/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-New_States.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-inc.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 17:30:17,646 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 17:30:17,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 17:30:17,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-12 17:30:17,687 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-12 17:30:17,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-12 17:30:17,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-12 17:30:17,698 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-12 17:30:17,700 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-12 17:30:17,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-12 17:30:17,705 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-12 17:30:17,707 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-12 17:30:17,707 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-12 17:30:17,709 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-12 17:30:17,710 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-12 17:30:17,711 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-12 17:30:17,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-12 17:30:17,714 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-12 17:30:17,716 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-12 17:30:17,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-12 17:30:17,725 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-12 17:30:17,726 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-12 17:30:17,727 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-12 17:30:17,729 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-12 17:30:17,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-12 17:30:17,735 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-12 17:30:17,736 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-12 17:30:17,749 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-12 17:30:17,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-12 17:30:17,750 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2021-03-12 17:30:17,755 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 17:30:17,756 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 17:30:17,757 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 17:30:17,758 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-Sleep-NoLbe-New_States.epf [2021-03-12 17:30:17,795 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 17:30:17,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 17:30:17,796 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 17:30:17,796 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 17:30:17,799 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 17:30:17,799 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 17:30:17,799 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 17:30:17,800 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 17:30:17,800 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 17:30:17,800 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 17:30:17,801 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 17:30:17,801 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 17:30:17,801 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 17:30:17,801 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 17:30:17,801 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 17:30:17,802 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 17:30:17,802 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 17:30:17,802 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 17:30:17,802 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 17:30:17,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 17:30:17,803 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 17:30:17,803 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 17:30:17,803 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 17:30:17,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 17:30:17,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 17:30:17,803 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 17:30:17,804 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 17:30:17,804 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 17:30:17,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 17:30:17,804 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-12 17:30:17,804 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 17:30:17,804 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 17:30:17,805 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-03-12 17:30:17,805 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 17:30:18,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 17:30:18,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 17:30:18,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 17:30:18,196 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-12 17:30:18,198 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-12 17:30:18,198 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-inc.wvr.bpl [2021-03-12 17:30:18,199 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-inc.wvr.bpl' [2021-03-12 17:30:18,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 17:30:18,263 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-12 17:30:18,265 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 17:30:18,265 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 17:30:18,265 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 17:30:18,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 05:30:18" (1/1) ... [2021-03-12 17:30:18,289 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 05:30:18" (1/1) ... [2021-03-12 17:30:18,297 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 17:30:18,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 17:30:18,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 17:30:18,299 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 17:30:18,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 05:30:18" (1/1) ... [2021-03-12 17:30:18,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 05:30:18" (1/1) ... [2021-03-12 17:30:18,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 05:30:18" (1/1) ... [2021-03-12 17:30:18,309 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 05:30:18" (1/1) ... [2021-03-12 17:30:18,318 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 05:30:18" (1/1) ... [2021-03-12 17:30:18,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 05:30:18" (1/1) ... [2021-03-12 17:30:18,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 05:30:18" (1/1) ... [2021-03-12 17:30:18,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 17:30:18,332 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 17:30:18,332 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 17:30:18,332 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 17:30:18,334 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 05:30:18" (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 [2021-03-12 17:30:18,402 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-12 17:30:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-12 17:30:18,402 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-12 17:30:18,403 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-12 17:30:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-12 17:30:18,403 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-12 17:30:18,403 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-12 17:30:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 17:30:18,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 17:30:18,403 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-12 17:30:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-12 17:30:18,404 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-12 17:30:18,404 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-03-12 17:30:18,404 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-03-12 17:30:18,404 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-03-12 17:30:18,406 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-12 17:30:18,703 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 17:30:18,703 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-12 17:30:18,705 INFO L202 PluginConnector]: Adding new model min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 05:30:18 BoogieIcfgContainer [2021-03-12 17:30:18,705 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 17:30:18,706 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 17:30:18,706 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 17:30:18,709 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 17:30:18,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 05:30:18" (1/2) ... [2021-03-12 17:30:18,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77cdec89 and model type min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 05:30:18, skipping insertion in model container [2021-03-12 17:30:18,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 05:30:18" (2/2) ... [2021-03-12 17:30:18,711 INFO L111 eAbstractionObserver]: Analyzing ICFG min-max-inc.wvr.bpl [2021-03-12 17:30:18,737 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 17:30:18,738 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 17:30:18,741 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 17:30:18,742 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 17:30:18,807 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-12 17:30:18,822 INFO L253 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 [2021-03-12 17:30:18,863 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 17:30:18,863 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 17:30:18,863 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 17:30:18,863 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 17:30:18,863 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 17:30:18,863 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 17:30:18,863 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 17:30:18,863 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 17:30:18,939 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 17:30:18,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 17:30:18,944 INFO L82 PathProgramCache]: Analyzing trace with hash 321601636, now seen corresponding path program 1 times [2021-03-12 17:30:18,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 17:30:18,952 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057011591] [2021-03-12 17:30:18,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 17:30:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 17:30:19,278 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 17:30:19,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057011591] [2021-03-12 17:30:19,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086444862] [2021-03-12 17:30:19,281 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 [2021-03-12 17:30:19,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 17:30:19,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-12 17:30:19,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 17:30:19,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 21 treesize of output 14 [2021-03-12 17:30:19,619 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 17:30:19,628 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 17:30:19,630 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 17:30:19,630 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:21 [2021-03-12 17:30:19,726 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 13 treesize of output 9 [2021-03-12 17:30:19,730 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 17:30:19,732 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 17:30:19,732 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 17:30:19,733 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:5 [2021-03-12 17:30:19,781 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 17:30:19,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 17:30:19,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-03-12 17:30:19,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168031147] [2021-03-12 17:30:19,787 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-12 17:30:19,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 17:30:19,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-12 17:30:19,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-03-12 17:30:19,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 17:30:19,833 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 17:30:19,835 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 12 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 17:30:19,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 17:30:19,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 17:30:20,175 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-03-12 17:30:20,176 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 17:30:20,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 17:30:20,177 INFO L82 PathProgramCache]: Analyzing trace with hash 1417974594, now seen corresponding path program 2 times [2021-03-12 17:30:20,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 17:30:20,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011221968] [2021-03-12 17:30:20,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 17:30:20,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 17:30:20,259 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 17:30:20,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011221968] [2021-03-12 17:30:20,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1599944924] [2021-03-12 17:30:20,260 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 [2021-03-12 17:30:20,310 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 17:30:20,310 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 17:30:20,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-12 17:30:20,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 17:30:20,403 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 17:30:20,403 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 17:30:20,403 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-03-12 17:30:20,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958278590] [2021-03-12 17:30:20,404 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-12 17:30:20,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 17:30:20,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-12 17:30:20,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-12 17:30:20,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 17:30:20,408 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 17:30:20,409 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 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) [2021-03-12 17:30:20,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 17:30:20,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 17:30:20,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 17:30:20,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:30:20,729 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 17:30:20,730 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 17:30:20,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 17:30:20,731 INFO L82 PathProgramCache]: Analyzing trace with hash -1674135384, now seen corresponding path program 3 times [2021-03-12 17:30:20,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 17:30:20,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571651230] [2021-03-12 17:30:20,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 17:30:20,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 17:30:20,788 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-03-12 17:30:20,788 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571651230] [2021-03-12 17:30:20,789 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2027194882] [2021-03-12 17:30:20,789 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 [2021-03-12 17:30:20,836 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-12 17:30:20,837 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 17:30:20,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-12 17:30:20,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 17:30:20,913 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-03-12 17:30:20,914 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 17:30:20,914 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-03-12 17:30:20,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747592181] [2021-03-12 17:30:20,914 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-12 17:30:20,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 17:30:20,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-12 17:30:20,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-12 17:30:20,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 17:30:20,916 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 17:30:20,916 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 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) [2021-03-12 17:30:20,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 17:30:20,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:30:20,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 17:30:20,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 17:30:20,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:30:20,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:30:21,210 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 17:30:21,211 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 17:30:21,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 17:30:21,212 INFO L82 PathProgramCache]: Analyzing trace with hash 51887238, now seen corresponding path program 4 times [2021-03-12 17:30:21,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 17:30:21,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594596247] [2021-03-12 17:30:21,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 17:30:21,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 17:30:21,282 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-03-12 17:30:21,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594596247] [2021-03-12 17:30:21,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1551419546] [2021-03-12 17:30:21,282 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 [2021-03-12 17:30:21,331 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 17:30:21,331 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 17:30:21,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-12 17:30:21,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 17:30:21,427 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-03-12 17:30:21,427 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 17:30:21,427 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-03-12 17:30:21,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142733084] [2021-03-12 17:30:21,429 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-12 17:30:21,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 17:30:21,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-12 17:30:21,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-03-12 17:30:21,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 17:30:21,431 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 17:30:21,431 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 8 states have internal predecessors, (41), 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) [2021-03-12 17:30:21,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 17:30:21,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:30:21,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:30:21,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 17:30:21,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 17:30:21,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:30:21,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:30:21,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 17:30:21,815 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 17:30:21,815 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 17:30:21,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 17:30:21,816 INFO L82 PathProgramCache]: Analyzing trace with hash 1736008390, now seen corresponding path program 5 times [2021-03-12 17:30:21,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 17:30:21,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544756723] [2021-03-12 17:30:21,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 17:30:21,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 17:30:21,899 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 28 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-03-12 17:30:21,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544756723] [2021-03-12 17:30:21,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1451042095] [2021-03-12 17:30:21,900 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 [2021-03-12 17:30:21,945 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-03-12 17:30:21,945 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 17:30:21,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-12 17:30:21,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 17:30:22,100 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 26 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-12 17:30:22,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 17:30:22,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 16 [2021-03-12 17:30:22,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442990877] [2021-03-12 17:30:22,101 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-12 17:30:22,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 17:30:22,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-12 17:30:22,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2021-03-12 17:30:22,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 17:30:22,103 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 17:30:22,103 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 4.176470588235294) internal successors, (71), 16 states have internal predecessors, (71), 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) [2021-03-12 17:30:22,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 17:30:22,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:30:22,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:30:22,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 17:30:22,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 17:30:22,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 17:30:22,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:30:22,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:30:22,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 17:30:22,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 17:30:22,735 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 17:30:22,735 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 17:30:22,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 17:30:22,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1854080748, now seen corresponding path program 6 times [2021-03-12 17:30:22,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 17:30:22,736 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664294914] [2021-03-12 17:30:22,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 17:30:22,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 17:30:22,831 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 4 proven. 30 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-03-12 17:30:22,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664294914] [2021-03-12 17:30:22,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [99217003] [2021-03-12 17:30:22,832 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 [2021-03-12 17:30:22,877 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-03-12 17:30:22,877 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 17:30:22,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-12 17:30:22,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 17:30:23,115 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-03-12 17:30:23,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 17:30:23,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 19 [2021-03-12 17:30:23,116 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681733026] [2021-03-12 17:30:23,117 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-12 17:30:23,117 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 17:30:23,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-12 17:30:23,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2021-03-12 17:30:23,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 17:30:23,118 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 17:30:23,118 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 3.65) internal successors, (73), 19 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 17:30:23,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 17:30:23,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:30:23,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:30:23,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 17:30:23,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-12 17:30:23,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 17:30:23,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 17:30:23,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:30:23,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:30:23,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 17:30:23,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 17:30:23,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-12 17:30:23,874 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 17:30:23,875 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 17:30:23,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 17:30:23,875 INFO L82 PathProgramCache]: Analyzing trace with hash -1509147910, now seen corresponding path program 7 times [2021-03-12 17:30:23,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 17:30:23,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265116016] [2021-03-12 17:30:23,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 17:30:23,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 17:30:24,011 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 16 proven. 56 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-03-12 17:30:24,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265116016] [2021-03-12 17:30:24,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1241149453] [2021-03-12 17:30:24,012 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 [2021-03-12 17:30:24,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 17:30:24,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-12 17:30:24,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 17:30:24,354 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 56 proven. 25 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-03-12 17:30:24,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 17:30:24,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 24 [2021-03-12 17:30:24,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871313252] [2021-03-12 17:30:24,355 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-03-12 17:30:24,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 17:30:24,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-03-12 17:30:24,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=501, Unknown=0, NotChecked=0, Total=600 [2021-03-12 17:30:24,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 17:30:24,356 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 17:30:24,357 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 3.48) internal successors, (87), 24 states have internal predecessors, (87), 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) [2021-03-12 17:30:24,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 17:30:24,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:30:24,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:30:24,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 17:30:24,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-12 17:30:24,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-03-12 17:30:24,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 17:30:25,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 17:30:25,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:30:25,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:30:25,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 17:30:25,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 17:30:25,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-12 17:30:25,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-12 17:30:25,227 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-03-12 17:30:25,227 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 17:30:25,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 17:30:25,228 INFO L82 PathProgramCache]: Analyzing trace with hash 1877350192, now seen corresponding path program 8 times [2021-03-12 17:30:25,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 17:30:25,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289056651] [2021-03-12 17:30:25,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 17:30:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 17:30:25,365 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 16 proven. 58 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-03-12 17:30:25,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289056651] [2021-03-12 17:30:25,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1777275255] [2021-03-12 17:30:25,365 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 [2021-03-12 17:30:25,416 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 17:30:25,416 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 17:30:25,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-12 17:30:25,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 17:30:25,740 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 49 proven. 36 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-03-12 17:30:25,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 17:30:25,740 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 27 [2021-03-12 17:30:25,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488970362] [2021-03-12 17:30:25,741 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-03-12 17:30:25,741 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 17:30:25,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-03-12 17:30:25,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=636, Unknown=0, NotChecked=0, Total=756 [2021-03-12 17:30:25,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 17:30:25,742 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 17:30:25,743 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.1785714285714284) internal successors, (89), 27 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 17:30:25,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 17:30:25,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:30:25,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:30:25,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 17:30:25,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-12 17:30:25,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-03-12 17:30:25,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-03-12 17:30:25,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 17:30:26,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 17:30:26,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:30:26,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:30:26,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 17:30:26,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 17:30:26,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-12 17:30:26,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-12 17:30:26,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 17:30:26,660 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 17:30:26,660 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 17:30:26,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 17:30:26,661 INFO L82 PathProgramCache]: Analyzing trace with hash 320628014, now seen corresponding path program 9 times [2021-03-12 17:30:26,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 17:30:26,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942009623] [2021-03-12 17:30:26,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 17:30:26,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 17:30:26,884 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 36 proven. 92 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-03-12 17:30:26,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942009623] [2021-03-12 17:30:26,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1633975050] [2021-03-12 17:30:26,885 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 [2021-03-12 17:30:26,933 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-03-12 17:30:26,934 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 17:30:26,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-12 17:30:26,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 17:30:27,186 INFO L354 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2021-03-12 17:30:27,187 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 [2021-03-12 17:30:27,194 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-12 17:30:27,225 INFO L628 ElimStorePlain]: treesize reduction 15, result has 69.4 percent of original size [2021-03-12 17:30:27,242 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. [2021-03-12 17:30:27,242 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:32, output treesize:34 [2021-03-12 17:30:27,441 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 17:30:27,441 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 13 treesize of output 17 [2021-03-12 17:30:27,449 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-12 17:30:27,461 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 17:30:27,480 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-12 17:30:27,481 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:31 [2021-03-12 17:30:27,592 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 44 proven. 17 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-03-12 17:30:27,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 17:30:27,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12] total 27 [2021-03-12 17:30:27,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805595587] [2021-03-12 17:30:27,594 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-03-12 17:30:27,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 17:30:27,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-03-12 17:30:27,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=602, Unknown=0, NotChecked=0, Total=702 [2021-03-12 17:30:27,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 17:30:27,597 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 17:30:27,597 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 3.3333333333333335) internal successors, (90), 27 states have internal predecessors, (90), 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) [2021-03-12 17:30:27,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 17:30:27,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:30:27,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:30:27,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 17:30:27,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-12 17:30:27,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-03-12 17:30:27,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-03-12 17:30:27,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 17:30:27,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 17:30:29,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 17:30:29,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:30:29,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:30:29,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 17:30:29,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-12 17:30:29,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-12 17:30:29,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-12 17:30:29,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-03-12 17:30:29,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-03-12 17:30:30,207 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 17:30:30,208 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 17:30:30,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 17:30:30,208 INFO L82 PathProgramCache]: Analyzing trace with hash 2129481246, now seen corresponding path program 10 times [2021-03-12 17:30:30,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 17:30:30,208 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823119636] [2021-03-12 17:30:30,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 17:30:30,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 17:30:30,564 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 140 proven. 111 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 17:30:30,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823119636] [2021-03-12 17:30:30,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [646270065] [2021-03-12 17:30:30,564 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 [2021-03-12 17:30:30,613 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 17:30:30,614 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 17:30:30,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 17 conjunts are in the unsatisfiable core [2021-03-12 17:30:30,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 17:30:31,095 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 109 proven. 49 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-03-12 17:30:31,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 17:30:31,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 17] total 42 [2021-03-12 17:30:31,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505173981] [2021-03-12 17:30:31,097 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-03-12 17:30:31,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 17:30:31,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-03-12 17:30:31,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=1551, Unknown=0, NotChecked=0, Total=1806 [2021-03-12 17:30:31,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 17:30:31,099 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 17:30:31,100 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 2.7906976744186047) internal successors, (120), 42 states have internal predecessors, (120), 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) [2021-03-12 17:30:31,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 17:30:31,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:30:31,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:30:31,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 17:30:31,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-03-12 17:30:31,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-03-12 17:30:31,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-12 17:30:31,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-03-12 17:30:31,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-03-12 17:30:31,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 17:30:32,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 17:30:32,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:30:32,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:30:32,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 17:30:32,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-12 17:30:32,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-12 17:30:32,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-03-12 17:30:32,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-03-12 17:30:32,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-03-12 17:30:32,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-12 17:30:32,459 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-03-12 17:30:32,459 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 17:30:32,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 17:30:32,460 INFO L82 PathProgramCache]: Analyzing trace with hash 1290832978, now seen corresponding path program 11 times [2021-03-12 17:30:32,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 17:30:32,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301483705] [2021-03-12 17:30:32,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 17:30:32,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 17:30:32,887 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 170 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 17:30:32,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301483705] [2021-03-12 17:30:32,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [870889395] [2021-03-12 17:30:32,888 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 [2021-03-12 17:30:32,971 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2021-03-12 17:30:32,972 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 17:30:32,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 24 conjunts are in the unsatisfiable core [2021-03-12 17:30:32,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 17:30:33,430 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 74 proven. 142 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-03-12 17:30:33,430 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 17:30:33,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 14] total 44 [2021-03-12 17:30:33,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488343856] [2021-03-12 17:30:33,431 INFO L460 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-03-12 17:30:33,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 17:30:33,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-03-12 17:30:33,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=1658, Unknown=0, NotChecked=0, Total=1980 [2021-03-12 17:30:33,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 17:30:33,432 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 17:30:33,433 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 45 states, 45 states have (on average 3.022222222222222) internal successors, (136), 44 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 17:30:33,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 17:30:33,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:30:33,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:30:33,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 17:30:33,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-03-12 17:30:33,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-03-12 17:30:33,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-03-12 17:30:33,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-03-12 17:30:33,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-03-12 17:30:33,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-03-12 17:30:33,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 17:30:34,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 17:30:34,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 17:30:34,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:30:34,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 17:30:34,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-03-12 17:30:34,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-12 17:30:34,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-03-12 17:30:34,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-03-12 17:30:34,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-03-12 17:30:34,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-12 17:30:35,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-03-12 17:30:35,203 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 17:30:35,204 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 17:30:35,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 17:30:35,204 INFO L82 PathProgramCache]: Analyzing trace with hash 2096586232, now seen corresponding path program 12 times [2021-03-12 17:30:35,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 17:30:35,205 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808131714] [2021-03-12 17:30:35,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 17:30:35,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 17:30:35,346 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 192 proven. 166 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2021-03-12 17:30:35,347 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808131714] [2021-03-12 17:30:35,347 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953927755] [2021-03-12 17:30:35,347 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 [2021-03-12 17:30:35,421 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2021-03-12 17:30:35,422 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 17:30:35,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 34 conjunts are in the unsatisfiable core [2021-03-12 17:30:35,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 17:30:35,551 INFO L354 Elim1Store]: treesize reduction 18, result has 60.9 percent of original size [2021-03-12 17:30:35,552 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 22 treesize of output 40 [2021-03-12 17:30:35,561 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-12 17:30:35,580 INFO L628 ElimStorePlain]: treesize reduction 14, result has 65.0 percent of original size [2021-03-12 17:30:35,581 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-12 17:30:35,581 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:26 [2021-03-12 17:30:35,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:35,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:35,805 INFO L354 Elim1Store]: treesize reduction 16, result has 60.0 percent of original size [2021-03-12 17:30:35,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 44 [2021-03-12 17:30:35,814 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 17:30:35,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:35,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:35,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2021-03-12 17:30:35,826 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-12 17:30:35,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:35,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:35,874 INFO L354 Elim1Store]: treesize reduction 16, result has 60.0 percent of original size [2021-03-12 17:30:35,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 44 [2021-03-12 17:30:35,879 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-12 17:30:35,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:35,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 25 [2021-03-12 17:30:35,889 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-03-12 17:30:35,960 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 17:30:35,975 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2021-03-12 17:30:35,976 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:161, output treesize:185 [2021-03-12 17:30:36,740 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 34 [2021-03-12 17:30:37,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:37,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:37,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:37,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:37,153 INFO L354 Elim1Store]: treesize reduction 44, result has 59.3 percent of original size [2021-03-12 17:30:37,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 30 treesize of output 80 [2021-03-12 17:30:37,164 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 17:30:37,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:37,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:37,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:37,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:37,278 INFO L354 Elim1Store]: treesize reduction 44, result has 59.3 percent of original size [2021-03-12 17:30:37,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 80 [2021-03-12 17:30:37,300 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-03-12 17:30:37,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:37,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:37,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:37,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:37,398 INFO L354 Elim1Store]: treesize reduction 44, result has 59.3 percent of original size [2021-03-12 17:30:37,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 80 [2021-03-12 17:30:37,414 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-12 17:30:37,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:37,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:37,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:37,533 INFO L354 Elim1Store]: treesize reduction 44, result has 59.3 percent of original size [2021-03-12 17:30:37,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 80 [2021-03-12 17:30:37,550 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-03-12 17:30:38,434 WARN L205 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 147 [2021-03-12 17:30:38,435 INFO L628 ElimStorePlain]: treesize reduction 207, result has 71.3 percent of original size [2021-03-12 17:30:38,496 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-03-12 17:30:38,496 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:179, output treesize:367 [2021-03-12 17:30:38,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:38,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:38,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:38,756 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 17:30:38,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 47 [2021-03-12 17:30:38,801 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-03-12 17:30:38,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:38,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:38,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:38,830 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 17:30:38,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 47 [2021-03-12 17:30:38,859 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-03-12 17:30:38,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:38,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:38,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:38,894 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 17:30:38,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 47 [2021-03-12 17:30:38,923 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-03-12 17:30:38,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:38,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:38,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:38,949 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 17:30:38,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 47 [2021-03-12 17:30:38,977 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-03-12 17:30:39,054 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 17:30:39,072 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-03-12 17:30:39,072 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:155, output treesize:95 [2021-03-12 17:30:39,346 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 214 proven. 56 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2021-03-12 17:30:39,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 17:30:39,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 18] total 31 [2021-03-12 17:30:39,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897279670] [2021-03-12 17:30:39,347 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-03-12 17:30:39,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 17:30:39,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-03-12 17:30:39,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=798, Unknown=0, NotChecked=0, Total=930 [2021-03-12 17:30:39,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 17:30:39,348 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 17:30:39,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 4.0) internal successors, (124), 31 states have internal predecessors, (124), 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) [2021-03-12 17:30:39,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 17:30:39,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 17:30:39,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:30:39,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 17:30:39,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-03-12 17:30:39,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-03-12 17:30:39,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-03-12 17:30:39,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-03-12 17:30:39,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-03-12 17:30:39,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-12 17:30:39,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-03-12 17:30:39,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 17:30:39,779 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-03-12 17:30:39,939 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-03-12 17:30:41,477 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-03-12 17:30:41,794 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-03-12 17:30:42,129 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2021-03-12 17:30:43,113 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-03-12 17:30:43,266 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-03-12 17:30:43,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 17:30:43,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 17:30:43,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:30:43,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 17:30:43,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-03-12 17:30:43,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-03-12 17:30:43,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-03-12 17:30:43,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-03-12 17:30:43,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-03-12 17:30:43,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-12 17:30:43,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-03-12 17:30:43,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-03-12 17:30:43,478 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-03-12 17:30:43,479 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 17:30:43,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 17:30:43,479 INFO L82 PathProgramCache]: Analyzing trace with hash -1341384772, now seen corresponding path program 13 times [2021-03-12 17:30:43,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 17:30:43,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348256816] [2021-03-12 17:30:43,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 17:30:43,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 17:30:43,647 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 364 proven. 756 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2021-03-12 17:30:43,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348256816] [2021-03-12 17:30:43,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1434289848] [2021-03-12 17:30:43,648 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 [2021-03-12 17:30:43,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 17:30:43,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 41 conjunts are in the unsatisfiable core [2021-03-12 17:30:43,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 17:30:44,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 1010 proven. 221 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2021-03-12 17:30:44,296 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 17:30:44,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 19] total 33 [2021-03-12 17:30:44,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787662802] [2021-03-12 17:30:44,297 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-03-12 17:30:44,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 17:30:44,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-03-12 17:30:44,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=232, Invalid=890, Unknown=0, NotChecked=0, Total=1122 [2021-03-12 17:30:44,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 17:30:44,298 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 17:30:44,299 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 4.764705882352941) internal successors, (162), 33 states have internal predecessors, (162), 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) [2021-03-12 17:30:44,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 17:30:44,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 17:30:44,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:30:44,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 17:30:44,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-03-12 17:30:44,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-03-12 17:30:44,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-03-12 17:30:44,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-03-12 17:30:44,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-03-12 17:30:44,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-12 17:30:44,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-03-12 17:30:44,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-03-12 17:30:44,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 17:30:44,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 17:30:44,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 17:30:44,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:30:44,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 17:30:44,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-03-12 17:30:44,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-03-12 17:30:44,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-03-12 17:30:44,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-03-12 17:30:44,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-03-12 17:30:44,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-12 17:30:44,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-03-12 17:30:44,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-03-12 17:30:44,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-03-12 17:30:45,198 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable222,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 17:30:45,198 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 17:30:45,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 17:30:45,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1442261974, now seen corresponding path program 14 times [2021-03-12 17:30:45,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 17:30:45,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598545955] [2021-03-12 17:30:45,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 17:30:45,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 17:30:45,632 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 169 proven. 297 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2021-03-12 17:30:45,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598545955] [2021-03-12 17:30:45,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1286018987] [2021-03-12 17:30:45,632 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 [2021-03-12 17:30:45,700 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 17:30:45,700 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 17:30:45,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 33 conjunts are in the unsatisfiable core [2021-03-12 17:30:45,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 17:30:46,795 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 318 proven. 225 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-03-12 17:30:46,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 17:30:46,796 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 33] total 61 [2021-03-12 17:30:46,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913601362] [2021-03-12 17:30:46,796 INFO L460 AbstractCegarLoop]: Interpolant automaton has 62 states [2021-03-12 17:30:46,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 17:30:46,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2021-03-12 17:30:46,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=530, Invalid=3252, Unknown=0, NotChecked=0, Total=3782 [2021-03-12 17:30:46,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 17:30:46,798 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 17:30:46,798 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 62 states, 62 states have (on average 2.6129032258064515) internal successors, (162), 61 states have internal predecessors, (162), 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) [2021-03-12 17:30:46,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 17:30:46,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 17:30:46,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:30:46,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 17:30:46,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-03-12 17:30:46,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-03-12 17:30:46,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-03-12 17:30:46,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-03-12 17:30:46,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-03-12 17:30:46,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-12 17:30:46,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-03-12 17:30:46,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-03-12 17:30:46,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-03-12 17:30:46,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 17:30:48,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 17:30:48,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 17:30:48,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:30:48,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 17:30:48,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-03-12 17:30:48,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-03-12 17:30:48,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-03-12 17:30:48,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-03-12 17:30:48,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-03-12 17:30:48,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-12 17:30:48,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-03-12 17:30:48,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-03-12 17:30:48,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-03-12 17:30:48,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-03-12 17:30:48,935 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable223 [2021-03-12 17:30:48,935 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 17:30:48,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 17:30:48,936 INFO L82 PathProgramCache]: Analyzing trace with hash -656055536, now seen corresponding path program 15 times [2021-03-12 17:30:48,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 17:30:48,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32406409] [2021-03-12 17:30:48,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 17:30:48,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 17:30:49,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1866 backedges. 622 proven. 877 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2021-03-12 17:30:49,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32406409] [2021-03-12 17:30:49,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1424638747] [2021-03-12 17:30:49,277 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 [2021-03-12 17:30:49,617 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 46 check-sat command(s) [2021-03-12 17:30:49,618 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 17:30:49,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 104 conjunts are in the unsatisfiable core [2021-03-12 17:30:49,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 17:30:49,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:49,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:49,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:49,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:49,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:49,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:49,954 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 17:30:49,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 44 treesize of output 64 [2021-03-12 17:30:49,996 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-03-12 17:30:50,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:50,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:50,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:50,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:50,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:50,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:50,042 INFO L354 Elim1Store]: treesize reduction 46, result has 6.1 percent of original size [2021-03-12 17:30:50,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 48 treesize of output 19 [2021-03-12 17:30:50,045 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-12 17:30:50,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:50,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:50,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:50,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:50,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:50,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:50,079 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-03-12 17:30:50,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 48 treesize of output 1 [2021-03-12 17:30:50,080 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-12 17:30:50,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:50,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:50,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:50,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:50,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:50,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:50,112 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-03-12 17:30:50,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 48 treesize of output 1 [2021-03-12 17:30:50,114 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-03-12 17:30:50,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:50,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:50,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:50,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:50,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:50,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:50,145 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-03-12 17:30:50,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 48 treesize of output 1 [2021-03-12 17:30:50,146 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-03-12 17:30:50,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:50,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:50,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:50,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:50,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:50,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:50,177 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-03-12 17:30:50,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 44 treesize of output 1 [2021-03-12 17:30:50,178 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-03-12 17:30:50,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:50,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:50,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:50,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:50,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:50,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:50,207 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-03-12 17:30:50,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 36 treesize of output 1 [2021-03-12 17:30:50,208 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-03-12 17:30:50,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:50,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:50,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:50,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:50,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:50,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:50,226 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-03-12 17:30:50,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 40 treesize of output 1 [2021-03-12 17:30:50,227 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-03-12 17:30:50,251 INFO L628 ElimStorePlain]: treesize reduction 11, result has 71.1 percent of original size [2021-03-12 17:30:50,253 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-12 17:30:50,253 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 1 variables, input treesize:357, output treesize:27 [2021-03-12 17:30:50,352 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 7 treesize of output 3 [2021-03-12 17:30:50,354 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 17:30:50,396 INFO L628 ElimStorePlain]: treesize reduction 32, result has 61.9 percent of original size [2021-03-12 17:30:50,400 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 7 treesize of output 3 [2021-03-12 17:30:50,402 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-12 17:30:50,425 INFO L628 ElimStorePlain]: treesize reduction 15, result has 65.9 percent of original size [2021-03-12 17:30:50,426 INFO L518 ElimStorePlain]: Eliminatee v_prenex_7 vanished before elimination [2021-03-12 17:30:50,427 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-12 17:30:50,427 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:91, output treesize:29 [2021-03-12 17:30:50,498 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 15 treesize of output 7 [2021-03-12 17:30:50,499 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 17:30:50,503 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 7 treesize of output 3 [2021-03-12 17:30:50,504 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-12 17:30:50,529 INFO L628 ElimStorePlain]: treesize reduction 43, result has 40.3 percent of original size [2021-03-12 17:30:50,529 INFO L518 ElimStorePlain]: Eliminatee v_prenex_9 vanished before elimination [2021-03-12 17:30:50,529 INFO L518 ElimStorePlain]: Eliminatee v_prenex_10 vanished before elimination [2021-03-12 17:30:50,530 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-12 17:30:50,530 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:91, output treesize:29 [2021-03-12 17:30:50,580 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 7 treesize of output 3 [2021-03-12 17:30:50,581 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 17:30:50,614 INFO L628 ElimStorePlain]: treesize reduction 32, result has 61.9 percent of original size [2021-03-12 17:30:50,617 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 7 treesize of output 3 [2021-03-12 17:30:50,618 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-12 17:30:50,635 INFO L628 ElimStorePlain]: treesize reduction 15, result has 65.9 percent of original size [2021-03-12 17:30:50,635 INFO L518 ElimStorePlain]: Eliminatee v_prenex_12 vanished before elimination [2021-03-12 17:30:50,635 INFO L518 ElimStorePlain]: Eliminatee v_prenex_11 vanished before elimination [2021-03-12 17:30:50,641 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-12 17:30:50,641 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:91, output treesize:29 [2021-03-12 17:30:50,701 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 15 treesize of output 7 [2021-03-12 17:30:50,702 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 17:30:50,750 INFO L628 ElimStorePlain]: treesize reduction 11, result has 86.1 percent of original size [2021-03-12 17:30:50,753 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 7 treesize of output 3 [2021-03-12 17:30:50,754 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-12 17:30:50,804 INFO L628 ElimStorePlain]: treesize reduction 32, result has 47.5 percent of original size [2021-03-12 17:30:50,804 INFO L518 ElimStorePlain]: Eliminatee v_prenex_16 vanished before elimination [2021-03-12 17:30:50,804 INFO L518 ElimStorePlain]: Eliminatee v_prenex_15 vanished before elimination [2021-03-12 17:30:50,805 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-12 17:30:50,805 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:91, output treesize:29 [2021-03-12 17:30:50,867 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 7 treesize of output 3 [2021-03-12 17:30:50,868 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 17:30:50,913 INFO L628 ElimStorePlain]: treesize reduction 32, result has 61.9 percent of original size [2021-03-12 17:30:50,917 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 15 treesize of output 7 [2021-03-12 17:30:50,918 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-12 17:30:50,942 INFO L628 ElimStorePlain]: treesize reduction 11, result has 72.5 percent of original size [2021-03-12 17:30:50,942 INFO L518 ElimStorePlain]: Eliminatee v_prenex_17 vanished before elimination [2021-03-12 17:30:50,943 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-12 17:30:50,943 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:91, output treesize:29 [2021-03-12 17:30:51,019 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 7 treesize of output 3 [2021-03-12 17:30:51,021 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 17:30:51,024 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 15 treesize of output 7 [2021-03-12 17:30:51,026 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-12 17:30:51,057 INFO L628 ElimStorePlain]: treesize reduction 43, result has 40.3 percent of original size [2021-03-12 17:30:51,057 INFO L518 ElimStorePlain]: Eliminatee v_prenex_19 vanished before elimination [2021-03-12 17:30:51,057 INFO L518 ElimStorePlain]: Eliminatee v_prenex_20 vanished before elimination [2021-03-12 17:30:51,058 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-12 17:30:51,058 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:91, output treesize:29 [2021-03-12 17:30:51,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:51,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:51,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:51,639 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 17:30:51,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 49 [2021-03-12 17:30:51,668 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-03-12 17:30:52,251 WARN L205 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 131 [2021-03-12 17:30:52,252 INFO L628 ElimStorePlain]: treesize reduction 411, result has 64.4 percent of original size [2021-03-12 17:30:52,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:52,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:52,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:52,297 INFO L354 Elim1Store]: treesize reduction 8, result has 78.4 percent of original size [2021-03-12 17:30:52,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 44 [2021-03-12 17:30:52,305 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-12 17:30:52,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:52,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:52,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:52,329 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-03-12 17:30:52,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 1 [2021-03-12 17:30:52,330 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-12 17:30:52,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:52,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:52,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:52,367 INFO L354 Elim1Store]: treesize reduction 34, result has 8.1 percent of original size [2021-03-12 17:30:52,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 19 [2021-03-12 17:30:52,368 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-03-12 17:30:52,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:52,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:52,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:52,387 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-03-12 17:30:52,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 1 [2021-03-12 17:30:52,388 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-03-12 17:30:52,644 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 71 [2021-03-12 17:30:52,644 INFO L628 ElimStorePlain]: treesize reduction 210, result has 64.7 percent of original size [2021-03-12 17:30:52,645 INFO L518 ElimStorePlain]: Eliminatee v_prenex_25 vanished before elimination [2021-03-12 17:30:52,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:52,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:52,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:52,675 INFO L354 Elim1Store]: treesize reduction 20, result has 45.9 percent of original size [2021-03-12 17:30:52,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 32 [2021-03-12 17:30:52,689 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-03-12 17:30:52,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:52,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:52,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:52,712 INFO L354 Elim1Store]: treesize reduction 29, result has 21.6 percent of original size [2021-03-12 17:30:52,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 24 [2021-03-12 17:30:52,714 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-03-12 17:30:52,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:52,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:52,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:52,730 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-03-12 17:30:52,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 16 [2021-03-12 17:30:52,732 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-03-12 17:30:52,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:52,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:52,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:52,782 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-03-12 17:30:52,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 16 [2021-03-12 17:30:52,783 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-03-12 17:30:52,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:52,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:52,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:52,803 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-03-12 17:30:52,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 16 [2021-03-12 17:30:52,804 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-03-12 17:30:52,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:52,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:52,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:52,824 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-03-12 17:30:52,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 16 [2021-03-12 17:30:52,826 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-03-12 17:30:52,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:52,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:52,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:30:52,835 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-03-12 17:30:52,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 16 [2021-03-12 17:30:52,837 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-03-12 17:30:52,869 INFO L628 ElimStorePlain]: treesize reduction 47, result has 48.9 percent of original size [2021-03-12 17:30:52,869 INFO L518 ElimStorePlain]: Eliminatee v_prenex_23 vanished before elimination [2021-03-12 17:30:52,869 INFO L518 ElimStorePlain]: Eliminatee v_prenex_22 vanished before elimination [2021-03-12 17:30:52,870 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-12 17:30:52,870 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 6 variables, input treesize:1145, output treesize:45 [2021-03-12 17:30:53,807 INFO L134 CoverageAnalysis]: Checked inductivity of 1866 backedges. 536 proven. 884 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2021-03-12 17:30:53,807 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 17:30:53,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 34] total 56 [2021-03-12 17:30:53,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685841868] [2021-03-12 17:30:53,808 INFO L460 AbstractCegarLoop]: Interpolant automaton has 56 states [2021-03-12 17:30:53,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 17:30:53,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2021-03-12 17:30:53,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=299, Invalid=2781, Unknown=0, NotChecked=0, Total=3080 [2021-03-12 17:30:53,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 17:30:53,810 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 17:30:53,810 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 56 states, 56 states have (on average 3.5) internal successors, (196), 56 states have internal predecessors, (196), 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) [2021-03-12 17:30:53,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 17:30:53,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 17:30:53,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:30:53,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 17:30:53,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-03-12 17:30:53,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-03-12 17:30:53,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-03-12 17:30:53,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-03-12 17:30:53,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-03-12 17:30:53,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-12 17:30:53,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-03-12 17:30:53,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-03-12 17:30:53,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-03-12 17:30:53,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-03-12 17:30:53,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 17:30:54,196 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 77 [2021-03-12 17:30:54,477 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2021-03-12 17:30:54,696 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 74 [2021-03-12 17:30:54,915 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 80 [2021-03-12 17:30:55,420 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2021-03-12 17:30:55,957 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 89 [2021-03-12 17:30:56,268 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 77 [2021-03-12 17:30:56,536 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2021-03-12 17:30:58,042 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 62 [2021-03-12 17:30:58,350 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 66 [2021-03-12 17:30:58,502 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 68 [2021-03-12 17:30:58,693 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 71 [2021-03-12 17:30:58,868 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 73 [2021-03-12 17:30:59,057 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 78 [2021-03-12 17:30:59,252 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 76 [2021-03-12 17:30:59,473 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 83 [2021-03-12 17:30:59,666 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 81 [2021-03-12 17:30:59,955 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 89 [2021-03-12 17:31:00,148 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 81 [2021-03-12 17:31:00,383 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 89 [2021-03-12 17:31:00,589 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 81 [2021-03-12 17:31:00,830 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 89 [2021-03-12 17:31:01,052 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 81 [2021-03-12 17:31:01,300 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 89 [2021-03-12 17:31:01,508 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 81 [2021-03-12 17:31:01,757 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 89 [2021-03-12 17:31:01,963 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 81 [2021-03-12 17:31:02,224 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 89 [2021-03-12 17:31:02,465 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 81 [2021-03-12 17:31:02,680 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 81 [2021-03-12 17:31:02,889 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 81 [2021-03-12 17:31:03,108 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 81 [2021-03-12 17:31:03,311 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 79 [2021-03-12 17:31:03,599 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 109 [2021-03-12 17:31:03,798 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 78 [2021-03-12 17:31:04,099 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 108 [2021-03-12 17:31:04,299 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 78 [2021-03-12 17:31:04,577 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 108 [2021-03-12 17:31:04,781 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 78 [2021-03-12 17:31:05,065 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 108 [2021-03-12 17:31:05,270 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 78 [2021-03-12 17:31:05,578 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 107 [2021-03-12 17:31:05,787 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 78 [2021-03-12 17:31:06,104 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 105 [2021-03-12 17:31:06,319 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 78 [2021-03-12 17:31:06,589 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 103 [2021-03-12 17:31:06,804 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 78 [2021-03-12 17:31:07,040 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 86 [2021-03-12 17:31:07,247 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 71 [2021-03-12 17:31:07,452 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-03-12 17:31:07,626 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 66 [2021-03-12 17:31:07,816 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 73 [2021-03-12 17:31:08,039 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 65 [2021-03-12 17:31:08,215 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 62 [2021-03-12 17:31:08,445 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 71 [2021-03-12 17:31:08,622 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 69 [2021-03-12 17:31:08,867 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 75 [2021-03-12 17:31:09,241 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 95 [2021-03-12 17:31:10,146 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 61 [2021-03-12 17:31:10,378 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 66 [2021-03-12 17:31:10,588 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 73 [2021-03-12 17:31:10,809 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 71 [2021-03-12 17:31:11,044 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 78 [2021-03-12 17:31:11,270 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 75 [2021-03-12 17:31:11,514 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 83 [2021-03-12 17:31:11,748 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 63 [2021-03-12 17:31:11,922 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 60 [2021-03-12 17:31:12,097 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 63 [2021-03-12 17:31:12,268 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 67 [2021-03-12 17:31:12,435 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-03-12 17:31:12,871 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 80 [2021-03-12 17:31:13,055 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 67 [2021-03-12 17:31:13,532 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 87 [2021-03-12 17:31:13,882 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 86 [2021-03-12 17:31:14,170 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 75 [2021-03-12 17:31:14,536 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 93 [2021-03-12 17:31:14,833 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 82 [2021-03-12 17:31:15,159 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 81 [2021-03-12 17:31:15,586 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 88 [2021-03-12 17:31:17,141 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 17:31:17,515 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2021-03-12 17:31:17,760 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2021-03-12 17:31:18,076 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 68 [2021-03-12 17:31:18,299 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 75 [2021-03-12 17:31:18,592 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 67 [2021-03-12 17:31:18,851 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 66 [2021-03-12 17:31:19,127 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 74 [2021-03-12 17:31:19,365 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 70 [2021-03-12 17:31:19,915 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 90 [2021-03-12 17:31:20,161 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 78 [2021-03-12 17:31:20,768 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 98 [2021-03-12 17:31:21,209 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 95 [2021-03-12 17:31:21,737 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 86 [2021-03-12 17:31:22,124 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 84 [2021-03-12 17:31:22,610 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 103 [2021-03-12 17:31:22,973 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 93 [2021-03-12 17:31:23,353 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 92 [2021-03-12 17:31:24,574 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2021-03-12 17:31:24,801 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2021-03-12 17:31:25,131 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 69 [2021-03-12 17:31:25,355 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 66 [2021-03-12 17:31:25,585 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 73 [2021-03-12 17:31:25,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 17:31:25,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 17:31:25,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:31:25,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 17:31:25,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-03-12 17:31:25,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-03-12 17:31:25,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-03-12 17:31:25,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-03-12 17:31:25,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-03-12 17:31:25,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-12 17:31:25,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-03-12 17:31:25,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-03-12 17:31:25,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-03-12 17:31:25,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-03-12 17:31:25,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2021-03-12 17:31:25,959 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable224 [2021-03-12 17:31:25,960 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 17:31:25,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 17:31:25,960 INFO L82 PathProgramCache]: Analyzing trace with hash 476814656, now seen corresponding path program 16 times [2021-03-12 17:31:25,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 17:31:25,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032489901] [2021-03-12 17:31:25,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 17:31:26,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 17:31:27,068 INFO L134 CoverageAnalysis]: Checked inductivity of 7076 backedges. 4336 proven. 2033 refuted. 0 times theorem prover too weak. 707 trivial. 0 not checked. [2021-03-12 17:31:27,069 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032489901] [2021-03-12 17:31:27,069 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1284311322] [2021-03-12 17:31:27,069 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 [2021-03-12 17:31:27,258 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 17:31:27,258 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 17:31:27,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 735 conjuncts, 115 conjunts are in the unsatisfiable core [2021-03-12 17:31:27,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 17:31:28,968 INFO L134 CoverageAnalysis]: Checked inductivity of 7076 backedges. 1637 proven. 4910 refuted. 0 times theorem prover too weak. 529 trivial. 0 not checked. [2021-03-12 17:31:28,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 17:31:28,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 35] total 76 [2021-03-12 17:31:28,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822314677] [2021-03-12 17:31:28,969 INFO L460 AbstractCegarLoop]: Interpolant automaton has 77 states [2021-03-12 17:31:28,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 17:31:28,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2021-03-12 17:31:28,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1134, Invalid=4718, Unknown=0, NotChecked=0, Total=5852 [2021-03-12 17:31:28,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 17:31:28,970 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 17:31:28,971 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 77 states, 77 states have (on average 3.727272727272727) internal successors, (287), 76 states have internal predecessors, (287), 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) [2021-03-12 17:31:28,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 17:31:28,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 17:31:28,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:31:28,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 17:31:28,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-03-12 17:31:28,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-03-12 17:31:28,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-03-12 17:31:28,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-03-12 17:31:28,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-03-12 17:31:28,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-12 17:31:28,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-03-12 17:31:28,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-03-12 17:31:28,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-03-12 17:31:28,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-03-12 17:31:28,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2021-03-12 17:31:28,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 17:31:31,564 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 89 [2021-03-12 17:31:31,866 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 89 [2021-03-12 17:31:32,171 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 89 [2021-03-12 17:31:32,469 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 89 [2021-03-12 17:31:32,784 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 87 [2021-03-12 17:31:33,143 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 86 [2021-03-12 17:31:33,463 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 86 [2021-03-12 17:31:33,800 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 86 [2021-03-12 17:31:34,115 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 86 [2021-03-12 17:31:34,442 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 86 [2021-03-12 17:31:34,777 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 86 [2021-03-12 17:31:35,131 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 68 [2021-03-12 17:31:35,615 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 88 [2021-03-12 17:31:36,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 17:31:36,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 17:31:36,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:31:36,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 17:31:36,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-03-12 17:31:36,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-03-12 17:31:36,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-03-12 17:31:36,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-03-12 17:31:36,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-03-12 17:31:36,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-12 17:31:36,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-03-12 17:31:36,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-03-12 17:31:36,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-03-12 17:31:36,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-03-12 17:31:36,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2021-03-12 17:31:36,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2021-03-12 17:31:36,856 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable331 [2021-03-12 17:31:36,856 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 17:31:36,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 17:31:36,856 INFO L82 PathProgramCache]: Analyzing trace with hash -1050406082, now seen corresponding path program 17 times [2021-03-12 17:31:36,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 17:31:36,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442714046] [2021-03-12 17:31:36,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 17:31:36,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 17:31:47,294 INFO L134 CoverageAnalysis]: Checked inductivity of 10769 backedges. 6888 proven. 3881 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 17:31:47,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442714046] [2021-03-12 17:31:47,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1599308534] [2021-03-12 17:31:47,294 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 [2021-03-12 17:32:29,141 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 73 check-sat command(s) [2021-03-12 17:32:29,141 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 17:32:29,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 846 conjuncts, 127 conjunts are in the unsatisfiable core [2021-03-12 17:32:29,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 17:32:43,162 INFO L134 CoverageAnalysis]: Checked inductivity of 10769 backedges. 6924 proven. 3634 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2021-03-12 17:32:43,162 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 17:32:43,162 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [158, 111] total 268 [2021-03-12 17:32:43,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634824696] [2021-03-12 17:32:43,163 INFO L460 AbstractCegarLoop]: Interpolant automaton has 269 states [2021-03-12 17:32:43,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 17:32:43,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 269 interpolants. [2021-03-12 17:32:43,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10965, Invalid=61127, Unknown=0, NotChecked=0, Total=72092 [2021-03-12 17:32:43,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 17:32:43,172 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 17:32:43,173 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 269 states, 269 states have (on average 2.453531598513011) internal successors, (660), 268 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) [2021-03-12 17:32:43,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 17:32:43,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 17:32:43,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:32:43,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 17:32:43,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-03-12 17:32:43,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-03-12 17:32:43,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-03-12 17:32:43,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-03-12 17:32:43,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-03-12 17:32:43,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-12 17:32:43,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-03-12 17:32:43,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-03-12 17:32:43,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-03-12 17:32:43,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-03-12 17:32:43,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2021-03-12 17:32:43,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2021-03-12 17:32:43,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 17:32:48,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 17:32:48,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 17:32:48,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:32:48,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 17:32:48,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-03-12 17:32:48,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-03-12 17:32:48,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-03-12 17:32:48,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-03-12 17:32:48,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-03-12 17:32:48,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-12 17:32:48,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-03-12 17:32:48,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-03-12 17:32:48,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-03-12 17:32:48,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-03-12 17:32:48,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2021-03-12 17:32:48,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2021-03-12 17:32:48,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-03-12 17:32:48,673 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable332 [2021-03-12 17:32:48,673 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 17:32:48,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 17:32:48,674 INFO L82 PathProgramCache]: Analyzing trace with hash -487548970, now seen corresponding path program 18 times [2021-03-12 17:32:48,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 17:32:48,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619440382] [2021-03-12 17:32:48,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 17:32:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 17:32:51,701 INFO L134 CoverageAnalysis]: Checked inductivity of 50114 backedges. 21230 proven. 28163 refuted. 0 times theorem prover too weak. 721 trivial. 0 not checked. [2021-03-12 17:32:51,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619440382] [2021-03-12 17:32:51,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1691116080] [2021-03-12 17:32:51,702 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 [2021-03-12 17:33:37,093 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 151 check-sat command(s) [2021-03-12 17:33:37,094 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 17:33:37,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 1691 conjuncts, 160 conjunts are in the unsatisfiable core [2021-03-12 17:33:37,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 17:33:45,443 INFO L134 CoverageAnalysis]: Checked inductivity of 50114 backedges. 10352 proven. 36862 refuted. 0 times theorem prover too weak. 2900 trivial. 0 not checked. [2021-03-12 17:33:45,443 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 17:33:45,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [78, 88] total 165 [2021-03-12 17:33:45,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518222209] [2021-03-12 17:33:45,445 INFO L460 AbstractCegarLoop]: Interpolant automaton has 166 states [2021-03-12 17:33:45,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 17:33:45,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 166 interpolants. [2021-03-12 17:33:45,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3653, Invalid=23737, Unknown=0, NotChecked=0, Total=27390 [2021-03-12 17:33:45,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 17:33:45,448 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 17:33:45,448 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 166 states, 166 states have (on average 4.156626506024097) internal successors, (690), 165 states have internal predecessors, (690), 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) [2021-03-12 17:33:45,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 17:33:45,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 17:33:45,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:33:45,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 17:33:45,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-03-12 17:33:45,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-03-12 17:33:45,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-03-12 17:33:45,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-03-12 17:33:45,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-03-12 17:33:45,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-12 17:33:45,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-03-12 17:33:45,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-03-12 17:33:45,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-03-12 17:33:45,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-03-12 17:33:45,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2021-03-12 17:33:45,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2021-03-12 17:33:45,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-03-12 17:33:45,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 17:33:51,568 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2021-03-12 17:33:51,763 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 51 [2021-03-12 17:33:52,000 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 53 [2021-03-12 17:33:52,209 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 55 [2021-03-12 17:33:52,446 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2021-03-12 17:33:52,667 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 59 [2021-03-12 17:33:52,918 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 61 [2021-03-12 17:33:53,168 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 64 [2021-03-12 17:33:53,497 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 66 [2021-03-12 17:33:53,781 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 69 [2021-03-12 17:33:54,115 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 74 [2021-03-12 17:33:54,464 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 74 [2021-03-12 17:33:54,830 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 74 [2021-03-12 17:33:55,191 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 74 [2021-03-12 17:33:55,554 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 74 [2021-03-12 17:33:55,946 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 74 [2021-03-12 17:34:02,678 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 74 [2021-03-12 17:34:03,096 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 74 [2021-03-12 17:34:03,476 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 74 [2021-03-12 17:34:03,873 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 74 [2021-03-12 17:34:04,274 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 71 [2021-03-12 17:34:04,770 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 70 [2021-03-12 17:34:05,194 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 70 [2021-03-12 17:34:05,640 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 70 [2021-03-12 17:34:06,090 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 70 [2021-03-12 17:34:06,555 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 70 [2021-03-12 17:34:07,023 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 70 [2021-03-12 17:34:07,513 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 70 [2021-03-12 17:34:07,978 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 63 [2021-03-12 17:34:08,455 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 59 [2021-03-12 17:34:08,960 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 58 [2021-03-12 17:34:09,469 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2021-03-12 17:34:12,422 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 56 [2021-03-12 17:34:12,837 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 60 [2021-03-12 17:34:15,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 17:34:15,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 17:34:15,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:34:15,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 17:34:15,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-03-12 17:34:15,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-03-12 17:34:15,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-03-12 17:34:15,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-03-12 17:34:15,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-03-12 17:34:15,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-12 17:34:15,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-03-12 17:34:15,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-03-12 17:34:15,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-03-12 17:34:15,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-03-12 17:34:15,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2021-03-12 17:34:15,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2021-03-12 17:34:15,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2021-03-12 17:34:15,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2021-03-12 17:34:15,435 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable333 [2021-03-12 17:34:15,435 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 17:34:15,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 17:34:15,435 INFO L82 PathProgramCache]: Analyzing trace with hash -1832416440, now seen corresponding path program 19 times [2021-03-12 17:34:15,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 17:34:15,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073919971] [2021-03-12 17:34:15,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 17:34:15,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 17:34:35,205 INFO L134 CoverageAnalysis]: Checked inductivity of 12918 backedges. 7885 proven. 5033 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 17:34:35,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073919971] [2021-03-12 17:34:35,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [809637445] [2021-03-12 17:34:35,205 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 [2021-03-12 17:34:35,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 17:34:35,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 968 conjuncts, 101 conjunts are in the unsatisfiable core [2021-03-12 17:34:35,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 17:34:59,011 INFO L134 CoverageAnalysis]: Checked inductivity of 12918 backedges. 7431 proven. 2401 refuted. 0 times theorem prover too weak. 3086 trivial. 0 not checked. [2021-03-12 17:34:59,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 17:34:59,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [196, 101] total 296 [2021-03-12 17:34:59,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268953873] [2021-03-12 17:34:59,012 INFO L460 AbstractCegarLoop]: Interpolant automaton has 297 states [2021-03-12 17:34:59,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 17:34:59,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 297 interpolants. [2021-03-12 17:34:59,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10832, Invalid=77080, Unknown=0, NotChecked=0, Total=87912 [2021-03-12 17:34:59,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 17:34:59,018 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 17:34:59,019 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 297 states, 297 states have (on average 2.1043771043771042) internal successors, (625), 296 states have internal predecessors, (625), 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) [2021-03-12 17:34:59,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 17:34:59,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 17:34:59,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:34:59,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 17:34:59,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-03-12 17:34:59,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-03-12 17:34:59,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-03-12 17:34:59,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-03-12 17:34:59,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-03-12 17:34:59,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-12 17:34:59,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-03-12 17:34:59,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-03-12 17:34:59,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-03-12 17:34:59,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-03-12 17:34:59,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 199 states. [2021-03-12 17:34:59,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states. [2021-03-12 17:34:59,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2021-03-12 17:34:59,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2021-03-12 17:34:59,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 17:35:13,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 17:35:13,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 17:35:13,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:35:13,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 17:35:13,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-03-12 17:35:13,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-03-12 17:35:13,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-03-12 17:35:13,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-03-12 17:35:13,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-03-12 17:35:13,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-12 17:35:13,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-03-12 17:35:13,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-03-12 17:35:13,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-03-12 17:35:13,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-03-12 17:35:13,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2021-03-12 17:35:13,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2021-03-12 17:35:13,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2021-03-12 17:35:13,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2021-03-12 17:35:13,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-03-12 17:35:14,024 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable334 [2021-03-12 17:35:14,025 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 17:35:14,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 17:35:14,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1542821334, now seen corresponding path program 20 times [2021-03-12 17:35:14,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 17:35:14,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285384801] [2021-03-12 17:35:14,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 17:35:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 17:35:19,522 INFO L134 CoverageAnalysis]: Checked inductivity of 26934 backedges. 4069 proven. 20208 refuted. 0 times theorem prover too weak. 2657 trivial. 0 not checked. [2021-03-12 17:35:19,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285384801] [2021-03-12 17:35:19,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [40998402] [2021-03-12 17:35:19,522 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 [2021-03-12 17:35:19,799 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 17:35:19,799 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 17:35:19,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 1366 conjuncts, 151 conjunts are in the unsatisfiable core [2021-03-12 17:35:19,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 17:35:37,926 INFO L134 CoverageAnalysis]: Checked inductivity of 26934 backedges. 13182 proven. 9300 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2021-03-12 17:35:37,926 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 17:35:37,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [80, 101] total 180 [2021-03-12 17:35:37,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120851516] [2021-03-12 17:35:37,928 INFO L460 AbstractCegarLoop]: Interpolant automaton has 181 states [2021-03-12 17:35:37,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 17:35:37,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2021-03-12 17:35:37,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4942, Invalid=27638, Unknown=0, NotChecked=0, Total=32580 [2021-03-12 17:35:37,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 17:35:37,930 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 17:35:37,931 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 181 states, 181 states have (on average 3.4917127071823204) internal successors, (632), 180 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) [2021-03-12 17:35:37,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 17:35:37,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 17:35:37,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:35:37,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 17:35:37,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-03-12 17:35:37,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-03-12 17:35:37,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-03-12 17:35:37,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-03-12 17:35:37,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-03-12 17:35:37,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-12 17:35:37,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-03-12 17:35:37,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-03-12 17:35:37,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-03-12 17:35:37,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-03-12 17:35:37,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 199 states. [2021-03-12 17:35:37,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states. [2021-03-12 17:35:37,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2021-03-12 17:35:37,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2021-03-12 17:35:37,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-03-12 17:35:37,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 17:36:31,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 17:36:31,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 17:36:31,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:36:31,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 17:36:31,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-03-12 17:36:31,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-03-12 17:36:31,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-03-12 17:36:31,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-03-12 17:36:31,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-03-12 17:36:31,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-12 17:36:31,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-03-12 17:36:31,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-03-12 17:36:31,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-03-12 17:36:31,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-03-12 17:36:31,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2021-03-12 17:36:31,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2021-03-12 17:36:31,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2021-03-12 17:36:31,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2021-03-12 17:36:31,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-03-12 17:36:31,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 335 states. [2021-03-12 17:36:32,196 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable335 [2021-03-12 17:36:32,196 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 17:36:32,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 17:36:32,197 INFO L82 PathProgramCache]: Analyzing trace with hash 460537752, now seen corresponding path program 21 times [2021-03-12 17:36:32,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 17:36:32,197 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109078424] [2021-03-12 17:36:32,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 17:36:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 17:36:45,437 INFO L134 CoverageAnalysis]: Checked inductivity of 27702 backedges. 21196 proven. 4921 refuted. 0 times theorem prover too weak. 1585 trivial. 0 not checked. [2021-03-12 17:36:45,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109078424] [2021-03-12 17:36:45,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113357008] [2021-03-12 17:36:45,437 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 [2021-03-12 17:36:45,847 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 57 check-sat command(s) [2021-03-12 17:36:45,848 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 17:36:45,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 119 conjunts are in the unsatisfiable core [2021-03-12 17:36:45,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 17:36:50,999 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-03-12 17:36:51,771 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-03-12 17:36:52,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:52,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:52,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:52,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:52,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:52,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:52,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:52,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:52,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:52,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:52,167 INFO L244 Elim1Store]: Index analysis took 138 ms [2021-03-12 17:36:52,286 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-03-12 17:36:52,287 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 17:36:52,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 59 treesize of output 79 [2021-03-12 17:36:52,394 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-12 17:36:52,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:52,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:52,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:52,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:52,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:52,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:52,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:52,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:52,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:52,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:52,602 INFO L244 Elim1Store]: Index analysis took 173 ms [2021-03-12 17:36:52,620 INFO L354 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2021-03-12 17:36:52,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 59 treesize of output 1 [2021-03-12 17:36:52,625 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-12 17:36:52,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:52,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:52,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:52,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:52,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:52,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:52,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:52,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:52,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:52,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:52,792 INFO L244 Elim1Store]: Index analysis took 150 ms [2021-03-12 17:36:52,813 INFO L354 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2021-03-12 17:36:52,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 1 [2021-03-12 17:36:52,819 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-12 17:36:52,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:52,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:52,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:52,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:52,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:52,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:52,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:52,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:52,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:52,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:52,980 INFO L244 Elim1Store]: Index analysis took 143 ms [2021-03-12 17:36:53,001 INFO L354 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2021-03-12 17:36:53,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 59 treesize of output 1 [2021-03-12 17:36:53,006 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-03-12 17:36:53,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,146 INFO L244 Elim1Store]: Index analysis took 122 ms [2021-03-12 17:36:53,162 INFO L354 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2021-03-12 17:36:53,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 59 treesize of output 1 [2021-03-12 17:36:53,166 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-03-12 17:36:53,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,306 INFO L244 Elim1Store]: Index analysis took 125 ms [2021-03-12 17:36:53,324 INFO L354 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2021-03-12 17:36:53,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 1 [2021-03-12 17:36:53,328 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-03-12 17:36:53,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,477 INFO L244 Elim1Store]: Index analysis took 133 ms [2021-03-12 17:36:53,496 INFO L354 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2021-03-12 17:36:53,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 1 [2021-03-12 17:36:53,500 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-03-12 17:36:53,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,670 INFO L244 Elim1Store]: Index analysis took 153 ms [2021-03-12 17:36:53,687 INFO L354 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2021-03-12 17:36:53,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 43 treesize of output 1 [2021-03-12 17:36:53,691 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-03-12 17:36:53,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,856 INFO L244 Elim1Store]: Index analysis took 147 ms [2021-03-12 17:36:53,875 INFO L354 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2021-03-12 17:36:53,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 59 treesize of output 1 [2021-03-12 17:36:53,881 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-03-12 17:36:53,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:53,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,043 INFO L244 Elim1Store]: Index analysis took 141 ms [2021-03-12 17:36:54,062 INFO L354 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2021-03-12 17:36:54,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 1 [2021-03-12 17:36:54,067 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-03-12 17:36:54,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,232 INFO L244 Elim1Store]: Index analysis took 146 ms [2021-03-12 17:36:54,252 INFO L354 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2021-03-12 17:36:54,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 47 treesize of output 1 [2021-03-12 17:36:54,256 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-03-12 17:36:54,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,419 INFO L244 Elim1Store]: Index analysis took 145 ms [2021-03-12 17:36:54,439 INFO L354 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2021-03-12 17:36:54,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 1 [2021-03-12 17:36:54,444 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-03-12 17:36:54,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,607 INFO L244 Elim1Store]: Index analysis took 146 ms [2021-03-12 17:36:54,627 INFO L354 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2021-03-12 17:36:54,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 1 [2021-03-12 17:36:54,632 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-03-12 17:36:54,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,795 INFO L244 Elim1Store]: Index analysis took 145 ms [2021-03-12 17:36:54,817 INFO L354 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2021-03-12 17:36:54,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 59 treesize of output 1 [2021-03-12 17:36:54,823 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-03-12 17:36:54,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:54,985 INFO L244 Elim1Store]: Index analysis took 144 ms [2021-03-12 17:36:55,013 INFO L354 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2021-03-12 17:36:55,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 59 treesize of output 1 [2021-03-12 17:36:55,018 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-03-12 17:36:55,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:55,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:55,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:55,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:55,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:55,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:55,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:55,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:55,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:55,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 17:36:55,121 INFO L354 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2021-03-12 17:36:55,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 59 treesize of output 1 [2021-03-12 17:36:55,125 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-03-12 17:36:55,184 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 17:36:55,187 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-12 17:36:55,187 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 1 variables, input treesize:885, output treesize:33 [2021-03-12 17:37:06,869 INFO L134 CoverageAnalysis]: Checked inductivity of 27702 backedges. 9729 proven. 1351 refuted. 0 times theorem prover too weak. 16622 trivial. 0 not checked. [2021-03-12 17:37:06,869 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 17:37:06,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [127, 38] total 164 [2021-03-12 17:37:06,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315098283] [2021-03-12 17:37:06,870 INFO L460 AbstractCegarLoop]: Interpolant automaton has 164 states [2021-03-12 17:37:06,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 17:37:06,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants. [2021-03-12 17:37:06,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7937, Invalid=18795, Unknown=0, NotChecked=0, Total=26732 [2021-03-12 17:37:06,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 17:37:06,874 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 17:37:06,874 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 164 states, 164 states have (on average 3.25) internal successors, (533), 164 states have internal predecessors, (533), 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) [2021-03-12 17:37:06,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 17:37:06,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 17:37:06,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:37:06,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 17:37:06,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-03-12 17:37:06,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-03-12 17:37:06,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-03-12 17:37:06,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-03-12 17:37:06,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-03-12 17:37:06,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-12 17:37:06,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-03-12 17:37:06,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-03-12 17:37:06,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-03-12 17:37:06,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-03-12 17:37:06,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 199 states. [2021-03-12 17:37:06,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states. [2021-03-12 17:37:06,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2021-03-12 17:37:06,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2021-03-12 17:37:06,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-03-12 17:37:06,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 335 states. [2021-03-12 17:37:06,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 17:37:07,288 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 20 [2021-03-12 17:37:07,844 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 59 [2021-03-12 17:37:08,459 WARN L205 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 61 [2021-03-12 17:37:09,109 WARN L205 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 67 [2021-03-12 17:37:09,816 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2021-03-12 17:37:10,529 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2021-03-12 17:37:11,261 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 65 [2021-03-12 17:37:11,906 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2021-03-12 17:37:12,614 WARN L205 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2021-03-12 17:37:13,449 WARN L205 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 64 [2021-03-12 17:37:13,995 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 51 [2021-03-12 17:37:14,594 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 57 [2021-03-12 17:37:15,388 WARN L205 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 63 [2021-03-12 17:37:16,039 WARN L205 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2021-03-12 17:37:16,741 WARN L205 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2021-03-12 17:37:17,496 WARN L205 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 64 [2021-03-12 17:37:18,206 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2021-03-12 17:37:18,933 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2021-03-12 17:37:19,758 WARN L205 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 65 [2021-03-12 17:37:20,412 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2021-03-12 17:37:21,125 WARN L205 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2021-03-12 17:37:21,852 WARN L205 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 65 [2021-03-12 17:37:22,436 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2021-03-12 17:37:23,108 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2021-03-12 17:37:23,866 WARN L205 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 65 [2021-03-12 17:37:24,415 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2021-03-12 17:37:24,956 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2021-03-12 17:37:25,583 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-03-12 17:37:26,110 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2021-03-12 17:37:26,673 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2021-03-12 17:37:27,294 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 59 [2021-03-12 17:37:27,764 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-03-12 17:37:28,307 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2021-03-12 17:37:28,944 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 57 [2021-03-12 17:37:29,378 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2021-03-12 17:37:29,879 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2021-03-12 17:37:30,470 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 53 [2021-03-12 17:37:31,038 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-03-12 17:37:31,522 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 48 [2021-03-12 17:37:32,291 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2021-03-12 17:37:33,062 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2021-03-12 17:37:33,850 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2021-03-12 17:37:34,704 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2021-03-12 17:37:35,530 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2021-03-12 17:37:36,412 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2021-03-12 17:37:37,295 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2021-03-12 17:37:38,187 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2021-03-12 17:37:39,055 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2021-03-12 17:37:39,917 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2021-03-12 17:37:40,813 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2021-03-12 17:37:41,748 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2021-03-12 17:37:42,719 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2021-03-12 17:37:43,734 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2021-03-12 17:37:44,773 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2021-03-12 17:37:45,825 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2021-03-12 17:37:46,936 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2021-03-12 17:37:48,046 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2021-03-12 17:37:49,116 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2021-03-12 17:37:50,211 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2021-03-12 17:37:51,395 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2021-03-12 17:37:52,559 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2021-03-12 17:37:53,736 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2021-03-12 17:37:54,917 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2021-03-12 17:37:56,132 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2021-03-12 17:37:57,427 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2021-03-12 17:37:58,730 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2021-03-12 17:37:59,987 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2021-03-12 17:38:01,278 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2021-03-12 17:38:02,617 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2021-03-12 17:38:03,987 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2021-03-12 17:38:05,399 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2021-03-12 17:38:06,854 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2021-03-12 17:38:08,302 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2021-03-12 17:38:09,678 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2021-03-12 17:38:11,074 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2021-03-12 17:38:12,549 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2021-03-12 17:38:13,724 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 24 [2021-03-12 17:38:14,450 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 21 [2021-03-12 17:38:15,569 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 25 [2021-03-12 17:38:16,221 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-03-12 17:38:17,009 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 34 [2021-03-12 17:38:17,753 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-03-12 17:38:18,692 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 46 [2021-03-12 17:38:19,638 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 17:38:21,012 WARN L205 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 63 [2021-03-12 17:38:22,596 WARN L205 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 65 [2021-03-12 17:38:24,105 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 94 DAG size of output: 69 [2021-03-12 17:38:25,374 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-03-12 17:38:26,084 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-03-12 17:38:26,706 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 43 [2021-03-12 17:38:27,462 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2021-03-12 17:38:28,171 WARN L205 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 49 [2021-03-12 17:38:29,241 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2021-03-12 17:38:30,217 WARN L205 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 57 [2021-03-12 17:38:31,592 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-03-12 17:38:32,684 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-03-12 17:38:34,290 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2021-03-12 17:38:35,373 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-03-12 17:38:37,001 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 104 DAG size of output: 84 [2021-03-12 17:38:38,975 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-03-12 17:38:40,062 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-03-12 17:38:40,699 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-03-12 17:38:41,741 WARN L205 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-03-12 17:38:43,366 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 105 DAG size of output: 83 [2021-03-12 17:38:45,071 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2021-03-12 17:38:46,913 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-03-12 17:38:48,761 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2021-03-12 17:38:49,437 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-03-12 17:38:50,769 WARN L205 SmtUtils]: Spent 571.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-03-12 17:38:52,385 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 106 DAG size of output: 84 [2021-03-12 17:38:54,097 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2021-03-12 17:38:55,891 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-03-12 17:38:57,685 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2021-03-12 17:38:58,367 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-03-12 17:38:59,473 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-03-12 17:39:01,098 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 107 DAG size of output: 86 [2021-03-12 17:39:02,753 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 84 DAG size of output: 77 [2021-03-12 17:39:04,524 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-03-12 17:39:06,383 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 90 DAG size of output: 83 [2021-03-12 17:39:07,046 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-03-12 17:39:08,177 WARN L205 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-03-12 17:39:09,808 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 108 DAG size of output: 87 [2021-03-12 17:39:11,529 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 87 DAG size of output: 77 [2021-03-12 17:39:13,366 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-03-12 17:39:15,415 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2021-03-12 17:39:16,143 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-03-12 17:39:17,333 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-12 17:39:18,998 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 108 DAG size of output: 87 [2021-03-12 17:39:20,818 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2021-03-12 17:39:22,673 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-03-12 17:39:24,670 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 97 DAG size of output: 85 [2021-03-12 17:39:25,401 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2021-03-12 17:39:26,658 WARN L205 SmtUtils]: Spent 569.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-12 17:39:28,492 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 108 DAG size of output: 87 [2021-03-12 17:39:30,325 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 92 DAG size of output: 79 [2021-03-12 17:39:33,283 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 98 DAG size of output: 86 [2021-03-12 17:39:34,090 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2021-03-12 17:39:35,605 WARN L205 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 67 [2021-03-12 17:39:37,411 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 72 DAG size of output: 57 [2021-03-12 17:39:38,544 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 40 [2021-03-12 17:39:38,977 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 16 [2021-03-12 17:39:39,464 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 22 [2021-03-12 17:39:39,958 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 30 [2021-03-12 17:39:40,286 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 16 [2021-03-12 17:39:40,778 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 23 [2021-03-12 17:39:41,235 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 31 [2021-03-12 17:39:41,546 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 16 [2021-03-12 17:39:41,976 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 23 [2021-03-12 17:39:42,472 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 31 [2021-03-12 17:39:43,357 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 28 [2021-03-12 17:39:44,286 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2021-03-12 17:39:45,240 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2021-03-12 17:39:46,253 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 28 [2021-03-12 17:39:47,282 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 28 [2021-03-12 17:39:48,340 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 28 [2021-03-12 17:39:49,390 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2021-03-12 17:39:50,474 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2021-03-12 17:39:51,588 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2021-03-12 17:39:52,728 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2021-03-12 17:39:54,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 17:39:54,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 17:39:54,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:39:54,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 17:39:54,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-03-12 17:39:54,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-03-12 17:39:54,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-03-12 17:39:54,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-03-12 17:39:54,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-03-12 17:39:54,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-12 17:39:54,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-03-12 17:39:54,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-03-12 17:39:54,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-03-12 17:39:54,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-03-12 17:39:54,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2021-03-12 17:39:54,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2021-03-12 17:39:54,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2021-03-12 17:39:54,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2021-03-12 17:39:54,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-03-12 17:39:54,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 335 states. [2021-03-12 17:39:54,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 270 states. [2021-03-12 17:39:54,582 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable336,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 17:39:54,583 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 17:39:54,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 17:39:54,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1082829362, now seen corresponding path program 22 times [2021-03-12 17:39:54,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 17:39:54,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718750627] [2021-03-12 17:39:54,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 17:39:54,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 17:40:37,513 INFO L134 CoverageAnalysis]: Checked inductivity of 40361 backedges. 24352 proven. 14414 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2021-03-12 17:40:37,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718750627] [2021-03-12 17:40:37,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108244072] [2021-03-12 17:40:37,514 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 [2021-03-12 17:40:37,785 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 17:40:37,785 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 17:40:37,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 1650 conjuncts, 275 conjunts are in the unsatisfiable core [2021-03-12 17:40:37,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 17:40:49,723 INFO L134 CoverageAnalysis]: Checked inductivity of 40361 backedges. 24396 proven. 14370 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2021-03-12 17:40:49,723 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 17:40:49,724 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [181, 180] total 181 [2021-03-12 17:40:49,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626554512] [2021-03-12 17:40:49,724 INFO L460 AbstractCegarLoop]: Interpolant automaton has 182 states [2021-03-12 17:40:49,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 17:40:49,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 182 interpolants. [2021-03-12 17:40:49,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9524, Invalid=23418, Unknown=0, NotChecked=0, Total=32942 [2021-03-12 17:40:49,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 17:40:49,727 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 17:40:49,727 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 182 states, 182 states have (on average 2.9615384615384617) internal successors, (539), 181 states have internal predecessors, (539), 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) [2021-03-12 17:40:49,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 17:40:49,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 17:40:49,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:40:49,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 17:40:49,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-03-12 17:40:49,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-03-12 17:40:49,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-03-12 17:40:49,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-03-12 17:40:49,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-03-12 17:40:49,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-12 17:40:49,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-03-12 17:40:49,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-03-12 17:40:49,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-03-12 17:40:49,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-03-12 17:40:49,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 199 states. [2021-03-12 17:40:49,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states. [2021-03-12 17:40:49,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2021-03-12 17:40:49,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2021-03-12 17:40:49,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-03-12 17:40:49,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 335 states. [2021-03-12 17:40:49,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 270 states. [2021-03-12 17:40:49,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 17:40:51,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 17:40:51,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 17:40:51,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 17:40:51,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 17:40:51,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-03-12 17:40:51,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-03-12 17:40:51,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-03-12 17:40:51,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-03-12 17:40:51,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-03-12 17:40:51,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-12 17:40:51,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-03-12 17:40:51,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-03-12 17:40:51,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-03-12 17:40:51,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-03-12 17:40:51,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2021-03-12 17:40:51,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2021-03-12 17:40:51,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2021-03-12 17:40:51,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2021-03-12 17:40:51,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-03-12 17:40:51,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 335 states. [2021-03-12 17:40:51,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 270 states. [2021-03-12 17:40:51,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-03-12 17:40:52,090 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable384,24 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 17:40:52,091 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 17:40:52,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 17:40:52,091 INFO L82 PathProgramCache]: Analyzing trace with hash 2137972496, now seen corresponding path program 23 times [2021-03-12 17:40:52,091 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 17:40:52,091 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219435695] [2021-03-12 17:40:52,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 17:40:52,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 17:41:30,916 INFO L134 CoverageAnalysis]: Checked inductivity of 40616 backedges. 24396 proven. 14625 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2021-03-12 17:41:30,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219435695] [2021-03-12 17:41:30,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [605171446] [2021-03-12 17:41:30,917 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 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown