 21:06:35,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214961952] [2021-07-14 21:06:35,796 INFO L462 AbstractCegarLoop]: Interpolant automaton has 132 states [2021-07-14 21:06:35,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:06:35,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2021-07-14 21:06:35,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1157, Invalid=16135, Unknown=0, NotChecked=0, Total=17292 [2021-07-14 21:06:35,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:06:35,797 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:06:35,797 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 132 states, 132 states have (on average 1.4545454545454546) internal successors, (192), 131 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:06:35,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:06:35,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:06:35,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:06:35,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:06:35,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:06:35,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:06:35,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:06:35,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:06:35,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:06:35,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:06:35,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:06:35,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:06:35,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:06:35,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:06:35,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:06:35,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 21:06:35,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 21:06:35,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:06:35,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 21:06:35,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 21:06:35,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 21:06:35,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 21:06:35,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 21:06:35,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 21:06:35,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-07-14 21:06:35,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-07-14 21:06:35,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 21:06:35,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-07-14 21:06:35,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-07-14 21:06:35,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 21:06:35,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-14 21:06:35,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:06:39,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:06:39,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:06:39,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:06:39,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:06:39,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:06:39,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:06:39,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:06:39,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:06:39,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:06:39,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:06:39,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:06:39,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:06:39,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:06:39,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:06:39,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:06:39,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 21:06:39,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 21:06:39,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:06:39,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 21:06:39,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 21:06:39,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 21:06:39,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 21:06:39,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 21:06:39,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 21:06:39,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-07-14 21:06:39,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-07-14 21:06:39,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 21:06:39,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-14 21:06:39,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-07-14 21:06:39,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 21:06:39,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-14 21:06:39,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2021-07-14 21:06:39,316 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2021-07-14 21:06:39,317 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:06:39,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:06:39,317 INFO L82 PathProgramCache]: Analyzing trace with hash -1783874989, now seen corresponding path program 28 times [2021-07-14 21:06:39,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:06:39,317 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159068145] [2021-07-14 21:06:39,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:06:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:06:46,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1627 backedges. 0 proven. 1627 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:06:46,824 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:06:46,824 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159068145] [2021-07-14 21:06:46,825 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159068145] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:06:46,825 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [172141026] [2021-07-14 21:06:46,825 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 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:06:46,886 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 21:06:46,886 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:06:46,889 WARN L261 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 271 conjunts are in the unsatisfiable core [2021-07-14 21:06:46,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:07:01,054 INFO L354 Elim1Store]: treesize reduction 4160, result has 0.0 percent of original size [2021-07-14 21:07:01,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 27 select indices, 27 select index equivalence classes, 0 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 351 case distinctions, treesize of input 485 treesize of output 169 [2021-07-14 21:07:01,057 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:07:01,061 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:07:01,061 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:07:01,061 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:485, output treesize:10 [2021-07-14 21:07:01,073 INFO L134 CoverageAnalysis]: Checked inductivity of 1627 backedges. 0 proven. 1627 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:07:01,073 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [172141026] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:07:01,073 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:07:01,073 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [84, 84] total 136 [2021-07-14 21:07:01,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453523723] [2021-07-14 21:07:01,073 INFO L462 AbstractCegarLoop]: Interpolant automaton has 137 states [2021-07-14 21:07:01,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:07:01,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2021-07-14 21:07:01,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1221, Invalid=17411, Unknown=0, NotChecked=0, Total=18632 [2021-07-14 21:07:01,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:07:01,075 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:07:01,075 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 137 states, 137 states have (on average 1.4525547445255473) internal successors, (199), 136 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:07:01,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:07:01,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:07:01,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:07:01,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:07:01,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:07:01,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:07:01,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:07:01,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:07:01,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:07:01,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:07:01,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:07:01,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:07:01,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:07:01,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:07:01,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:07:01,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 21:07:01,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 21:07:01,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:07:01,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 21:07:01,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 21:07:01,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 21:07:01,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 21:07:01,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 21:07:01,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 21:07:01,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-07-14 21:07:01,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-07-14 21:07:01,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 21:07:01,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-07-14 21:07:01,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-07-14 21:07:01,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 21:07:01,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-14 21:07:01,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2021-07-14 21:07:01,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:07:03,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:07:03,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:07:03,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:07:03,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:07:03,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:07:03,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:07:03,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:07:03,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:07:03,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:07:03,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:07:03,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:07:03,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:07:03,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:07:03,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:07:03,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:07:03,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 21:07:03,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 21:07:03,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:07:03,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 21:07:03,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 21:07:03,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 21:07:03,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 21:07:03,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 21:07:03,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 21:07:03,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-07-14 21:07:03,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-07-14 21:07:03,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 21:07:03,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-14 21:07:03,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-07-14 21:07:03,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 21:07:03,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-14 21:07:03,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2021-07-14 21:07:03,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-07-14 21:07:04,131 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:07:04,131 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:07:04,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:07:04,132 INFO L82 PathProgramCache]: Analyzing trace with hash -451515268, now seen corresponding path program 29 times [2021-07-14 21:07:04,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:07:04,132 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814096850] [2021-07-14 21:07:04,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:07:04,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:07:12,297 INFO L134 CoverageAnalysis]: Checked inductivity of 1750 backedges. 0 proven. 1750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:07:12,297 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:07:12,297 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814096850] [2021-07-14 21:07:12,298 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814096850] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:07:12,298 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137925486] [2021-07-14 21:07:12,298 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 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:07:12,379 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 29 check-sat command(s) [2021-07-14 21:07:12,379 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:07:12,382 WARN L261 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 281 conjunts are in the unsatisfiable core [2021-07-14 21:07:12,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:07:27,948 INFO L354 Elim1Store]: treesize reduction 4482, result has 0.0 percent of original size [2021-07-14 21:07:27,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 0 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 378 case distinctions, treesize of input 504 treesize of output 176 [2021-07-14 21:07:27,952 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:07:27,955 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:07:27,956 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:07:27,956 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:504, output treesize:12 [2021-07-14 21:07:27,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1750 backedges. 0 proven. 1750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:07:27,968 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [137925486] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:07:27,968 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:07:27,968 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [87, 87] total 141 [2021-07-14 21:07:27,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740524320] [2021-07-14 21:07:27,968 INFO L462 AbstractCegarLoop]: Interpolant automaton has 142 states [2021-07-14 21:07:27,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:07:27,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 142 interpolants. [2021-07-14 21:07:27,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1316, Invalid=18706, Unknown=0, NotChecked=0, Total=20022 [2021-07-14 21:07:27,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:07:27,969 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:07:27,970 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 142 states, 142 states have (on average 1.4507042253521127) internal successors, (206), 141 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:07:27,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:07:27,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:07:27,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:07:27,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:07:27,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:07:27,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:07:27,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:07:27,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:07:27,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:07:27,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:07:27,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:07:27,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:07:27,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:07:27,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:07:27,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:07:27,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 21:07:27,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 21:07:27,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:07:27,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 21:07:27,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 21:07:27,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 21:07:27,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 21:07:27,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 21:07:27,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 21:07:27,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-07-14 21:07:27,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-07-14 21:07:27,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 21:07:27,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-07-14 21:07:27,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-07-14 21:07:27,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 21:07:27,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-14 21:07:27,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2021-07-14 21:07:27,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-07-14 21:07:27,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:07:31,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:07:31,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:07:31,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:07:31,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 21:07:31,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:07:31,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:07:31,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:07:31,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:07:31,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 21:07:31,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:07:31,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 21:07:31,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 21:07:31,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 21:07:31,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:07:31,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:07:31,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 21:07:31,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 21:07:31,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:07:31,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 21:07:31,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 21:07:31,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 21:07:31,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 21:07:31,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 21:07:31,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 21:07:31,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-07-14 21:07:31,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-07-14 21:07:31,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 21:07:31,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-14 21:07:31,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-07-14 21:07:31,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 21:07:31,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-14 21:07:31,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2021-07-14 21:07:31,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-07-14 21:07:31,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-07-14 21:07:31,249 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2021-07-14 21:07:31,249 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:07:31,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:07:31,249 INFO L82 PathProgramCache]: Analyzing trace with hash 791679857, now seen corresponding path program 30 times [2021-07-14 21:07:31,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:07:31,249 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935712254] [2021-07-14 21:07:31,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:07:31,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:07:40,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1878 backedges. 0 proven. 1878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:07:40,121 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:07:40,122 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935712254] [2021-07-14 21:07:40,122 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935712254] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:07:40,122 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [650320589] [2021-07-14 21:07:40,122 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 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:07:40,216 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 30 check-sat command(s) [2021-07-14 21:07:40,216 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:07:40,219 WARN L261 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 292 conjunts are in the unsatisfiable core [2021-07-14 21:07:40,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:12:38,801 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-07-14 21:12:38,802 WARN L348 FreeRefinementEngine]: Global settings require throwing the following exception [2021-07-14 21:12:39,002 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-07-14 21:12:39,003 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:934) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:773) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:345) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:305) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:582) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:297) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:190) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:597) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:238) ... 46 more [2021-07-14 21:12:39,007 INFO L168 Benchmark]: Toolchain (without parser) took 578823.57 ms. Allocated memory was 194.0 MB in the beginning and 701.5 MB in the end (delta: 507.5 MB). Free memory was 174.5 MB in the beginning and 164.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 517.9 MB. Max. memory is 8.0 GB. [2021-07-14 21:12:39,007 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 194.0 MB. Free memory is still 175.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 21:12:39,008 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.68 ms. Allocated memory is still 194.0 MB. Free memory was 174.4 MB in the beginning and 173.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 21:12:39,008 INFO L168 Benchmark]: Boogie Preprocessor took 10.66 ms. Allocated memory is still 194.0 MB. Free memory was 173.0 MB in the beginning and 172.0 MB in the end (delta: 968.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 21:12:39,008 INFO L168 Benchmark]: RCFGBuilder took 204.65 ms. Allocated memory is still 194.0 MB. Free memory was 172.0 MB in the beginning and 159.9 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-07-14 21:12:39,008 INFO L168 Benchmark]: TraceAbstraction took 578581.36 ms. Allocated memory was 194.0 MB in the beginning and 701.5 MB in the end (delta: 507.5 MB). Free memory was 159.5 MB in the beginning and 164.9 MB in the end (delta: -5.4 MB). Peak memory consumption was 503.2 MB. Max. memory is 8.0 GB. [2021-07-14 21:12:39,009 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 194.0 MB. Free memory is still 175.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 22.68 ms. Allocated memory is still 194.0 MB. Free memory was 174.4 MB in the beginning and 173.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 10.66 ms. Allocated memory is still 194.0 MB. Free memory was 173.0 MB in the beginning and 172.0 MB in the end (delta: 968.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 204.65 ms. Allocated memory is still 194.0 MB. Free memory was 172.0 MB in the beginning and 159.9 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 578581.36 ms. Allocated memory was 194.0 MB in the beginning and 701.5 MB in the end (delta: 507.5 MB). Free memory was 159.5 MB in the beginning and 164.9 MB in the end (delta: -5.4 MB). Peak memory consumption was 503.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...