/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/min-max-dec.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-09 20:34:25,304 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-09 20:34:25,306 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-09 20:34:25,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-09 20:34:25,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-09 20:34:25,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-09 20:34:25,343 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-09 20:34:25,347 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-09 20:34:25,348 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-09 20:34:25,351 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-09 20:34:25,352 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-09 20:34:25,353 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-09 20:34:25,353 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-09 20:34:25,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-09 20:34:25,355 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-09 20:34:25,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-09 20:34:25,357 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-09 20:34:25,358 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-09 20:34:25,360 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-09 20:34:25,364 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-09 20:34:25,365 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-09 20:34:25,365 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-09 20:34:25,366 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-09 20:34:25,367 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-09 20:34:25,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-09 20:34:25,372 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-09 20:34:25,372 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-09 20:34:25,373 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-09 20:34:25,373 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-09 20:34:25,374 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2021-07-09 20:34:25,377 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-09 20:34:25,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-09 20:34:25,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-09 20:34:25,381 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 [2021-07-09 20:34:25,408 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-09 20:34:25,409 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-09 20:34:25,409 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-09 20:34:25,409 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-09 20:34:25,411 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-09 20:34:25,411 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-09 20:34:25,411 INFO L138 SettingsManager]: * Use SBE=true [2021-07-09 20:34:25,411 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-09 20:34:25,411 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-09 20:34:25,411 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-09 20:34:25,412 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-09 20:34:25,412 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-09 20:34:25,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-09 20:34:25,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-09 20:34:25,412 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-09 20:34:25,413 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-09 20:34:25,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-09 20:34:25,413 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-09 20:34:25,413 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-09 20:34:25,413 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-09 20:34:25,413 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-09 20:34:25,413 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-09 20:34:25,413 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-09 20:34:25,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-09 20:34:25,413 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-09 20:34:25,414 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-09 20:34:25,414 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-09 20:34:25,414 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-09 20:34:25,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-09 20:34:25,431 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-09 20:34:25,431 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-09 20:34:25,431 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-09 20:34:25,431 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-09 20:34:25,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-09 20:34:25,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-09 20:34:25,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-09 20:34:25,691 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-09 20:34:25,692 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-09 20:34:25,692 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-dec.wvr.bpl [2021-07-09 20:34:25,692 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-dec.wvr.bpl' [2021-07-09 20:34:25,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-09 20:34:25,713 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-09 20:34:25,714 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-09 20:34:25,714 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-09 20:34:25,714 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-09 20:34:25,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 08:34:25" (1/1) ... [2021-07-09 20:34:25,729 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 08:34:25" (1/1) ... [2021-07-09 20:34:25,734 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-09 20:34:25,735 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-09 20:34:25,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-09 20:34:25,736 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-09 20:34:25,741 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 08:34:25" (1/1) ... [2021-07-09 20:34:25,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 08:34:25" (1/1) ... [2021-07-09 20:34:25,743 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 08:34:25" (1/1) ... [2021-07-09 20:34:25,743 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 08:34:25" (1/1) ... [2021-07-09 20:34:25,748 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 08:34:25" (1/1) ... [2021-07-09 20:34:25,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 08:34:25" (1/1) ... [2021-07-09 20:34:25,751 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 08:34:25" (1/1) ... [2021-07-09 20:34:25,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-09 20:34:25,753 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-09 20:34:25,753 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-09 20:34:25,753 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-09 20:34:25,756 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 08:34:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-09 20:34:25,802 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-09 20:34:25,803 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-09 20:34:25,803 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-09 20:34:25,803 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-09 20:34:25,803 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-09 20:34:25,803 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-09 20:34:25,803 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-09 20:34:25,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-09 20:34:25,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-09 20:34:25,803 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-09 20:34:25,803 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-09 20:34:25,804 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-09 20:34:25,804 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-07-09 20:34:25,804 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-07-09 20:34:25,804 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-07-09 20:34:25,804 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-09 20:34:26,010 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-09 20:34:26,011 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-09 20:34:26,012 INFO L202 PluginConnector]: Adding new model min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 08:34:26 BoogieIcfgContainer [2021-07-09 20:34:26,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-09 20:34:26,013 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-09 20:34:26,013 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-09 20:34:26,015 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-09 20:34:26,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 08:34:25" (1/2) ... [2021-07-09 20:34:26,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e0f7e1f and model type min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.07 08:34:26, skipping insertion in model container [2021-07-09 20:34:26,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 08:34:26" (2/2) ... [2021-07-09 20:34:26,017 INFO L111 eAbstractionObserver]: Analyzing ICFG min-max-dec.wvr.bpl [2021-07-09 20:34:26,021 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-09 20:34:26,021 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-09 20:34:26,022 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-09 20:34:26,022 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-09 20:34:26,103 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-07-09 20:34:26,120 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-09 20:34:26,164 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-09 20:34:26,165 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-09 20:34:26,166 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-09 20:34:26,166 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-09 20:34:26,166 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-09 20:34:26,166 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-09 20:34:26,166 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-09 20:34:26,166 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-09 20:34:26,176 INFO L110 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 45 places, 35 transitions, 102 flow [2021-07-09 20:34:26,225 INFO L132 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 710 states, 709 states have (on average 3.6473906911142455) internal successors, (2586), 709 states have internal predecessors, (2586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 20:34:26,238 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:34:26,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:34:26,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1380544254, now seen corresponding path program 1 times [2021-07-09 20:34:26,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:34:26,267 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934849318] [2021-07-09 20:34:26,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:34:26,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:34:26,585 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:34:26,585 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:34:26,586 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934849318] [2021-07-09 20:34:26,587 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934849318] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:34:26,587 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [106430264] [2021-07-09 20:34:26,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:34:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:34:26,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-09 20:34:26,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:34:26,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-09 20:34:26,818 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 20:34:26,819 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 20:34:26,820 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 20:34:26,820 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2021-07-09 20:34:26,868 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:34:26,868 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [106430264] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:34:26,868 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:34:26,868 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-07-09 20:34:26,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198269928] [2021-07-09 20:34:26,872 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-09 20:34:26,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:34:26,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-09 20:34:26,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-07-09 20:34:26,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:34:26,881 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:34:26,882 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 10 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 20:34:26,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:34:26,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:34:27,161 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-07-09 20:34:27,161 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:34:27,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:34:27,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1573356640, now seen corresponding path program 2 times [2021-07-09 20:34:27,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:34:27,162 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842232622] [2021-07-09 20:34:27,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:34:27,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:34:27,256 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:34:27,256 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:34:27,257 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842232622] [2021-07-09 20:34:27,257 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842232622] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:34:27,257 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1774964215] [2021-07-09 20:34:27,257 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:34:27,317 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 20:34:27,317 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 20:34:27,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-09 20:34:27,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:34:27,416 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 20:34:27,416 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1774964215] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:34:27,416 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:34:27,417 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-07-09 20:34:27,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329924152] [2021-07-09 20:34:27,417 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-09 20:34:27,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:34:27,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-09 20:34:27,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-07-09 20:34:27,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:34:27,418 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:34:27,419 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 9 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 20:34:27,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:34:27,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:34:27,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:34:27,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 20:34:27,778 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:34:27,779 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:34:27,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:34:27,779 INFO L82 PathProgramCache]: Analyzing trace with hash 1624290758, now seen corresponding path program 3 times [2021-07-09 20:34:27,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:34:27,780 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189659574] [2021-07-09 20:34:27,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:34:27,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:34:27,836 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-09 20:34:27,836 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:34:27,836 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189659574] [2021-07-09 20:34:27,836 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189659574] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:34:27,837 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1336558587] [2021-07-09 20:34:27,837 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 [2021-07-09 20:34:27,886 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-09 20:34:27,886 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 20:34:27,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-09 20:34:27,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:34:28,074 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 20:34:28,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 18 [2021-07-09 20:34:28,094 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 20:34:28,097 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-07-09 20:34:28,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 10 [2021-07-09 20:34:28,100 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-09 20:34:28,102 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 20:34:28,103 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 20:34:28,103 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:35, output treesize:3 [2021-07-09 20:34:28,137 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-09 20:34:28,137 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1336558587] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:34:28,137 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:34:28,137 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 14 [2021-07-09 20:34:28,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488502829] [2021-07-09 20:34:28,137 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-09 20:34:28,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:34:28,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-09 20:34:28,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2021-07-09 20:34:28,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:34:28,138 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:34:28,138 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 4.533333333333333) internal successors, (68), 14 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) [2021-07-09 20:34:28,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:34:28,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-09 20:34:28,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:34:29,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:34:29,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:34:29,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:34:29,334 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:34:29,334 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:34:29,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:34:29,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1255243478, now seen corresponding path program 4 times [2021-07-09 20:34:29,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:34:29,335 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101320589] [2021-07-09 20:34:29,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:34:29,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:34:29,396 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-09 20:34:29,396 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:34:29,396 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101320589] [2021-07-09 20:34:29,396 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101320589] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:34:29,396 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [277562928] [2021-07-09 20:34:29,396 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 [2021-07-09 20:34:29,432 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 20:34:29,433 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 20:34:29,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-09 20:34:29,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:34:29,512 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-09 20:34:29,512 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [277562928] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:34:29,512 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:34:29,512 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-07-09 20:34:29,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513926552] [2021-07-09 20:34:29,513 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-09 20:34:29,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:34:29,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-09 20:34:29,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-07-09 20:34:29,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:34:29,515 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:34:29,515 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 20:34:29,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:34:29,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:34:29,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:34:29,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:34:29,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:34:29,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:34:29,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:34:29,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:34:29,820 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:34:29,821 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:34:29,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:34:29,821 INFO L82 PathProgramCache]: Analyzing trace with hash 691148848, now seen corresponding path program 5 times [2021-07-09 20:34:29,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:34:29,822 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861265830] [2021-07-09 20:34:29,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:34:29,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:34:29,898 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-07-09 20:34:29,898 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:34:29,898 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861265830] [2021-07-09 20:34:29,898 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861265830] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:34:29,898 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [403982615] [2021-07-09 20:34:29,898 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 [2021-07-09 20:34:29,963 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-07-09 20:34:29,964 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 20:34:29,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-09 20:34:29,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:34:30,083 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 16 proven. 18 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-07-09 20:34:30,084 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [403982615] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:34:30,084 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:34:30,084 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2021-07-09 20:34:30,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507465604] [2021-07-09 20:34:30,084 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-09 20:34:30,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:34:30,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-09 20:34:30,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2021-07-09 20:34:30,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:34:30,085 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:34:30,085 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 4.533333333333333) internal successors, (68), 14 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) [2021-07-09 20:34:30,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:34:30,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:34:30,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:34:30,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:34:30,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:34:30,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:34:30,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:34:30,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:34:30,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:34:30,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:34:30,560 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:34:30,561 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:34:30,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:34:30,561 INFO L82 PathProgramCache]: Analyzing trace with hash -879250696, now seen corresponding path program 6 times [2021-07-09 20:34:30,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:34:30,562 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487027824] [2021-07-09 20:34:30,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:34:30,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:34:30,639 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 38 proven. 16 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-07-09 20:34:30,640 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:34:30,640 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487027824] [2021-07-09 20:34:30,640 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487027824] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:34:30,640 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1677314816] [2021-07-09 20:34:30,640 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 [2021-07-09 20:34:30,695 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-09 20:34:30,696 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 20:34:30,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-09 20:34:30,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:34:30,821 INFO L354 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2021-07-09 20:34:30,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 28 [2021-07-09 20:34:30,829 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-09 20:34:30,847 INFO L628 ElimStorePlain]: treesize reduction 15, result has 67.4 percent of original size [2021-07-09 20:34:30,856 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-09 20:34:30,856 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:28 [2021-07-09 20:34:31,467 INFO L446 ElimStorePlain]: Different costs {3=[A, v_prenex_9], 10=[v_prenex_6]} [2021-07-09 20:34:31,485 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 20:34:31,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 18 treesize of output 36 [2021-07-09 20:34:31,503 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-09 20:34:31,612 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 77 [2021-07-09 20:34:31,613 INFO L628 ElimStorePlain]: treesize reduction 5, result has 97.2 percent of original size [2021-07-09 20:34:31,632 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 20:34:31,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 16 treesize of output 34 [2021-07-09 20:34:31,650 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 3 xjuncts. [2021-07-09 20:34:31,803 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2021-07-09 20:34:31,803 INFO L628 ElimStorePlain]: treesize reduction 4, result has 97.8 percent of original size [2021-07-09 20:34:31,824 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 20:34:31,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 18 treesize of output 34 [2021-07-09 20:34:31,852 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 3 xjuncts. [2021-07-09 20:34:31,870 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 20:34:31,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 36 [2021-07-09 20:34:31,885 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-07-09 20:34:32,035 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 79 [2021-07-09 20:34:32,036 INFO L628 ElimStorePlain]: treesize reduction 13, result has 92.9 percent of original size [2021-07-09 20:34:32,084 INFO L550 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 3 dim-1 vars, End of recursive call: and 7 xjuncts. [2021-07-09 20:34:32,084 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 12 variables, input treesize:167, output treesize:78 [2021-07-09 20:34:32,264 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 22 proven. 30 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-07-09 20:34:32,265 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1677314816] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:34:32,265 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:34:32,265 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 15] total 25 [2021-07-09 20:34:32,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786098309] [2021-07-09 20:34:32,265 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-09 20:34:32,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:34:32,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-09 20:34:32,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=522, Unknown=0, NotChecked=0, Total=600 [2021-07-09 20:34:32,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:34:32,267 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:34:32,267 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 3.36) internal successors, (84), 25 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 20:34:32,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:34:32,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:34:32,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:34:32,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:34:32,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-09 20:34:32,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:34:34,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:34:34,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:34:34,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:34:34,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:34:34,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:34:34,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:34:34,464 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:34:34,467 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:34:34,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:34:34,467 INFO L82 PathProgramCache]: Analyzing trace with hash -639001832, now seen corresponding path program 7 times [2021-07-09 20:34:34,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:34:34,467 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976628868] [2021-07-09 20:34:34,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:34:34,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:34:34,779 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 124 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:34:34,779 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:34:34,779 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976628868] [2021-07-09 20:34:34,780 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976628868] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:34:34,780 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275859623] [2021-07-09 20:34:34,780 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 [2021-07-09 20:34:34,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:34:34,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-09 20:34:34,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:34:35,174 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 119 proven. 37 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-07-09 20:34:35,175 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1275859623] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:34:35,175 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:34:35,175 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 15] total 41 [2021-07-09 20:34:35,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439639189] [2021-07-09 20:34:35,177 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-07-09 20:34:35,177 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:34:35,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-07-09 20:34:35,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=244, Invalid=1478, Unknown=0, NotChecked=0, Total=1722 [2021-07-09 20:34:35,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:34:35,178 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:34:35,178 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 2.8333333333333335) internal successors, (119), 41 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 20:34:35,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:34:35,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:34:35,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:34:35,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:34:35,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:34:35,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:34:35,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:34:35,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:34:35,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:34:35,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:34:35,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:34:35,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:34:35,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:34:35,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:34:35,660 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable85 [2021-07-09 20:34:35,661 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:34:35,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:34:35,661 INFO L82 PathProgramCache]: Analyzing trace with hash 516595548, now seen corresponding path program 8 times [2021-07-09 20:34:35,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:34:35,661 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978712837] [2021-07-09 20:34:35,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:34:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:34:35,816 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 140 proven. 72 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-07-09 20:34:35,816 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:34:35,816 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978712837] [2021-07-09 20:34:35,816 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978712837] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:34:35,816 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [285399918] [2021-07-09 20:34:35,816 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 [2021-07-09 20:34:35,860 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 20:34:35,860 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 20:34:35,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-09 20:34:35,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:34:36,260 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 141 proven. 66 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-07-09 20:34:36,260 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [285399918] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:34:36,260 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:34:36,260 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 37 [2021-07-09 20:34:36,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117520590] [2021-07-09 20:34:36,263 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-07-09 20:34:36,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:34:36,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-07-09 20:34:36,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=1189, Unknown=0, NotChecked=0, Total=1406 [2021-07-09 20:34:36,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:34:36,264 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:34:36,264 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 3.1315789473684212) internal successors, (119), 37 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 20:34:36,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:34:36,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:34:36,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:34:36,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:34:36,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:34:36,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:34:36,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:34:36,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:34:36,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:34:36,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:34:36,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:34:36,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:34:36,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:34:36,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:34:36,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:34:36,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:34:36,913 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:34:36,913 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:34:36,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:34:36,913 INFO L82 PathProgramCache]: Analyzing trace with hash 1195893152, now seen corresponding path program 9 times [2021-07-09 20:34:36,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:34:36,914 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647597311] [2021-07-09 20:34:36,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:34:36,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:34:37,097 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 64 proven. 184 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-07-09 20:34:37,097 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:34:37,097 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647597311] [2021-07-09 20:34:37,097 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647597311] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:34:37,098 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [719131034] [2021-07-09 20:34:37,098 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 [2021-07-09 20:34:37,181 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2021-07-09 20:34:37,181 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 20:34:37,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-09 20:34:37,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:34:37,328 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 81 proven. 167 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-07-09 20:34:37,328 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [719131034] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:34:37,328 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:34:37,328 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 22 [2021-07-09 20:34:37,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561114647] [2021-07-09 20:34:37,328 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-09 20:34:37,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:34:37,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-09 20:34:37,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2021-07-09 20:34:37,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:34:37,329 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:34:37,329 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 3.3043478260869565) internal successors, (76), 22 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 20:34:37,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:34:37,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:34:37,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:34:37,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:34:37,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:34:37,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:34:37,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:34:37,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:34:37,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:34:37,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:34:37,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:34:37,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:34:37,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:34:37,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:34:37,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:34:37,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:34:37,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:34:37,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:34:37,975 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:34:37,975 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:34:37,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:34:37,976 INFO L82 PathProgramCache]: Analyzing trace with hash 2072014986, now seen corresponding path program 10 times [2021-07-09 20:34:37,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:34:37,976 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964481380] [2021-07-09 20:34:37,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:34:37,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:34:38,986 INFO L134 CoverageAnalysis]: Checked inductivity of 932 backedges. 680 proven. 252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:34:38,986 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:34:38,986 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964481380] [2021-07-09 20:34:38,986 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964481380] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:34:38,986 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105607301] [2021-07-09 20:34:38,986 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 [2021-07-09 20:34:39,055 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 20:34:39,055 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 20:34:39,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 23 conjunts are in the unsatisfiable core [2021-07-09 20:34:39,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:34:39,910 INFO L134 CoverageAnalysis]: Checked inductivity of 932 backedges. 506 proven. 100 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2021-07-09 20:34:39,910 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2105607301] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:34:39,911 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:34:39,911 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 23] total 74 [2021-07-09 20:34:39,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465386450] [2021-07-09 20:34:39,911 INFO L462 AbstractCegarLoop]: Interpolant automaton has 75 states [2021-07-09 20:34:39,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:34:39,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2021-07-09 20:34:39,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=899, Invalid=4651, Unknown=0, NotChecked=0, Total=5550 [2021-07-09 20:34:39,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:34:39,913 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:34:39,913 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 75 states, 75 states have (on average 2.52) internal successors, (189), 74 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 20:34:39,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:34:39,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:34:39,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:34:39,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:34:39,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:34:39,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:34:39,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:34:39,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:34:39,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:34:39,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:34:40,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:34:40,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:34:40,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:34:40,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:34:40,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:34:40,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:34:40,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:34:40,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:34:40,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:34:40,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:34:40,636 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable88 [2021-07-09 20:34:40,637 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:34:40,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:34:40,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1660541402, now seen corresponding path program 11 times [2021-07-09 20:34:40,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:34:40,638 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156994711] [2021-07-09 20:34:40,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:34:40,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:34:41,638 INFO L134 CoverageAnalysis]: Checked inductivity of 976 backedges. 670 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:34:41,639 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:34:41,639 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156994711] [2021-07-09 20:34:41,639 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156994711] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:34:41,639 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1257255282] [2021-07-09 20:34:41,639 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 [2021-07-09 20:34:42,021 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 26 check-sat command(s) [2021-07-09 20:34:42,022 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 20:34:42,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-09 20:34:42,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:34:43,024 INFO L134 CoverageAnalysis]: Checked inductivity of 976 backedges. 575 proven. 148 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2021-07-09 20:34:43,025 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1257255282] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:34:43,025 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:34:43,025 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 27] total 80 [2021-07-09 20:34:43,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103380556] [2021-07-09 20:34:43,025 INFO L462 AbstractCegarLoop]: Interpolant automaton has 81 states [2021-07-09 20:34:43,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:34:43,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2021-07-09 20:34:43,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=982, Invalid=5498, Unknown=0, NotChecked=0, Total=6480 [2021-07-09 20:34:43,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:34:43,027 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:34:43,027 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 81 states, 81 states have (on average 2.506172839506173) internal successors, (203), 80 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 20:34:43,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:34:43,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:34:43,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:34:43,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:34:43,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:34:43,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:34:43,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:34:43,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:34:43,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:34:43,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:34:43,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:34:43,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:34:43,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:34:43,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:34:43,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:34:43,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:34:43,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:34:43,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:34:43,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:34:43,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:34:43,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:34:43,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:34:43,840 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable89 [2021-07-09 20:34:43,840 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:34:43,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:34:43,840 INFO L82 PathProgramCache]: Analyzing trace with hash -522812642, now seen corresponding path program 12 times [2021-07-09 20:34:43,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:34:43,841 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690691496] [2021-07-09 20:34:43,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:34:43,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:34:44,845 INFO L134 CoverageAnalysis]: Checked inductivity of 1028 backedges. 670 proven. 358 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:34:44,845 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:34:44,845 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690691496] [2021-07-09 20:34:44,845 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690691496] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:34:44,845 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1788660652] [2021-07-09 20:34:44,845 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 [2021-07-09 20:34:45,043 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 26 check-sat command(s) [2021-07-09 20:34:45,043 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 20:34:45,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-09 20:34:45,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:34:46,144 INFO L134 CoverageAnalysis]: Checked inductivity of 1028 backedges. 637 proven. 201 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-07-09 20:34:46,144 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1788660652] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:34:46,144 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:34:46,144 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 31] total 86 [2021-07-09 20:34:46,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759666470] [2021-07-09 20:34:46,145 INFO L462 AbstractCegarLoop]: Interpolant automaton has 87 states [2021-07-09 20:34:46,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:34:46,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-07-09 20:34:46,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1077, Invalid=6405, Unknown=0, NotChecked=0, Total=7482 [2021-07-09 20:34:46,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:34:46,147 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:34:46,147 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 87 states, 87 states have (on average 2.4942528735632186) internal successors, (217), 86 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 20:34:46,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:34:46,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:34:46,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:34:46,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:34:46,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:34:46,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:34:46,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:34:46,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:34:46,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:34:46,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:34:46,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:34:46,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:34:46,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:34:46,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:34:46,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:34:46,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:34:46,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:34:46,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:34:46,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:34:46,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:34:46,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:34:46,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:34:46,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:34:46,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:34:47,071 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,14 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:34:47,072 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:34:47,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:34:47,072 INFO L82 PathProgramCache]: Analyzing trace with hash 1643440738, now seen corresponding path program 13 times [2021-07-09 20:34:47,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:34:47,072 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302851082] [2021-07-09 20:34:47,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:34:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:34:47,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1088 backedges. 792 proven. 266 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-07-09 20:34:47,683 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:34:47,683 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302851082] [2021-07-09 20:34:47,683 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302851082] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:34:47,683 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2107806442] [2021-07-09 20:34:47,683 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:34:47,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:34:47,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 35 conjunts are in the unsatisfiable core [2021-07-09 20:34:47,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:34:47,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1088 backedges. 689 proven. 262 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-07-09 20:34:47,954 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2107806442] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:34:47,954 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:34:47,954 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 35] total 43 [2021-07-09 20:34:47,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749310533] [2021-07-09 20:34:47,954 INFO L462 AbstractCegarLoop]: Interpolant automaton has 44 states [2021-07-09 20:34:47,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:34:47,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-07-09 20:34:47,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=514, Invalid=1378, Unknown=0, NotChecked=0, Total=1892 [2021-07-09 20:34:47,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:34:47,955 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:34:47,955 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 44 states, 44 states have (on average 3.1136363636363638) internal successors, (137), 43 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 20:34:47,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:34:47,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:34:47,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:34:47,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:34:47,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:34:47,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:34:47,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:34:47,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:34:47,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:34:47,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:34:47,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:34:47,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:34:47,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:34:48,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:34:48,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:34:48,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:34:48,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:34:48,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:34:48,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:34:48,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:34:48,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:34:48,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:34:48,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:34:48,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:34:48,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:34:48,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:34:48,473 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:34:48,473 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:34:48,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:34:48,474 INFO L82 PathProgramCache]: Analyzing trace with hash -750383194, now seen corresponding path program 14 times [2021-07-09 20:34:48,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:34:48,474 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490572084] [2021-07-09 20:34:48,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:34:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:34:48,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 256 proven. 853 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-07-09 20:34:48,957 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:34:48,957 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490572084] [2021-07-09 20:34:48,957 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490572084] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:34:48,957 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1611784082] [2021-07-09 20:34:48,958 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:34:49,019 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 20:34:49,019 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 20:34:49,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 39 conjunts are in the unsatisfiable core [2021-07-09 20:34:49,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:34:50,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 731 proven. 331 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2021-07-09 20:34:50,171 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1611784082] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:34:50,171 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:34:50,171 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 39] total 74 [2021-07-09 20:34:50,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879833358] [2021-07-09 20:34:50,172 INFO L462 AbstractCegarLoop]: Interpolant automaton has 75 states [2021-07-09 20:34:50,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:34:50,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2021-07-09 20:34:50,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=761, Invalid=4789, Unknown=0, NotChecked=0, Total=5550 [2021-07-09 20:34:50,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:34:50,173 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:34:50,174 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 75 states, 75 states have (on average 2.933333333333333) internal successors, (220), 74 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 20:34:50,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:34:50,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:34:50,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:34:50,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:34:50,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:34:50,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:34:50,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:34:50,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:34:50,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:34:50,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:34:50,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:34:50,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:34:50,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:34:50,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:34:52,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:34:52,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:34:52,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:34:52,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:34:52,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:34:52,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:34:52,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:34:52,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:34:52,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:34:52,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:34:52,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:34:52,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:34:52,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:34:52,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-09 20:34:52,699 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:34:52,699 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:34:52,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:34:52,700 INFO L82 PathProgramCache]: Analyzing trace with hash 1382400864, now seen corresponding path program 15 times [2021-07-09 20:34:52,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:34:52,700 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464641351] [2021-07-09 20:34:52,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:34:52,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:34:54,856 INFO L134 CoverageAnalysis]: Checked inductivity of 2373 backedges. 1706 proven. 667 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:34:54,856 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:34:54,856 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464641351] [2021-07-09 20:34:54,856 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464641351] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:34:54,856 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1709175587] [2021-07-09 20:34:54,856 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:34:55,333 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 39 check-sat command(s) [2021-07-09 20:34:55,334 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 20:34:55,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 47 conjunts are in the unsatisfiable core [2021-07-09 20:34:55,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:34:57,722 INFO L134 CoverageAnalysis]: Checked inductivity of 2373 backedges. 1890 proven. 422 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-07-09 20:34:57,723 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1709175587] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:34:57,723 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:34:57,723 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [83, 45] total 127 [2021-07-09 20:34:57,723 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334199996] [2021-07-09 20:34:57,723 INFO L462 AbstractCegarLoop]: Interpolant automaton has 128 states [2021-07-09 20:34:57,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:34:57,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2021-07-09 20:34:57,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2426, Invalid=13830, Unknown=0, NotChecked=0, Total=16256 [2021-07-09 20:34:57,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:34:57,727 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:34:57,727 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 128 states, 128 states have (on average 2.484375) internal successors, (318), 127 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 20:34:57,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:34:57,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:34:57,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:34:57,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:34:57,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:34:57,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:34:57,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:34:57,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:34:57,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:34:57,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:34:57,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:34:57,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:34:57,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:34:57,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-09 20:34:57,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:34:58,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:34:58,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:34:58,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:34:58,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:34:58,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:34:58,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:34:58,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:34:58,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:34:58,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:34:58,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:34:58,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:34:58,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:34:58,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:34:58,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-09 20:34:58,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-09 20:34:59,049 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:34:59,057 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:34:59,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:34:59,057 INFO L82 PathProgramCache]: Analyzing trace with hash -105410652, now seen corresponding path program 16 times [2021-07-09 20:34:59,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:34:59,057 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907687514] [2021-07-09 20:34:59,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:34:59,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:34:59,794 INFO L134 CoverageAnalysis]: Checked inductivity of 2457 backedges. 1890 proven. 506 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-07-09 20:34:59,795 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:34:59,795 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907687514] [2021-07-09 20:34:59,795 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907687514] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:34:59,795 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149132978] [2021-07-09 20:34:59,795 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:34:59,868 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 20:34:59,868 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 20:34:59,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 47 conjunts are in the unsatisfiable core [2021-07-09 20:34:59,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:35:01,553 INFO L134 CoverageAnalysis]: Checked inductivity of 2457 backedges. 1555 proven. 493 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2021-07-09 20:35:01,553 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149132978] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:35:01,553 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:35:01,553 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47] total 93 [2021-07-09 20:35:01,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105886855] [2021-07-09 20:35:01,554 INFO L462 AbstractCegarLoop]: Interpolant automaton has 94 states [2021-07-09 20:35:01,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:35:01,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2021-07-09 20:35:01,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1197, Invalid=7545, Unknown=0, NotChecked=0, Total=8742 [2021-07-09 20:35:01,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:35:01,556 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:35:01,556 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 94 states, 94 states have (on average 2.904255319148936) internal successors, (273), 93 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 20:35:01,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:35:01,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:35:01,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:35:01,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:35:01,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:35:01,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:35:01,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:35:01,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:35:01,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:35:01,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:35:01,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:35:01,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:35:01,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:35:01,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-09 20:35:01,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-09 20:35:01,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:35:03,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:35:03,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:35:03,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:35:03,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:35:03,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:35:03,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:35:03,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:35:03,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:35:03,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:35:03,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:35:03,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:35:03,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:35:03,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:35:03,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-09 20:35:03,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-09 20:35:03,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-07-09 20:35:03,411 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:35:03,411 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:35:03,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:35:03,412 INFO L82 PathProgramCache]: Analyzing trace with hash -821978648, now seen corresponding path program 17 times [2021-07-09 20:35:03,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:35:03,412 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900653695] [2021-07-09 20:35:03,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:35:03,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:35:04,214 INFO L134 CoverageAnalysis]: Checked inductivity of 2549 backedges. 484 proven. 2004 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-07-09 20:35:04,214 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:35:04,214 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900653695] [2021-07-09 20:35:04,214 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900653695] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:35:04,214 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1061350324] [2021-07-09 20:35:04,214 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:35:06,962 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 40 check-sat command(s) [2021-07-09 20:35:06,962 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 20:35:06,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 51 conjunts are in the unsatisfiable core [2021-07-09 20:35:06,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:35:08,832 INFO L134 CoverageAnalysis]: Checked inductivity of 2549 backedges. 1637 proven. 586 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2021-07-09 20:35:08,833 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1061350324] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:35:08,833 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:35:08,833 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 51] total 99 [2021-07-09 20:35:08,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269523098] [2021-07-09 20:35:08,833 INFO L462 AbstractCegarLoop]: Interpolant automaton has 100 states [2021-07-09 20:35:08,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:35:08,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2021-07-09 20:35:08,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1326, Invalid=8574, Unknown=0, NotChecked=0, Total=9900 [2021-07-09 20:35:08,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:35:08,836 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:35:08,836 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 100 states, 100 states have (on average 2.9) internal successors, (290), 99 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 20:35:08,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:35:08,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:35:08,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:35:08,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:35:08,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:35:08,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:35:08,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:35:08,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:35:08,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:35:08,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:35:08,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:35:08,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:35:08,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:35:08,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-09 20:35:08,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-09 20:35:08,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-07-09 20:35:08,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:35:12,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:35:12,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:35:12,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:35:12,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:35:12,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:35:12,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:35:12,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:35:12,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:35:12,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:35:12,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:35:12,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:35:12,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:35:12,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:35:12,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-09 20:35:12,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-09 20:35:12,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-07-09 20:35:12,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2021-07-09 20:35:12,397 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable95 [2021-07-09 20:35:12,397 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:35:12,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:35:12,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1652724002, now seen corresponding path program 18 times [2021-07-09 20:35:12,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:35:12,398 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136661646] [2021-07-09 20:35:12,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:35:12,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:35:16,151 INFO L134 CoverageAnalysis]: Checked inductivity of 4280 backedges. 3214 proven. 1066 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:35:16,151 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:35:16,151 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136661646] [2021-07-09 20:35:16,151 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136661646] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:35:16,151 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1712290246] [2021-07-09 20:35:16,151 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:35:17,388 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 53 check-sat command(s) [2021-07-09 20:35:17,389 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 20:35:17,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 60 conjunts are in the unsatisfiable core [2021-07-09 20:35:17,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:35:21,221 INFO L134 CoverageAnalysis]: Checked inductivity of 4280 backedges. 3500 proven. 705 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-07-09 20:35:21,221 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1712290246] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:35:21,221 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:35:21,221 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [110, 58] total 167 [2021-07-09 20:35:21,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829097971] [2021-07-09 20:35:21,222 INFO L462 AbstractCegarLoop]: Interpolant automaton has 168 states [2021-07-09 20:35:21,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:35:21,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 168 interpolants. [2021-07-09 20:35:21,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4335, Invalid=23721, Unknown=0, NotChecked=0, Total=28056 [2021-07-09 20:35:21,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:35:21,224 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:35:21,224 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 168 states, 168 states have (on average 2.4523809523809526) internal successors, (412), 167 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 20:35:21,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:35:21,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:35:21,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:35:21,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:35:21,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:35:21,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:35:21,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:35:21,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:35:21,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:35:21,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:35:21,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:35:21,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:35:21,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:35:21,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-09 20:35:21,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-09 20:35:21,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-07-09 20:35:21,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2021-07-09 20:35:21,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:35:22,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:35:22,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:35:22,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:35:22,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:35:22,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:35:22,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:35:22,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:35:22,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:35:22,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:35:22,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:35:22,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:35:22,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:35:22,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:35:22,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-09 20:35:22,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-09 20:35:22,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-07-09 20:35:22,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2021-07-09 20:35:22,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-09 20:35:23,116 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:35:23,117 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:35:23,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:35:23,117 INFO L82 PathProgramCache]: Analyzing trace with hash -244710810, now seen corresponding path program 19 times [2021-07-09 20:35:23,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:35:23,117 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937333413] [2021-07-09 20:35:23,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:35:23,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:35:26,944 INFO L134 CoverageAnalysis]: Checked inductivity of 4388 backedges. 3214 proven. 1174 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:35:26,944 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:35:26,944 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937333413] [2021-07-09 20:35:26,944 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937333413] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:35:26,944 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522073464] [2021-07-09 20:35:26,944 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 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:35:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:35:27,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 59 conjunts are in the unsatisfiable core [2021-07-09 20:35:27,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:35:30,725 INFO L134 CoverageAnalysis]: Checked inductivity of 4388 backedges. 2751 proven. 796 refuted. 0 times theorem prover too weak. 841 trivial. 0 not checked. [2021-07-09 20:35:30,725 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1522073464] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:35:30,725 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:35:30,725 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [112, 59] total 170 [2021-07-09 20:35:30,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990391529] [2021-07-09 20:35:30,726 INFO L462 AbstractCegarLoop]: Interpolant automaton has 171 states [2021-07-09 20:35:30,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:35:30,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 171 interpolants. [2021-07-09 20:35:30,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4451, Invalid=24619, Unknown=0, NotChecked=0, Total=29070 [2021-07-09 20:35:30,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:35:30,728 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:35:30,728 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 171 states, 171 states have (on average 2.3333333333333335) internal successors, (399), 170 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 20:35:30,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:35:30,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:35:30,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:35:30,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:35:30,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:35:30,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:35:30,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:35:30,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:35:30,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:35:30,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:35:30,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:35:30,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:35:30,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:35:30,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-09 20:35:30,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-09 20:35:30,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-07-09 20:35:30,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2021-07-09 20:35:30,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-09 20:35:30,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:35:32,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:35:32,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:35:32,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:35:32,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:35:32,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:35:32,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:35:32,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:35:32,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:35:32,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:35:32,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:35:32,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:35:32,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:35:32,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:35:32,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-09 20:35:32,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-09 20:35:32,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-07-09 20:35:32,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2021-07-09 20:35:32,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-09 20:35:32,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-09 20:35:32,825 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable97 [2021-07-09 20:35:32,826 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:35:32,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:35:32,826 INFO L82 PathProgramCache]: Analyzing trace with hash -252759638, now seen corresponding path program 20 times [2021-07-09 20:35:32,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:35:32,826 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833589371] [2021-07-09 20:35:32,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:35:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:35:34,901 INFO L134 CoverageAnalysis]: Checked inductivity of 4504 backedges. 3545 proven. 923 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-07-09 20:35:34,901 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:35:34,901 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833589371] [2021-07-09 20:35:34,901 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833589371] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:35:34,901 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [420023573] [2021-07-09 20:35:34,901 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 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:35:35,001 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 20:35:35,001 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 20:35:35,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 63 conjunts are in the unsatisfiable core [2021-07-09 20:35:35,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:35:35,328 INFO L134 CoverageAnalysis]: Checked inductivity of 4504 backedges. 2873 proven. 913 refuted. 0 times theorem prover too weak. 718 trivial. 0 not checked. [2021-07-09 20:35:35,328 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [420023573] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:35:35,328 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:35:35,329 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [84, 63] total 85 [2021-07-09 20:35:35,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313825700] [2021-07-09 20:35:35,329 INFO L462 AbstractCegarLoop]: Interpolant automaton has 86 states [2021-07-09 20:35:35,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:35:35,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2021-07-09 20:35:35,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1991, Invalid=5319, Unknown=0, NotChecked=0, Total=7310 [2021-07-09 20:35:35,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:35:35,330 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:35:35,331 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 86 states, 86 states have (on average 2.895348837209302) internal successors, (249), 85 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 20:35:35,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:35:35,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:35:35,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:35:35,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:35:35,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:35:35,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:35:35,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:35:35,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:35:35,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:35:35,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:35:35,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:35:35,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:35:35,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:35:35,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-09 20:35:35,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-09 20:35:35,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-07-09 20:35:35,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2021-07-09 20:35:35,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-09 20:35:35,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-09 20:35:35,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:35:36,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:35:36,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:35:36,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:35:36,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:35:36,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:35:36,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:35:36,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:35:36,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:35:36,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:35:36,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:35:36,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:35:36,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:35:36,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:35:36,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-09 20:35:36,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-09 20:35:36,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-07-09 20:35:36,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2021-07-09 20:35:36,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-09 20:35:36,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-09 20:35:36,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-09 20:35:36,265 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable98 [2021-07-09 20:35:36,265 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:35:36,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:35:36,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1073946350, now seen corresponding path program 21 times [2021-07-09 20:35:36,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:35:36,265 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99997925] [2021-07-09 20:35:36,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:35:36,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:35:37,527 INFO L134 CoverageAnalysis]: Checked inductivity of 4628 backedges. 900 proven. 3653 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-07-09 20:35:37,528 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:35:37,528 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99997925] [2021-07-09 20:35:37,528 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99997925] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:35:37,528 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1047389466] [2021-07-09 20:35:37,528 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 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:35:39,635 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 54 check-sat command(s) [2021-07-09 20:35:39,635 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 20:35:39,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 93 conjunts are in the unsatisfiable core [2021-07-09 20:35:39,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:35:44,038 INFO L134 CoverageAnalysis]: Checked inductivity of 4628 backedges. 3545 proven. 1047 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-07-09 20:35:44,038 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1047389466] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:35:44,038 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:35:44,038 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 86] total 149 [2021-07-09 20:35:44,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646806261] [2021-07-09 20:35:44,039 INFO L462 AbstractCegarLoop]: Interpolant automaton has 150 states [2021-07-09 20:35:44,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:35:44,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 150 interpolants. [2021-07-09 20:35:44,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3081, Invalid=19269, Unknown=0, NotChecked=0, Total=22350 [2021-07-09 20:35:44,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:35:44,041 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:35:44,041 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 150 states, 150 states have (on average 2.86) internal successors, (429), 149 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 20:35:44,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:35:44,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:35:44,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:35:44,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:35:44,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:35:44,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:35:44,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:35:44,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:35:44,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:35:44,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:35:44,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:35:44,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:35:44,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:35:44,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-09 20:35:44,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-09 20:35:44,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-07-09 20:35:44,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2021-07-09 20:35:44,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-09 20:35:44,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-09 20:35:44,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-09 20:35:44,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:35:49,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:35:49,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:35:49,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:35:49,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:35:49,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:35:49,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:35:49,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:35:49,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:35:49,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:35:49,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:35:49,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:35:49,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:35:49,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:35:49,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-09 20:35:49,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-09 20:35:49,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-07-09 20:35:49,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2021-07-09 20:35:49,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-09 20:35:49,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-09 20:35:49,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-09 20:35:49,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2021-07-09 20:35:49,522 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:35:49,522 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:35:49,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:35:49,522 INFO L82 PathProgramCache]: Analyzing trace with hash -1846399064, now seen corresponding path program 22 times [2021-07-09 20:35:49,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:35:49,523 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361333258] [2021-07-09 20:35:49,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:35:49,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:35:55,389 INFO L134 CoverageAnalysis]: Checked inductivity of 6881 backedges. 5248 proven. 1633 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:35:55,389 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:35:55,389 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361333258] [2021-07-09 20:35:55,389 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361333258] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:35:55,390 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1771293802] [2021-07-09 20:35:55,390 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 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:35:55,492 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 20:35:55,492 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 20:35:55,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 71 conjunts are in the unsatisfiable core [2021-07-09 20:35:55,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:36:00,869 INFO L134 CoverageAnalysis]: Checked inductivity of 6881 backedges. 4277 proven. 1171 refuted. 0 times theorem prover too weak. 1433 trivial. 0 not checked. [2021-07-09 20:36:00,869 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1771293802] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:36:00,869 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:36:00,869 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [139, 71] total 209 [2021-07-09 20:36:00,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91285002] [2021-07-09 20:36:00,870 INFO L462 AbstractCegarLoop]: Interpolant automaton has 210 states [2021-07-09 20:36:00,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:36:00,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 210 interpolants. [2021-07-09 20:36:00,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6908, Invalid=36982, Unknown=0, NotChecked=0, Total=43890 [2021-07-09 20:36:00,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:36:00,873 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:36:00,874 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 210 states, 210 states have (on average 2.3) internal successors, (483), 209 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 20:36:00,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:36:00,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:36:00,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:36:00,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:36:00,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:36:00,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:36:00,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:36:00,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:36:00,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:36:00,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:36:00,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:36:00,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:36:00,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:36:00,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-09 20:36:00,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-09 20:36:00,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-07-09 20:36:00,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2021-07-09 20:36:00,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-09 20:36:00,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-09 20:36:00,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-09 20:36:00,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2021-07-09 20:36:00,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:36:03,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:36:03,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:36:03,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:36:03,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:36:03,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:36:03,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:36:03,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:36:03,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:36:03,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:36:03,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:36:03,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:36:03,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:36:03,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:36:03,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-09 20:36:03,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-09 20:36:03,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-07-09 20:36:03,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2021-07-09 20:36:03,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-09 20:36:03,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-09 20:36:03,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-09 20:36:03,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2021-07-09 20:36:03,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-09 20:36:03,613 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable100 [2021-07-09 20:36:03,613 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:36:03,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:36:03,613 INFO L82 PathProgramCache]: Analyzing trace with hash 298107884, now seen corresponding path program 23 times [2021-07-09 20:36:03,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:36:03,613 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347826262] [2021-07-09 20:36:03,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:36:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:36:05,443 INFO L134 CoverageAnalysis]: Checked inductivity of 7021 backedges. 5600 proven. 1332 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2021-07-09 20:36:05,444 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:36:05,444 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347826262] [2021-07-09 20:36:05,444 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347826262] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:36:05,444 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [807503271] [2021-07-09 20:36:05,444 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 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:36:11,274 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 68 check-sat command(s) [2021-07-09 20:36:11,274 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 20:36:11,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 727 conjuncts, 106 conjunts are in the unsatisfiable core [2021-07-09 20:36:11,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:36:13,488 INFO L134 CoverageAnalysis]: Checked inductivity of 7021 backedges. 5126 proven. 539 refuted. 0 times theorem prover too weak. 1356 trivial. 0 not checked. [2021-07-09 20:36:13,489 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [807503271] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:36:13,489 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:36:13,489 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75, 44] total 118 [2021-07-09 20:36:13,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804520607] [2021-07-09 20:36:13,489 INFO L462 AbstractCegarLoop]: Interpolant automaton has 119 states [2021-07-09 20:36:13,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:36:13,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2021-07-09 20:36:13,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2218, Invalid=11824, Unknown=0, NotChecked=0, Total=14042 [2021-07-09 20:36:13,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:36:13,491 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:36:13,491 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 119 states, 119 states have (on average 3.319327731092437) internal successors, (395), 118 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 20:36:13,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:36:13,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:36:13,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:36:13,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:36:13,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:36:13,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:36:13,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:36:13,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:36:13,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:36:13,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:36:13,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:36:13,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:36:13,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:36:13,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-09 20:36:13,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-09 20:36:13,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-07-09 20:36:13,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2021-07-09 20:36:13,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-09 20:36:13,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-09 20:36:13,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-09 20:36:13,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2021-07-09 20:36:13,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-07-09 20:36:13,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:36:18,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:36:18,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:36:18,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:36:18,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:36:18,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:36:18,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:36:18,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:36:18,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:36:18,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:36:18,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:36:18,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:36:18,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:36:18,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:36:18,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-09 20:36:18,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-09 20:36:18,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-07-09 20:36:18,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2021-07-09 20:36:18,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-09 20:36:18,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-09 20:36:18,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-09 20:36:18,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2021-07-09 20:36:18,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-09 20:36:18,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2021-07-09 20:36:18,717 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:36:18,718 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:36:18,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:36:18,718 INFO L82 PathProgramCache]: Analyzing trace with hash 664778928, now seen corresponding path program 24 times [2021-07-09 20:36:18,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:36:18,718 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452409055] [2021-07-09 20:36:18,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:36:18,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:36:30,565 INFO L134 CoverageAnalysis]: Checked inductivity of 15477 backedges. 11541 proven. 3936 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:36:30,565 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:36:30,565 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452409055] [2021-07-09 20:36:30,565 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452409055] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:36:30,565 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2127785789] [2021-07-09 20:36:30,565 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 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:37:29,530 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2021-07-09 20:37:29,530 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 20:37:29,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 1000 conjuncts, 156 conjunts are in the unsatisfiable core [2021-07-09 20:37:29,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:37:42,384 INFO L134 CoverageAnalysis]: Checked inductivity of 15477 backedges. 12610 proven. 1511 refuted. 0 times theorem prover too weak. 1356 trivial. 0 not checked. [2021-07-09 20:37:42,384 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2127785789] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:37:42,384 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:37:42,385 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [205, 110] total 314 [2021-07-09 20:37:42,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407381553] [2021-07-09 20:37:42,385 INFO L462 AbstractCegarLoop]: Interpolant automaton has 315 states [2021-07-09 20:37:42,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:37:42,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 315 interpolants. [2021-07-09 20:37:42,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13246, Invalid=85664, Unknown=0, NotChecked=0, Total=98910 [2021-07-09 20:37:42,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:37:42,391 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:37:42,391 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 315 states, 315 states have (on average 2.2793650793650793) internal successors, (718), 314 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 20:37:42,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:37:42,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:37:42,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:37:42,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:37:42,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:37:42,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:37:42,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:37:42,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:37:42,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:37:42,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:37:42,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:37:42,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:37:42,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:37:42,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-09 20:37:42,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-09 20:37:42,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-07-09 20:37:42,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2021-07-09 20:37:42,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-09 20:37:42,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-09 20:37:42,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-09 20:37:42,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2021-07-09 20:37:42,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-07-09 20:37:42,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 186 states. [2021-07-09 20:37:42,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:37:45,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:37:45,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:37:45,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:37:45,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:37:45,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:37:45,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:37:45,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:37:45,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:37:45,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:37:45,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:37:45,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:37:45,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:37:45,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:37:45,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-09 20:37:45,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-09 20:37:45,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-07-09 20:37:45,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2021-07-09 20:37:45,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-09 20:37:45,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-09 20:37:45,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-09 20:37:45,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2021-07-09 20:37:45,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-09 20:37:45,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2021-07-09 20:37:45,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-09 20:37:45,827 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable102 [2021-07-09 20:37:45,827 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:37:45,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:37:45,828 INFO L82 PathProgramCache]: Analyzing trace with hash 1465797364, now seen corresponding path program 25 times [2021-07-09 20:37:45,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:37:45,828 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527292788] [2021-07-09 20:37:45,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:37:45,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:37:57,811 INFO L134 CoverageAnalysis]: Checked inductivity of 15633 backedges. 11541 proven. 4092 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:37:57,812 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:37:57,812 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527292788] [2021-07-09 20:37:57,812 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527292788] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:37:57,812 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [937114115] [2021-07-09 20:37:57,812 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 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:37:57,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:37:57,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 1026 conjuncts, 83 conjunts are in the unsatisfiable core [2021-07-09 20:37:57,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:38:06,699 INFO L134 CoverageAnalysis]: Checked inductivity of 15633 backedges. 6678 proven. 1603 refuted. 0 times theorem prover too weak. 7352 trivial. 0 not checked. [2021-07-09 20:38:06,700 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [937114115] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:38:06,700 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:38:06,700 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [207, 83] total 289 [2021-07-09 20:38:06,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582318351] [2021-07-09 20:38:06,701 INFO L462 AbstractCegarLoop]: Interpolant automaton has 290 states [2021-07-09 20:38:06,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:38:06,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 290 interpolants. [2021-07-09 20:38:06,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11872, Invalid=71938, Unknown=0, NotChecked=0, Total=83810 [2021-07-09 20:38:06,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:38:06,704 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:38:06,705 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 290 states, 290 states have (on average 2.1310344827586207) internal successors, (618), 289 states have internal predecessors, (618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 20:38:06,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:38:06,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:38:06,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:38:06,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:38:06,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:38:06,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:38:06,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:38:06,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:38:06,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:38:06,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:38:06,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:38:06,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:38:06,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:38:06,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-09 20:38:06,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-09 20:38:06,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-07-09 20:38:06,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2021-07-09 20:38:06,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-09 20:38:06,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-09 20:38:06,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-09 20:38:06,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2021-07-09 20:38:06,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-07-09 20:38:06,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 186 states. [2021-07-09 20:38:06,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-07-09 20:38:06,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:38:10,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:38:10,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:38:10,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:38:10,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:38:10,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:38:10,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:38:10,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:38:10,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:38:10,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:38:10,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:38:10,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:38:10,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:38:10,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:38:10,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-09 20:38:10,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-09 20:38:10,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-07-09 20:38:10,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2021-07-09 20:38:10,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-09 20:38:10,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-09 20:38:10,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-09 20:38:10,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2021-07-09 20:38:10,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-09 20:38:10,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2021-07-09 20:38:10,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-09 20:38:10,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-07-09 20:38:10,389 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable103 [2021-07-09 20:38:10,389 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:38:10,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:38:10,389 INFO L82 PathProgramCache]: Analyzing trace with hash -2059265224, now seen corresponding path program 26 times [2021-07-09 20:38:10,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:38:10,390 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422103154] [2021-07-09 20:38:10,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:38:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:38:22,623 INFO L134 CoverageAnalysis]: Checked inductivity of 15797 backedges. 11541 proven. 4256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:38:22,624 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:38:22,624 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422103154] [2021-07-09 20:38:22,624 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422103154] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:38:22,624 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984417311] [2021-07-09 20:38:22,624 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 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:38:22,768 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 20:38:22,768 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 20:38:22,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 1036 conjuncts, 87 conjunts are in the unsatisfiable core [2021-07-09 20:38:22,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:38:32,062 INFO L134 CoverageAnalysis]: Checked inductivity of 15797 backedges. 7027 proven. 1768 refuted. 0 times theorem prover too weak. 7002 trivial. 0 not checked. [2021-07-09 20:38:32,063 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [984417311] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:38:32,063 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:38:32,063 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [209, 87] total 295 [2021-07-09 20:38:32,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174750151] [2021-07-09 20:38:32,064 INFO L462 AbstractCegarLoop]: Interpolant automaton has 296 states [2021-07-09 20:38:32,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:38:32,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 296 interpolants. [2021-07-09 20:38:32,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12135, Invalid=75185, Unknown=0, NotChecked=0, Total=87320 [2021-07-09 20:38:32,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:38:32,068 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:38:32,069 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 296 states, 296 states have (on average 2.135135135135135) internal successors, (632), 295 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 20:38:32,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:38:32,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:38:32,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:38:32,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:38:32,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:38:32,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:38:32,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:38:32,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:38:32,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:38:32,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:38:32,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:38:32,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:38:32,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:38:32,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-09 20:38:32,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-09 20:38:32,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-07-09 20:38:32,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2021-07-09 20:38:32,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-09 20:38:32,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-09 20:38:32,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-09 20:38:32,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2021-07-09 20:38:32,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-07-09 20:38:32,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 186 states. [2021-07-09 20:38:32,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-07-09 20:38:32,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-07-09 20:38:32,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:38:35,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:38:35,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:38:35,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:38:35,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:38:35,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:38:35,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:38:35,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:38:35,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:38:35,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:38:35,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:38:35,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:38:35,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:38:35,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:38:35,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-09 20:38:35,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-09 20:38:35,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-07-09 20:38:35,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2021-07-09 20:38:35,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-09 20:38:35,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-09 20:38:35,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-09 20:38:35,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2021-07-09 20:38:35,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-09 20:38:35,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2021-07-09 20:38:35,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-09 20:38:35,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-07-09 20:38:35,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-07-09 20:38:36,086 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable104 [2021-07-09 20:38:36,086 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:38:36,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:38:36,086 INFO L82 PathProgramCache]: Analyzing trace with hash -2139346564, now seen corresponding path program 27 times [2021-07-09 20:38:36,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:38:36,086 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318774903] [2021-07-09 20:38:36,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:38:36,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:38:48,626 INFO L134 CoverageAnalysis]: Checked inductivity of 15969 backedges. 11541 proven. 4428 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:38:48,626 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:38:48,626 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318774903] [2021-07-09 20:38:48,626 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318774903] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:38:48,626 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585365456] [2021-07-09 20:38:48,626 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 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:39:37,617 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 98 check-sat command(s) [2021-07-09 20:39:37,617 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 20:39:37,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 1046 conjuncts, 143 conjunts are in the unsatisfiable core [2021-07-09 20:39:37,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:39:55,291 INFO L134 CoverageAnalysis]: Checked inductivity of 15969 backedges. 12670 proven. 1967 refuted. 0 times theorem prover too weak. 1332 trivial. 0 not checked. [2021-07-09 20:39:55,291 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [585365456] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:39:55,291 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:39:55,291 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [211, 143] total 353 [2021-07-09 20:39:55,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647908374] [2021-07-09 20:39:55,292 INFO L462 AbstractCegarLoop]: Interpolant automaton has 354 states [2021-07-09 20:39:55,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:39:55,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 354 interpolants. [2021-07-09 20:39:55,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16180, Invalid=108782, Unknown=0, NotChecked=0, Total=124962 [2021-07-09 20:39:55,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:39:55,298 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:39:55,298 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 354 states, 354 states have (on average 2.26271186440678) internal successors, (801), 353 states have internal predecessors, (801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 20:39:55,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:39:55,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:39:55,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:39:55,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:39:55,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:39:55,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:39:55,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:39:55,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:39:55,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:39:55,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:39:55,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:39:55,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:39:55,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:39:55,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-09 20:39:55,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-09 20:39:55,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-07-09 20:39:55,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2021-07-09 20:39:55,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-09 20:39:55,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-09 20:39:55,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-09 20:39:55,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2021-07-09 20:39:55,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-07-09 20:39:55,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 186 states. [2021-07-09 20:39:55,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-07-09 20:39:55,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-07-09 20:39:55,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-07-09 20:39:55,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:39:59,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:39:59,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:39:59,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:39:59,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:39:59,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:39:59,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:39:59,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:39:59,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:39:59,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:39:59,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:39:59,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:39:59,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:39:59,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:39:59,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-09 20:39:59,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-09 20:39:59,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-07-09 20:39:59,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2021-07-09 20:39:59,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-09 20:39:59,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-09 20:39:59,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-09 20:39:59,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2021-07-09 20:39:59,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-09 20:39:59,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2021-07-09 20:39:59,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-09 20:39:59,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-07-09 20:39:59,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-07-09 20:39:59,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2021-07-09 20:39:59,659 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:39:59,659 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:39:59,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:39:59,660 INFO L82 PathProgramCache]: Analyzing trace with hash 398292416, now seen corresponding path program 28 times [2021-07-09 20:39:59,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:39:59,660 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780529000] [2021-07-09 20:39:59,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:39:59,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:40:12,421 INFO L134 CoverageAnalysis]: Checked inductivity of 16149 backedges. 11541 proven. 4608 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:40:12,421 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:40:12,421 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780529000] [2021-07-09 20:40:12,421 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780529000] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:40:12,421 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1106217993] [2021-07-09 20:40:12,421 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 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:40:12,570 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 20:40:12,570 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 20:40:12,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 1056 conjuncts, 95 conjunts are in the unsatisfiable core [2021-07-09 20:40:12,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:40:23,195 INFO L134 CoverageAnalysis]: Checked inductivity of 16149 backedges. 7695 proven. 2122 refuted. 0 times theorem prover too weak. 6332 trivial. 0 not checked. [2021-07-09 20:40:23,196 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1106217993] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:40:23,196 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:40:23,196 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [213, 95] total 307 [2021-07-09 20:40:23,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195014429] [2021-07-09 20:40:23,197 INFO L462 AbstractCegarLoop]: Interpolant automaton has 308 states [2021-07-09 20:40:23,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:40:23,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 308 interpolants. [2021-07-09 20:40:23,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12697, Invalid=81859, Unknown=0, NotChecked=0, Total=94556 [2021-07-09 20:40:23,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:40:23,201 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:40:23,202 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 308 states, 308 states have (on average 2.142857142857143) internal successors, (660), 307 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 20:40:23,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:40:23,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:40:23,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:40:23,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:40:23,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:40:23,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:40:23,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:40:23,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:40:23,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:40:23,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:40:23,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:40:23,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:40:23,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:40:23,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-09 20:40:23,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-09 20:40:23,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-07-09 20:40:23,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2021-07-09 20:40:23,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-09 20:40:23,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-09 20:40:23,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-09 20:40:23,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2021-07-09 20:40:23,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-07-09 20:40:23,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 186 states. [2021-07-09 20:40:23,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-07-09 20:40:23,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-07-09 20:40:23,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-07-09 20:40:23,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2021-07-09 20:40:23,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:40:27,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:40:27,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:40:27,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:40:27,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:40:27,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:40:27,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:40:27,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:40:27,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:40:27,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:40:27,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:40:27,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:40:27,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:40:27,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:40:27,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-09 20:40:27,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-09 20:40:27,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-07-09 20:40:27,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2021-07-09 20:40:27,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-09 20:40:27,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-09 20:40:27,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-09 20:40:27,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2021-07-09 20:40:27,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-09 20:40:27,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2021-07-09 20:40:27,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-09 20:40:27,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-07-09 20:40:27,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-07-09 20:40:27,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2021-07-09 20:40:27,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-07-09 20:40:27,916 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable106 [2021-07-09 20:40:27,917 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:40:27,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:40:27,917 INFO L82 PathProgramCache]: Analyzing trace with hash 1496776708, now seen corresponding path program 29 times [2021-07-09 20:40:27,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:40:27,917 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087303653] [2021-07-09 20:40:27,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:40:28,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:40:40,777 INFO L134 CoverageAnalysis]: Checked inductivity of 16337 backedges. 11541 proven. 4796 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:40:40,778 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:40:40,778 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087303653] [2021-07-09 20:40:40,778 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087303653] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:40:40,778 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463622610] [2021-07-09 20:40:40,778 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 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:41:26,644 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 98 check-sat command(s) [2021-07-09 20:41:26,644 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 20:41:26,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 1066 conjuncts, 147 conjunts are in the unsatisfiable core [2021-07-09 20:41:26,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:41:45,313 INFO L134 CoverageAnalysis]: Checked inductivity of 16337 backedges. 12670 proven. 2335 refuted. 0 times theorem prover too weak. 1332 trivial. 0 not checked. [2021-07-09 20:41:45,314 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1463622610] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:41:45,314 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:41:45,314 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [215, 147] total 361 [2021-07-09 20:41:45,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871282380] [2021-07-09 20:41:45,315 INFO L462 AbstractCegarLoop]: Interpolant automaton has 362 states [2021-07-09 20:41:45,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:41:45,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 362 interpolants. [2021-07-09 20:41:45,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16572, Invalid=114110, Unknown=0, NotChecked=0, Total=130682 [2021-07-09 20:41:45,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:41:45,321 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:41:45,321 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 362 states, 362 states have (on average 2.2569060773480665) internal successors, (817), 361 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 20:41:45,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:41:45,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:41:45,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:41:45,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:41:45,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:41:45,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:41:45,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:41:45,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:41:45,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:41:45,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:41:45,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:41:45,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:41:45,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:41:45,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-09 20:41:45,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-09 20:41:45,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-07-09 20:41:45,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2021-07-09 20:41:45,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-09 20:41:45,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-09 20:41:45,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-09 20:41:45,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2021-07-09 20:41:45,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-07-09 20:41:45,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 186 states. [2021-07-09 20:41:45,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-07-09 20:41:45,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-07-09 20:41:45,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-07-09 20:41:45,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2021-07-09 20:41:45,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-07-09 20:41:45,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:41:50,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 20:41:50,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 20:41:50,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:41:50,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 20:41:50,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:41:50,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-09 20:41:50,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 20:41:50,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:41:50,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-09 20:41:50,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 20:41:50,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-09 20:41:50,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 20:41:50,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 20:41:50,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-09 20:41:50,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-09 20:41:50,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-07-09 20:41:50,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2021-07-09 20:41:50,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-09 20:41:50,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-09 20:41:50,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-09 20:41:50,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2021-07-09 20:41:50,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-09 20:41:50,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2021-07-09 20:41:50,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-09 20:41:50,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-07-09 20:41:50,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-07-09 20:41:50,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2021-07-09 20:41:50,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-07-09 20:41:50,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-07-09 20:41:50,408 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:41:50,408 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:41:50,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:41:50,408 INFO L82 PathProgramCache]: Analyzing trace with hash -761673656, now seen corresponding path program 30 times [2021-07-09 20:41:50,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:41:50,409 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221538720] [2021-07-09 20:41:50,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:41:50,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:42:03,507 INFO L134 CoverageAnalysis]: Checked inductivity of 16533 backedges. 11541 proven. 4992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 20:42:03,507 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:42:03,507 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221538720] [2021-07-09 20:42:03,507 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221538720] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:42:03,507 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251681754] [2021-07-09 20:42:03,507 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 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:43:33,213 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2021-07-09 20:43:33,214 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 20:43:33,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 1045 conjuncts, 169 conjunts are in the unsatisfiable core [2021-07-09 20:43:33,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:43:34,507 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-07-09 20:43:34,894 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-07-09 20:43:40,726 WARN L205 SmtUtils]: Spent 3.55 s on a formula simplification that was a NOOP. DAG size: 161 [2021-07-09 20:43:45,410 WARN L205 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 781 [2021-07-09 20:43:45,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:45,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:45,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:45,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:45,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:45,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:45,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:45,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:45,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:45,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:45,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:45,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:45,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:45,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:45,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:45,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:46,252 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2021-07-09 20:43:46,253 INFO L354 Elim1Store]: treesize reduction 104, result has 60.2 percent of original size [2021-07-09 20:43:46,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 71 treesize of output 184 [2021-07-09 20:43:46,283 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 20:43:46,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:46,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:46,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:46,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:46,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:46,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:46,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:46,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:46,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:46,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:46,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:46,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:46,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:46,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:46,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:46,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:46,671 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2021-07-09 20:43:46,671 INFO L354 Elim1Store]: treesize reduction 104, result has 60.2 percent of original size [2021-07-09 20:43:46,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 65 treesize of output 184 [2021-07-09 20:43:46,733 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-09 20:43:46,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:46,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:46,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:46,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:46,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:46,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:46,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:46,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:46,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:46,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:46,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:46,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:46,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:46,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:46,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:46,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:47,180 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2021-07-09 20:43:47,180 INFO L354 Elim1Store]: treesize reduction 104, result has 60.2 percent of original size [2021-07-09 20:43:47,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 73 treesize of output 184 [2021-07-09 20:43:47,210 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-07-09 20:43:47,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:47,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:47,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:47,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:47,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:47,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:47,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:47,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:47,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:47,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:47,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:47,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:47,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:47,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:47,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:47,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:47,676 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2021-07-09 20:43:47,677 INFO L354 Elim1Store]: treesize reduction 104, result has 60.2 percent of original size [2021-07-09 20:43:47,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 73 treesize of output 184 [2021-07-09 20:43:47,773 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-07-09 20:43:47,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:47,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:47,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:47,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:47,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:47,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:47,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:47,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:47,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:47,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:47,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:47,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:47,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:47,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:47,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:47,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:47,927 INFO L244 Elim1Store]: Index analysis took 108 ms [2021-07-09 20:43:48,255 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2021-07-09 20:43:48,255 INFO L354 Elim1Store]: treesize reduction 104, result has 60.2 percent of original size [2021-07-09 20:43:48,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 67 treesize of output 184 [2021-07-09 20:43:48,303 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-09 20:43:48,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:48,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:48,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:48,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:48,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:48,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:48,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:48,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:48,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:48,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:48,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:48,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:48,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:48,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:48,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:48,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:48,485 INFO L244 Elim1Store]: Index analysis took 132 ms [2021-07-09 20:43:48,828 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2021-07-09 20:43:48,829 INFO L354 Elim1Store]: treesize reduction 104, result has 60.2 percent of original size [2021-07-09 20:43:48,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 71 treesize of output 184 [2021-07-09 20:43:48,853 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-09 20:43:48,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:48,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:48,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:48,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:48,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:48,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:48,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:48,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:48,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:48,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:48,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:48,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:48,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:48,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:48,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:48,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:49,035 INFO L244 Elim1Store]: Index analysis took 122 ms [2021-07-09 20:43:49,426 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2021-07-09 20:43:49,427 INFO L354 Elim1Store]: treesize reduction 104, result has 60.2 percent of original size [2021-07-09 20:43:49,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 67 treesize of output 184 [2021-07-09 20:43:49,474 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2021-07-09 20:43:49,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:49,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:49,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:49,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:49,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:49,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:49,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:49,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:49,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:49,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:49,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:49,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:49,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:49,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:49,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:49,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:49,663 INFO L244 Elim1Store]: Index analysis took 142 ms [2021-07-09 20:43:50,028 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2021-07-09 20:43:50,029 INFO L354 Elim1Store]: treesize reduction 104, result has 60.2 percent of original size [2021-07-09 20:43:50,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 71 treesize of output 184 [2021-07-09 20:43:50,067 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2021-07-09 20:43:50,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:50,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:50,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:50,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:50,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:50,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:50,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:50,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:50,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:50,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:50,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:50,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:50,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:50,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:50,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:50,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:50,261 INFO L244 Elim1Store]: Index analysis took 136 ms [2021-07-09 20:43:50,672 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2021-07-09 20:43:50,673 INFO L354 Elim1Store]: treesize reduction 104, result has 60.2 percent of original size [2021-07-09 20:43:50,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 71 treesize of output 184 [2021-07-09 20:43:50,721 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-09 20:43:50,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:50,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:50,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:50,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:50,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:50,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:50,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:50,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:50,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:50,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:50,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:50,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:50,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:50,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:50,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:50,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:50,964 INFO L244 Elim1Store]: Index analysis took 191 ms [2021-07-09 20:43:51,364 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2021-07-09 20:43:51,364 INFO L354 Elim1Store]: treesize reduction 104, result has 60.2 percent of original size [2021-07-09 20:43:51,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 63 treesize of output 184 [2021-07-09 20:43:51,378 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-09 20:43:51,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:51,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:51,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:51,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:51,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:51,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:51,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:51,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:51,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:51,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:51,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:51,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:51,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:51,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:51,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:51,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:51,609 INFO L244 Elim1Store]: Index analysis took 166 ms [2021-07-09 20:43:52,026 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2021-07-09 20:43:52,027 INFO L354 Elim1Store]: treesize reduction 104, result has 60.2 percent of original size [2021-07-09 20:43:52,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 63 treesize of output 184 [2021-07-09 20:43:52,050 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-09 20:43:52,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:52,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:52,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:52,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:52,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:52,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:52,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:52,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:52,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:52,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:52,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:52,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:52,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:52,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:52,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:52,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:52,283 INFO L244 Elim1Store]: Index analysis took 172 ms [2021-07-09 20:43:52,709 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2021-07-09 20:43:52,710 INFO L354 Elim1Store]: treesize reduction 104, result has 60.2 percent of original size [2021-07-09 20:43:52,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 71 treesize of output 184 [2021-07-09 20:43:52,804 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-09 20:43:52,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:52,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:52,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:52,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:52,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:52,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:52,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:52,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:52,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:52,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:52,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:52,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:52,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:52,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:52,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:52,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:53,072 INFO L244 Elim1Store]: Index analysis took 205 ms [2021-07-09 20:43:53,577 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2021-07-09 20:43:53,577 INFO L354 Elim1Store]: treesize reduction 104, result has 60.2 percent of original size [2021-07-09 20:43:53,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 55 treesize of output 184 [2021-07-09 20:43:53,588 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-09 20:43:53,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:53,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:53,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:53,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:53,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:53,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:53,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:53,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:53,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:53,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:53,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:53,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:53,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:53,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:53,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:53,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:53,825 INFO L244 Elim1Store]: Index analysis took 172 ms [2021-07-09 20:43:54,344 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2021-07-09 20:43:54,345 INFO L354 Elim1Store]: treesize reduction 104, result has 60.2 percent of original size [2021-07-09 20:43:54,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 69 treesize of output 184 [2021-07-09 20:43:54,428 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 2 xjuncts. [2021-07-09 20:43:54,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:54,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:54,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:54,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:54,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:54,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:54,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:54,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:54,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:54,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:54,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:54,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:54,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:54,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:54,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:54,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:54,688 INFO L244 Elim1Store]: Index analysis took 161 ms [2021-07-09 20:43:55,159 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2021-07-09 20:43:55,159 INFO L354 Elim1Store]: treesize reduction 104, result has 60.2 percent of original size [2021-07-09 20:43:55,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 71 treesize of output 184 [2021-07-09 20:43:55,213 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-09 20:43:55,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:55,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:55,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:55,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:55,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:55,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:55,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:55,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:55,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:55,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:55,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:55,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:55,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:55,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:55,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:55,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:55,485 INFO L244 Elim1Store]: Index analysis took 192 ms [2021-07-09 20:43:55,948 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2021-07-09 20:43:55,948 INFO L354 Elim1Store]: treesize reduction 104, result has 60.2 percent of original size [2021-07-09 20:43:55,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 71 treesize of output 184 [2021-07-09 20:43:55,995 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 2 xjuncts. [2021-07-09 20:43:56,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:56,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:56,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:56,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:56,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:56,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:56,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:56,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:56,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:56,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:56,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:56,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:56,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:56,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:56,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:56,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:56,300 INFO L244 Elim1Store]: Index analysis took 207 ms [2021-07-09 20:43:56,948 WARN L205 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2021-07-09 20:43:56,948 INFO L354 Elim1Store]: treesize reduction 104, result has 60.2 percent of original size [2021-07-09 20:43:56,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 73 treesize of output 184 [2021-07-09 20:43:57,045 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 2 xjuncts. [2021-07-09 20:43:57,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:57,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:57,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:57,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:57,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:57,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:57,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:57,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:57,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:57,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:57,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:57,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:57,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:57,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:57,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:57,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:57,362 INFO L244 Elim1Store]: Index analysis took 248 ms [2021-07-09 20:43:57,971 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2021-07-09 20:43:57,971 INFO L354 Elim1Store]: treesize reduction 104, result has 60.2 percent of original size [2021-07-09 20:43:57,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 67 treesize of output 184 [2021-07-09 20:43:57,989 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-09 20:43:58,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:58,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:58,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:58,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:58,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:58,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:58,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:58,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:58,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:58,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:58,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:58,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:58,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:58,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:58,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:58,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:58,340 INFO L244 Elim1Store]: Index analysis took 275 ms [2021-07-09 20:43:58,945 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2021-07-09 20:43:58,945 INFO L354 Elim1Store]: treesize reduction 104, result has 60.2 percent of original size [2021-07-09 20:43:58,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 73 treesize of output 184 [2021-07-09 20:43:58,984 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 2 xjuncts. [2021-07-09 20:43:59,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:59,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:59,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:59,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:59,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:59,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:59,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:59,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:59,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:59,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:59,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:59,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:59,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:59,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:59,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:59,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:43:59,325 INFO L244 Elim1Store]: Index analysis took 255 ms [2021-07-09 20:43:59,991 WARN L205 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2021-07-09 20:43:59,991 INFO L354 Elim1Store]: treesize reduction 104, result has 60.2 percent of original size [2021-07-09 20:43:59,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 67 treesize of output 184 [2021-07-09 20:44:00,011 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-09 20:44:00,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:00,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:00,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:00,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:00,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:00,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:00,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:00,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:00,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:00,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:00,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:00,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:00,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:00,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:00,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:00,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:00,356 INFO L244 Elim1Store]: Index analysis took 255 ms [2021-07-09 20:44:00,956 WARN L205 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2021-07-09 20:44:00,957 INFO L354 Elim1Store]: treesize reduction 104, result has 60.2 percent of original size [2021-07-09 20:44:00,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 71 treesize of output 184 [2021-07-09 20:44:01,024 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-09 20:44:01,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:01,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:01,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:01,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:01,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:01,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:01,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:01,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:01,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:01,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:01,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:01,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:01,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:01,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:01,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:01,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:01,352 INFO L244 Elim1Store]: Index analysis took 235 ms [2021-07-09 20:44:02,007 WARN L205 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2021-07-09 20:44:02,007 INFO L354 Elim1Store]: treesize reduction 104, result has 60.2 percent of original size [2021-07-09 20:44:02,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 73 treesize of output 184 [2021-07-09 20:44:02,025 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 2 xjuncts. [2021-07-09 20:44:02,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:02,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:02,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:02,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:02,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:02,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:02,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:02,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:02,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:02,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:02,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:02,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:02,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:02,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:02,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:02,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:02,377 INFO L244 Elim1Store]: Index analysis took 252 ms [2021-07-09 20:44:03,065 WARN L205 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2021-07-09 20:44:03,065 INFO L354 Elim1Store]: treesize reduction 104, result has 60.2 percent of original size [2021-07-09 20:44:03,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 71 treesize of output 184 [2021-07-09 20:44:03,139 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 2 xjuncts. [2021-07-09 20:44:03,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:03,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:03,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:03,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:03,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:03,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:03,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:03,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:03,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:03,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:03,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:03,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:03,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:03,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:03,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:03,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:03,512 INFO L244 Elim1Store]: Index analysis took 267 ms [2021-07-09 20:44:04,218 WARN L205 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2021-07-09 20:44:04,219 INFO L354 Elim1Store]: treesize reduction 104, result has 60.2 percent of original size [2021-07-09 20:44:04,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 69 treesize of output 184 [2021-07-09 20:44:04,309 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 2 xjuncts. [2021-07-09 20:44:04,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:04,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:04,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:04,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:04,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:04,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:04,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:04,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:04,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:04,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:04,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:04,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:04,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:04,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:04,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:04,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:04,687 INFO L244 Elim1Store]: Index analysis took 278 ms [2021-07-09 20:44:05,397 WARN L205 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2021-07-09 20:44:05,398 INFO L354 Elim1Store]: treesize reduction 104, result has 60.2 percent of original size [2021-07-09 20:44:05,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 73 treesize of output 184 [2021-07-09 20:44:05,430 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 2 xjuncts. [2021-07-09 20:44:05,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:05,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:05,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:05,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:05,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:05,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:05,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:05,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:05,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:05,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:05,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:05,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:05,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:05,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:05,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:05,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:05,832 INFO L244 Elim1Store]: Index analysis took 263 ms [2021-07-09 20:44:06,621 WARN L205 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2021-07-09 20:44:06,622 INFO L354 Elim1Store]: treesize reduction 104, result has 60.2 percent of original size [2021-07-09 20:44:06,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 59 treesize of output 184 [2021-07-09 20:44:06,641 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-09 20:44:06,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:06,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:06,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:06,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:06,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:06,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:06,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:06,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:06,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:06,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:06,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:06,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:06,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:06,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:06,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:06,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:07,063 INFO L244 Elim1Store]: Index analysis took 301 ms [2021-07-09 20:44:08,019 WARN L205 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2021-07-09 20:44:08,019 INFO L354 Elim1Store]: treesize reduction 104, result has 60.2 percent of original size [2021-07-09 20:44:08,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 71 treesize of output 184 [2021-07-09 20:44:08,042 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-09 20:44:08,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:08,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:08,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:08,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:08,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:08,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:08,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:08,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:08,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:08,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:08,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:08,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:08,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:08,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:08,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:08,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:08,428 INFO L244 Elim1Store]: Index analysis took 267 ms [2021-07-09 20:44:09,124 WARN L205 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2021-07-09 20:44:09,125 INFO L354 Elim1Store]: treesize reduction 104, result has 60.2 percent of original size [2021-07-09 20:44:09,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 71 treesize of output 184 [2021-07-09 20:44:09,199 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 2 xjuncts. [2021-07-09 20:44:09,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:09,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:09,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:09,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:09,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:09,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:09,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:09,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:09,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:09,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:09,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:09,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:09,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:09,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:09,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:09,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:09,717 INFO L244 Elim1Store]: Index analysis took 340 ms [2021-07-09 20:44:10,469 WARN L205 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2021-07-09 20:44:10,469 INFO L354 Elim1Store]: treesize reduction 104, result has 60.2 percent of original size [2021-07-09 20:44:10,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 73 treesize of output 184 [2021-07-09 20:44:10,536 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 2 xjuncts. [2021-07-09 20:44:10,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:10,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:10,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:10,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:10,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:10,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:10,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:10,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:10,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:10,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:10,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:10,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:10,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:10,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:10,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:10,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:11,010 INFO L244 Elim1Store]: Index analysis took 336 ms [2021-07-09 20:44:12,020 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2021-07-09 20:44:12,020 INFO L354 Elim1Store]: treesize reduction 104, result has 60.2 percent of original size [2021-07-09 20:44:12,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 67 treesize of output 184 [2021-07-09 20:44:12,037 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-09 20:44:12,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:12,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:12,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:12,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:12,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:12,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:12,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:12,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:12,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:12,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:12,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:12,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:12,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:12,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:12,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:12,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:12,518 INFO L244 Elim1Store]: Index analysis took 341 ms [2021-07-09 20:44:13,383 WARN L205 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2021-07-09 20:44:13,384 INFO L354 Elim1Store]: treesize reduction 104, result has 60.2 percent of original size [2021-07-09 20:44:13,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 71 treesize of output 184 [2021-07-09 20:44:13,426 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-09 20:44:13,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:13,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:13,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:13,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:13,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:13,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:13,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:13,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:13,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:13,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:13,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:13,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:13,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:13,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:13,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 20:44:13,705 INFO L244 Elim1Store]: Index analysis took 147 ms [2021-07-09 20:44:14,377 WARN L205 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2021-07-09 20:44:14,377 INFO L354 Elim1Store]: treesize reduction 104, result has 60.2 percent of original size [2021-07-09 20:44:14,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 73 treesize of output 184 [2021-07-09 20:44:14,435 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 2 xjuncts. [2021-07-09 20:46:25,742 WARN L205 SmtUtils]: Spent 2.19 m on a formula simplification. DAG size of input: 2686 DAG size of output: 1788 [2021-07-09 20:46:25,746 INFO L628 ElimStorePlain]: treesize reduction 11945, result has 48.9 percent of original size [2021-07-09 20:46:26,394 INFO L550 ElimStorePlain]: Start of recursive call 1: 32 dim-0 vars, 1 dim-1 vars, End of recursive call: 32 dim-0 vars, and 32 xjuncts. [2021-07-09 20:46:26,395 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 33 variables, input treesize:2567, output treesize:10602 [2021-07-09 20:46:40,755 WARN L205 SmtUtils]: Spent 8.44 s on a formula simplification that was a NOOP. DAG size: 1719 [2021-07-09 20:46:40,863 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 1719 DAG size of output: 1719 [2021-07-09 20:46:41,575 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-07-09 20:46:41,878 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 1201 DAG size of output: 1201 [2021-07-09 20:46:42,130 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 1264 DAG size of output: 1264 [2021-07-09 20:46:42,354 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 1264 DAG size of output: 1264 [2021-07-09 20:46:42,487 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2021-07-09 20:47:58,647 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-07-09 20:47:58,648 WARN L348 FreeRefinementEngine]: Global settings require throwing the following exception [2021-07-09 20:47:58,853 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:47:58,853 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:621) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:173) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:140) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:360) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:305) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:582) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:297) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:190) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:597) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:238) ... 53 more [2021-07-09 20:47:58,856 INFO L168 Benchmark]: Toolchain (without parser) took 813143.15 ms. Allocated memory was 170.9 MB in the beginning and 986.7 MB in the end (delta: 815.8 MB). Free memory was 151.9 MB in the beginning and 357.4 MB in the end (delta: -205.5 MB). Peak memory consumption was 863.6 MB. Max. memory is 8.0 GB. [2021-07-09 20:47:58,856 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 170.9 MB. Free memory is still 153.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-09 20:47:58,856 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.19 ms. Allocated memory is still 170.9 MB. Free memory was 151.8 MB in the beginning and 150.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-09 20:47:58,857 INFO L168 Benchmark]: Boogie Preprocessor took 16.86 ms. Allocated memory is still 170.9 MB. Free memory was 150.3 MB in the beginning and 149.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-09 20:47:58,857 INFO L168 Benchmark]: RCFGBuilder took 259.60 ms. Allocated memory is still 170.9 MB. Free memory was 149.3 MB in the beginning and 135.3 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-07-09 20:47:58,857 INFO L168 Benchmark]: TraceAbstraction took 812842.70 ms. Allocated memory was 170.9 MB in the beginning and 986.7 MB in the end (delta: 815.8 MB). Free memory was 134.9 MB in the beginning and 357.4 MB in the end (delta: -222.5 MB). Peak memory consumption was 846.8 MB. Max. memory is 8.0 GB. [2021-07-09 20:47:58,857 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 170.9 MB. Free memory is still 153.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 20.19 ms. Allocated memory is still 170.9 MB. Free memory was 151.8 MB in the beginning and 150.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 16.86 ms. Allocated memory is still 170.9 MB. Free memory was 150.3 MB in the beginning and 149.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 259.60 ms. Allocated memory is still 170.9 MB. Free memory was 149.3 MB in the beginning and 135.3 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 812842.70 ms. Allocated memory was 170.9 MB in the beginning and 986.7 MB in the end (delta: 815.8 MB). Free memory was 134.9 MB in the beginning and 357.4 MB in the end (delta: -222.5 MB). Peak memory consumption was 846.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...