/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-None-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-13 05:59:44,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-13 05:59:44,349 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-13 05:59:44,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-13 05:59:44,375 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-13 05:59:44,376 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-13 05:59:44,377 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-13 05:59:44,378 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-13 05:59:44,379 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-13 05:59:44,380 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-13 05:59:44,381 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-13 05:59:44,382 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-13 05:59:44,382 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-13 05:59:44,383 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-13 05:59:44,384 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-13 05:59:44,385 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-13 05:59:44,385 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-13 05:59:44,386 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-13 05:59:44,388 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-13 05:59:44,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-13 05:59:44,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-13 05:59:44,392 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-13 05:59:44,393 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-13 05:59:44,394 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-13 05:59:44,396 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-13 05:59:44,396 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-13 05:59:44,396 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-13 05:59:44,397 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-13 05:59:44,398 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-13 05:59:44,398 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-13 05:59:44,399 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-13 05:59:44,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-13 05:59:44,400 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-13 05:59:44,401 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-13 05:59:44,402 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-13 05:59:44,402 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-13 05:59:44,402 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-13 05:59:44,403 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-13 05:59:44,403 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-13 05:59:44,403 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-13 05:59:44,404 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-13 05:59:44,409 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-None-NoLbe.epf [2021-06-13 05:59:44,443 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-13 05:59:44,443 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-13 05:59:44,444 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-13 05:59:44,444 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-13 05:59:44,445 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-13 05:59:44,445 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-13 05:59:44,445 INFO L138 SettingsManager]: * Use SBE=true [2021-06-13 05:59:44,445 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-13 05:59:44,446 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-13 05:59:44,446 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-13 05:59:44,446 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-13 05:59:44,446 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-13 05:59:44,446 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-13 05:59:44,446 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-13 05:59:44,446 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-13 05:59:44,446 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-13 05:59:44,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-13 05:59:44,447 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-13 05:59:44,447 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-13 05:59:44,447 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-13 05:59:44,447 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-13 05:59:44,447 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-13 05:59:44,448 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-13 05:59:44,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 05:59:44,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-13 05:59:44,448 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-13 05:59:44,448 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-13 05:59:44,448 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-13 05:59:44,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-13 05:59:44,449 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-13 05:59:44,449 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-13 05:59:44,449 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-13 05:59:44,449 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-13 05:59:44,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-13 05:59:44,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-13 05:59:44,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-13 05:59:44,765 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-13 05:59:44,768 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-13 05:59:44,769 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl [2021-06-13 05:59:44,769 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl' [2021-06-13 05:59:45,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-13 05:59:45,068 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-13 05:59:45,070 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-13 05:59:45,070 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-13 05:59:45,070 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-13 05:59:45,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:59:45" (1/1) ... [2021-06-13 05:59:45,088 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:59:45" (1/1) ... [2021-06-13 05:59:45,094 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-13 05:59:45,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-13 05:59:45,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-13 05:59:45,097 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-13 05:59:45,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:59:45" (1/1) ... [2021-06-13 05:59:45,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:59:45" (1/1) ... [2021-06-13 05:59:45,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:59:45" (1/1) ... [2021-06-13 05:59:45,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:59:45" (1/1) ... [2021-06-13 05:59:45,107 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:59:45" (1/1) ... [2021-06-13 05:59:45,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:59:45" (1/1) ... [2021-06-13 05:59:45,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:59:45" (1/1) ... [2021-06-13 05:59:45,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-13 05:59:45,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-13 05:59:45,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-13 05:59:45,111 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-13 05:59:45,113 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:59:45" (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 [2021-06-13 05:59:45,174 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-13 05:59:45,174 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-13 05:59:45,174 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-13 05:59:45,174 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-13 05:59:45,174 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-13 05:59:45,174 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-13 05:59:45,174 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-13 05:59:45,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-13 05:59:45,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-13 05:59:45,175 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-13 05:59:45,175 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-13 05:59:45,175 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-13 05:59:45,176 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-13 05:59:45,359 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-13 05:59:45,359 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-13 05:59:45,365 INFO L202 PluginConnector]: Adding new model sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 05:59:45 BoogieIcfgContainer [2021-06-13 05:59:45,365 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-13 05:59:45,366 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-13 05:59:45,366 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-13 05:59:45,368 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-13 05:59:45,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:59:45" (1/2) ... [2021-06-13 05:59:45,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b21cd16 and model type sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 05:59:45, skipping insertion in model container [2021-06-13 05:59:45,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 05:59:45" (2/2) ... [2021-06-13 05:59:45,370 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-array-hom.wvr.bpl [2021-06-13 05:59:45,374 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-13 05:59:45,375 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-13 05:59:45,375 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-13 05:59:45,375 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-13 05:59:45,446 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-13 05:59:45,461 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 [2021-06-13 05:59:45,502 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 05:59:45,503 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 05:59:45,503 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 05:59:45,503 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 05:59:45,503 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 05:59:45,503 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 05:59:45,503 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 05:59:45,503 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-13 05:59:45,511 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36 places, 29 transitions, 82 flow [2021-06-13 05:59:45,527 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 114 states, 112 states have (on average 2.8035714285714284) internal successors, (314), 113 states have internal predecessors, (314), 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) [2021-06-13 05:59:45,535 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 05:59:45,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 05:59:45,540 INFO L82 PathProgramCache]: Analyzing trace with hash 972789898, now seen corresponding path program 1 times [2021-06-13 05:59:45,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 05:59:45,547 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429437181] [2021-06-13 05:59:45,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 05:59:45,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 05:59:45,813 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-13 05:59:45,813 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 05:59:45,813 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429437181] [2021-06-13 05:59:45,814 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429437181] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:59:45,814 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1838236578] [2021-06-13 05:59:45,814 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 [2021-06-13 05:59:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 05:59:45,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-13 05:59:45,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 05:59:46,076 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-13 05:59:46,076 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1838236578] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:59:46,076 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 05:59:46,077 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-06-13 05:59:46,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307309534] [2021-06-13 05:59:46,081 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-13 05:59:46,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 05:59:46,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-13 05:59:46,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-13 05:59:46,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:59:46,094 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 05:59:46,095 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 05:59:46,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:59:46,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 05:59:46,426 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-06-13 05:59:46,426 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 05:59:46,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 05:59:46,427 INFO L82 PathProgramCache]: Analyzing trace with hash -930955962, now seen corresponding path program 2 times [2021-06-13 05:59:46,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 05:59:46,427 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197860620] [2021-06-13 05:59:46,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 05:59:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 05:59:46,574 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 05:59:46,575 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 05:59:46,575 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197860620] [2021-06-13 05:59:46,575 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197860620] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:59:46,575 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239526853] [2021-06-13 05:59:46,575 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 [2021-06-13 05:59:46,621 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-13 05:59:46,621 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 05:59:46,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-13 05:59:46,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 05:59:46,832 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 05:59:46,832 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [239526853] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:59:46,832 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 05:59:46,832 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16 [2021-06-13 05:59:46,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558831525] [2021-06-13 05:59:46,835 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-13 05:59:46,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 05:59:46,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-13 05:59:46,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2021-06-13 05:59:46,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:59:46,841 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 05:59:46,841 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 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) [2021-06-13 05:59:46,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 05:59:46,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:59:47,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 05:59:47,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 05:59:47,224 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 05:59:47,225 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 05:59:47,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 05:59:47,225 INFO L82 PathProgramCache]: Analyzing trace with hash -906426654, now seen corresponding path program 3 times [2021-06-13 05:59:47,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 05:59:47,226 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75954854] [2021-06-13 05:59:47,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 05:59:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 05:59:47,313 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 14 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-13 05:59:47,313 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 05:59:47,313 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75954854] [2021-06-13 05:59:47,313 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75954854] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:59:47,313 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696491267] [2021-06-13 05:59:47,314 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 [2021-06-13 05:59:47,357 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-13 05:59:47,357 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 05:59:47,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-13 05:59:47,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 05:59:47,475 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-13 05:59:47,475 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696491267] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:59:47,475 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 05:59:47,475 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 15 [2021-06-13 05:59:47,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316417336] [2021-06-13 05:59:47,476 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-13 05:59:47,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 05:59:47,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-13 05:59:47,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2021-06-13 05:59:47,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:59:47,477 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 05:59:47,477 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 15 states have internal predecessors, (46), 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) [2021-06-13 05:59:47,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 05:59:47,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 05:59:47,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:59:47,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 05:59:47,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 05:59:47,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 05:59:47,812 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 05:59:47,813 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 05:59:47,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 05:59:47,813 INFO L82 PathProgramCache]: Analyzing trace with hash 249910248, now seen corresponding path program 4 times [2021-06-13 05:59:47,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 05:59:47,814 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033202335] [2021-06-13 05:59:47,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 05:59:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 05:59:48,526 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 05:59:48,526 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 05:59:48,526 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033202335] [2021-06-13 05:59:48,527 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033202335] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:59:48,527 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1927193746] [2021-06-13 05:59:48,527 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 [2021-06-13 05:59:48,578 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-13 05:59:48,578 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 05:59:48,579 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-13 05:59:48,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 05:59:49,426 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 05:59:49,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:59:49,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:59:49,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:59:49,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:59:49,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 19 [2021-06-13 05:59:49,437 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 05:59:49,442 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 05:59:49,444 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 05:59:49,444 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:48, output treesize:5 [2021-06-13 05:59:49,473 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 05:59:49,473 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1927193746] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:59:49,473 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 05:59:49,474 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 30 [2021-06-13 05:59:49,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711316003] [2021-06-13 05:59:49,475 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-13 05:59:49,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 05:59:49,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-13 05:59:49,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=755, Unknown=0, NotChecked=0, Total=870 [2021-06-13 05:59:49,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:59:49,476 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 05:59:49,477 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.2666666666666666) 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) [2021-06-13 05:59:49,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 05:59:49,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 05:59:49,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 05:59:49,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:59:50,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 05:59:50,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 05:59:50,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 05:59:50,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-13 05:59:50,340 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 05:59:50,340 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 05:59:50,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 05:59:50,340 INFO L82 PathProgramCache]: Analyzing trace with hash -46170204, now seen corresponding path program 5 times [2021-06-13 05:59:50,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 05:59:50,341 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973384428] [2021-06-13 05:59:50,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 05:59:50,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 05:59:50,478 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 25 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 05:59:50,478 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 05:59:50,478 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973384428] [2021-06-13 05:59:50,478 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973384428] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:59:50,478 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1374866716] [2021-06-13 05:59:50,478 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 [2021-06-13 05:59:50,530 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-06-13 05:59:50,530 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 05:59:50,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-13 05:59:50,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 05:59:50,881 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 36 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 05:59:50,881 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1374866716] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:59:50,881 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 05:59:50,882 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 30 [2021-06-13 05:59:50,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300480903] [2021-06-13 05:59:50,883 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-13 05:59:50,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 05:59:50,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-13 05:59:50,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=709, Unknown=0, NotChecked=0, Total=870 [2021-06-13 05:59:50,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:59:50,885 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 05:59:50,885 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.4) internal successors, (72), 30 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 05:59:50,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 05:59:50,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 05:59:50,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 05:59:50,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-13 05:59:50,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:59:51,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 05:59:51,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 05:59:51,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 05:59:51,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-13 05:59:51,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-13 05:59:51,476 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 05:59:51,477 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 05:59:51,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 05:59:51,477 INFO L82 PathProgramCache]: Analyzing trace with hash -774361630, now seen corresponding path program 6 times [2021-06-13 05:59:51,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 05:59:51,478 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361686529] [2021-06-13 05:59:51,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 05:59:51,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 05:59:51,681 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 64 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-13 05:59:51,682 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 05:59:51,682 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361686529] [2021-06-13 05:59:51,682 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361686529] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:59:51,682 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1819486311] [2021-06-13 05:59:51,682 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 [2021-06-13 05:59:51,727 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-06-13 05:59:51,727 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 05:59:51,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-13 05:59:51,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 05:59:51,960 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 64 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-13 05:59:51,961 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1819486311] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:59:51,961 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 05:59:51,961 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 27 [2021-06-13 05:59:51,961 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952616667] [2021-06-13 05:59:51,962 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-13 05:59:51,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 05:59:51,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-13 05:59:51,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=515, Unknown=0, NotChecked=0, Total=702 [2021-06-13 05:59:51,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:59:51,963 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 05:59:51,963 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.5185185185185186) internal successors, (68), 27 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) [2021-06-13 05:59:51,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 05:59:51,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 05:59:51,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 05:59:51,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-13 05:59:51,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-13 05:59:51,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:59:52,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 05:59:52,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 05:59:52,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 05:59:52,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-13 05:59:52,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-13 05:59:52,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-13 05:59:52,348 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 05:59:52,349 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 05:59:52,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 05:59:52,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1103534312, now seen corresponding path program 7 times [2021-06-13 05:59:52,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 05:59:52,349 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319017704] [2021-06-13 05:59:52,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 05:59:52,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 05:59:53,734 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 20 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 05:59:53,734 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 05:59:53,735 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319017704] [2021-06-13 05:59:53,735 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319017704] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:59:53,735 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [105416258] [2021-06-13 05:59:53,735 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 [2021-06-13 05:59:53,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 05:59:53,782 WARN L261 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 82 conjunts are in the unsatisfiable core [2021-06-13 05:59:53,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 05:59:55,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:59:55,215 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 05:59:55,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:59:55,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:59:55,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:59:55,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:59:55,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:59:55,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:59:55,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 05:59:55,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 27 [2021-06-13 05:59:55,227 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 05:59:55,233 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 05:59:55,236 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 05:59:55,236 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:72, output treesize:5 [2021-06-13 05:59:55,282 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 05:59:55,282 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [105416258] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 05:59:55,282 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 05:59:55,282 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 25] total 47 [2021-06-13 05:59:55,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947472845] [2021-06-13 05:59:55,283 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-06-13 05:59:55,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 05:59:55,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-06-13 05:59:55,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=1953, Unknown=0, NotChecked=0, Total=2162 [2021-06-13 05:59:55,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:59:55,284 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 05:59:55,286 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 2.127659574468085) internal successors, (100), 47 states have internal predecessors, (100), 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) [2021-06-13 05:59:55,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 05:59:55,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 05:59:55,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 05:59:55,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-13 05:59:55,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-13 05:59:55,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-13 05:59:55,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 05:59:57,100 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 107 [2021-06-13 05:59:57,371 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 117 [2021-06-13 05:59:57,866 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 97 [2021-06-13 05:59:58,134 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 102 [2021-06-13 05:59:58,327 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 92 [2021-06-13 05:59:59,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 05:59:59,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 05:59:59,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 05:59:59,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-13 05:59:59,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-13 05:59:59,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-13 05:59:59,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-13 05:59:59,596 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-06-13 05:59:59,597 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 05:59:59,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 05:59:59,597 INFO L82 PathProgramCache]: Analyzing trace with hash 417964392, now seen corresponding path program 8 times [2021-06-13 05:59:59,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 05:59:59,597 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227464017] [2021-06-13 05:59:59,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 05:59:59,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 06:00:01,051 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 56 proven. 166 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:00:01,051 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 06:00:01,051 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227464017] [2021-06-13 06:00:01,051 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227464017] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 06:00:01,051 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1751926194] [2021-06-13 06:00:01,051 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 [2021-06-13 06:00:01,132 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-13 06:00:01,132 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 06:00:01,134 WARN L261 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 98 conjunts are in the unsatisfiable core [2021-06-13 06:00:01,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 06:00:02,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:02,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:02,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:02,971 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 06:00:02,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:02,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:02,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:02,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:02,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:02,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:02,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:02,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:02,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 55 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 31 [2021-06-13 06:00:02,979 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 06:00:02,985 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:00:02,986 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 06:00:02,986 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:84, output treesize:5 [2021-06-13 06:00:03,018 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:00:03,019 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1751926194] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 06:00:03,019 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 06:00:03,019 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 29] total 55 [2021-06-13 06:00:03,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199457310] [2021-06-13 06:00:03,019 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-06-13 06:00:03,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 06:00:03,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-06-13 06:00:03,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=284, Invalid=2686, Unknown=0, NotChecked=0, Total=2970 [2021-06-13 06:00:03,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 06:00:03,021 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 06:00:03,021 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 2.109090909090909) internal successors, (116), 55 states have internal predecessors, (116), 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) [2021-06-13 06:00:03,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 06:00:03,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:00:03,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:00:03,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-13 06:00:03,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-13 06:00:03,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-13 06:00:03,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-13 06:00:03,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 06:00:05,544 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 121 [2021-06-13 06:00:05,844 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 131 [2021-06-13 06:00:06,040 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 94 [2021-06-13 06:00:06,382 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 109 [2021-06-13 06:00:06,611 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 114 [2021-06-13 06:00:08,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 06:00:08,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:00:08,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:00:08,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-13 06:00:08,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-13 06:00:08,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-13 06:00:08,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-13 06:00:08,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-13 06:00:08,410 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 06:00:08,411 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 06:00:08,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 06:00:08,411 INFO L82 PathProgramCache]: Analyzing trace with hash -187634200, now seen corresponding path program 9 times [2021-06-13 06:00:08,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 06:00:08,411 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879304471] [2021-06-13 06:00:08,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 06:00:08,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 06:00:10,273 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 66 proven. 248 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:00:10,274 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 06:00:10,274 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879304471] [2021-06-13 06:00:10,274 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879304471] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 06:00:10,274 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859641206] [2021-06-13 06:00:10,274 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 [2021-06-13 06:00:10,325 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2021-06-13 06:00:10,325 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 06:00:10,326 WARN L261 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 119 conjunts are in the unsatisfiable core [2021-06-13 06:00:10,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 06:00:13,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:13,385 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-06-13 06:00:13,385 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:00:13,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 150 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 21 case distinctions, treesize of input 97 treesize of output 243 [2021-06-13 06:00:14,078 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 493 DAG size of output: 25 [2021-06-13 06:00:14,236 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 493 DAG size of output: 25 [2021-06-13 06:00:14,412 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 34 [2021-06-13 06:00:14,419 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-06-13 06:00:14,445 INFO L628 ElimStorePlain]: treesize reduction 4, result has 89.7 percent of original size [2021-06-13 06:00:14,449 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 06:00:14,449 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:121, output treesize:22 [2021-06-13 06:00:14,585 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 0 proven. 314 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:00:14,587 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1859641206] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 06:00:14,587 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 06:00:14,588 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 36] total 66 [2021-06-13 06:00:14,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350622603] [2021-06-13 06:00:14,590 INFO L462 AbstractCegarLoop]: Interpolant automaton has 66 states [2021-06-13 06:00:14,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 06:00:14,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-06-13 06:00:14,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=362, Invalid=3928, Unknown=0, NotChecked=0, Total=4290 [2021-06-13 06:00:14,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 06:00:14,592 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 06:00:14,592 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 66 states, 66 states have (on average 2.0) internal successors, (132), 66 states have internal predecessors, (132), 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) [2021-06-13 06:00:14,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 06:00:14,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:00:14,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:00:14,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-13 06:00:14,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-13 06:00:14,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-13 06:00:14,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-13 06:00:14,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-13 06:00:14,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 06:00:17,597 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 78 [2021-06-13 06:00:17,819 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 79 [2021-06-13 06:00:18,979 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 134 [2021-06-13 06:00:19,436 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 144 [2021-06-13 06:00:19,723 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 106 [2021-06-13 06:00:20,195 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 116 [2021-06-13 06:00:20,484 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 121 [2021-06-13 06:00:20,664 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 111 [2021-06-13 06:00:22,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 06:00:22,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:00:22,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:00:22,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-13 06:00:22,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-13 06:00:22,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-13 06:00:22,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-13 06:00:22,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-13 06:00:22,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-13 06:00:22,888 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 06:00:22,901 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 06:00:22,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 06:00:22,902 INFO L82 PathProgramCache]: Analyzing trace with hash -1628012952, now seen corresponding path program 10 times [2021-06-13 06:00:22,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 06:00:22,902 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270140297] [2021-06-13 06:00:22,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 06:00:22,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 06:00:25,252 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 92 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:00:25,252 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 06:00:25,253 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270140297] [2021-06-13 06:00:25,253 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270140297] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 06:00:25,253 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1597764718] [2021-06-13 06:00:25,253 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 06:00:25,297 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-13 06:00:25,297 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 06:00:25,300 WARN L261 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 130 conjunts are in the unsatisfiable core [2021-06-13 06:00:25,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 06:00:28,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:28,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:28,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:28,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:28,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:28,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:28,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:28,510 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 06:00:28,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:28,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:28,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:28,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:28,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:28,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:28,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:28,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 105 disjoint index pairs (out of 120 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 39 [2021-06-13 06:00:28,517 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 06:00:28,523 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:00:28,524 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 06:00:28,524 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:108, output treesize:5 [2021-06-13 06:00:28,574 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 0 proven. 422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:00:28,574 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1597764718] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 06:00:28,574 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 06:00:28,574 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 37] total 71 [2021-06-13 06:00:28,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295011470] [2021-06-13 06:00:28,575 INFO L462 AbstractCegarLoop]: Interpolant automaton has 71 states [2021-06-13 06:00:28,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 06:00:28,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2021-06-13 06:00:28,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=427, Invalid=4543, Unknown=0, NotChecked=0, Total=4970 [2021-06-13 06:00:28,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 06:00:28,577 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 06:00:28,577 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 71 states, 71 states have (on average 2.084507042253521) internal successors, (148), 71 states have internal predecessors, (148), 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) [2021-06-13 06:00:28,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 06:00:28,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:00:28,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:00:28,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-13 06:00:28,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-13 06:00:28,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-13 06:00:28,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-13 06:00:28,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-13 06:00:28,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-13 06:00:28,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 06:00:32,900 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 108 [2021-06-13 06:00:33,230 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 104 [2021-06-13 06:00:33,617 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 125 [2021-06-13 06:00:33,992 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 160 [2021-06-13 06:00:34,276 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 126 [2021-06-13 06:00:34,538 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 130 [2021-06-13 06:00:34,822 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 137 [2021-06-13 06:00:35,020 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 128 [2021-06-13 06:00:35,422 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 142 [2021-06-13 06:00:35,650 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 133 [2021-06-13 06:00:37,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 06:00:37,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:00:37,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:00:37,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-13 06:00:37,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-13 06:00:37,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-13 06:00:37,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-13 06:00:37,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-13 06:00:37,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-13 06:00:37,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-13 06:00:37,413 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable127 [2021-06-13 06:00:37,413 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 06:00:37,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 06:00:37,414 INFO L82 PathProgramCache]: Analyzing trace with hash -1747692824, now seen corresponding path program 11 times [2021-06-13 06:00:37,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 06:00:37,414 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259286643] [2021-06-13 06:00:37,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 06:00:37,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 06:00:40,007 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 81 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:00:40,007 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 06:00:40,007 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259286643] [2021-06-13 06:00:40,007 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259286643] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 06:00:40,007 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [870745157] [2021-06-13 06:00:40,007 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 06:00:40,067 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 18 check-sat command(s) [2021-06-13 06:00:40,068 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 06:00:40,070 WARN L261 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 146 conjunts are in the unsatisfiable core [2021-06-13 06:00:40,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 06:00:44,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:44,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:44,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:44,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:44,071 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 06:00:44,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:44,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:44,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:44,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:44,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:44,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:44,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:44,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:44,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:44,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:44,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:44,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:00:44,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 136 disjoint index pairs (out of 153 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 43 [2021-06-13 06:00:44,083 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 06:00:44,089 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:00:44,090 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 06:00:44,090 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:122, output treesize:5 [2021-06-13 06:00:44,143 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 0 proven. 546 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:00:44,143 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [870745157] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 06:00:44,144 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 06:00:44,144 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 41] total 81 [2021-06-13 06:00:44,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748046934] [2021-06-13 06:00:44,144 INFO L462 AbstractCegarLoop]: Interpolant automaton has 81 states [2021-06-13 06:00:44,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 06:00:44,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2021-06-13 06:00:44,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=466, Invalid=6014, Unknown=0, NotChecked=0, Total=6480 [2021-06-13 06:00:44,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 06:00:44,147 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 06:00:44,147 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 81 states, 81 states have (on average 2.049382716049383) internal successors, (166), 81 states have internal predecessors, (166), 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) [2021-06-13 06:00:44,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 06:00:44,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:00:44,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:00:44,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-13 06:00:44,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-13 06:00:44,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-13 06:00:44,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-13 06:00:44,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-13 06:00:44,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-13 06:00:44,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-13 06:00:44,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 06:00:50,554 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 122 [2021-06-13 06:00:51,197 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 178 [2021-06-13 06:00:51,697 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 188 [2021-06-13 06:00:52,085 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 142 [2021-06-13 06:00:52,335 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 126 [2021-06-13 06:00:52,582 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 136 [2021-06-13 06:00:52,911 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 141 [2021-06-13 06:00:53,148 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 131 [2021-06-13 06:00:56,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 06:00:56,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:00:56,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 06:00:56,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-13 06:00:56,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-13 06:00:56,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-13 06:00:56,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-13 06:00:56,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-13 06:00:56,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-13 06:00:56,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-13 06:00:56,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-06-13 06:00:56,750 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable128 [2021-06-13 06:00:56,750 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 06:00:56,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 06:00:56,753 INFO L82 PathProgramCache]: Analyzing trace with hash -1763415192, now seen corresponding path program 12 times [2021-06-13 06:00:56,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 06:00:56,753 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014572771] [2021-06-13 06:00:56,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 06:00:56,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 06:00:59,710 INFO L134 CoverageAnalysis]: Checked inductivity of 686 backedges. 126 proven. 560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:00:59,710 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 06:00:59,710 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014572771] [2021-06-13 06:00:59,710 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014572771] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 06:00:59,710 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003504111] [2021-06-13 06:00:59,710 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 06:00:59,775 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2021-06-13 06:00:59,775 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 06:00:59,777 WARN L261 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 164 conjunts are in the unsatisfiable core [2021-06-13 06:00:59,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 06:01:08,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 06:01:08,428 INFO L244 Elim1Store]: Index analysis took 400 ms [2021-06-13 06:01:15,709 WARN L205 SmtUtils]: Spent 7.28 s on a formula simplification that was a NOOP. DAG size: 1060 [2021-06-13 06:01:15,709 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:01:15,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 33 select indices, 33 select index equivalence classes, 283 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 245 case distinctions, treesize of input 173 treesize of output 2621 [2021-06-13 06:01:19,756 WARN L205 SmtUtils]: Spent 3.75 s on a formula simplification. DAG size of input: 4118 DAG size of output: 2759 [2021-06-13 06:01:24,326 WARN L205 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 4183 DAG size of output: 2825 [2021-06-13 06:03:40,471 WARN L205 SmtUtils]: Spent 2.21 m on a formula simplification. DAG size of input: 40580 DAG size of output: 24773 [2021-06-13 06:06:17,518 WARN L205 SmtUtils]: Spent 2.54 m on a formula simplification. DAG size of input: 40645 DAG size of output: 24839 [2021-06-13 06:06:44,404 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-06-13 06:07:05,519 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 136 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown