/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-Persistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-14 12:12:09,345 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-14 12:12:09,347 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-14 12:12:09,388 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-14 12:12:09,388 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-14 12:12:09,392 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-14 12:12:09,394 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-14 12:12:09,399 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-14 12:12:09,402 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-14 12:12:09,406 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-14 12:12:09,407 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-14 12:12:09,408 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-14 12:12:09,408 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-14 12:12:09,410 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-14 12:12:09,412 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-14 12:12:09,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-14 12:12:09,416 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-14 12:12:09,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-14 12:12:09,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-14 12:12:09,424 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-14 12:12:09,425 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-14 12:12:09,427 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-14 12:12:09,430 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-14 12:12:09,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-14 12:12:09,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-14 12:12:09,439 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-14 12:12:09,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-14 12:12:09,441 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-14 12:12:09,441 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-14 12:12:09,442 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-14 12:12:09,442 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-14 12:12:09,443 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-14 12:12:09,445 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-14 12:12:09,445 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-14 12:12:09,446 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-14 12:12:09,446 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-14 12:12:09,447 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-14 12:12:09,447 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-14 12:12:09,447 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-14 12:12:09,448 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-14 12:12:09,449 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-14 12:12:09,453 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-Persistent-NoLbe.epf [2021-06-14 12:12:09,492 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-14 12:12:09,493 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-14 12:12:09,493 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-14 12:12:09,493 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-14 12:12:09,496 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-14 12:12:09,496 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-14 12:12:09,496 INFO L138 SettingsManager]: * Use SBE=true [2021-06-14 12:12:09,496 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-14 12:12:09,497 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-14 12:12:09,497 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-14 12:12:09,497 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-14 12:12:09,498 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-14 12:12:09,498 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-14 12:12:09,498 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-14 12:12:09,498 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-14 12:12:09,498 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-14 12:12:09,498 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-14 12:12:09,498 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-14 12:12:09,498 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-14 12:12:09,499 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-14 12:12:09,499 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-14 12:12:09,499 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-14 12:12:09,499 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-14 12:12:09,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 12:12:09,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-14 12:12:09,500 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-14 12:12:09,500 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-14 12:12:09,500 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-14 12:12:09,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-14 12:12:09,500 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-14 12:12:09,500 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-14 12:12:09,500 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-14 12:12:09,501 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SETS [2021-06-14 12:12:09,501 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-14 12:12:09,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-14 12:12:09,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-14 12:12:09,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-14 12:12:09,819 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-14 12:12:09,821 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-14 12:12:09,822 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun.wvr.bpl [2021-06-14 12:12:09,822 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun.wvr.bpl' [2021-06-14 12:12:09,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-14 12:12:09,857 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-14 12:12:09,858 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-14 12:12:09,858 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-14 12:12:09,858 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-14 12:12:09,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 12:12:09" (1/1) ... [2021-06-14 12:12:09,878 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 12:12:09" (1/1) ... [2021-06-14 12:12:09,886 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-14 12:12:09,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-14 12:12:09,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-14 12:12:09,889 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-14 12:12:09,896 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 12:12:09" (1/1) ... [2021-06-14 12:12:09,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 12:12:09" (1/1) ... [2021-06-14 12:12:09,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 12:12:09" (1/1) ... [2021-06-14 12:12:09,899 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 12:12:09" (1/1) ... [2021-06-14 12:12:09,902 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 12:12:09" (1/1) ... [2021-06-14 12:12:09,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 12:12:09" (1/1) ... [2021-06-14 12:12:09,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 12:12:09" (1/1) ... [2021-06-14 12:12:09,907 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-14 12:12:09,908 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-14 12:12:09,908 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-14 12:12:09,908 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-14 12:12:09,909 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 12:12:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 12:12:09,965 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-14 12:12:09,966 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-14 12:12:09,966 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-14 12:12:09,966 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-14 12:12:09,966 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-14 12:12:09,966 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-14 12:12:09,966 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-14 12:12:09,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-14 12:12:09,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-14 12:12:09,967 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-14 12:12:09,967 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-14 12:12:09,967 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-14 12:12:09,968 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-14 12:12:10,243 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-14 12:12:10,244 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-14 12:12:10,245 INFO L202 PluginConnector]: Adding new model sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 12:12:10 BoogieIcfgContainer [2021-06-14 12:12:10,246 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-14 12:12:10,247 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-14 12:12:10,247 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-14 12:12:10,250 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-14 12:12:10,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 12:12:09" (1/2) ... [2021-06-14 12:12:10,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a04385b and model type sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 12:12:10, skipping insertion in model container [2021-06-14 12:12:10,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 12:12:10" (2/2) ... [2021-06-14 12:12:10,252 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-fun.wvr.bpl [2021-06-14 12:12:10,273 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-14 12:12:10,274 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-14 12:12:10,274 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-14 12:12:10,275 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-14 12:12:10,332 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-14 12:12:10,357 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-14 12:12:10,435 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 12:12:10,435 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 12:12:10,436 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 12:12:10,436 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 12:12:10,436 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 12:12:10,436 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 12:12:10,436 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 12:12:10,436 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-14 12:12:10,551 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 12:12:10,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 12:12:10,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1413799308, now seen corresponding path program 1 times [2021-06-14 12:12:10,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 12:12:10,565 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582343919] [2021-06-14 12:12:10,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 12:12:10,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 12:12:10,734 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-14 12:12:10,734 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 12:12:10,734 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582343919] [2021-06-14 12:12:10,735 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582343919] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 12:12:10,735 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 12:12:10,735 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-14 12:12:10,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188812090] [2021-06-14 12:12:10,741 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-14 12:12:10,741 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 12:12:10,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-14 12:12:10,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-14 12:12:10,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 12:12:10,752 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 12:12:10,754 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 12:12:10,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 12:12:10,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 12:12:10,813 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-14 12:12:10,813 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 12:12:10,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 12:12:10,814 INFO L82 PathProgramCache]: Analyzing trace with hash 1703614244, now seen corresponding path program 1 times [2021-06-14 12:12:10,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 12:12:10,814 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472823005] [2021-06-14 12:12:10,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 12:12:10,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 12:12:11,187 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 12:12:11,187 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 12:12:11,188 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472823005] [2021-06-14 12:12:11,188 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472823005] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 12:12:11,188 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764861730] [2021-06-14 12:12:11,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 12:12:11,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 12:12:11,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-14 12:12:11,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 12:12:11,550 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 12:12:11,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-14 12:12:11,559 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 12:12:11,564 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 12:12:11,569 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 12:12:11,569 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:7 [2021-06-14 12:12:11,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 12:12:11,643 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1764861730] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 12:12:11,643 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 12:12:11,643 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-14 12:12:11,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339412385] [2021-06-14 12:12:11,644 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-14 12:12:11,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 12:12:11,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-14 12:12:11,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-06-14 12:12:11,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 12:12:11,645 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 12:12:11,646 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 12:12:11,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 12:12:11,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 12:12:11,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 12:12:11,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 12:12:12,013 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 12:12:12,013 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 12:12:12,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 12:12:12,014 INFO L82 PathProgramCache]: Analyzing trace with hash 2144090848, now seen corresponding path program 2 times [2021-06-14 12:12:12,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 12:12:12,014 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131304072] [2021-06-14 12:12:12,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 12:12:12,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 12:12:12,102 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 12:12:12,103 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 12:12:12,103 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131304072] [2021-06-14 12:12:12,103 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131304072] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 12:12:12,103 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1129588441] [2021-06-14 12:12:12,103 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 12:12:12,152 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 12:12:12,152 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 12:12:12,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-14 12:12:12,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 12:12:12,317 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-14 12:12:12,318 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1129588441] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 12:12:12,319 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 12:12:12,319 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 14 [2021-06-14 12:12:12,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323154076] [2021-06-14 12:12:12,320 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-14 12:12:12,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 12:12:12,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-14 12:12:12,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-06-14 12:12:12,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 12:12:12,323 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 12:12:12,324 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 12:12:12,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 12:12:12,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 12:12:12,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 12:12:12,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 12:12:12,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 12:12:12,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 12:12:12,755 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 12:12:12,756 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 12:12:12,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 12:12:12,756 INFO L82 PathProgramCache]: Analyzing trace with hash -1700110510, now seen corresponding path program 3 times [2021-06-14 12:12:12,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 12:12:12,756 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968188088] [2021-06-14 12:12:12,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 12:12:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 12:12:13,478 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 12:12:13,479 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 12:12:13,479 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968188088] [2021-06-14 12:12:13,479 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968188088] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 12:12:13,480 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385385950] [2021-06-14 12:12:13,480 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 12:12:13,528 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-14 12:12:13,528 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 12:12:13,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 37 conjunts are in the unsatisfiable core [2021-06-14 12:12:13,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 12:12:14,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:14,209 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 12:12:14,213 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 12:12:14,244 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 12:12:14,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 29 treesize of output 63 [2021-06-14 12:12:14,316 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-14 12:12:14,390 INFO L628 ElimStorePlain]: treesize reduction 121, result has 30.5 percent of original size [2021-06-14 12:12:14,418 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 12:12:14,419 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:51, output treesize:108 [2021-06-14 12:12:14,597 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 12:12:14,597 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385385950] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 12:12:14,597 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 12:12:14,597 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 25 [2021-06-14 12:12:14,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753571648] [2021-06-14 12:12:14,598 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-14 12:12:14,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 12:12:14,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-14 12:12:14,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=568, Unknown=0, NotChecked=0, Total=650 [2021-06-14 12:12:14,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 12:12:14,599 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 12:12:14,599 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 2.0) internal successors, (52), 25 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 12:12:14,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 12:12:14,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 12:12:14,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 12:12:14,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 12:12:15,156 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2021-06-14 12:12:15,365 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 64 [2021-06-14 12:12:15,519 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 53 [2021-06-14 12:12:16,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 12:12:16,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 12:12:16,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 12:12:16,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 12:12:16,402 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 12:12:16,403 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 12:12:16,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 12:12:16,403 INFO L82 PathProgramCache]: Analyzing trace with hash -927561866, now seen corresponding path program 4 times [2021-06-14 12:12:16,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 12:12:16,403 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378538762] [2021-06-14 12:12:16,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 12:12:16,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 12:12:16,520 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 9 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 12:12:16,521 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 12:12:16,521 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378538762] [2021-06-14 12:12:16,521 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378538762] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 12:12:16,521 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [640735182] [2021-06-14 12:12:16,521 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 12:12:16,559 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 12:12:16,559 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 12:12:16,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-14 12:12:16,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 12:12:16,758 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 12:12:16,758 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [640735182] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 12:12:16,758 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 12:12:16,758 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 21 [2021-06-14 12:12:16,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847086917] [2021-06-14 12:12:16,759 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-14 12:12:16,759 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 12:12:16,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-14 12:12:16,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=335, Unknown=0, NotChecked=0, Total=420 [2021-06-14 12:12:16,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 12:12:16,760 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 12:12:16,760 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.5238095238095237) internal successors, (53), 21 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 12:12:16,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 12:12:16,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 12:12:16,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 12:12:16,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 12:12:16,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 12:12:16,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 12:12:16,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 12:12:16,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 12:12:16,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 12:12:16,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 12:12:17,189 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 12:12:17,189 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 12:12:17,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 12:12:17,190 INFO L82 PathProgramCache]: Analyzing trace with hash 717389002, now seen corresponding path program 5 times [2021-06-14 12:12:17,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 12:12:17,190 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870033975] [2021-06-14 12:12:17,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 12:12:17,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 12:12:18,039 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 4 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 12:12:18,039 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 12:12:18,039 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870033975] [2021-06-14 12:12:18,040 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870033975] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 12:12:18,040 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [509162115] [2021-06-14 12:12:18,040 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 12:12:18,125 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-14 12:12:18,126 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 12:12:18,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 47 conjunts are in the unsatisfiable core [2021-06-14 12:12:18,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 12:12:24,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:24,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:24,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:24,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:24,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:24,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:24,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:24,296 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 12:12:24,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:24,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:24,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:24,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:24,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:24,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:24,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:24,304 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 12:12:24,305 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 12:12:24,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:24,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:24,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:24,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:24,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:24,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:24,311 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 12:12:24,312 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 12:12:24,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 19 [2021-06-14 12:12:24,319 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 12:12:24,333 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 12:12:24,337 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 12:12:24,337 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:78, output treesize:12 [2021-06-14 12:12:24,369 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 12:12:24,370 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [509162115] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 12:12:24,370 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 12:12:24,370 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 30 [2021-06-14 12:12:24,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313560754] [2021-06-14 12:12:24,371 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-14 12:12:24,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 12:12:24,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-14 12:12:24,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=840, Unknown=2, NotChecked=0, Total=930 [2021-06-14 12:12:24,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 12:12:24,372 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 12:12:24,372 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.193548387096774) internal successors, (68), 30 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 12:12:24,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 12:12:24,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 12:12:24,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 12:12:24,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 12:12:24,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 12:12:24,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 12:12:40,091 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2021-06-14 12:12:40,654 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2021-06-14 12:12:40,953 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 69 [2021-06-14 12:12:41,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 12:12:41,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 12:12:41,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 12:12:41,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 12:12:41,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 12:12:41,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-14 12:12:42,170 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 12:12:42,171 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 12:12:42,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 12:12:42,171 INFO L82 PathProgramCache]: Analyzing trace with hash -1776896530, now seen corresponding path program 6 times [2021-06-14 12:12:42,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 12:12:42,172 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332007002] [2021-06-14 12:12:42,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 12:12:42,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 12:12:42,333 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 25 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 12:12:42,333 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 12:12:42,333 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332007002] [2021-06-14 12:12:42,333 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332007002] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 12:12:42,333 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1964394288] [2021-06-14 12:12:42,333 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 12:12:42,374 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-06-14 12:12:42,375 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 12:12:42,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-14 12:12:42,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 12:12:42,685 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 36 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 12:12:42,685 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1964394288] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 12:12:42,685 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 12:12:42,685 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 27 [2021-06-14 12:12:42,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204917775] [2021-06-14 12:12:42,688 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-14 12:12:42,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 12:12:42,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-14 12:12:42,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=561, Unknown=0, NotChecked=0, Total=702 [2021-06-14 12:12:42,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 12:12:42,689 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 12:12:42,689 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.4074074074074074) internal successors, (65), 27 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 12:12:42,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 12:12:42,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 12:12:42,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 12:12:42,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 12:12:42,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 12:12:42,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-14 12:12:42,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 12:12:43,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 12:12:43,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 12:12:43,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 12:12:43,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 12:12:43,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 12:12:43,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-14 12:12:43,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 12:12:43,244 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 12:12:43,245 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 12:12:43,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 12:12:43,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1424466498, now seen corresponding path program 7 times [2021-06-14 12:12:43,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 12:12:43,245 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225553261] [2021-06-14 12:12:43,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 12:12:43,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 12:12:44,544 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 16 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 12:12:44,544 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 12:12:44,544 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225553261] [2021-06-14 12:12:44,544 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225553261] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 12:12:44,544 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1299883506] [2021-06-14 12:12:44,544 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 12:12:44,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 12:12:44,586 WARN L261 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 67 conjunts are in the unsatisfiable core [2021-06-14 12:12:44,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 12:12:45,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:45,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:45,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:45,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:45,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:45,477 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 12:12:45,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:45,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:45,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:45,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:45,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:45,481 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 12:12:45,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:45,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:45,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:45,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:45,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:45,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:45,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:45,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:45,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:45,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:45,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:45,493 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 12:12:45,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:45,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:45,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:45,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:45,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:45,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:45,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:45,499 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 12:12:45,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:45,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:45,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:45,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:45,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:45,505 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 12:12:45,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:45,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:45,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:45,508 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 12:12:45,509 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 12:12:45,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 21 [2021-06-14 12:12:45,512 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 12:12:45,520 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 12:12:45,522 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 12:12:45,523 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:70, output treesize:7 [2021-06-14 12:12:45,554 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 12:12:45,555 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1299883506] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 12:12:45,555 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 12:12:45,555 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 19] total 36 [2021-06-14 12:12:45,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484281817] [2021-06-14 12:12:45,555 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-14 12:12:45,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 12:12:45,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-14 12:12:45,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=1190, Unknown=0, NotChecked=0, Total=1332 [2021-06-14 12:12:45,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 12:12:45,557 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 12:12:45,557 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.2432432432432434) internal successors, (83), 36 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) [2021-06-14 12:12:45,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 12:12:45,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 12:12:45,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 12:12:45,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 12:12:45,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 12:12:45,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-14 12:12:45,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 12:12:45,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 12:12:46,605 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2021-06-14 12:12:47,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 12:12:47,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 12:12:47,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 12:12:47,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 12:12:47,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 12:12:47,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-14 12:12:47,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 12:12:47,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 12:12:47,558 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-06-14 12:12:47,558 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 12:12:47,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 12:12:47,558 INFO L82 PathProgramCache]: Analyzing trace with hash -1985975194, now seen corresponding path program 8 times [2021-06-14 12:12:47,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 12:12:47,559 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932329768] [2021-06-14 12:12:47,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 12:12:47,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 12:12:47,773 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 49 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 12:12:47,773 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 12:12:47,773 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932329768] [2021-06-14 12:12:47,773 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932329768] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 12:12:47,774 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [829754930] [2021-06-14 12:12:47,774 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 12:12:47,809 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 12:12:47,809 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 12:12:47,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-14 12:12:47,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 12:12:48,216 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 64 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 12:12:48,216 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [829754930] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 12:12:48,217 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 12:12:48,217 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 33 [2021-06-14 12:12:48,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574490564] [2021-06-14 12:12:48,217 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-06-14 12:12:48,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 12:12:48,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-06-14 12:12:48,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=843, Unknown=0, NotChecked=0, Total=1056 [2021-06-14 12:12:48,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 12:12:48,218 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 12:12:48,219 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 2.3333333333333335) internal successors, (77), 33 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 12:12:48,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 12:12:48,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 12:12:48,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 12:12:48,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 12:12:48,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 12:12:48,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-14 12:12:48,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 12:12:48,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 12:12:48,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 12:12:48,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 12:12:48,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 12:12:48,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 12:12:48,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 12:12:48,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 12:12:48,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-14 12:12:48,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 12:12:48,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 12:12:48,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 12:12:48,915 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 12:12:48,915 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 12:12:48,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 12:12:48,916 INFO L82 PathProgramCache]: Analyzing trace with hash -1131294790, now seen corresponding path program 9 times [2021-06-14 12:12:48,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 12:12:48,916 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364492351] [2021-06-14 12:12:48,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 12:12:48,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 12:12:50,514 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 36 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 12:12:50,515 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 12:12:50,515 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364492351] [2021-06-14 12:12:50,515 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364492351] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 12:12:50,515 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119588951] [2021-06-14 12:12:50,515 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 12:12:50,558 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-06-14 12:12:50,558 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 12:12:50,559 WARN L261 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 84 conjunts are in the unsatisfiable core [2021-06-14 12:12:50,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 12:12:53,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:53,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:53,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:53,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:53,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:53,124 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 12:12:53,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:53,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:53,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:53,130 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 12:12:53,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:53,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:53,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:53,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:53,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:53,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:53,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:53,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:53,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:53,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:53,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:53,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:53,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:53,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:53,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:53,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:53,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:53,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:53,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:53,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:53,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:53,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:53,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:53,185 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 12:12:53,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:53,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:53,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:53,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:53,195 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 12:12:53,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:53,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:53,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 12:12:53,202 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 12:12:53,674 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2021-06-14 12:12:53,675 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 12:12:53,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 28 disjoint index pairs (out of 153 index pairs), introduced 13 new quantified variables, introduced 90 case distinctions, treesize of input 91 treesize of output 565 [2021-06-14 12:12:53,863 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 336 [2021-06-14 12:12:54,022 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 377 [2021-06-14 12:12:56,300 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 1769 DAG size of output: 1461 [2021-06-14 12:12:58,170 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 1797 DAG size of output: 1489 [2021-06-14 12:13:21,512 WARN L205 SmtUtils]: Spent 22.04 s on a formula simplification. DAG size of input: 9286 DAG size of output: 6821 [2021-06-14 12:13:45,092 WARN L205 SmtUtils]: Spent 23.41 s on a formula simplification. DAG size of input: 9311 DAG size of output: 6846 [2021-06-14 12:18:00,117 WARN L205 SmtUtils]: Spent 4.13 m on a formula simplification. DAG size of input: 49399 DAG size of output: 35971 [2021-06-14 12:22:17,005 WARN L205 SmtUtils]: Spent 4.27 m on a formula simplification. DAG size of input: 49411 DAG size of output: 35980 [2021-06-14 12:25:57,252 WARN L205 SmtUtils]: Spent 3.67 m on a formula simplification. DAG size of input: 34104 DAG size of output: 34071 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown