/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-SemanticLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-13 00:36:32,480 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-13 00:36:32,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-13 00:36:32,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-13 00:36:32,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-13 00:36:32,518 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-13 00:36:32,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-13 00:36:32,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-13 00:36:32,528 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-13 00:36:32,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-13 00:36:32,533 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-13 00:36:32,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-13 00:36:32,535 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-13 00:36:32,536 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-13 00:36:32,537 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-13 00:36:32,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-13 00:36:32,540 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-13 00:36:32,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-13 00:36:32,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-13 00:36:32,549 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-13 00:36:32,550 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-13 00:36:32,551 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-13 00:36:32,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-13 00:36:32,553 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-13 00:36:32,557 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-13 00:36:32,558 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-13 00:36:32,558 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-13 00:36:32,559 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-13 00:36:32,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-13 00:36:32,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-13 00:36:32,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-13 00:36:32,561 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-13 00:36:32,562 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-13 00:36:32,562 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-13 00:36:32,563 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-13 00:36:32,563 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-13 00:36:32,563 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-13 00:36:32,564 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-13 00:36:32,564 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-13 00:36:32,564 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-13 00:36:32,565 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-13 00:36:32,568 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-SemanticLbe-Delay.epf [2021-03-13 00:36:32,597 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-13 00:36:32,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-13 00:36:32,597 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-13 00:36:32,597 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-13 00:36:32,600 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-13 00:36:32,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-13 00:36:32,600 INFO L138 SettingsManager]: * Use SBE=true [2021-03-13 00:36:32,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-13 00:36:32,600 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-13 00:36:32,600 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-13 00:36:32,601 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-13 00:36:32,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-13 00:36:32,601 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-13 00:36:32,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-13 00:36:32,601 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-13 00:36:32,601 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-13 00:36:32,602 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-13 00:36:32,602 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-13 00:36:32,602 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-13 00:36:32,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-13 00:36:32,602 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-13 00:36:32,602 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-13 00:36:32,602 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-13 00:36:32,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-13 00:36:32,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-13 00:36:32,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-13 00:36:32,603 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-13 00:36:32,603 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-13 00:36:32,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-13 00:36:32,603 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-13 00:36:32,603 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-13 00:36:32,603 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-13 00:36:32,604 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-13 00:36:32,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-13 00:36:32,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-13 00:36:32,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-13 00:36:32,883 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-13 00:36:32,886 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-13 00:36:32,887 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-2.wvr.bpl [2021-03-13 00:36:32,887 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-2.wvr.bpl' [2021-03-13 00:36:32,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-13 00:36:32,931 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-13 00:36:32,933 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-13 00:36:32,933 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-13 00:36:32,933 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-13 00:36:32,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:36:32" (1/1) ... [2021-03-13 00:36:32,948 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:36:32" (1/1) ... [2021-03-13 00:36:32,953 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-13 00:36:32,954 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-13 00:36:32,955 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-13 00:36:32,955 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-13 00:36:32,960 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:36:32" (1/1) ... [2021-03-13 00:36:32,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:36:32" (1/1) ... [2021-03-13 00:36:32,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:36:32" (1/1) ... [2021-03-13 00:36:32,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:36:32" (1/1) ... [2021-03-13 00:36:32,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:36:32" (1/1) ... [2021-03-13 00:36:32,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:36:32" (1/1) ... [2021-03-13 00:36:32,967 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:36:32" (1/1) ... [2021-03-13 00:36:32,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-13 00:36:32,968 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-13 00:36:32,969 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-13 00:36:32,970 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-13 00:36:32,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:36:32" (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 [2021-03-13 00:36:33,029 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-13 00:36:33,029 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-13 00:36:33,029 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-13 00:36:33,029 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-13 00:36:33,029 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-13 00:36:33,030 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-13 00:36:33,030 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-13 00:36:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-13 00:36:33,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-13 00:36:33,030 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-13 00:36:33,262 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-13 00:36:33,262 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-03-13 00:36:33,263 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-03-13 00:36:33,264 INFO L202 PluginConnector]: Adding new model unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.03 12:36:33 BoogieIcfgContainer [2021-03-13 00:36:33,264 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-13 00:36:33,265 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-13 00:36:33,265 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-13 00:36:33,267 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-13 00:36:33,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 12:36:32" (1/2) ... [2021-03-13 00:36:33,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b6ad738 and model type unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 12:36:33, skipping insertion in model container [2021-03-13 00:36:33,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.03 12:36:33" (2/2) ... [2021-03-13 00:36:33,269 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-2.wvr.bpl [2021-03-13 00:36:33,272 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-13 00:36:33,273 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-13 00:36:33,275 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-13 00:36:33,276 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-13 00:36:33,298 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-03-13 00:36:33,311 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-03-13 00:36:33,346 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-13 00:36:33,346 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-13 00:36:33,346 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-13 00:36:33,347 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-13 00:36:33,347 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-13 00:36:33,347 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-13 00:36:33,347 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-13 00:36:33,347 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-13 00:36:33,357 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-13 00:36:33,358 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 21 places, 16 transitions, 48 flow [2021-03-13 00:36:33,361 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 21 places, 16 transitions, 48 flow [2021-03-13 00:36:33,362 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 21 places, 16 transitions, 48 flow [2021-03-13 00:36:33,387 INFO L129 PetriNetUnfolder]: 2/14 cut-off events. [2021-03-13 00:36:33,387 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-13 00:36:33,391 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23 conditions, 14 events. 2/14 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 7 event pairs, 0 based on Foata normal form. 0/11 useless extension candidates. Maximal degree in co-relation 9. Up to 2 conditions per place. [2021-03-13 00:36:33,392 INFO L116 LiptonReduction]: Number of co-enabled transitions 22 [2021-03-13 00:36:33,477 INFO L131 LiptonReduction]: Checked pairs total: 22 [2021-03-13 00:36:33,478 INFO L133 LiptonReduction]: Total number of compositions: 4 [2021-03-13 00:36:33,508 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:36:33,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:36:33,512 INFO L82 PathProgramCache]: Analyzing trace with hash -1732198446, now seen corresponding path program 1 times [2021-03-13 00:36:33,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:36:33,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482916987] [2021-03-13 00:36:33,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:36:33,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:36:33,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:36:33,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482916987] [2021-03-13 00:36:33,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 00:36:33,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-13 00:36:33,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666077240] [2021-03-13 00:36:33,660 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-13 00:36:33,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:36:33,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-13 00:36:33,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-13 00:36:33,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:36:33,673 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:36:33,674 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2021-03-13 00:36:33,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:36:33,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:33,705 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-13 00:36:33,705 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:36:33,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:36:33,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1044015884, now seen corresponding path program 1 times [2021-03-13 00:36:33,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:36:33,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300926475] [2021-03-13 00:36:33,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:36:33,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:36:33,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:36:33,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300926475] [2021-03-13 00:36:33,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367382781] [2021-03-13 00:36:33,770 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 [2021-03-13 00:36:33,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:36:33,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-13 00:36:33,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 00:36:33,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-13 00:36:33,962 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-13 00:36:33,963 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:36:33,964 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-13 00:36:33,964 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2021-03-13 00:36:33,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:36:33,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 00:36:33,969 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2021-03-13 00:36:33,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679570986] [2021-03-13 00:36:34,002 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-13 00:36:34,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:36:34,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-13 00:36:34,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-13 00:36:34,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:36:34,003 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:36:34,003 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 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) [2021-03-13 00:36:34,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:34,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:36:34,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:34,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:34,260 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 00:36:34,260 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:36:34,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:36:34,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1207314194, now seen corresponding path program 2 times [2021-03-13 00:36:34,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:36:34,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034346606] [2021-03-13 00:36:34,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:36:34,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:36:34,304 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:36:34,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034346606] [2021-03-13 00:36:34,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280125994] [2021-03-13 00:36:34,304 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 [2021-03-13 00:36:34,324 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-13 00:36:34,324 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 00:36:34,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 4 conjunts are in the unsatisfiable core [2021-03-13 00:36:34,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 00:36:34,367 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:36:34,368 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 00:36:34,368 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-03-13 00:36:34,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544779824] [2021-03-13 00:36:34,368 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-13 00:36:34,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:36:34,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-13 00:36:34,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-13 00:36:34,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:36:34,369 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:36:34,369 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 00:36:34,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:34,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:34,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:36:34,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:34,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:34,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:36:34,619 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 00:36:34,620 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:36:34,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:36:34,620 INFO L82 PathProgramCache]: Analyzing trace with hash -1237082655, now seen corresponding path program 1 times [2021-03-13 00:36:34,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:36:34,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550241468] [2021-03-13 00:36:34,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:36:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:36:34,695 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:36:34,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550241468] [2021-03-13 00:36:34,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [307783581] [2021-03-13 00:36:34,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-13 00:36:34,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:36:34,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 20 conjunts are in the unsatisfiable core [2021-03-13 00:36:34,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 00:36:34,866 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:36:34,866 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 18 [2021-03-13 00:36:34,874 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-13 00:36:34,875 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:36:34,875 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-13 00:36:34,876 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-03-13 00:36:34,883 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:36:34,883 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 00:36:34,883 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-03-13 00:36:34,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876112121] [2021-03-13 00:36:34,884 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-13 00:36:34,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:36:34,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-13 00:36:34,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-03-13 00:36:34,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:36:34,885 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:36:34,886 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 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) [2021-03-13 00:36:34,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:34,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:34,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:36:34,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:36:34,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:34,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:34,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:36:34,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:36:35,183 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 00:36:35,184 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:36:35,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:36:35,184 INFO L82 PathProgramCache]: Analyzing trace with hash 1073770599, now seen corresponding path program 2 times [2021-03-13 00:36:35,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:36:35,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378134654] [2021-03-13 00:36:35,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:36:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:36:35,261 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:36:35,262 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378134654] [2021-03-13 00:36:35,262 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1973310114] [2021-03-13 00:36:35,262 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-13 00:36:35,295 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-13 00:36:35,295 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 00:36:35,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 22 conjunts are in the unsatisfiable core [2021-03-13 00:36:35,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 00:36:35,464 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:36:35,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-03-13 00:36:35,475 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-13 00:36:35,476 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:36:35,477 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-13 00:36:35,477 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-03-13 00:36:35,480 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:36:35,480 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 00:36:35,481 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-03-13 00:36:35,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636895826] [2021-03-13 00:36:35,481 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-13 00:36:35,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:36:35,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-13 00:36:35,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-03-13 00:36:35,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:36:35,482 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:36:35,482 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 12 states have (on average 1.75) internal successors, (21), 12 states have internal predecessors, (21), 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) [2021-03-13 00:36:35,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:35,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:35,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:36:35,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:36:35,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:36:35,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:35,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:35,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:36:35,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:36:35,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:36:35,783 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 00:36:35,783 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:36:35,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:36:35,784 INFO L82 PathProgramCache]: Analyzing trace with hash -304222559, now seen corresponding path program 3 times [2021-03-13 00:36:35,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:36:35,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740130125] [2021-03-13 00:36:35,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:36:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:36:35,831 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:36:35,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740130125] [2021-03-13 00:36:35,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [335783504] [2021-03-13 00:36:35,832 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 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 [2021-03-13 00:36:35,857 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-13 00:36:35,858 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 00:36:35,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-13 00:36:35,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 00:36:35,910 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:36:35,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 00:36:35,911 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-03-13 00:36:35,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064939341] [2021-03-13 00:36:35,911 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-13 00:36:35,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:36:35,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-13 00:36:35,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-03-13 00:36:35,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:36:35,912 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:36:35,912 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 00:36:35,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:35,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:35,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:36:35,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:36:35,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:36:35,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:36:35,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:35,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:35,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:36:35,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:36:35,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:36:35,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:36:36,181 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 00:36:36,181 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:36:36,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:36:36,182 INFO L82 PathProgramCache]: Analyzing trace with hash -850081742, now seen corresponding path program 4 times [2021-03-13 00:36:36,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:36:36,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826869938] [2021-03-13 00:36:36,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:36:36,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:36:36,283 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:36:36,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826869938] [2021-03-13 00:36:36,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427216026] [2021-03-13 00:36:36,283 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-13 00:36:36,316 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-13 00:36:36,316 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 00:36:36,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 29 conjunts are in the unsatisfiable core [2021-03-13 00:36:36,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 00:36:36,555 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:36:36,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-03-13 00:36:36,606 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-13 00:36:36,608 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:36:36,608 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-13 00:36:36,608 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-03-13 00:36:36,613 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:36:36,613 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 00:36:36,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-13 00:36:36,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130637427] [2021-03-13 00:36:36,614 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-13 00:36:36,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:36:36,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-13 00:36:36,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2021-03-13 00:36:36,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:36:36,615 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:36:36,615 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 18 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 00:36:36,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:36,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:36,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:36:36,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:36:36,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:36:36,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:36:36,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:36:36,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:36,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:36,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:36:36,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:36:36,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:36:36,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:36:36,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:36:36,969 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-03-13 00:36:36,971 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:36:36,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:36:36,971 INFO L82 PathProgramCache]: Analyzing trace with hash 2043387884, now seen corresponding path program 5 times [2021-03-13 00:36:36,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:36:36,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837868626] [2021-03-13 00:36:36,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:36:36,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:36:37,079 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:36:37,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837868626] [2021-03-13 00:36:37,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1243122601] [2021-03-13 00:36:37,080 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 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 [2021-03-13 00:36:37,101 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-03-13 00:36:37,102 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 00:36:37,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-13 00:36:37,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 00:36:37,310 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:36:37,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 27 treesize of output 99 [2021-03-13 00:36:37,394 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-13 00:36:37,395 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:36:37,396 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-13 00:36:37,396 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-03-13 00:36:37,399 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:36:37,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 00:36:37,399 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-13 00:36:37,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837782902] [2021-03-13 00:36:37,400 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-13 00:36:37,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:36:37,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-13 00:36:37,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2021-03-13 00:36:37,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:36:37,401 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:36:37,401 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 18 states have (on average 1.5) internal successors, (27), 18 states have internal predecessors, (27), 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) [2021-03-13 00:36:37,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:37,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:37,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:36:37,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:36:37,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:36:37,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:36:37,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:36:37,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:36:37,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:37,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:37,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:36:37,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:36:37,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:36:37,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:36:37,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:36:37,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:36:37,719 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-03-13 00:36:37,721 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:36:37,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:36:37,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1546633074, now seen corresponding path program 6 times [2021-03-13 00:36:37,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:36:37,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558466807] [2021-03-13 00:36:37,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:36:37,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:36:37,788 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:36:37,788 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558466807] [2021-03-13 00:36:37,788 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929894751] [2021-03-13 00:36:37,788 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 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 [2021-03-13 00:36:37,812 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-03-13 00:36:37,813 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 00:36:37,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-13 00:36:37,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 00:36:37,865 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:36:37,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 00:36:37,866 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2021-03-13 00:36:37,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199113967] [2021-03-13 00:36:37,867 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-13 00:36:37,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:36:37,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-13 00:36:37,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-03-13 00:36:37,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:36:37,868 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:36:37,868 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 11 states have internal predecessors, (19), 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) [2021-03-13 00:36:37,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:37,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:37,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:36:37,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:36:37,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:36:37,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:36:37,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:36:37,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:36:37,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:36:37,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:37,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:37,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:36:37,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:36:37,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:36:37,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:36:37,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:36:37,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:36:37,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:36:38,197 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-03-13 00:36:38,197 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:36:38,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:36:38,198 INFO L82 PathProgramCache]: Analyzing trace with hash 691868033, now seen corresponding path program 7 times [2021-03-13 00:36:38,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:36:38,198 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686125632] [2021-03-13 00:36:38,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:36:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:36:38,340 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:36:38,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686125632] [2021-03-13 00:36:38,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1962645667] [2021-03-13 00:36:38,340 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 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 [2021-03-13 00:36:38,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:36:38,361 WARN L261 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 38 conjunts are in the unsatisfiable core [2021-03-13 00:36:38,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 00:36:38,674 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:36:38,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 31 treesize of output 142 [2021-03-13 00:36:38,846 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-13 00:36:38,847 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:36:38,847 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-13 00:36:38,847 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-03-13 00:36:38,850 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:36:38,850 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 00:36:38,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2021-03-13 00:36:38,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124269888] [2021-03-13 00:36:38,851 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-03-13 00:36:38,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:36:38,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-03-13 00:36:38,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2021-03-13 00:36:38,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:36:38,852 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:36:38,852 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 24 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 00:36:38,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:38,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:38,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:36:38,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:36:38,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:36:38,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:36:38,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:36:38,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:36:38,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:36:38,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:36:39,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:39,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:39,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:36:39,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:36:39,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:36:39,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:36:39,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:36:39,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:36:39,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:36:39,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-13 00:36:39,263 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-03-13 00:36:39,263 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:36:39,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:36:39,264 INFO L82 PathProgramCache]: Analyzing trace with hash 51865479, now seen corresponding path program 8 times [2021-03-13 00:36:39,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:36:39,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056392966] [2021-03-13 00:36:39,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:36:39,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:36:39,412 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:36:39,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056392966] [2021-03-13 00:36:39,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119577590] [2021-03-13 00:36:39,413 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 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 [2021-03-13 00:36:39,452 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-13 00:36:39,452 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 00:36:39,453 WARN L261 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 40 conjunts are in the unsatisfiable core [2021-03-13 00:36:39,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 00:36:39,791 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:36:39,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 35 treesize of output 193 [2021-03-13 00:36:40,071 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-13 00:36:40,073 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:36:40,073 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-13 00:36:40,073 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:3 [2021-03-13 00:36:40,077 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:36:40,077 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 00:36:40,077 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2021-03-13 00:36:40,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60482394] [2021-03-13 00:36:40,077 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-03-13 00:36:40,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:36:40,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-03-13 00:36:40,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2021-03-13 00:36:40,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:36:40,078 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:36:40,078 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 24 states have (on average 1.375) internal successors, (33), 24 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 00:36:40,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:40,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:40,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:36:40,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:36:40,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:36:40,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:36:40,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:36:40,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:36:40,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:36:40,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-13 00:36:40,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:36:40,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:40,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:40,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:36:40,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:36:40,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:36:40,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:36:40,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:36:40,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:36:40,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:36:40,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-13 00:36:40,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:36:40,514 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable109 [2021-03-13 00:36:40,515 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:36:40,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:36:40,515 INFO L82 PathProgramCache]: Analyzing trace with hash 1686622785, now seen corresponding path program 9 times [2021-03-13 00:36:40,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:36:40,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392275417] [2021-03-13 00:36:40,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:36:40,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:36:40,611 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 21 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:36:40,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392275417] [2021-03-13 00:36:40,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [263099149] [2021-03-13 00:36:40,611 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 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 [2021-03-13 00:36:40,654 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-03-13 00:36:40,654 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 00:36:40,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-13 00:36:40,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 00:36:40,703 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 28 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:36:40,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 00:36:40,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-03-13 00:36:40,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77895491] [2021-03-13 00:36:40,704 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-13 00:36:40,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:36:40,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-13 00:36:40,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2021-03-13 00:36:40,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:36:40,704 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:36:40,705 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 00:36:40,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:40,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:40,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:36:40,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:36:40,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:36:40,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:36:40,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:36:40,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:36:40,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:36:40,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-13 00:36:40,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:36:40,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:36:40,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:40,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:40,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:36:40,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:36:40,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:36:40,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:36:40,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:36:40,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:36:40,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:36:40,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-13 00:36:40,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:36:40,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-13 00:36:41,031 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 00:36:41,031 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:36:41,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:36:41,032 INFO L82 PathProgramCache]: Analyzing trace with hash 736581778, now seen corresponding path program 10 times [2021-03-13 00:36:41,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:36:41,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894114703] [2021-03-13 00:36:41,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:36:41,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:36:41,215 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:36:41,215 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894114703] [2021-03-13 00:36:41,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [884472041] [2021-03-13 00:36:41,216 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 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 [2021-03-13 00:36:41,237 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-13 00:36:41,237 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 00:36:41,238 WARN L261 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 47 conjunts are in the unsatisfiable core [2021-03-13 00:36:41,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 00:36:41,728 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-03-13 00:36:41,729 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:36:41,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-03-13 00:36:42,414 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-13 00:36:42,415 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:36:42,416 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-13 00:36:42,416 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-03-13 00:36:42,419 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:36:42,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 00:36:42,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 29 [2021-03-13 00:36:42,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270156483] [2021-03-13 00:36:42,420 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-03-13 00:36:42,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:36:42,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-03-13 00:36:42,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=854, Unknown=0, NotChecked=0, Total=930 [2021-03-13 00:36:42,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:36:42,421 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:36:42,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 31 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 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) [2021-03-13 00:36:42,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:42,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:42,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:36:42,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:36:42,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:36:42,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:36:42,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:36:42,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:36:42,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:36:42,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-13 00:36:42,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:36:42,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-13 00:36:42,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:36:42,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:42,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:42,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:36:42,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:36:42,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:36:42,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:36:42,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:36:42,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:36:42,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:36:42,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-13 00:36:42,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:36:42,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-13 00:36:42,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-13 00:36:43,011 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable198 [2021-03-13 00:36:43,011 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:36:43,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:36:43,012 INFO L82 PathProgramCache]: Analyzing trace with hash -219677492, now seen corresponding path program 11 times [2021-03-13 00:36:43,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:36:43,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550559618] [2021-03-13 00:36:43,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:36:43,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:36:43,181 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:36:43,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550559618] [2021-03-13 00:36:43,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1106710087] [2021-03-13 00:36:43,182 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 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 [2021-03-13 00:36:43,207 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-03-13 00:36:43,207 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 00:36:43,208 WARN L261 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 49 conjunts are in the unsatisfiable core [2021-03-13 00:36:43,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 00:36:43,708 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-03-13 00:36:43,709 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:36:43,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 43 treesize of output 319 [2021-03-13 00:36:45,249 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-13 00:36:45,250 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:36:45,251 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-13 00:36:45,251 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-03-13 00:36:45,254 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:36:45,254 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 00:36:45,254 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 29 [2021-03-13 00:36:45,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931221869] [2021-03-13 00:36:45,256 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-03-13 00:36:45,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:36:45,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-03-13 00:36:45,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=856, Unknown=0, NotChecked=0, Total=930 [2021-03-13 00:36:45,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:36:45,257 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:36:45,257 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 31 states, 30 states have (on average 1.3) internal successors, (39), 30 states have internal predecessors, (39), 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) [2021-03-13 00:36:45,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:45,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:45,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:36:45,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:36:45,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:36:45,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:36:45,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:36:45,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:36:45,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:36:45,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-13 00:36:45,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:36:45,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-13 00:36:45,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-13 00:36:45,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:36:45,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:45,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:45,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:36:45,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:36:45,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:36:45,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:36:45,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:36:45,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:36:45,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:36:45,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-13 00:36:45,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:36:45,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-13 00:36:45,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-13 00:36:45,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-13 00:36:45,815 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable449,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 00:36:45,816 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:36:45,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:36:45,816 INFO L82 PathProgramCache]: Analyzing trace with hash 201056210, now seen corresponding path program 12 times [2021-03-13 00:36:45,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:36:45,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929503332] [2021-03-13 00:36:45,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:36:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:36:45,923 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 36 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:36:45,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929503332] [2021-03-13 00:36:45,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [457941411] [2021-03-13 00:36:45,923 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 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 [2021-03-13 00:36:45,948 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-03-13 00:36:45,948 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 00:36:45,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 16 conjunts are in the unsatisfiable core [2021-03-13 00:36:45,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 00:36:46,002 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 45 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:36:46,002 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 00:36:46,002 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2021-03-13 00:36:46,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369319161] [2021-03-13 00:36:46,003 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-13 00:36:46,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:36:46,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-13 00:36:46,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2021-03-13 00:36:46,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:36:46,004 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:36:46,004 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 00:36:46,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:46,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:46,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:36:46,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:36:46,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:36:46,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:36:46,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:36:46,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:36:46,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:36:46,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-13 00:36:46,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:36:46,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-13 00:36:46,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-13 00:36:46,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-13 00:36:46,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:36:46,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:46,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:46,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:36:46,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:36:46,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:36:46,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:36:46,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:36:46,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:36:46,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:36:46,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-13 00:36:46,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:36:46,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-13 00:36:46,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-13 00:36:46,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-13 00:36:46,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-13 00:36:46,385 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable970 [2021-03-13 00:36:46,385 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:36:46,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:36:46,386 INFO L82 PathProgramCache]: Analyzing trace with hash 1928658209, now seen corresponding path program 13 times [2021-03-13 00:36:46,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:36:46,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867125432] [2021-03-13 00:36:46,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:36:46,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:36:46,619 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:36:46,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867125432] [2021-03-13 00:36:46,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [273089131] [2021-03-13 00:36:46,620 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 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 [2021-03-13 00:36:46,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:36:46,659 WARN L261 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 56 conjunts are in the unsatisfiable core [2021-03-13 00:36:46,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 00:36:47,395 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-03-13 00:36:47,395 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:36:47,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 19 new quantified variables, introduced 45 case distinctions, treesize of input 47 treesize of output 394 [2021-03-13 00:36:51,402 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 1085 DAG size of output: 603 [2021-03-13 00:36:51,543 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 1478 DAG size of output: 701 [2021-03-13 00:36:51,695 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 1478 DAG size of output: 701 [2021-03-13 00:36:51,843 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 1483 DAG size of output: 698 [2021-03-13 00:36:51,993 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 888 [2021-03-13 00:36:55,572 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 2257 DAG size of output: 1208 [2021-03-13 00:36:55,742 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 2257 DAG size of output: 1208 [2021-03-13 00:36:55,952 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 2259 DAG size of output: 1208 [2021-03-13 00:36:56,076 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 1210 DAG size of output: 701 [2021-03-13 00:36:56,568 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-13 00:36:56,569 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:36:56,569 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-13 00:36:56,569 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-03-13 00:36:56,572 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:36:56,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 00:36:56,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 35 [2021-03-13 00:36:56,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968659098] [2021-03-13 00:36:56,573 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-03-13 00:36:56,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:36:56,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-03-13 00:36:56,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=1241, Unknown=0, NotChecked=0, Total=1332 [2021-03-13 00:36:56,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:36:56,574 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:36:56,574 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 37 states, 36 states have (on average 1.1944444444444444) internal successors, (43), 36 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) [2021-03-13 00:36:56,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:56,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:56,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:36:56,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:36:56,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:36:56,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:36:56,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:36:56,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:36:56,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:36:56,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-13 00:36:56,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:36:56,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-13 00:36:56,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-13 00:36:56,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-13 00:36:56,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-13 00:36:56,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:36:57,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:57,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:36:57,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:36:57,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:36:57,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:36:57,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:36:57,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:36:57,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:36:57,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:36:57,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-13 00:36:57,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:36:57,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-13 00:36:57,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-13 00:36:57,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-13 00:36:57,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-13 00:36:57,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-13 00:36:57,227 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable971 [2021-03-13 00:36:57,227 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:36:57,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:36:57,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1768147289, now seen corresponding path program 14 times [2021-03-13 00:36:57,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:36:57,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135723287] [2021-03-13 00:36:57,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:36:57,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:36:57,445 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:36:57,446 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135723287] [2021-03-13 00:36:57,446 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968067468] [2021-03-13 00:36:57,446 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 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 [2021-03-13 00:36:57,470 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-13 00:36:57,470 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 00:36:57,471 WARN L261 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 58 conjunts are in the unsatisfiable core [2021-03-13 00:36:57,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 00:36:58,186 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-03-13 00:36:58,186 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:36:58,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 21 new quantified variables, introduced 55 case distinctions, treesize of input 51 treesize of output 477 [2021-03-13 00:37:03,187 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 420 [2021-03-13 00:37:05,528 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 1011 DAG size of output: 681 [2021-03-13 00:37:07,382 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 849 DAG size of output: 705 [2021-03-13 00:37:07,637 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 1470 DAG size of output: 1188 [2021-03-13 00:37:07,932 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 1619 DAG size of output: 1227 [2021-03-13 00:37:08,282 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 2285 DAG size of output: 1225 [2021-03-13 00:37:08,705 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 2817 DAG size of output: 1738 [2021-03-13 00:37:10,561 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 3264 DAG size of output: 2055 [2021-03-13 00:37:11,113 WARN L205 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 3617 DAG size of output: 2277 [2021-03-13 00:37:13,420 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 1039 DAG size of output: 765 [2021-03-13 00:37:15,160 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 835 DAG size of output: 775 [2021-03-13 00:37:15,427 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 1491 DAG size of output: 1304 [2021-03-13 00:37:18,366 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 2089 DAG size of output: 1539 [2021-03-13 00:37:18,780 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 2213 DAG size of output: 1647 [2021-03-13 00:37:19,689 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 2674 DAG size of output: 1767 [2021-03-13 00:37:20,198 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 3209 DAG size of output: 2284 [2021-03-13 00:37:20,755 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 3555 DAG size of output: 2587 [2021-03-13 00:37:23,380 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 763 [2021-03-13 00:37:23,540 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 1077 DAG size of output: 756 [2021-03-13 00:37:23,691 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 1098 DAG size of output: 774 [2021-03-13 00:37:24,428 WARN L205 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 4497 DAG size of output: 3222 [2021-03-13 00:37:25,743 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 6099 DAG size of output: 4037 [2021-03-13 00:37:27,148 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 6527 DAG size of output: 4178 [2021-03-13 00:37:29,867 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 7214 DAG size of output: 4671 [2021-03-13 00:37:31,491 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 7644 DAG size of output: 5009 [2021-03-13 00:37:33,108 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 7644 DAG size of output: 5009 [2021-03-13 00:37:34,868 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 7657 DAG size of output: 5022 [2021-03-13 00:37:36,925 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 5024 DAG size of output: 6951 [2021-03-13 00:37:38,882 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 4225 DAG size of output: 5817 [2021-03-13 00:37:40,002 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 3936 DAG size of output: 3639 [2021-03-13 00:37:41,823 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 3441 DAG size of output: 4915 [2021-03-13 00:37:42,874 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 3369 DAG size of output: 3400 [2021-03-13 00:37:44,729 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 3164 DAG size of output: 4663 [2021-03-13 00:37:45,557 WARN L205 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 2817 DAG size of output: 2759 [2021-03-13 00:37:47,435 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 2568 DAG size of output: 3483 [2021-03-13 00:37:48,555 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 2279 DAG size of output: 3278 [2021-03-13 00:37:48,956 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 1929 DAG size of output: 1913 [2021-03-13 00:37:49,305 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 1754 DAG size of output: 1754 [2021-03-13 00:37:49,644 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 1642 DAG size of output: 1642 [2021-03-13 00:37:49,821 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 1347 DAG size of output: 1347 [2021-03-13 00:37:50,561 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 935 [2021-03-13 00:37:50,775 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 818 [2021-03-13 00:37:52,030 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 1006 [2021-03-13 00:37:52,147 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 877 DAG size of output: 877 [2021-03-13 00:37:53,506 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 1715 DAG size of output: 767 [2021-03-13 00:37:53,976 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 2020 DAG size of output: 916 [2021-03-13 00:37:54,162 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 2176 DAG size of output: 1030 [2021-03-13 00:37:54,724 WARN L205 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 2193 DAG size of output: 2186 [2021-03-13 00:37:55,264 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 2032 DAG size of output: 2032 [2021-03-13 00:37:55,936 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 1930 DAG size of output: 1930 [2021-03-13 00:37:56,154 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 1241 DAG size of output: 1241 [2021-03-13 00:37:56,351 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 1080 DAG size of output: 1080 [2021-03-13 00:37:56,508 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 844 DAG size of output: 844 [2021-03-13 00:37:56,631 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 674 [2021-03-13 00:37:58,282 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 1545 DAG size of output: 1545 [2021-03-13 00:37:58,502 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 1152 [2021-03-13 00:37:58,808 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 1005 DAG size of output: 1005 [2021-03-13 00:37:59,117 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 835 DAG size of output: 835 [2021-03-13 00:37:59,266 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 814 DAG size of output: 814 [2021-03-13 00:37:59,394 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 769 [2021-03-13 00:38:00,988 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1954 DAG size of output: 803 [2021-03-13 00:38:01,155 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 2119 DAG size of output: 870 [2021-03-13 00:38:01,343 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 2270 DAG size of output: 981 [2021-03-13 00:38:01,722 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 3632 DAG size of output: 1557 [2021-03-13 00:38:02,171 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 1827 DAG size of output: 1803 [2021-03-13 00:38:02,925 WARN L205 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 1697 DAG size of output: 2477 [2021-03-13 00:38:03,157 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 1218 DAG size of output: 1186 [2021-03-13 00:38:04,370 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 980 DAG size of output: 980 [2021-03-13 00:38:06,192 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 1632 DAG size of output: 1621 [2021-03-13 00:38:06,365 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 1085 DAG size of output: 1085 [2021-03-13 00:38:06,667 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 955 DAG size of output: 955 [2021-03-13 00:38:06,799 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 775 DAG size of output: 775 [2021-03-13 00:38:06,912 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 640 [2021-03-13 00:38:08,222 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 1308 DAG size of output: 1304 [2021-03-13 00:38:08,385 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 1001 DAG size of output: 1001 [2021-03-13 00:38:08,640 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 885 DAG size of output: 885 [2021-03-13 00:38:08,898 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 750 DAG size of output: 750 [2021-03-13 00:38:09,036 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 730 DAG size of output: 730 [2021-03-13 00:38:09,146 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 705 [2021-03-13 00:38:10,345 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1579 DAG size of output: 791 [2021-03-13 00:38:10,598 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 2376 DAG size of output: 1159 [2021-03-13 00:38:11,252 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 2677 DAG size of output: 1277 [2021-03-13 00:38:11,915 WARN L205 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 5640 DAG size of output: 2351 [2021-03-13 00:38:12,620 WARN L205 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 5962 DAG size of output: 2552 [2021-03-13 00:38:13,909 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 8298 DAG size of output: 3947 [2021-03-13 00:38:15,706 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 1076 DAG size of output: 776 [2021-03-13 00:38:15,821 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 1301 DAG size of output: 820 [2021-03-13 00:38:17,253 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 9172 DAG size of output: 4422 [2021-03-13 00:38:18,480 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 10737 DAG size of output: 3616 [2021-03-13 00:38:19,781 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 10966 DAG size of output: 3871 [2021-03-13 00:38:21,275 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 3550 DAG size of output: 4917 [2021-03-13 00:38:22,119 WARN L205 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 3465 DAG size of output: 3191 [2021-03-13 00:38:22,936 WARN L205 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 2997 DAG size of output: 2884 [2021-03-13 00:38:25,177 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 1381 DAG size of output: 930 [2021-03-13 00:38:25,341 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 1601 DAG size of output: 1074 [2021-03-13 00:38:26,616 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 2633 DAG size of output: 3806 [2021-03-13 00:38:27,545 WARN L205 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 2350 DAG size of output: 3155 [2021-03-13 00:38:28,001 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 2147 DAG size of output: 2139 [2021-03-13 00:38:29,266 WARN L205 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 1972 DAG size of output: 2870 [2021-03-13 00:38:29,558 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 1715 DAG size of output: 1715 [2021-03-13 00:38:29,837 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 1575 DAG size of output: 1575 [2021-03-13 00:38:30,319 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 1480 DAG size of output: 1480 [2021-03-13 00:38:31,578 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 1182 DAG size of output: 1182 [2021-03-13 00:38:33,462 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 1579 DAG size of output: 787 [2021-03-13 00:38:33,600 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1781 DAG size of output: 919 [2021-03-13 00:38:33,754 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 1920 DAG size of output: 1017 [2021-03-13 00:38:34,179 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 1924 DAG size of output: 1918 [2021-03-13 00:38:34,568 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 1783 [2021-03-13 00:38:35,010 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 1697 DAG size of output: 1697 [2021-03-13 00:38:35,175 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 1040 DAG size of output: 1040 [2021-03-13 00:38:35,303 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 882 DAG size of output: 882 [2021-03-13 00:38:35,415 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 726 [2021-03-13 00:38:36,742 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 1330 DAG size of output: 1330 [2021-03-13 00:38:37,353 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 1035 [2021-03-13 00:38:37,497 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 886 [2021-03-13 00:38:38,879 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 1748 DAG size of output: 784 [2021-03-13 00:38:39,037 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 1833 DAG size of output: 843 [2021-03-13 00:38:39,197 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 1967 DAG size of output: 938 [2021-03-13 00:38:39,515 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 3166 DAG size of output: 1555 [2021-03-13 00:38:39,880 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 3445 DAG size of output: 1732 [2021-03-13 00:38:40,198 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 1603 DAG size of output: 1589 [2021-03-13 00:38:40,491 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 1456 DAG size of output: 1452 [2021-03-13 00:38:41,012 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 1367 DAG size of output: 1367 [2021-03-13 00:38:41,141 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 871 DAG size of output: 871 [2021-03-13 00:38:43,041 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 1081 DAG size of output: 1081 [2021-03-13 00:38:43,154 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 828 DAG size of output: 828 [2021-03-13 00:38:45,487 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 1732 DAG size of output: 1016 [2021-03-13 00:38:45,674 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 1893 DAG size of output: 1094 [2021-03-13 00:38:46,413 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 2173 DAG size of output: 1309 [2021-03-13 00:38:47,028 WARN L205 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 5017 DAG size of output: 2559 [2021-03-13 00:38:48,084 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 7041 DAG size of output: 3929 [2021-03-13 00:38:49,342 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 8301 DAG size of output: 4690 [2021-03-13 00:38:50,689 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 8530 DAG size of output: 4936 [2021-03-13 00:38:51,808 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 10374 DAG size of output: 3975 [2021-03-13 00:38:54,248 WARN L205 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 19095 DAG size of output: 6530 [2021-03-13 00:38:56,915 WARN L205 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 22145 DAG size of output: 6652 [2021-03-13 00:38:59,582 WARN L205 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 22145 DAG size of output: 6652 [2021-03-13 00:39:02,308 WARN L205 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 22154 DAG size of output: 6661 [2021-03-13 00:39:03,666 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 6658 DAG size of output: 6140 [2021-03-13 00:39:04,724 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 6142 DAG size of output: 4499 [2021-03-13 00:39:05,324 WARN L205 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 4127 DAG size of output: 2597 [2021-03-13 00:39:05,757 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 2592 DAG size of output: 2540 [2021-03-13 00:39:06,203 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 1698 DAG size of output: 2252 [2021-03-13 00:39:06,593 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 1634 DAG size of output: 1837 [2021-03-13 00:39:06,704 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 1050 DAG size of output: 502 [2021-03-13 00:39:08,028 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 1183 DAG size of output: 777 [2021-03-13 00:39:09,192 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 1218 DAG size of output: 743 [2021-03-13 00:39:09,612 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 1862 DAG size of output: 882 [2021-03-13 00:39:09,759 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 1868 DAG size of output: 888 [2021-03-13 00:39:09,959 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 2313 DAG size of output: 1037 [2021-03-13 00:39:10,128 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 2313 DAG size of output: 1037 [2021-03-13 00:39:10,437 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 2320 DAG size of output: 1387 [2021-03-13 00:39:11,534 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-13 00:39:11,536 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:39:11,536 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-13 00:39:11,536 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:51, output treesize:3 [2021-03-13 00:39:11,539 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:39:11,539 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 00:39:11,539 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 35 [2021-03-13 00:39:11,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086057336] [2021-03-13 00:39:11,539 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-03-13 00:39:11,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:39:11,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-03-13 00:39:11,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1243, Unknown=0, NotChecked=0, Total=1332 [2021-03-13 00:39:11,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:39:11,540 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:39:11,540 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 37 states, 36 states have (on average 1.25) internal successors, (45), 36 states have internal predecessors, (45), 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) [2021-03-13 00:39:11,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:39:11,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:39:11,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:39:11,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:39:11,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:39:11,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:39:11,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:39:11,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:39:11,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:39:11,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-13 00:39:11,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:39:11,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-13 00:39:11,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-13 00:39:11,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-13 00:39:11,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-13 00:39:11,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-03-13 00:39:11,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:39:11,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:39:11,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:39:11,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:39:11,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:39:11,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:39:11,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:39:11,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:39:11,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:39:11,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:39:11,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-13 00:39:11,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:39:11,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-13 00:39:11,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-13 00:39:11,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-13 00:39:11,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-13 00:39:11,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-13 00:39:11,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-13 00:39:12,113 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2766 [2021-03-13 00:39:12,114 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:39:12,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:39:12,114 INFO L82 PathProgramCache]: Analyzing trace with hash -405000735, now seen corresponding path program 15 times [2021-03-13 00:39:12,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:39:12,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740647714] [2021-03-13 00:39:12,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:39:12,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:39:12,246 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 55 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:39:12,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740647714] [2021-03-13 00:39:12,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1241147240] [2021-03-13 00:39:12,246 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 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 [2021-03-13 00:39:12,272 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-03-13 00:39:12,272 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 00:39:12,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-13 00:39:12,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 00:39:12,343 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 66 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:39:12,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 00:39:12,344 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 20 [2021-03-13 00:39:12,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634327494] [2021-03-13 00:39:12,344 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-03-13 00:39:12,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:39:12,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-03-13 00:39:12,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2021-03-13 00:39:12,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:39:12,344 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:39:12,345 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 20 states have internal predecessors, (28), 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) [2021-03-13 00:39:12,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:39:12,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:39:12,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:39:12,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:39:12,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:39:12,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:39:12,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:39:12,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:39:12,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:39:12,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-13 00:39:12,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:39:12,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-13 00:39:12,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-13 00:39:12,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-13 00:39:12,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-13 00:39:12,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-03-13 00:39:12,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-13 00:39:12,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:39:12,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:39:12,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:39:12,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:39:12,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:39:12,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:39:12,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:39:12,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:39:12,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:39:12,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:39:12,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-13 00:39:12,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:39:12,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-13 00:39:12,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-13 00:39:12,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-13 00:39:12,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-13 00:39:12,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-13 00:39:12,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-13 00:39:12,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-13 00:39:12,760 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18745,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 00:39:12,760 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:39:12,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:39:12,761 INFO L82 PathProgramCache]: Analyzing trace with hash 320762098, now seen corresponding path program 16 times [2021-03-13 00:39:12,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:39:12,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760257227] [2021-03-13 00:39:12,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:39:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:39:13,060 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:39:13,061 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760257227] [2021-03-13 00:39:13,061 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2286081] [2021-03-13 00:39:13,061 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 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 [2021-03-13 00:39:13,087 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-13 00:39:13,087 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 00:39:13,088 WARN L261 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 65 conjunts are in the unsatisfiable core [2021-03-13 00:39:13,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 00:39:14,016 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-03-13 00:39:14,016 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:39:14,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 23 new quantified variables, introduced 66 case distinctions, treesize of input 55 treesize of output 568 [2021-03-13 00:39:16,358 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 1471 DAG size of output: 1189 [2021-03-13 00:39:16,477 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 1495 DAG size of output: 1211 [2021-03-13 00:39:16,596 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 1495 DAG size of output: 1211 [2021-03-13 00:39:16,729 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 1514 DAG size of output: 1230 [2021-03-13 00:39:16,937 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 1232 DAG size of output: 1717 [2021-03-13 00:39:17,150 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 1177 DAG size of output: 1510 [2021-03-13 00:39:17,380 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 1204 [2021-03-13 00:39:17,540 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 1038 DAG size of output: 1236 [2021-03-13 00:39:17,657 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 1033 DAG size of output: 1171 [2021-03-13 00:39:19,277 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 668 DAG size of output: 553 [2021-03-13 00:39:19,576 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1003 DAG size of output: 1339 [2021-03-13 00:39:21,615 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 1104 DAG size of output: 769 [2021-03-13 00:39:24,930 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 818 DAG size of output: 829 [2021-03-13 00:39:25,070 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 1071 DAG size of output: 856 [2021-03-13 00:39:25,306 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 1525 DAG size of output: 1167 [2021-03-13 00:39:25,665 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 2199 DAG size of output: 1680 [2021-03-13 00:39:26,061 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 2294 DAG size of output: 1772 [2021-03-13 00:39:26,618 WARN L205 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 2794 DAG size of output: 2181 [2021-03-13 00:39:27,184 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 2795 DAG size of output: 2171 [2021-03-13 00:39:29,392 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 898 [2021-03-13 00:39:29,582 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 1165 DAG size of output: 996 [2021-03-13 00:39:30,665 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 1591 DAG size of output: 1311 [2021-03-13 00:39:30,880 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 1594 DAG size of output: 1314 [2021-03-13 00:39:31,605 WARN L205 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 4029 DAG size of output: 2945 [2021-03-13 00:39:33,130 WARN L205 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 4493 DAG size of output: 3243 [2021-03-13 00:39:33,278 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 1110 DAG size of output: 1289 [2021-03-13 00:39:33,519 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 1069 DAG size of output: 1287 [2021-03-13 00:39:33,728 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 1033 DAG size of output: 1165 [2021-03-13 00:39:35,431 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 983 [2021-03-13 00:39:35,586 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 1031 DAG size of output: 1370 [2021-03-13 00:39:35,747 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 1349 [2021-03-13 00:39:35,907 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 934 DAG size of output: 1225 [2021-03-13 00:39:39,099 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 1479 DAG size of output: 1257 [2021-03-13 00:39:40,982 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 2040 DAG size of output: 1719 [2021-03-13 00:39:41,355 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 2502 DAG size of output: 2129 [2021-03-13 00:39:41,778 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 3048 DAG size of output: 2575 [2021-03-13 00:39:42,294 WARN L205 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 3439 DAG size of output: 3068 [2021-03-13 00:39:42,968 WARN L205 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 4191 DAG size of output: 3792 [2021-03-13 00:39:43,833 WARN L205 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 4415 DAG size of output: 3979 [2021-03-13 00:39:44,630 WARN L205 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 4904 DAG size of output: 4421 [2021-03-13 00:39:45,824 WARN L205 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 5137 DAG size of output: 4614 [2021-03-13 00:39:48,157 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 1353 DAG size of output: 981 [2021-03-13 00:39:49,403 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 1858 DAG size of output: 1354 [2021-03-13 00:39:49,662 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 2129 DAG size of output: 1573 [2021-03-13 00:39:50,225 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 2353 DAG size of output: 1744 [2021-03-13 00:39:51,309 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 6896 DAG size of output: 5346 [2021-03-13 00:39:53,192 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 10593 DAG size of output: 7527 [2021-03-13 00:39:53,427 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 1226 DAG size of output: 1612 [2021-03-13 00:39:53,566 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 1151 DAG size of output: 1338 [2021-03-13 00:39:53,737 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 1358 [2021-03-13 00:39:53,881 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 1129 DAG size of output: 1246 [2021-03-13 00:39:54,050 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 1088 DAG size of output: 1430 [2021-03-13 00:39:54,222 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 1081 DAG size of output: 1381 [2021-03-13 00:39:54,390 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 960 DAG size of output: 1234 [2021-03-13 00:39:54,575 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 953 DAG size of output: 1239 [2021-03-13 00:39:58,151 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 1292 DAG size of output: 1310 [2021-03-13 00:39:58,317 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 1494 DAG size of output: 1343 [2021-03-13 00:39:58,553 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 1871 DAG size of output: 1621 [2021-03-13 00:39:58,817 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 1890 DAG size of output: 1640 [2021-03-13 00:39:59,096 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 1945 DAG size of output: 1680 [2021-03-13 00:39:59,242 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 785 DAG size of output: 889 [2021-03-13 00:40:02,915 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 1709 DAG size of output: 1372 [2021-03-13 00:40:03,385 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 3161 DAG size of output: 2670 [2021-03-13 00:40:03,959 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 3634 DAG size of output: 3105 [2021-03-13 00:40:04,620 WARN L205 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 4193 DAG size of output: 3539 [2021-03-13 00:40:05,372 WARN L205 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 4712 DAG size of output: 4050 [2021-03-13 00:40:08,093 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 1272 DAG size of output: 1413 [2021-03-13 00:40:08,313 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 1445 DAG size of output: 1584 [2021-03-13 00:40:08,539 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 1621 DAG size of output: 1706 [2021-03-13 00:40:08,795 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 1823 DAG size of output: 1886 [2021-03-13 00:40:09,841 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 6186 DAG size of output: 5607 [2021-03-13 00:40:11,005 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 6778 DAG size of output: 6039 [2021-03-13 00:40:14,060 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 1114 DAG size of output: 936 [2021-03-13 00:40:14,199 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1246 DAG size of output: 991 [2021-03-13 00:40:14,350 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 1393 DAG size of output: 1032 [2021-03-13 00:40:14,556 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 1781 DAG size of output: 1323 [2021-03-13 00:40:14,770 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 2049 DAG size of output: 1480 [2021-03-13 00:40:16,267 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 2631 DAG size of output: 1918 [2021-03-13 00:40:16,804 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 2855 DAG size of output: 2044 [2021-03-13 00:40:17,173 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 2955 DAG size of output: 2138 [2021-03-13 00:40:17,598 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 3247 DAG size of output: 2348 [2021-03-13 00:40:19,078 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 9320 DAG size of output: 7109 [2021-03-13 00:40:19,254 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 1144 DAG size of output: 1285 [2021-03-13 00:40:19,500 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 1291 [2021-03-13 00:40:19,616 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1086 DAG size of output: 1231 [2021-03-13 00:40:20,920 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 804 DAG size of output: 771 [2021-03-13 00:40:21,067 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 882 DAG size of output: 834 [2021-03-13 00:40:21,235 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 1083 DAG size of output: 1458 [2021-03-13 00:40:22,990 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 849 [2021-03-13 00:40:23,104 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1040 DAG size of output: 885 [2021-03-13 00:40:24,128 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 1484 DAG size of output: 1155 [2021-03-13 00:40:24,319 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 1534 DAG size of output: 1205 [2021-03-13 00:40:26,658 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 976 DAG size of output: 973 [2021-03-13 00:40:26,817 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 1117 DAG size of output: 1125 [2021-03-13 00:40:26,988 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 1381 DAG size of output: 1158 [2021-03-13 00:40:28,652 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 1969 DAG size of output: 1612 [2021-03-13 00:40:28,954 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 1990 DAG size of output: 1633 [2021-03-13 00:40:29,442 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 2977 DAG size of output: 2504 [2021-03-13 00:40:30,089 WARN L205 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 3664 DAG size of output: 3170 [2021-03-13 00:40:30,762 WARN L205 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 3665 DAG size of output: 3165 [2021-03-13 00:40:31,674 WARN L205 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 3828 DAG size of output: 3307 [2021-03-13 00:40:34,555 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 1044 DAG size of output: 977 [2021-03-13 00:40:34,710 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 1066 DAG size of output: 992 [2021-03-13 00:40:37,839 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 1113 DAG size of output: 1107 [2021-03-13 00:40:38,025 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 1135 DAG size of output: 1110 [2021-03-13 00:40:38,239 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 1130 [2021-03-13 00:40:38,602 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 1986 DAG size of output: 1919 [2021-03-13 00:40:38,991 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 2247 DAG size of output: 2053 [2021-03-13 00:40:40,720 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 923 DAG size of output: 679 [2021-03-13 00:40:41,242 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 2959 DAG size of output: 2569 [2021-03-13 00:40:41,779 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 2962 DAG size of output: 2572 [2021-03-13 00:40:42,994 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 6145 DAG size of output: 5049 [2021-03-13 00:40:45,775 WARN L205 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 14298 DAG size of output: 11123 [2021-03-13 00:40:50,519 WARN L205 SmtUtils]: Spent 4.66 s on a formula simplification. DAG size of input: 22836 DAG size of output: 16311 [2021-03-13 00:40:55,269 WARN L205 SmtUtils]: Spent 4.64 s on a formula simplification. DAG size of input: 22836 DAG size of output: 16311 [2021-03-13 00:41:00,469 WARN L205 SmtUtils]: Spent 5.12 s on a formula simplification. DAG size of input: 22851 DAG size of output: 16326 [2021-03-13 00:41:03,904 WARN L205 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 16320 DAG size of output: 16017 [2021-03-13 00:41:08,796 WARN L205 SmtUtils]: Spent 4.75 s on a formula simplification. DAG size of input: 16019 DAG size of output: 17458 [2021-03-13 00:41:10,640 WARN L205 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 8798 DAG size of output: 8842 [2021-03-13 00:41:12,912 WARN L205 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 8433 DAG size of output: 10247 [2021-03-13 00:41:14,375 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 8283 DAG size of output: 8210 [2021-03-13 00:41:14,947 WARN L205 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 4000 DAG size of output: 4000 [2021-03-13 00:41:15,309 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 2400 DAG size of output: 2445 [2021-03-13 00:41:15,582 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 2304 DAG size of output: 2184 [2021-03-13 00:41:15,767 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 1597 DAG size of output: 1573 [2021-03-13 00:41:15,953 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 1546 [2021-03-13 00:41:16,072 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2021-03-13 00:41:16,194 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 1070 [2021-03-13 00:41:16,329 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 1070 DAG size of output: 1107 [2021-03-13 00:41:19,509 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 931 DAG size of output: 640 [2021-03-13 00:41:19,626 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 640 [2021-03-13 00:41:20,173 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 1071 DAG size of output: 680 [2021-03-13 00:41:20,327 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 1413 DAG size of output: 744 [2021-03-13 00:41:20,497 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 1435 DAG size of output: 757 [2021-03-13 00:41:22,196 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 2011 DAG size of output: 1118 [2021-03-13 00:41:22,486 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 2209 DAG size of output: 1310 [2021-03-13 00:41:22,771 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 1869 DAG size of output: 1860 [2021-03-13 00:41:23,025 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 1672 DAG size of output: 1643 [2021-03-13 00:41:23,278 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 1618 DAG size of output: 1596 [2021-03-13 00:41:23,478 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 1594 DAG size of output: 1589 [2021-03-13 00:41:25,676 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1179 DAG size of output: 791 [2021-03-13 00:41:25,836 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 983 DAG size of output: 1068 [2021-03-13 00:41:25,955 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 978 DAG size of output: 978 [2021-03-13 00:41:28,771 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 1038 DAG size of output: 770 [2021-03-13 00:41:28,905 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 1234 DAG size of output: 861 [2021-03-13 00:41:29,066 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 1378 DAG size of output: 995 [2021-03-13 00:41:29,371 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 2380 DAG size of output: 1565 [2021-03-13 00:41:29,655 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 2381 DAG size of output: 1445 [2021-03-13 00:41:29,956 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 2398 DAG size of output: 1442 [2021-03-13 00:41:30,298 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 2557 DAG size of output: 1533 [2021-03-13 00:41:30,903 WARN L205 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 4463 DAG size of output: 2486 [2021-03-13 00:41:31,530 WARN L205 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 4464 DAG size of output: 2437 [2021-03-13 00:41:32,548 WARN L205 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 6866 DAG size of output: 3926 [2021-03-13 00:41:33,630 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 7307 DAG size of output: 3953 [2021-03-13 00:41:35,946 WARN L205 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 18425 DAG size of output: 8255 [2021-03-13 00:41:38,280 WARN L205 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 18425 DAG size of output: 8255 [2021-03-13 00:41:40,695 WARN L205 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 18430 DAG size of output: 8260 [2021-03-13 00:41:41,371 WARN L205 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 3858 DAG size of output: 3615 [2021-03-13 00:41:41,891 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 3588 DAG size of output: 2953 [2021-03-13 00:41:42,311 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 2008 DAG size of output: 2275 [2021-03-13 00:41:42,661 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 1982 DAG size of output: 2118 [2021-03-13 00:41:42,945 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 1947 DAG size of output: 1853 [2021-03-13 00:41:43,201 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 1825 DAG size of output: 1823 [2021-03-13 00:41:43,361 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 1281 DAG size of output: 1281 [2021-03-13 00:41:43,518 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 1261 DAG size of output: 1261 [2021-03-13 00:41:43,667 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1252 DAG size of output: 1252 [2021-03-13 00:41:43,795 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 634 DAG size of output: 723 [2021-03-13 00:41:44,317 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 730 DAG size of output: 773 [2021-03-13 00:41:45,727 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 1265 DAG size of output: 746 [2021-03-13 00:41:45,834 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 1448 DAG size of output: 755 [2021-03-13 00:41:45,953 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 1899 DAG size of output: 779 [2021-03-13 00:41:46,109 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 2846 DAG size of output: 882 [2021-03-13 00:41:46,274 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 2917 DAG size of output: 883 [2021-03-13 00:41:47,192 WARN L205 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 4647 DAG size of output: 4771 [2021-03-13 00:41:47,687 WARN L205 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 4240 DAG size of output: 2333 [2021-03-13 00:41:47,941 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 1682 DAG size of output: 1686 [2021-03-13 00:41:48,190 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 1624 DAG size of output: 1647 [2021-03-13 00:41:48,413 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 1528 DAG size of output: 1537 [2021-03-13 00:41:48,620 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 1487 DAG size of output: 1537 [2021-03-13 00:41:48,789 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 1468 DAG size of output: 1468 [2021-03-13 00:41:48,912 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 809 DAG size of output: 943 [2021-03-13 00:41:49,097 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 772 DAG size of output: 904 [2021-03-13 00:41:50,137 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 846 DAG size of output: 1149 [2021-03-13 00:41:51,700 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 2454 DAG size of output: 607 [2021-03-13 00:41:51,929 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 3424 DAG size of output: 1385 [2021-03-13 00:41:52,283 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 6129 DAG size of output: 2118 [2021-03-13 00:41:52,663 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 6129 DAG size of output: 2118 [2021-03-13 00:41:53,039 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 6134 DAG size of output: 2127 [2021-03-13 00:41:53,317 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 2129 DAG size of output: 1963 [2021-03-13 00:41:53,522 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 1913 DAG size of output: 1900 [2021-03-13 00:41:56,016 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 906 [2021-03-13 00:41:56,141 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 684 DAG size of output: 814 [2021-03-13 00:41:58,955 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 1565 DAG size of output: 702 [2021-03-13 00:42:01,202 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 832 [2021-03-13 00:42:03,732 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1294 DAG size of output: 858 [2021-03-13 00:42:03,856 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 1633 DAG size of output: 858 [2021-03-13 00:42:04,006 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 1922 DAG size of output: 965 [2021-03-13 00:42:05,135 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 2577 DAG size of output: 1081 [2021-03-13 00:42:05,427 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 3275 DAG size of output: 1346 [2021-03-13 00:42:05,920 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 5859 DAG size of output: 2418 [2021-03-13 00:42:06,468 WARN L205 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 5945 DAG size of output: 2471 [2021-03-13 00:42:07,018 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 5945 DAG size of output: 2471 [2021-03-13 00:42:07,592 WARN L205 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 5950 DAG size of output: 2476 [2021-03-13 00:42:07,921 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 2476 DAG size of output: 2297 [2021-03-13 00:42:08,224 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 2254 DAG size of output: 1494 [2021-03-13 00:42:08,380 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 963 DAG size of output: 1120 [2021-03-13 00:42:09,303 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 1113 DAG size of output: 717 [2021-03-13 00:42:10,105 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 1464 DAG size of output: 962 [2021-03-13 00:42:10,271 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 1489 DAG size of output: 984 [2021-03-13 00:42:10,438 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 1489 DAG size of output: 984 [2021-03-13 00:42:10,628 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 1491 DAG size of output: 987 [2021-03-13 00:42:10,776 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 989 DAG size of output: 1257 [2021-03-13 00:42:10,886 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 809 DAG size of output: 597 [2021-03-13 00:42:11,401 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-13 00:42:11,403 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:42:11,403 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-13 00:42:11,403 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:3 [2021-03-13 00:42:11,406 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:42:11,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 00:42:11,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 41 [2021-03-13 00:42:11,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733942666] [2021-03-13 00:42:11,406 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-03-13 00:42:11,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:42:11,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-03-13 00:42:11,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=1700, Unknown=0, NotChecked=0, Total=1806 [2021-03-13 00:42:11,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:42:11,407 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:42:11,407 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 43 states, 42 states have (on average 1.1666666666666667) internal successors, (49), 42 states have internal predecessors, (49), 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) [2021-03-13 00:42:11,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:42:11,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:42:11,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:42:11,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:42:11,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:42:11,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:42:11,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:42:11,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:42:11,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:42:11,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-13 00:42:11,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:42:11,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-13 00:42:11,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-13 00:42:11,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-13 00:42:11,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-13 00:42:11,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-03-13 00:42:11,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-13 00:42:11,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-13 00:42:11,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:42:11,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:42:11,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:42:11,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:42:11,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:42:11,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:42:11,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:42:11,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:42:11,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:42:11,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:42:11,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-13 00:42:11,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:42:11,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-13 00:42:11,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-13 00:42:11,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-13 00:42:11,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-13 00:42:11,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-13 00:42:11,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-13 00:42:11,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-13 00:42:11,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-13 00:42:12,096 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18746,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 00:42:12,097 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:42:12,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:42:12,097 INFO L82 PathProgramCache]: Analyzing trace with hash 339575212, now seen corresponding path program 17 times [2021-03-13 00:42:12,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:42:12,097 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672244518] [2021-03-13 00:42:12,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:42:12,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:42:12,370 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:42:12,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672244518] [2021-03-13 00:42:12,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [84469035] [2021-03-13 00:42:12,370 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 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 [2021-03-13 00:42:12,396 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-03-13 00:42:12,396 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 00:42:12,397 WARN L261 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 67 conjunts are in the unsatisfiable core [2021-03-13 00:42:12,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 00:42:13,427 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 339 [2021-03-13 00:42:13,428 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:42:13,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 25 new quantified variables, introduced 78 case distinctions, treesize of input 59 treesize of output 667 [2021-03-13 00:42:15,438 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 1565 DAG size of output: 1152 [2021-03-13 00:42:17,819 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 1954 DAG size of output: 1547 [2021-03-13 00:42:17,958 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 1998 DAG size of output: 1590 [2021-03-13 00:42:18,103 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 2025 DAG size of output: 1617 [2021-03-13 00:42:18,344 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 3337 DAG size of output: 2495 [2021-03-13 00:42:18,609 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 3337 DAG size of output: 2495 [2021-03-13 00:42:18,889 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 3360 DAG size of output: 2518 [2021-03-13 00:42:19,088 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 2509 DAG size of output: 2506 [2021-03-13 00:42:19,330 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 2508 DAG size of output: 2523 [2021-03-13 00:42:19,553 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 2497 DAG size of output: 2494 [2021-03-13 00:42:19,740 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 1589 DAG size of output: 1968 [2021-03-13 00:42:19,874 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 1586 DAG size of output: 1595 [2021-03-13 00:42:20,016 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1583 DAG size of output: 1663 [2021-03-13 00:42:20,127 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 1578 DAG size of output: 1578 [2021-03-13 00:42:20,252 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 1557 DAG size of output: 1557 [2021-03-13 00:42:20,382 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 1552 [2021-03-13 00:42:22,913 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 1494 DAG size of output: 1104 [2021-03-13 00:42:24,221 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 2657 DAG size of output: 1450 [2021-03-13 00:42:24,418 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 3267 DAG size of output: 1895 [2021-03-13 00:42:24,629 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 3290 DAG size of output: 1917 [2021-03-13 00:42:24,869 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 3310 DAG size of output: 1936 [2021-03-13 00:42:25,105 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 3445 DAG size of output: 2035 [2021-03-13 00:42:25,356 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 3487 DAG size of output: 2073 [2021-03-13 00:42:25,667 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 3913 DAG size of output: 2323 [2021-03-13 00:42:25,826 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 1154 DAG size of output: 1549 [2021-03-13 00:42:26,032 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 1148 DAG size of output: 1246 [2021-03-13 00:42:26,334 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 1117 DAG size of output: 1161 [2021-03-13 00:42:28,247 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 1881 DAG size of output: 1136 [2021-03-13 00:42:28,393 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 2316 DAG size of output: 1394 [2021-03-13 00:42:28,843 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 5749 DAG size of output: 3310 [2021-03-13 00:42:29,304 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 5779 DAG size of output: 3337 [2021-03-13 00:42:29,786 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 5779 DAG size of output: 3337 [2021-03-13 00:42:30,405 WARN L205 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 5791 DAG size of output: 3379 [2021-03-13 00:42:30,849 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 3344 DAG size of output: 3420 [2021-03-13 00:42:31,282 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 3280 DAG size of output: 3293 [2021-03-13 00:42:31,624 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 3216 DAG size of output: 3216 [2021-03-13 00:42:32,013 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 3191 DAG size of output: 3115 [2021-03-13 00:42:32,466 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 3087 DAG size of output: 3174 [2021-03-13 00:42:32,722 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 2011 DAG size of output: 1913 [2021-03-13 00:42:32,877 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 1693 [2021-03-13 00:42:34,686 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1004 DAG size of output: 1200 [2021-03-13 00:42:37,283 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 2067 DAG size of output: 912 [2021-03-13 00:42:37,473 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 2374 DAG size of output: 1168 [2021-03-13 00:42:37,774 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 3536 DAG size of output: 2226 [2021-03-13 00:42:38,118 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 3594 DAG size of output: 2268 [2021-03-13 00:42:38,466 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 3621 DAG size of output: 2239 [2021-03-13 00:42:38,851 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 3728 DAG size of output: 2298 [2021-03-13 00:42:39,261 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 3943 DAG size of output: 2495 [2021-03-13 00:42:39,718 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 4030 DAG size of output: 2583 [2021-03-13 00:42:40,154 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 4030 DAG size of output: 2583 [2021-03-13 00:42:40,629 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 4035 DAG size of output: 2581 [2021-03-13 00:42:41,091 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 2583 DAG size of output: 2779 [2021-03-13 00:42:41,643 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 2278 DAG size of output: 3164 [2021-03-13 00:42:42,029 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 1697 DAG size of output: 2269 [2021-03-13 00:42:42,295 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 1451 DAG size of output: 1548 [2021-03-13 00:42:42,424 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 1097 DAG size of output: 994 [2021-03-13 00:42:42,868 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 873 DAG size of output: 1198 [2021-03-13 00:42:43,000 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 785 DAG size of output: 999 [2021-03-13 00:42:43,128 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 755 DAG size of output: 1074 [2021-03-13 00:42:43,242 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 769 [2021-03-13 00:42:45,796 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 1336 DAG size of output: 714 [2021-03-13 00:42:45,918 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1337 DAG size of output: 717 [2021-03-13 00:42:46,052 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 1470 DAG size of output: 809 [2021-03-13 00:42:46,286 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 2186 DAG size of output: 1283 [2021-03-13 00:42:46,487 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 1606 DAG size of output: 1604 [2021-03-13 00:42:46,689 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 1539 DAG size of output: 1539 [2021-03-13 00:42:46,846 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1381 DAG size of output: 1381 [2021-03-13 00:42:47,512 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 1324 DAG size of output: 1284 [2021-03-13 00:42:47,748 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 1275 DAG size of output: 1269 [2021-03-13 00:42:47,909 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 941 DAG size of output: 1256 [2021-03-13 00:42:50,582 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 1729 DAG size of output: 979 [2021-03-13 00:42:50,753 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1761 DAG size of output: 1012 [2021-03-13 00:42:50,952 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 2055 DAG size of output: 1192 [2021-03-13 00:42:51,271 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 2199 DAG size of output: 1322 [2021-03-13 00:42:51,505 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 2262 DAG size of output: 1363 [2021-03-13 00:42:51,959 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 3895 DAG size of output: 2281 [2021-03-13 00:42:52,468 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 2028 DAG size of output: 2639 [2021-03-13 00:42:52,666 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 1660 DAG size of output: 1652 [2021-03-13 00:42:52,882 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 1623 DAG size of output: 1623 [2021-03-13 00:42:53,427 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 1493 DAG size of output: 1601 [2021-03-13 00:42:53,560 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 1135 DAG size of output: 1042 [2021-03-13 00:42:53,730 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 1023 DAG size of output: 1243 [2021-03-13 00:42:53,866 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 885 [2021-03-13 00:42:53,974 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 924 [2021-03-13 00:42:55,285 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 1038 [2021-03-13 00:42:55,558 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 1052 [2021-03-13 00:42:55,758 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 690 DAG size of output: 833 [2021-03-13 00:42:57,095 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 943 DAG size of output: 758 [2021-03-13 00:42:57,392 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 1056 DAG size of output: 809 [2021-03-13 00:42:57,582 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 1766 DAG size of output: 1200 [2021-03-13 00:42:57,826 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 1941 DAG size of output: 1296 [2021-03-13 00:42:58,055 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 1967 DAG size of output: 1313 [2021-03-13 00:42:58,309 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 1954 DAG size of output: 1952 [2021-03-13 00:42:58,688 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 1885 DAG size of output: 2090 [2021-03-13 00:42:58,851 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 1388 DAG size of output: 1370 [2021-03-13 00:42:59,150 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 1250 DAG size of output: 1248 [2021-03-13 00:42:59,551 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1202 DAG size of output: 1166 [2021-03-13 00:42:59,695 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1155 DAG size of output: 1155 [2021-03-13 00:42:59,878 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 1131 DAG size of output: 1416 [2021-03-13 00:43:00,034 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 946 DAG size of output: 1130 [2021-03-13 00:43:01,399 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 820 DAG size of output: 949 [2021-03-13 00:43:01,511 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 743 DAG size of output: 969 [2021-03-13 00:43:02,432 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 914 DAG size of output: 748 [2021-03-13 00:43:02,757 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 1135 DAG size of output: 884 [2021-03-13 00:43:02,889 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 1196 DAG size of output: 913 [2021-03-13 00:43:03,127 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 2191 DAG size of output: 1524 [2021-03-13 00:43:03,448 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 2245 DAG size of output: 1553 [2021-03-13 00:43:03,934 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 3475 DAG size of output: 2322 [2021-03-13 00:43:04,918 WARN L205 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 6866 DAG size of output: 4100 [2021-03-13 00:43:05,980 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 7402 DAG size of output: 4105 [2021-03-13 00:43:07,038 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 7402 DAG size of output: 4105 [2021-03-13 00:43:08,119 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 7407 DAG size of output: 4110 [2021-03-13 00:43:08,644 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 4112 DAG size of output: 2364 [2021-03-13 00:43:09,020 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 2072 DAG size of output: 1846 [2021-03-13 00:43:09,286 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 1675 DAG size of output: 1494 [2021-03-13 00:43:09,436 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 937 DAG size of output: 908 [2021-03-13 00:43:11,218 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 841 DAG size of output: 972 [2021-03-13 00:43:11,332 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 661 DAG size of output: 643 [2021-03-13 00:43:13,480 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 1057 DAG size of output: 813 [2021-03-13 00:43:13,685 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 1945 DAG size of output: 1310 [2021-03-13 00:43:14,380 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 2171 DAG size of output: 1451 [2021-03-13 00:43:14,628 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 2265 DAG size of output: 1520 [2021-03-13 00:43:14,880 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 2265 DAG size of output: 1520 [2021-03-13 00:43:15,161 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 2267 DAG size of output: 1522 [2021-03-13 00:43:15,288 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 1526 DAG size of output: 877 [2021-03-13 00:43:15,809 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-13 00:43:15,810 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:43:15,810 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-13 00:43:15,811 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:59, output treesize:3 [2021-03-13 00:43:15,813 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:43:15,814 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 00:43:15,814 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 41 [2021-03-13 00:43:15,814 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720188065] [2021-03-13 00:43:15,814 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-03-13 00:43:15,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:43:15,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-03-13 00:43:15,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=1702, Unknown=0, NotChecked=0, Total=1806 [2021-03-13 00:43:15,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:43:15,815 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:43:15,815 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 43 states, 42 states have (on average 1.2142857142857142) internal successors, (51), 42 states have internal predecessors, (51), 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) [2021-03-13 00:43:15,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:43:15,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:43:15,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:43:15,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:43:15,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:43:15,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:43:15,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:43:15,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:43:15,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:43:15,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-13 00:43:15,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:43:15,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-13 00:43:15,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-13 00:43:15,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-13 00:43:15,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-13 00:43:15,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-03-13 00:43:15,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-13 00:43:15,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-13 00:43:15,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-03-13 00:43:15,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:43:16,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:43:16,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:43:16,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:43:16,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:43:16,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:43:16,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:43:16,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:43:16,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:43:16,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:43:16,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-13 00:43:16,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:43:16,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-13 00:43:16,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-13 00:43:16,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-13 00:43:16,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-13 00:43:16,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-13 00:43:16,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-13 00:43:16,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-13 00:43:16,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-13 00:43:16,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-13 00:43:16,508 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42157 [2021-03-13 00:43:16,508 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:43:16,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:43:16,508 INFO L82 PathProgramCache]: Analyzing trace with hash 922781746, now seen corresponding path program 18 times [2021-03-13 00:43:16,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:43:16,508 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690912965] [2021-03-13 00:43:16,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:43:16,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:43:16,676 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 78 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:43:16,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690912965] [2021-03-13 00:43:16,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444285346] [2021-03-13 00:43:16,677 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 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 [2021-03-13 00:43:16,710 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-03-13 00:43:16,711 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 00:43:16,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 22 conjunts are in the unsatisfiable core [2021-03-13 00:43:16,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 00:43:16,771 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 91 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:43:16,771 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 00:43:16,771 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 23 [2021-03-13 00:43:16,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052545979] [2021-03-13 00:43:16,772 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-03-13 00:43:16,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:43:16,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-03-13 00:43:16,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=394, Unknown=0, NotChecked=0, Total=552 [2021-03-13 00:43:16,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:43:16,772 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:43:16,772 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 23 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 00:43:16,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:43:16,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:43:16,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:43:16,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:43:16,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:43:16,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:43:16,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:43:16,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:43:16,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:43:16,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-13 00:43:16,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:43:16,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-13 00:43:16,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-13 00:43:16,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-13 00:43:16,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-13 00:43:16,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-03-13 00:43:16,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-13 00:43:16,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-13 00:43:16,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-03-13 00:43:16,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-13 00:43:16,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:43:17,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:43:17,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 00:43:17,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-13 00:43:17,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:43:17,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 00:43:17,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:43:17,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:43:17,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 00:43:17,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 00:43:17,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-13 00:43:17,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 00:43:17,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-13 00:43:17,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-13 00:43:17,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-13 00:43:17,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-13 00:43:17,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-13 00:43:17,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-13 00:43:17,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-13 00:43:17,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-13 00:43:17,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-13 00:43:17,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-13 00:43:17,250 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51162,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 00:43:17,250 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:43:17,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:43:17,250 INFO L82 PathProgramCache]: Analyzing trace with hash -1467653951, now seen corresponding path program 19 times [2021-03-13 00:43:17,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:43:17,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185775838] [2021-03-13 00:43:17,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:43:17,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:43:17,664 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:43:17,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185775838] [2021-03-13 00:43:17,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210732329] [2021-03-13 00:43:17,664 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 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 [2021-03-13 00:43:17,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:43:17,690 WARN L261 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 74 conjunts are in the unsatisfiable core [2021-03-13 00:43:17,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 00:43:19,082 WARN L205 SmtUtils]: Spent 539.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2021-03-13 00:43:19,082 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 00:43:19,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 27 new quantified variables, introduced 91 case distinctions, treesize of input 63 treesize of output 774 [2021-03-13 00:43:22,105 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 1319 DAG size of output: 1082 [2021-03-13 00:43:25,895 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 1718 DAG size of output: 1504 [2021-03-13 00:43:26,190 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 2711 DAG size of output: 2240 [2021-03-13 00:43:26,511 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 2711 DAG size of output: 2240 [2021-03-13 00:43:26,861 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 2734 DAG size of output: 2263 [2021-03-13 00:43:27,518 WARN L205 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 2265 DAG size of output: 2760 [2021-03-13 00:43:28,155 WARN L205 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 2214 DAG size of output: 2345 [2021-03-13 00:43:28,481 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 2206 DAG size of output: 2185 [2021-03-13 00:43:28,612 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 1060 [2021-03-13 00:43:28,745 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 714 DAG size of output: 839 [2021-03-13 00:43:28,882 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 922 [2021-03-13 00:43:29,005 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 873 [2021-03-13 00:43:29,133 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 765 [2021-03-13 00:43:29,263 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 791 [2021-03-13 00:43:30,301 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 487 DAG size of output: 601 [2021-03-13 00:43:32,020 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 1059 DAG size of output: 974 [2021-03-13 00:43:32,167 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1251 DAG size of output: 1159 [2021-03-13 00:43:33,637 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 1672 DAG size of output: 1653 [2021-03-13 00:43:36,746 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 875 [2021-03-13 00:43:36,949 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 1478 DAG size of output: 1278 [2021-03-13 00:43:37,418 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 2806 DAG size of output: 2648 [2021-03-13 00:43:40,135 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 1268 DAG size of output: 1210 [2021-03-13 00:43:40,331 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 1290 DAG size of output: 1224 [2021-03-13 00:43:42,553 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 1013 DAG size of output: 847 [2021-03-13 00:43:42,872 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 1918 DAG size of output: 1735 [2021-03-13 00:43:43,710 WARN L205 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 4108 DAG size of output: 3861 [2021-03-13 00:43:48,091 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 894 DAG size of output: 855 [2021-03-13 00:43:48,324 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 1472 DAG size of output: 1415 [2021-03-13 00:43:50,721 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 1102 DAG size of output: 1097 [2021-03-13 00:43:52,854 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 996 DAG size of output: 930 [2021-03-13 00:43:53,211 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 1885 DAG size of output: 1855 [2021-03-13 00:43:53,705 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 2979 DAG size of output: 2592 [2021-03-13 00:43:54,418 WARN L205 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 3330 DAG size of output: 2923 [2021-03-13 00:43:56,506 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 1034 DAG size of output: 935 [2021-03-13 00:43:57,004 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 1354 DAG size of output: 1208 [2021-03-13 00:43:59,313 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 1049 DAG size of output: 1054 [2021-03-13 00:44:00,177 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 1683 DAG size of output: 1619 [2021-03-13 00:44:00,572 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 2475 DAG size of output: 2361 [2021-03-13 00:44:02,388 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 895 DAG size of output: 878 [2021-03-13 00:44:04,008 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 1440 DAG size of output: 1361 [2021-03-13 00:44:04,567 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 1717 DAG size of output: 1614 [2021-03-13 00:44:05,276 WARN L205 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 3510 DAG size of output: 3419 [2021-03-13 00:44:06,585 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 5856 DAG size of output: 5538 [2021-03-13 00:44:07,989 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 5911 DAG size of output: 5557 [2021-03-13 00:44:10,259 WARN L205 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 9470 DAG size of output: 8715 [2021-03-13 00:44:13,008 WARN L205 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 9893 DAG size of output: 8955 [2021-03-13 00:44:15,550 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 1625 DAG size of output: 1180 [2021-03-13 00:44:17,099 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 968 DAG size of output: 790 [2021-03-13 00:44:17,403 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 2310 DAG size of output: 1732 [2021-03-13 00:44:20,212 WARN L205 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 11843 DAG size of output: 10408 [2021-03-13 00:44:23,169 WARN L205 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 12069 DAG size of output: 10662 [2021-03-13 00:44:26,364 WARN L205 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 12304 DAG size of output: 10799 [2021-03-13 00:44:29,842 WARN L205 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 12623 DAG size of output: 11076 [2021-03-13 00:44:30,052 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 770 [2021-03-13 00:44:34,958 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 1222 DAG size of output: 1178 [2021-03-13 00:44:35,120 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 1295 DAG size of output: 1237 [2021-03-13 00:44:38,816 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 1517 DAG size of output: 1293 [2021-03-13 00:44:39,061 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 2085 DAG size of output: 1873 [2021-03-13 00:44:39,511 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 3132 DAG size of output: 2873 [2021-03-13 00:44:42,079 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 1199 DAG size of output: 1078 [2021-03-13 00:44:42,248 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 1771 DAG size of output: 1614 [2021-03-13 00:44:44,605 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 1473 DAG size of output: 1347 [2021-03-13 00:44:44,945 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 2646 DAG size of output: 2378 [2021-03-13 00:44:47,348 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1314 DAG size of output: 1284 [2021-03-13 00:44:49,665 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 1313 DAG size of output: 1108 [2021-03-13 00:44:51,517 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 1157 DAG size of output: 1094 [2021-03-13 00:44:51,660 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 1231 DAG size of output: 1163 [2021-03-13 00:44:51,951 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 2206 DAG size of output: 1970 [2021-03-13 00:44:52,417 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 3256 DAG size of output: 2982 [2021-03-13 00:44:53,244 WARN L205 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 4900 DAG size of output: 4652 [2021-03-13 00:44:55,082 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 1221 DAG size of output: 1050 [2021-03-13 00:44:56,287 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 1852 DAG size of output: 1640 [2021-03-13 00:44:58,526 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 1026 DAG size of output: 929 [2021-03-13 00:44:58,683 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 1417 DAG size of output: 1310 [2021-03-13 00:44:59,032 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 2751 DAG size of output: 2408 [2021-03-13 00:45:00,693 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 8107 DAG size of output: 7809 [2021-03-13 00:45:03,277 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 1152 DAG size of output: 972 [2021-03-13 00:45:04,139 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1169 DAG size of output: 1060 [2021-03-13 00:45:05,878 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 1267 DAG size of output: 1175 [2021-03-13 00:45:07,742 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 1125 DAG size of output: 949 [2021-03-13 00:45:08,624 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 1158 DAG size of output: 1056 [2021-03-13 00:45:10,240 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 1256 DAG size of output: 1171 [2021-03-13 00:45:10,701 WARN L205 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 2376 DAG size of output: 2190 [2021-03-13 00:45:12,897 WARN L205 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 10534 DAG size of output: 10078 [2021-03-13 00:45:15,874 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 1090 DAG size of output: 1011 [2021-03-13 00:45:16,105 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 1496 DAG size of output: 1466 [2021-03-13 00:45:16,937 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 2068 DAG size of output: 1823 [2021-03-13 00:45:19,544 WARN L205 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 12450 DAG size of output: 11688 [2021-03-13 00:45:22,409 WARN L205 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 13101 DAG size of output: 12266 [2021-03-13 00:45:25,414 WARN L205 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 13395 DAG size of output: 12440 [2021-03-13 00:45:28,667 WARN L205 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 14397 DAG size of output: 13079 [2021-03-13 00:45:32,090 WARN L205 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 14649 DAG size of output: 13223 [2021-03-13 00:45:35,711 WARN L205 SmtUtils]: Spent 3.53 s on a formula simplification. DAG size of input: 14977 DAG size of output: 13506 [2021-03-13 00:45:40,315 WARN L205 SmtUtils]: Spent 3.67 s on a formula simplification. DAG size of input: 15194 DAG size of output: 13738 [2021-03-13 00:45:47,538 WARN L205 SmtUtils]: Spent 7.12 s on a formula simplification. DAG size of input: 26745 DAG size of output: 23370 [2021-03-13 00:45:47,785 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 851 [2021-03-13 00:45:47,915 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 954 [2021-03-13 00:45:48,029 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 655 DAG size of output: 927 [2021-03-13 00:45:48,168 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 650 DAG size of output: 911 [2021-03-13 00:45:52,031 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 997 DAG size of output: 862 [2021-03-13 00:45:53,069 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 1732 DAG size of output: 1508 [2021-03-13 00:45:53,352 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 1999 DAG size of output: 1657 [2021-03-13 00:45:57,375 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 1261 DAG size of output: 1207 [2021-03-13 00:45:57,525 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 1380 DAG size of output: 1286 [2021-03-13 00:45:57,836 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 2319 DAG size of output: 2179 [2021-03-13 00:45:58,374 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 3783 DAG size of output: 3037 [2021-03-13 00:45:59,827 WARN L205 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 4152 DAG size of output: 3383 [2021-03-13 00:46:01,536 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 1017 DAG size of output: 785 [2021-03-13 00:46:03,007 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 1000 DAG size of output: 921 [2021-03-13 00:46:03,351 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 1271 DAG size of output: 1151 [2021-03-13 00:46:03,598 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 1888 DAG size of output: 1608 [2021-03-13 00:46:05,301 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 1244 DAG size of output: 1149 [2021-03-13 00:46:06,497 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 1820 DAG size of output: 1729 [2021-03-13 00:46:08,700 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 1404 DAG size of output: 1234 [2021-03-13 00:46:09,174 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 2664 DAG size of output: 2563 [2021-03-13 00:46:09,800 WARN L205 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 3829 DAG size of output: 3556 [2021-03-13 00:46:10,506 WARN L205 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 4064 DAG size of output: 3714 [2021-03-13 00:46:11,829 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 7138 DAG size of output: 6235 [2021-03-13 00:46:11,974 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 545 DAG size of output: 693 [2021-03-13 00:46:15,598 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 924 DAG size of output: 881 [2021-03-13 00:46:15,809 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 1542 DAG size of output: 1430 [2021-03-13 00:46:16,107 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 1772 DAG size of output: 1590 [2021-03-13 00:46:16,446 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 2049 DAG size of output: 1818 [2021-03-13 00:46:18,917 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 776 DAG size of output: 745 [2021-03-13 00:46:19,043 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 1221 DAG size of output: 1101 [2021-03-13 00:46:19,239 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 1713 DAG size of output: 1582 [2021-03-13 00:46:21,433 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 1317 DAG size of output: 1181 [2021-03-13 00:46:21,817 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 2506 DAG size of output: 2399 [2021-03-13 00:46:22,215 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 2728 DAG size of output: 2579 [2021-03-13 00:46:22,953 WARN L205 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 4060 DAG size of output: 3794 [2021-03-13 00:46:25,557 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1055 DAG size of output: 961 [2021-03-13 00:46:27,339 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 1745 DAG size of output: 1637 [2021-03-13 00:46:27,599 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 2011 DAG size of output: 1797 [2021-03-13 00:46:31,742 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 1244 DAG size of output: 1209 [2021-03-13 00:46:31,902 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 1371 DAG size of output: 1304 [2021-03-13 00:46:32,215 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 2160 DAG size of output: 2102 [2021-03-13 00:46:32,772 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 3647 DAG size of output: 3063 [2021-03-13 00:46:33,486 WARN L205 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 3970 DAG size of output: 3377 [2021-03-13 00:46:34,878 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 7065 DAG size of output: 6258 [2021-03-13 00:46:37,751 WARN L205 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 13484 DAG size of output: 11267 [2021-03-13 00:46:38,959 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 637 DAG size of output: 546 [2021-03-13 00:46:40,696 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 1432 DAG size of output: 1098 [2021-03-13 00:46:41,749 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 749 DAG size of output: 632 [2021-03-13 00:46:43,107 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 1206 DAG size of output: 964 [2021-03-13 00:46:43,518 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 2424 DAG size of output: 1788 [2021-03-13 00:46:46,860 WARN L205 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 15746 DAG size of output: 12900 [2021-03-13 00:46:51,667 WARN L205 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 16353 DAG size of output: 13473 [2021-03-13 00:46:56,779 WARN L205 SmtUtils]: Spent 3.76 s on a formula simplification. DAG size of input: 17666 DAG size of output: 14071 [2021-03-13 00:47:00,869 WARN L205 SmtUtils]: Spent 3.99 s on a formula simplification. DAG size of input: 17919 DAG size of output: 14391 [2021-03-13 00:47:05,177 WARN L205 SmtUtils]: Spent 4.21 s on a formula simplification. DAG size of input: 18270 DAG size of output: 14573 [2021-03-13 00:47:09,641 WARN L205 SmtUtils]: Spent 4.36 s on a formula simplification. DAG size of input: 18574 DAG size of output: 14802 [2021-03-13 00:47:09,878 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 651 DAG size of output: 927 [2021-03-13 00:47:11,249 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 841 [2021-03-13 00:47:15,026 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 1398 DAG size of output: 1253 [2021-03-13 00:47:17,710 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 2259 DAG size of output: 1943 [2021-03-13 00:47:19,473 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 946 DAG size of output: 977 [2021-03-13 00:47:21,390 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 1584 DAG size of output: 1581 [2021-03-13 00:47:21,954 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 3125 DAG size of output: 2976 [2021-03-13 00:47:23,804 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1121 DAG size of output: 1051 [2021-03-13 00:47:25,733 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 1087 DAG size of output: 1007 [2021-03-13 00:47:26,008 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 1739 DAG size of output: 1689 [2021-03-13 00:47:28,343 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 963 [2021-03-13 00:47:30,393 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 812 DAG size of output: 729 [2021-03-13 00:47:30,530 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 1225 DAG size of output: 1105 [2021-03-13 00:47:30,803 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 2086 DAG size of output: 1855 [2021-03-13 00:47:31,908 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 5189 DAG size of output: 5120 [2021-03-13 00:47:33,366 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 5464 DAG size of output: 5420 [2021-03-13 00:47:34,800 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 5505 DAG size of output: 5370 [2021-03-13 00:47:38,089 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 1254 DAG size of output: 1164 [2021-03-13 00:47:40,064 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 1100 DAG size of output: 895 [2021-03-13 00:47:40,319 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 1982 DAG size of output: 1548 [2021-03-13 00:47:42,182 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 904 [2021-03-13 00:47:44,568 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 1367 DAG size of output: 1031 [2021-03-13 00:47:45,112 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 3540 DAG size of output: 2743 [2021-03-13 00:47:45,688 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 3752 DAG size of output: 2945 [2021-03-13 00:47:46,381 WARN L205 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 3782 DAG size of output: 2948 [2021-03-13 00:47:48,213 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 1201 DAG size of output: 1061 [2021-03-13 00:47:49,651 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 1737 DAG size of output: 1574 [2021-03-13 00:47:49,891 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 1758 DAG size of output: 1591 [2021-03-13 00:47:52,083 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 1304 DAG size of output: 1135 [2021-03-13 00:47:52,251 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 1332 DAG size of output: 1158 [2021-03-13 00:47:52,664 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 2755 DAG size of output: 2423 [2021-03-13 00:47:52,873 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 510 DAG size of output: 638 [2021-03-13 00:47:54,195 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 611 [2021-03-13 00:47:55,164 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 1211 DAG size of output: 1039 [2021-03-13 00:47:56,748 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 934 DAG size of output: 751 [2021-03-13 00:47:56,899 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 958 DAG size of output: 763 [2021-03-13 00:47:57,205 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 1912 DAG size of output: 1493 [2021-03-13 00:47:57,939 WARN L205 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 3858 DAG size of output: 3339 [2021-03-13 00:47:59,367 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 6616 DAG size of output: 5590 [2021-03-13 00:48:02,127 WARN L205 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 11460 DAG size of output: 9966 [2021-03-13 00:48:04,079 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 1214 DAG size of output: 908 [2021-03-13 00:48:05,856 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1182 DAG size of output: 876 [2021-03-13 00:48:06,142 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 2166 DAG size of output: 1467 [2021-03-13 00:48:09,259 WARN L205 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 13202 DAG size of output: 11038 [2021-03-13 00:48:12,580 WARN L205 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 14429 DAG size of output: 11480 [2021-03-13 00:48:17,039 WARN L205 SmtUtils]: Spent 3.47 s on a formula simplification. DAG size of input: 14709 DAG size of output: 11827 [2021-03-13 00:48:20,902 WARN L205 SmtUtils]: Spent 3.78 s on a formula simplification. DAG size of input: 15008 DAG size of output: 12048 [2021-03-13 00:48:29,297 WARN L205 SmtUtils]: Spent 8.29 s on a formula simplification. DAG size of input: 32411 DAG size of output: 25107 [2021-03-13 00:48:38,167 WARN L205 SmtUtils]: Spent 8.70 s on a formula simplification. DAG size of input: 32818 DAG size of output: 25389 [2021-03-13 00:48:54,360 WARN L205 SmtUtils]: Spent 15.99 s on a formula simplification. DAG size of input: 57077 DAG size of output: 45107 [2021-03-13 00:49:11,340 WARN L205 SmtUtils]: Spent 16.69 s on a formula simplification. DAG size of input: 57471 DAG size of output: 45432 [2021-03-13 00:49:14,846 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 1504 DAG size of output: 1076 [2021-03-13 00:49:18,130 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 957 DAG size of output: 970 [2021-03-13 00:49:21,038 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 817 DAG size of output: 925 [2021-03-13 00:49:21,240 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 1283 DAG size of output: 1415 [2021-03-13 00:49:21,654 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 2055 DAG size of output: 2188 [2021-03-13 00:49:23,640 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 998 DAG size of output: 964 [2021-03-13 00:49:25,342 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 1112 DAG size of output: 1001 [2021-03-13 00:49:27,359 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 1055 DAG size of output: 889 [2021-03-13 00:49:29,174 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 1018 DAG size of output: 971 [2021-03-13 00:49:29,412 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 1770 DAG size of output: 1581 [2021-03-13 00:49:29,921 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 2742 DAG size of output: 2659 [2021-03-13 00:49:30,824 WARN L205 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 4053 DAG size of output: 4092 [2021-03-13 00:49:32,819 WARN L205 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 4261 DAG size of output: 4309 [2021-03-13 00:49:34,110 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 4554 DAG size of output: 4422 [2021-03-13 00:49:39,678 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 1428 DAG size of output: 1345 [2021-03-13 00:49:40,002 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 2147 DAG size of output: 2088 [2021-03-13 00:49:43,752 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 1694 DAG size of output: 1421 [2021-03-13 00:49:45,590 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 1120 DAG size of output: 1010 [2021-03-13 00:49:47,217 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 1662 DAG size of output: 1507 [2021-03-13 00:49:47,675 WARN L205 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 2968 DAG size of output: 2614 [2021-03-13 00:49:48,520 WARN L205 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 4476 DAG size of output: 4129 [2021-03-13 00:49:50,429 WARN L205 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 4811 DAG size of output: 4441 [2021-03-13 00:49:51,405 WARN L205 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 5104 DAG size of output: 4605 [2021-03-13 00:49:53,505 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 8904 DAG size of output: 7925 [2021-03-13 00:49:55,863 WARN L205 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 10245 DAG size of output: 8713 [2021-03-13 00:49:58,484 WARN L205 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 10495 DAG size of output: 8927 [2021-03-13 00:50:01,626 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 1060 DAG size of output: 892 [2021-03-13 00:50:03,269 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 767 DAG size of output: 697 [2021-03-13 00:50:03,389 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 775 DAG size of output: 706 [2021-03-13 00:50:03,676 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 1683 DAG size of output: 1388 [2021-03-13 00:50:04,033 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 2494 DAG size of output: 1902 [2021-03-13 00:50:04,154 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 779 [2021-03-13 00:50:06,282 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 872 DAG size of output: 788 [2021-03-13 00:50:07,890 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 1559 DAG size of output: 1303 [2021-03-13 00:50:08,169 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 1813 DAG size of output: 1472 [2021-03-13 00:50:10,454 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 996 DAG size of output: 953 [2021-03-13 00:50:12,067 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 880 DAG size of output: 845 [2021-03-13 00:50:12,322 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 1732 DAG size of output: 1641 [2021-03-13 00:50:12,647 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 1950 DAG size of output: 1804 [2021-03-13 00:50:12,989 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 2215 DAG size of output: 2036 [2021-03-13 00:50:13,540 WARN L205 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 3370 DAG size of output: 2783 [2021-03-13 00:50:15,343 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 1148 DAG size of output: 1057 [2021-03-13 00:50:17,216 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 1940 DAG size of output: 1823 [2021-03-13 00:50:19,830 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 1382 DAG size of output: 1352 [2021-03-13 00:50:20,290 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 2892 DAG size of output: 2753 [2021-03-13 00:50:22,269 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 3427 DAG size of output: 3211 [2021-03-13 00:50:23,395 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 5823 DAG size of output: 5114 [2021-03-13 00:50:24,593 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 6142 DAG size of output: 5314 [2021-03-13 00:50:29,459 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 1455 DAG size of output: 1265 [2021-03-13 00:50:29,778 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 2444 DAG size of output: 2149 [2021-03-13 00:50:31,381 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 1047 DAG size of output: 985 [2021-03-13 00:50:32,756 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 1684 DAG size of output: 1551 [2021-03-13 00:50:33,017 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 1819 DAG size of output: 1645 [2021-03-13 00:50:34,595 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1136 DAG size of output: 900 [2021-03-13 00:50:36,292 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 1131 DAG size of output: 1064 [2021-03-13 00:50:36,427 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 1272 DAG size of output: 1153 [2021-03-13 00:50:36,654 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 2016 DAG size of output: 1614 [2021-03-13 00:50:37,154 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 3342 DAG size of output: 2802 [2021-03-13 00:50:37,976 WARN L205 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 5079 DAG size of output: 4362 [2021-03-13 00:50:41,157 WARN L205 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 5658 DAG size of output: 4888 [2021-03-13 00:50:42,426 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 5971 DAG size of output: 5124 Received shutdown request... [2021-03-13 00:50:44,709 WARN L205 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 11020 DAG size of output: 9098 [2021-03-13 00:50:47,463 WARN L205 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 13314 DAG size of output: 10671 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown