/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 09:18:51,075 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 09:18:51,077 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 09:18:51,103 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-12 09:18:51,104 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-12 09:18:51,107 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-12 09:18:51,108 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-12 09:18:51,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-12 09:18:51,122 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-12 09:18:51,126 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-12 09:18:51,128 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-12 09:18:51,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-12 09:18:51,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-12 09:18:51,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-12 09:18:51,133 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-12 09:18:51,140 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-12 09:18:51,142 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-12 09:18:51,144 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-12 09:18:51,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-12 09:18:51,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-12 09:18:51,156 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-12 09:18:51,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-12 09:18:51,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-12 09:18:51,160 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-12 09:18:51,164 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-12 09:18:51,167 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-12 09:18:51,168 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-12 09:18:51,169 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-12 09:18:51,170 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-12 09:18:51,170 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-12 09:18:51,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-12 09:18:51,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-12 09:18:51,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-12 09:18:51,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 09:18:51,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 09:18:51,173 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 09:18:51,177 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-Delay.epf [2021-03-12 09:18:51,218 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 09:18:51,219 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 09:18:51,219 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 09:18:51,220 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 09:18:51,223 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 09:18:51,223 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 09:18:51,223 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 09:18:51,223 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 09:18:51,223 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 09:18:51,223 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 09:18:51,224 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 09:18:51,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 09:18:51,224 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 09:18:51,225 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 09:18:51,225 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 09:18:51,225 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 09:18:51,225 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 09:18:51,225 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 09:18:51,225 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 09:18:51,226 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 09:18:51,226 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 09:18:51,226 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 09:18:51,226 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 09:18:51,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 09:18:51,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 09:18:51,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 09:18:51,226 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 09:18:51,226 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 09:18:51,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 09:18:51,227 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-12 09:18:51,227 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 09:18:51,227 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 09:18:51,227 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-12 09:18:51,227 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 09:18:51,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 09:18:51,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 09:18:51,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 09:18:51,568 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-12 09:18:51,570 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-12 09:18:51,571 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl [2021-03-12 09:18:51,571 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl' [2021-03-12 09:18:51,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 09:18:51,620 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-12 09:18:51,621 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 09:18:51,621 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 09:18:51,622 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 09:18:51,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:18:51" (1/1) ... [2021-03-12 09:18:51,639 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:18:51" (1/1) ... [2021-03-12 09:18:51,646 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 09:18:51,648 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 09:18:51,648 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 09:18:51,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 09:18:51,655 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:18:51" (1/1) ... [2021-03-12 09:18:51,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:18:51" (1/1) ... [2021-03-12 09:18:51,656 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:18:51" (1/1) ... [2021-03-12 09:18:51,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:18:51" (1/1) ... [2021-03-12 09:18:51,661 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:18:51" (1/1) ... [2021-03-12 09:18:51,664 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:18:51" (1/1) ... [2021-03-12 09:18:51,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:18:51" (1/1) ... [2021-03-12 09:18:51,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 09:18:51,669 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 09:18:51,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 09:18:51,669 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 09:18:51,671 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:18:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 09:18:51,734 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-12 09:18:51,735 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-12 09:18:51,735 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-12 09:18:51,735 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-12 09:18:51,735 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-12 09:18:51,735 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-12 09:18:51,735 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-12 09:18:51,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 09:18:51,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 09:18:51,736 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-12 09:18:51,736 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-12 09:18:51,736 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-12 09:18:51,737 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-12 09:18:51,993 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 09:18:51,993 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-12 09:18:51,995 INFO L202 PluginConnector]: Adding new model prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 09:18:51 BoogieIcfgContainer [2021-03-12 09:18:51,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 09:18:51,996 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 09:18:51,997 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 09:18:51,999 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 09:18:51,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:18:51" (1/2) ... [2021-03-12 09:18:52,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35d32daa and model type prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 09:18:52, skipping insertion in model container [2021-03-12 09:18:52,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 09:18:51" (2/2) ... [2021-03-12 09:18:52,002 INFO L111 eAbstractionObserver]: Analyzing ICFG prod-cons.wvr.bpl [2021-03-12 09:18:52,006 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 09:18:52,007 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 09:18:52,010 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 09:18:52,011 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 09:18:52,065 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-03-12 09:18:52,094 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-03-12 09:18:52,193 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 09:18:52,193 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 09:18:52,193 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 09:18:52,193 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 09:18:52,194 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 09:18:52,194 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 09:18:52,194 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 09:18:52,194 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 09:18:52,349 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:18:52,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:18:52,356 INFO L82 PathProgramCache]: Analyzing trace with hash 1042936580, now seen corresponding path program 1 times [2021-03-12 09:18:52,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:18:52,365 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207950088] [2021-03-12 09:18:52,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:18:52,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:18:52,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:18:52,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207950088] [2021-03-12 09:18:52,525 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 09:18:52,525 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 09:18:52,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705451987] [2021-03-12 09:18:52,533 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 09:18:52,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:18:52,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 09:18:52,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 09:18:52,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:18:52,548 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:18:52,552 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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) [2021-03-12 09:18:52,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:18:52,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:18:52,584 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 09:18:52,584 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:18:52,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:18:52,587 INFO L82 PathProgramCache]: Analyzing trace with hash -1796699152, now seen corresponding path program 1 times [2021-03-12 09:18:52,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:18:52,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739644980] [2021-03-12 09:18:52,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:18:52,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:18:52,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 09:18:52,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739644980] [2021-03-12 09:18:52,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1885277521] [2021-03-12 09:18:52,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:18:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:18:52,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-12 09:18:52,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:18:52,896 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:18:52,897 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:18:52,897 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6] total 8 [2021-03-12 09:18:52,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86330113] [2021-03-12 09:18:52,898 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-12 09:18:52,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:18:52,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-12 09:18:52,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-12 09:18:52,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:18:52,899 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:18:52,900 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 09:18:52,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:18:52,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:18:53,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:18:53,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:18:53,319 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:18:53,320 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:18:53,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:18:53,320 INFO L82 PathProgramCache]: Analyzing trace with hash -822513611, now seen corresponding path program 2 times [2021-03-12 09:18:53,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:18:53,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557024348] [2021-03-12 09:18:53,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:18:53,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:18:53,432 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:18:53,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557024348] [2021-03-12 09:18:53,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [620400450] [2021-03-12 09:18:53,433 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:18:53,471 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 09:18:53,471 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:18:53,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2021-03-12 09:18:53,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:18:53,595 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:18:53,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:18:53,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 4] total 12 [2021-03-12 09:18:53,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682260842] [2021-03-12 09:18:53,596 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-12 09:18:53,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:18:53,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-12 09:18:53,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-03-12 09:18:53,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:18:53,597 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:18:53,597 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 12 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 09:18:53,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:18:53,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:18:53,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:18:53,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:18:53,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:18:53,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:18:54,088 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:18:54,089 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:18:54,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:18:54,089 INFO L82 PathProgramCache]: Analyzing trace with hash 814619236, now seen corresponding path program 3 times [2021-03-12 09:18:54,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:18:54,089 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646504628] [2021-03-12 09:18:54,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:18:54,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:18:54,178 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:18:54,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646504628] [2021-03-12 09:18:54,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1810675899] [2021-03-12 09:18:54,179 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:18:54,216 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-03-12 09:18:54,216 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:18:54,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-12 09:18:54,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:18:54,275 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:18:54,275 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:18:54,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2021-03-12 09:18:54,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370842454] [2021-03-12 09:18:54,276 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-12 09:18:54,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:18:54,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-12 09:18:54,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-03-12 09:18:54,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:18:54,277 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:18:54,277 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 09:18:54,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:18:54,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:18:54,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:18:54,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:18:54,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:18:54,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:18:54,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:18:54,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:18:54,503 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:18:54,504 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:18:54,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:18:54,504 INFO L82 PathProgramCache]: Analyzing trace with hash 116568400, now seen corresponding path program 4 times [2021-03-12 09:18:54,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:18:54,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414964704] [2021-03-12 09:18:54,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:18:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:18:54,681 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:18:54,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414964704] [2021-03-12 09:18:54,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086141705] [2021-03-12 09:18:54,682 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:18:54,740 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 09:18:54,741 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:18:54,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-12 09:18:54,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:18:55,096 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-03-12 09:18:55,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 13 [2021-03-12 09:18:55,101 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 09:18:55,104 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 09:18:55,106 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 09:18:55,106 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:32, output treesize:10 [2021-03-12 09:18:55,195 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:18:55,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:18:55,196 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 26 [2021-03-12 09:18:55,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358909922] [2021-03-12 09:18:55,197 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-03-12 09:18:55,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:18:55,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-03-12 09:18:55,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=557, Unknown=0, NotChecked=0, Total=650 [2021-03-12 09:18:55,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:18:55,207 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:18:55,207 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 2.423076923076923) internal successors, (63), 26 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 09:18:55,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:18:55,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:18:55,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:18:55,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:18:55,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:18:55,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:18:55,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:18:55,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:18:55,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:18:55,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:18:55,983 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-03-12 09:18:55,983 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:18:55,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:18:55,984 INFO L82 PathProgramCache]: Analyzing trace with hash -1179857195, now seen corresponding path program 5 times [2021-03-12 09:18:55,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:18:55,984 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756767349] [2021-03-12 09:18:55,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:18:55,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:18:56,044 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 22 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:18:56,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756767349] [2021-03-12 09:18:56,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [206510321] [2021-03-12 09:18:56,044 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:18:56,072 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-03-12 09:18:56,073 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:18:56,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-12 09:18:56,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:18:56,183 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 22 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:18:56,184 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:18:56,184 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 7 [2021-03-12 09:18:56,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992198804] [2021-03-12 09:18:56,185 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-12 09:18:56,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:18:56,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-12 09:18:56,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-03-12 09:18:56,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:18:56,187 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:18:56,187 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 09:18:56,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:18:56,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:18:56,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:18:56,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:18:56,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:18:56,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:18:56,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:18:56,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:18:56,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:18:56,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:18:56,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:18:56,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:18:56,423 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:18:56,423 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:18:56,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:18:56,424 INFO L82 PathProgramCache]: Analyzing trace with hash -536378175, now seen corresponding path program 6 times [2021-03-12 09:18:56,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:18:56,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282218532] [2021-03-12 09:18:56,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:18:56,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:18:56,732 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:18:56,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282218532] [2021-03-12 09:18:56,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1795107281] [2021-03-12 09:18:56,735 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:18:56,773 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-03-12 09:18:56,774 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:18:56,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 29 conjunts are in the unsatisfiable core [2021-03-12 09:18:56,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:18:58,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:18:58,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:18:58,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:18:58,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:18:58,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:18:58,192 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 09:18:58,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 34 treesize of output 66 [2021-03-12 09:18:58,365 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-03-12 09:18:58,430 INFO L628 ElimStorePlain]: treesize reduction 105, result has 34.4 percent of original size [2021-03-12 09:18:58,450 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 09:18:58,450 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:57, output treesize:33 [2021-03-12 09:18:58,637 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:18:58,638 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:18:58,638 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 21] total 36 [2021-03-12 09:18:58,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308920971] [2021-03-12 09:18:58,639 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-03-12 09:18:58,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:18:58,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-03-12 09:18:58,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=1125, Unknown=0, NotChecked=0, Total=1260 [2021-03-12 09:18:58,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:18:58,642 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:18:58,642 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.0833333333333335) internal successors, (75), 36 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 09:18:58,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:18:58,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:18:58,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:18:58,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:18:58,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:18:58,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:18:58,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:18:59,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:18:59,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:18:59,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:18:59,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:18:59,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:18:59,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:18:59,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:19:00,143 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:19:00,144 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:19:00,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:19:00,145 INFO L82 PathProgramCache]: Analyzing trace with hash -1087107408, now seen corresponding path program 7 times [2021-03-12 09:19:00,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:19:00,145 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830348886] [2021-03-12 09:19:00,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:19:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:19:00,572 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:19:00,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830348886] [2021-03-12 09:19:00,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318776041] [2021-03-12 09:19:00,572 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:19:00,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:19:00,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 37 conjunts are in the unsatisfiable core [2021-03-12 09:19:00,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:19:01,316 INFO L354 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2021-03-12 09:19:01,316 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 22 [2021-03-12 09:19:01,318 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 09:19:01,323 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 09:19:01,323 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 09:19:01,324 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:57, output treesize:10 [2021-03-12 09:19:01,428 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:19:01,428 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:19:01,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 42 [2021-03-12 09:19:01,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679254416] [2021-03-12 09:19:01,429 INFO L460 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-03-12 09:19:01,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:19:01,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-03-12 09:19:01,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=1548, Unknown=0, NotChecked=0, Total=1722 [2021-03-12 09:19:01,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:19:01,430 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:19:01,431 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 2.0714285714285716) internal successors, (87), 42 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 09:19:01,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:19:01,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:19:01,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:19:01,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:19:01,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:19:01,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:19:01,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:19:01,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:19:02,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:19:02,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:19:02,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:19:02,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:19:02,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:19:02,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:19:02,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:19:02,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:19:03,203 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2021-03-12 09:19:03,203 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:19:03,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:19:03,204 INFO L82 PathProgramCache]: Analyzing trace with hash -1203899019, now seen corresponding path program 8 times [2021-03-12 09:19:03,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:19:03,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964713384] [2021-03-12 09:19:03,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:19:03,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:19:03,272 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 51 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:19:03,272 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964713384] [2021-03-12 09:19:03,272 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087457362] [2021-03-12 09:19:03,272 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:19:03,307 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 09:19:03,308 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:19:03,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-12 09:19:03,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:19:03,398 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 51 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:19:03,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:19:03,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 9 [2021-03-12 09:19:03,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446703399] [2021-03-12 09:19:03,401 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-12 09:19:03,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:19:03,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-12 09:19:03,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-03-12 09:19:03,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:19:03,401 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:19:03,402 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 09:19:03,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:19:03,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:19:03,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:19:03,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:19:03,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:19:03,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:19:03,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:19:03,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:19:03,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:19:03,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:19:03,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:19:03,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:19:03,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:19:03,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:19:03,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:19:03,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:19:03,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:19:03,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:19:03,643 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:19:03,643 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:19:03,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:19:03,644 INFO L82 PathProgramCache]: Analyzing trace with hash -1409603231, now seen corresponding path program 9 times [2021-03-12 09:19:03,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:19:03,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856041920] [2021-03-12 09:19:03,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:19:03,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:19:04,180 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:19:04,180 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856041920] [2021-03-12 09:19:04,180 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [845997962] [2021-03-12 09:19:04,180 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:19:04,212 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-03-12 09:19:04,213 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:19:04,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 48 conjunts are in the unsatisfiable core [2021-03-12 09:19:04,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:19:05,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:19:05,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:19:05,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:19:05,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:19:05,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:19:05,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:19:05,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:19:05,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:19:05,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:19:05,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:19:05,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:19:05,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:19:05,638 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 09:19:05,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 66 treesize of output 134 [2021-03-12 09:19:06,407 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 6 xjuncts. [2021-03-12 09:19:06,558 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 28 [2021-03-12 09:19:06,560 INFO L628 ElimStorePlain]: treesize reduction 2254, result has 2.0 percent of original size [2021-03-12 09:19:06,566 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 09:19:06,566 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:77, output treesize:57 [2021-03-12 09:19:06,784 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:19:06,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:19:06,784 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 29] total 52 [2021-03-12 09:19:06,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821130596] [2021-03-12 09:19:06,784 INFO L460 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-03-12 09:19:06,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:19:06,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-03-12 09:19:06,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=2433, Unknown=0, NotChecked=0, Total=2652 [2021-03-12 09:19:06,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:19:06,786 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:19:06,786 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 1.9038461538461537) internal successors, (99), 52 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 09:19:06,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:19:06,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:19:06,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:19:06,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:19:06,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:19:06,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:19:06,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:19:06,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:19:06,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:19:06,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:19:09,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:19:09,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:19:09,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:19:09,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:19:09,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:19:09,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:19:09,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:19:09,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:19:09,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:19:09,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 09:19:09,719 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2021-03-12 09:19:09,719 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:19:09,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:19:09,720 INFO L82 PathProgramCache]: Analyzing trace with hash -498949104, now seen corresponding path program 10 times [2021-03-12 09:19:09,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:19:09,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730618740] [2021-03-12 09:19:09,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:19:09,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:19:10,429 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:19:10,430 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730618740] [2021-03-12 09:19:10,430 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [797477523] [2021-03-12 09:19:10,430 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:19:10,463 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 09:19:10,464 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:19:10,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 53 conjunts are in the unsatisfiable core [2021-03-12 09:19:10,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:19:11,896 INFO L354 Elim1Store]: treesize reduction 180, result has 0.6 percent of original size [2021-03-12 09:19:11,896 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 6 new quantified variables, introduced 15 case distinctions, treesize of input 78 treesize of output 30 [2021-03-12 09:19:11,898 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 09:19:11,903 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 09:19:11,904 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 09:19:11,904 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:81, output treesize:10 [2021-03-12 09:19:12,035 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:19:12,035 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:19:12,035 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 58 [2021-03-12 09:19:12,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054007895] [2021-03-12 09:19:12,036 INFO L460 AbstractCegarLoop]: Interpolant automaton has 58 states [2021-03-12 09:19:12,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:19:12,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-03-12 09:19:12,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=267, Invalid=3039, Unknown=0, NotChecked=0, Total=3306 [2021-03-12 09:19:12,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:19:12,037 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:19:12,038 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 58 states, 58 states have (on average 1.9137931034482758) internal successors, (111), 58 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 09:19:12,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:19:12,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:19:12,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:19:12,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:19:12,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:19:12,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:19:12,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:19:12,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:19:12,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:19:12,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 09:19:12,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:19:15,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:19:15,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:19:15,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:19:15,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:19:15,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:19:15,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:19:15,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:19:15,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:19:15,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:19:15,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 09:19:15,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-03-12 09:19:15,367 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable238 [2021-03-12 09:19:15,367 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:19:15,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:19:15,368 INFO L82 PathProgramCache]: Analyzing trace with hash 1448535061, now seen corresponding path program 11 times [2021-03-12 09:19:15,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:19:15,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262743676] [2021-03-12 09:19:15,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:19:15,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:19:15,449 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 92 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:19:15,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262743676] [2021-03-12 09:19:15,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1355016311] [2021-03-12 09:19:15,450 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:19:15,484 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-03-12 09:19:15,485 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:19:15,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 16 conjunts are in the unsatisfiable core [2021-03-12 09:19:15,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:19:15,590 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 92 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:19:15,591 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:19:15,591 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 11 [2021-03-12 09:19:15,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570796414] [2021-03-12 09:19:15,591 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-12 09:19:15,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:19:15,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-12 09:19:15,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2021-03-12 09:19:15,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:19:15,592 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:19:15,592 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 09:19:15,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:19:15,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:19:15,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:19:15,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:19:15,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:19:15,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:19:15,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:19:15,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:19:15,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:19:15,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 09:19:15,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-03-12 09:19:15,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:19:15,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:19:15,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:19:15,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:19:15,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:19:15,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:19:15,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:19:15,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:19:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:19:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:19:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 09:19:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-03-12 09:19:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:19:15,849 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable241,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:19:15,849 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:19:15,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:19:15,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1851156991, now seen corresponding path program 12 times [2021-03-12 09:19:15,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:19:15,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632590297] [2021-03-12 09:19:15,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:19:15,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:19:16,716 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 184 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:19:16,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632590297] [2021-03-12 09:19:16,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058461031] [2021-03-12 09:19:16,728 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:19:16,768 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-03-12 09:19:16,768 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:19:16,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 61 conjunts are in the unsatisfiable core [2021-03-12 09:19:16,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:19:18,810 INFO L354 Elim1Store]: treesize reduction 240, result has 0.4 percent of original size [2021-03-12 09:19:18,810 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 7 new quantified variables, introduced 21 case distinctions, treesize of input 86 treesize of output 34 [2021-03-12 09:19:18,813 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 09:19:18,818 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 09:19:18,818 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 09:19:18,819 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:89, output treesize:10 [2021-03-12 09:19:18,969 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 184 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:19:18,969 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:19:18,969 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 66 [2021-03-12 09:19:18,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384794966] [2021-03-12 09:19:18,970 INFO L460 AbstractCegarLoop]: Interpolant automaton has 66 states [2021-03-12 09:19:18,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:19:18,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-03-12 09:19:18,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=318, Invalid=3972, Unknown=0, NotChecked=0, Total=4290 [2021-03-12 09:19:18,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:19:18,972 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:19:18,972 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 66 states, 66 states have (on average 1.9696969696969697) internal successors, (130), 66 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 09:19:18,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:19:18,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:19:18,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:19:18,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:19:18,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:19:18,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:19:18,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:19:18,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:19:18,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:19:18,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 09:19:18,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-03-12 09:19:18,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:19:18,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:19:23,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:19:23,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:19:23,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:19:23,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:19:23,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:19:23,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:19:23,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:19:23,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:19:23,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:19:23,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 09:19:23,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-03-12 09:19:23,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:19:23,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-03-12 09:19:23,704 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable242 [2021-03-12 09:19:23,704 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:19:23,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:19:23,705 INFO L82 PathProgramCache]: Analyzing trace with hash 321642628, now seen corresponding path program 13 times [2021-03-12 09:19:23,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:19:23,705 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639867829] [2021-03-12 09:19:23,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:19:23,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:19:23,801 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 117 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:19:23,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639867829] [2021-03-12 09:19:23,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1182136779] [2021-03-12 09:19:23,802 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:19:23,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:19:23,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 18 conjunts are in the unsatisfiable core [2021-03-12 09:19:23,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:19:23,959 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 117 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:19:23,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:19:23,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 12 [2021-03-12 09:19:23,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792861264] [2021-03-12 09:19:23,959 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-12 09:19:23,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:19:23,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-12 09:19:23,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2021-03-12 09:19:23,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:19:23,960 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:19:23,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 6.166666666666667) internal successors, (74), 12 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 09:19:23,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:19:23,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:19:23,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:19:23,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:19:23,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:19:23,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:19:23,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:19:23,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:19:23,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:19:23,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 09:19:23,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-03-12 09:19:23,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:19:23,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-03-12 09:19:23,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:19:24,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:19:24,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:19:24,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:19:24,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:19:24,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:19:24,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:19:24,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:19:24,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:19:24,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:19:24,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 09:19:24,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-03-12 09:19:24,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:19:24,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-03-12 09:19:24,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 09:19:24,223 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable245,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:19:24,223 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:19:24,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:19:24,224 INFO L82 PathProgramCache]: Analyzing trace with hash -63671952, now seen corresponding path program 14 times [2021-03-12 09:19:24,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:19:24,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528083015] [2021-03-12 09:19:24,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:19:24,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:19:25,428 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:19:25,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528083015] [2021-03-12 09:19:25,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1931628030] [2021-03-12 09:19:25,429 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:19:25,471 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 09:19:25,471 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:19:25,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 69 conjunts are in the unsatisfiable core [2021-03-12 09:19:25,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:19:28,264 INFO L354 Elim1Store]: treesize reduction 336, result has 0.3 percent of original size [2021-03-12 09:19:28,265 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 8 new quantified variables, introduced 28 case distinctions, treesize of input 102 treesize of output 38 [2021-03-12 09:19:28,267 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 09:19:28,273 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 09:19:28,274 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 09:19:28,274 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:105, output treesize:10 [2021-03-12 09:19:28,446 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:19:28,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:19:28,446 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39] total 74 [2021-03-12 09:19:28,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099951899] [2021-03-12 09:19:28,447 INFO L460 AbstractCegarLoop]: Interpolant automaton has 74 states [2021-03-12 09:19:28,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:19:28,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2021-03-12 09:19:28,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=372, Invalid=5030, Unknown=0, NotChecked=0, Total=5402 [2021-03-12 09:19:28,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:19:28,448 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:19:28,450 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 74 states, 74 states have (on average 1.8243243243243243) internal successors, (135), 74 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 09:19:28,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:19:28,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:19:28,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:19:28,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:19:28,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:19:28,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:19:28,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:19:28,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:19:28,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:19:28,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 09:19:28,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-03-12 09:19:28,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:19:28,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-03-12 09:19:28,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 09:19:28,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:19:34,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:19:34,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:19:34,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:19:34,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:19:34,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:19:34,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:19:34,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:19:34,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:19:34,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:19:34,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 09:19:34,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-03-12 09:19:34,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:19:34,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-03-12 09:19:34,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 09:19:34,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-03-12 09:19:34,700 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable246 [2021-03-12 09:19:34,700 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:19:34,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:19:34,701 INFO L82 PathProgramCache]: Analyzing trace with hash -2011063627, now seen corresponding path program 15 times [2021-03-12 09:19:34,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:19:34,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016688311] [2021-03-12 09:19:34,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:19:34,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:19:34,821 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 145 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:19:34,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016688311] [2021-03-12 09:19:34,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1058113465] [2021-03-12 09:19:34,822 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:19:34,866 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-03-12 09:19:34,866 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:19:34,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 20 conjunts are in the unsatisfiable core [2021-03-12 09:19:34,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:19:35,007 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 145 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:19:35,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:19:35,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 13 [2021-03-12 09:19:35,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670191372] [2021-03-12 09:19:35,008 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-12 09:19:35,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:19:35,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-12 09:19:35,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2021-03-12 09:19:35,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:19:35,009 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:19:35,009 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 6.153846153846154) internal successors, (80), 13 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 09:19:35,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:19:35,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:19:35,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:19:35,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:19:35,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:19:35,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:19:35,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:19:35,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:19:35,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:19:35,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 09:19:35,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-03-12 09:19:35,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:19:35,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-03-12 09:19:35,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 09:19:35,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-03-12 09:19:35,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:19:35,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:19:35,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:19:35,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:19:35,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:19:35,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:19:35,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:19:35,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:19:35,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:19:35,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:19:35,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 09:19:35,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-03-12 09:19:35,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:19:35,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-03-12 09:19:35,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 09:19:35,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-03-12 09:19:35,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:19:35,271 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable249,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:19:35,272 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:19:35,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:19:35,272 INFO L82 PathProgramCache]: Analyzing trace with hash -792933727, now seen corresponding path program 16 times [2021-03-12 09:19:35,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:19:35,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551496205] [2021-03-12 09:19:35,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:19:35,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:19:36,841 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:19:36,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551496205] [2021-03-12 09:19:36,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1269504662] [2021-03-12 09:19:36,842 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:19:36,876 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 09:19:36,876 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:19:36,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 77 conjunts are in the unsatisfiable core [2021-03-12 09:19:36,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:19:40,937 INFO L354 Elim1Store]: treesize reduction 432, result has 0.2 percent of original size [2021-03-12 09:19:40,938 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 9 new quantified variables, introduced 36 case distinctions, treesize of input 114 treesize of output 42 [2021-03-12 09:19:40,941 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 09:19:40,947 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 09:19:40,948 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 09:19:40,948 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:117, output treesize:10 [2021-03-12 09:19:41,170 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:19:41,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:19:41,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 43] total 82 [2021-03-12 09:19:41,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400267515] [2021-03-12 09:19:41,171 INFO L460 AbstractCegarLoop]: Interpolant automaton has 82 states [2021-03-12 09:19:41,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:19:41,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2021-03-12 09:19:41,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=429, Invalid=6213, Unknown=0, NotChecked=0, Total=6642 [2021-03-12 09:19:41,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:19:41,173 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:19:41,173 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 82 states, 82 states have (on average 1.7926829268292683) internal successors, (147), 82 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 09:19:41,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:19:41,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:19:41,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:19:41,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:19:41,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:19:41,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:19:41,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:19:41,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:19:41,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:19:41,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 09:19:41,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-03-12 09:19:41,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:19:41,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-03-12 09:19:41,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 09:19:41,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-03-12 09:19:41,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:19:41,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:19:50,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:19:50,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:19:50,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:19:50,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:19:50,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:19:50,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:19:50,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:19:50,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:19:50,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:19:50,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 09:19:50,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-03-12 09:19:50,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:19:50,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-03-12 09:19:50,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 09:19:50,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-03-12 09:19:50,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:19:50,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 09:19:51,143 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable250,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:19:51,143 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:19:51,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:19:51,147 INFO L82 PathProgramCache]: Analyzing trace with hash 790947812, now seen corresponding path program 17 times [2021-03-12 09:19:51,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:19:51,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214279318] [2021-03-12 09:19:51,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:19:51,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:19:51,293 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 176 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:19:51,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214279318] [2021-03-12 09:19:51,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [779504669] [2021-03-12 09:19:51,293 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:19:51,347 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2021-03-12 09:19:51,347 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:19:51,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 22 conjunts are in the unsatisfiable core [2021-03-12 09:19:51,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:19:51,512 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 176 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:19:51,512 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:19:51,512 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 14 [2021-03-12 09:19:51,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934424909] [2021-03-12 09:19:51,513 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-12 09:19:51,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:19:51,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-12 09:19:51,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2021-03-12 09:19:51,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:19:51,513 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:19:51,514 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 6.142857142857143) internal successors, (86), 14 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 09:19:51,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:19:51,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:19:51,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:19:51,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:19:51,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:19:51,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:19:51,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:19:51,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:19:51,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:19:51,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 09:19:51,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-03-12 09:19:51,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:19:51,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-03-12 09:19:51,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 09:19:51,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-03-12 09:19:51,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:19:51,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 09:19:51,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:19:51,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:19:51,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:19:51,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:19:51,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:19:51,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:19:51,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:19:51,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:19:51,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:19:51,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:19:51,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 09:19:51,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-03-12 09:19:51,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:19:51,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-03-12 09:19:51,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 09:19:51,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-03-12 09:19:51,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:19:51,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 09:19:51,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 09:19:51,783 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable253 [2021-03-12 09:19:51,783 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:19:51,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:19:51,784 INFO L82 PathProgramCache]: Analyzing trace with hash 1621063376, now seen corresponding path program 18 times [2021-03-12 09:19:51,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:19:51,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216091800] [2021-03-12 09:19:51,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:19:51,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:19:54,094 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:19:54,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216091800] [2021-03-12 09:19:54,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [216729907] [2021-03-12 09:19:54,095 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:19:54,152 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2021-03-12 09:19:54,153 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:19:54,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 88 conjunts are in the unsatisfiable core [2021-03-12 09:19:54,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:20:00,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:20:00,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 46 [2021-03-12 09:20:00,960 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 09:20:00,970 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 09:20:00,972 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 09:20:00,972 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:134, output treesize:15 [2021-03-12 09:20:01,451 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:20:01,451 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:20:01,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 49] total 92 [2021-03-12 09:20:01,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445762678] [2021-03-12 09:20:01,452 INFO L460 AbstractCegarLoop]: Interpolant automaton has 92 states [2021-03-12 09:20:01,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:20:01,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2021-03-12 09:20:01,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=490, Invalid=7882, Unknown=0, NotChecked=0, Total=8372 [2021-03-12 09:20:01,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:20:01,454 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:20:01,454 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 92 states, 92 states have (on average 1.7282608695652173) internal successors, (159), 92 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 09:20:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:20:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:20:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:20:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:20:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:20:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:20:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:20:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:20:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:20:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 09:20:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-03-12 09:20:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:20:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-03-12 09:20:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 09:20:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-03-12 09:20:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:20:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 09:20:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 09:20:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:20:07,945 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 47 [2021-03-12 09:20:08,224 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 47 [2021-03-12 09:20:08,476 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 48 [2021-03-12 09:20:08,801 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2021-03-12 09:20:09,078 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2021-03-12 09:20:09,336 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 52 [2021-03-12 09:20:09,689 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 55 [2021-03-12 09:20:09,986 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 55 [2021-03-12 09:20:10,271 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2021-03-12 09:20:10,642 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 56 [2021-03-12 09:20:14,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:20:14,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:20:14,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:20:14,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:20:14,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:20:14,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:20:14,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:20:14,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:20:14,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:20:14,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 09:20:14,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-03-12 09:20:14,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:20:14,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-03-12 09:20:14,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 09:20:14,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-03-12 09:20:14,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:20:14,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 09:20:14,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 09:20:14,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-03-12 09:20:15,162 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable254 [2021-03-12 09:20:15,163 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:20:15,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:20:15,163 INFO L82 PathProgramCache]: Analyzing trace with hash 1902036801, now seen corresponding path program 19 times [2021-03-12 09:20:15,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:20:15,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70635548] [2021-03-12 09:20:15,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:20:15,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:20:18,945 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:20:18,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70635548] [2021-03-12 09:20:18,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [958711581] [2021-03-12 09:20:18,945 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:20:18,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:20:18,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 93 conjunts are in the unsatisfiable core [2021-03-12 09:20:18,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:20:29,663 INFO L354 Elim1Store]: treesize reduction 660, result has 0.2 percent of original size [2021-03-12 09:20:29,663 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 11 new quantified variables, introduced 55 case distinctions, treesize of input 138 treesize of output 50 [2021-03-12 09:20:29,670 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 09:20:29,684 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 09:20:29,686 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 09:20:29,686 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:141, output treesize:10 [2021-03-12 09:20:30,203 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:20:30,203 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:20:30,203 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 51] total 98 [2021-03-12 09:20:30,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905212831] [2021-03-12 09:20:30,204 INFO L460 AbstractCegarLoop]: Interpolant automaton has 98 states [2021-03-12 09:20:30,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:20:30,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2021-03-12 09:20:30,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=552, Invalid=8954, Unknown=0, NotChecked=0, Total=9506 [2021-03-12 09:20:30,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:20:30,206 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:20:30,207 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 98 states, 98 states have (on average 1.7448979591836735) internal successors, (171), 98 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 09:20:30,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:20:30,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:20:30,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:20:30,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:20:30,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:20:30,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:20:30,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:20:30,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:20:30,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:20:30,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 09:20:30,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-03-12 09:20:30,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:20:30,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-03-12 09:20:30,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 09:20:30,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-03-12 09:20:30,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:20:30,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 09:20:30,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 09:20:30,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-03-12 09:20:30,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:20:37,598 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 40 [2021-03-12 09:20:37,970 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 41 [2021-03-12 09:20:38,497 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 43 [2021-03-12 09:20:39,253 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 44 [2021-03-12 09:20:39,756 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 47 [2021-03-12 09:20:40,176 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 47 [2021-03-12 09:20:40,561 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 48 [2021-03-12 09:20:41,113 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2021-03-12 09:20:41,504 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2021-03-12 09:20:41,916 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 52 [2021-03-12 09:20:42,475 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 56 [2021-03-12 09:20:42,917 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 56 [2021-03-12 09:20:43,342 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 57 [2021-03-12 09:20:43,887 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 56 [2021-03-12 09:20:44,314 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 56 [2021-03-12 09:20:44,727 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 55 [2021-03-12 09:20:45,935 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2021-03-12 09:20:46,260 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 55 [2021-03-12 09:20:46,764 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 56 [2021-03-12 09:20:47,099 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 56 [2021-03-12 09:20:47,681 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 57 [2021-03-12 09:20:48,017 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 56 [2021-03-12 09:20:48,438 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2021-03-12 09:20:48,807 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 56 [2021-03-12 09:20:49,271 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 57 [2021-03-12 09:20:49,640 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 56 [2021-03-12 09:20:50,142 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2021-03-12 09:20:50,531 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2021-03-12 09:20:51,035 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 57 [2021-03-12 09:20:51,452 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 56 [2021-03-12 09:20:52,090 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 57 [2021-03-12 09:20:52,510 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 56 [2021-03-12 09:20:53,122 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2021-03-12 09:20:53,548 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 56 [2021-03-12 09:20:54,212 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2021-03-12 09:20:54,662 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2021-03-12 09:20:57,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:20:57,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:20:57,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:20:57,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:20:57,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:20:57,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:20:57,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:20:57,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:20:57,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:20:57,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 09:20:57,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-03-12 09:20:57,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:20:57,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-03-12 09:20:57,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 09:20:57,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-03-12 09:20:57,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:20:57,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 09:20:57,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 09:20:57,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-03-12 09:20:57,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-03-12 09:20:57,892 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable257 [2021-03-12 09:20:57,892 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:20:57,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:20:57,893 INFO L82 PathProgramCache]: Analyzing trace with hash 834283332, now seen corresponding path program 20 times [2021-03-12 09:20:57,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:20:57,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097198016] [2021-03-12 09:20:57,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:20:57,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:20:58,275 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 247 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:20:58,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097198016] [2021-03-12 09:20:58,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585407077] [2021-03-12 09:20:58,276 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:20:58,324 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 09:20:58,324 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:20:58,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 26 conjunts are in the unsatisfiable core [2021-03-12 09:20:58,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:20:58,871 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 247 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:20:58,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:20:58,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 16 [2021-03-12 09:20:58,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095768364] [2021-03-12 09:20:58,872 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-12 09:20:58,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:20:58,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-12 09:20:58,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2021-03-12 09:20:58,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:20:58,873 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:20:58,873 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 6.125) internal successors, (98), 16 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 09:20:58,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:20:58,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:20:58,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:20:58,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:20:58,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:20:58,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:20:58,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:20:58,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:20:58,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:20:58,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 09:20:58,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-03-12 09:20:58,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:20:58,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-03-12 09:20:58,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 09:20:58,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-03-12 09:20:58,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:20:58,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 09:20:58,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 09:20:58,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-03-12 09:20:58,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-03-12 09:20:58,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:20:58,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:20:58,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:20:58,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:20:58,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:20:58,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:20:58,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:20:58,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:20:58,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:20:58,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:20:58,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 09:20:58,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-03-12 09:20:58,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:20:58,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-03-12 09:20:58,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 09:20:58,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-03-12 09:20:58,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:20:58,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 09:20:58,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 09:20:58,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-03-12 09:20:58,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-03-12 09:20:58,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 09:20:59,165 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable260 [2021-03-12 09:20:59,165 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:20:59,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:20:59,166 INFO L82 PathProgramCache]: Analyzing trace with hash -1969638352, now seen corresponding path program 21 times [2021-03-12 09:20:59,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:20:59,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208051192] [2021-03-12 09:20:59,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:20:59,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:21:05,395 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 0 proven. 494 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:21:05,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208051192] [2021-03-12 09:21:05,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561305146] [2021-03-12 09:21:05,395 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:21:05,448 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2021-03-12 09:21:05,449 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:21:05,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 101 conjunts are in the unsatisfiable core [2021-03-12 09:21:05,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:21:13,784 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-12 09:21:16,170 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-03-12 09:21:20,956 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-03-12 09:21:22,715 INFO L354 Elim1Store]: treesize reduction 770, result has 0.1 percent of original size [2021-03-12 09:21:22,715 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 12 new quantified variables, introduced 66 case distinctions, treesize of input 146 treesize of output 54 [2021-03-12 09:21:22,723 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 09:21:22,742 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 09:21:22,744 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 09:21:22,745 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:149, output treesize:10 [2021-03-12 09:21:23,572 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 0 proven. 494 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:21:23,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:21:23,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 55] total 106 [2021-03-12 09:21:23,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125220320] [2021-03-12 09:21:23,573 INFO L460 AbstractCegarLoop]: Interpolant automaton has 106 states [2021-03-12 09:21:23,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:21:23,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2021-03-12 09:21:23,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=618, Invalid=10512, Unknown=0, NotChecked=0, Total=11130 [2021-03-12 09:21:23,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:21:23,575 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:21:23,575 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 106 states, 106 states have (on average 1.7264150943396226) internal successors, (183), 106 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 09:21:23,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:21:23,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:21:23,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:21:23,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:21:23,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:21:23,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:21:23,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:21:23,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:21:23,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:21:23,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 09:21:23,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-03-12 09:21:23,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:21:23,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-03-12 09:21:23,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 09:21:23,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-03-12 09:21:23,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:21:23,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 09:21:23,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 09:21:23,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-03-12 09:21:23,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-03-12 09:21:23,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 09:21:23,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:21:28,123 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 27 [2021-03-12 09:21:29,555 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 31 [2021-03-12 09:21:30,387 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 32 [2021-03-12 09:21:31,031 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2021-03-12 09:21:31,483 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2021-03-12 09:21:31,931 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 36 [2021-03-12 09:21:32,553 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2021-03-12 09:21:33,049 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2021-03-12 09:21:33,543 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2021-03-12 09:21:34,184 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2021-03-12 09:21:34,685 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2021-03-12 09:21:35,129 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 44 [2021-03-12 09:21:35,755 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 47 [2021-03-12 09:21:36,206 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 47 [2021-03-12 09:21:36,700 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 48 [2021-03-12 09:21:37,297 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2021-03-12 09:21:37,799 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2021-03-12 09:21:38,271 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 52 [2021-03-12 09:21:38,920 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 56 [2021-03-12 09:21:39,431 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 56 [2021-03-12 09:21:39,957 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 57 [2021-03-12 09:21:40,603 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2021-03-12 09:21:41,144 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2021-03-12 09:21:41,646 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 60 [2021-03-12 09:21:42,304 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 60 [2021-03-12 09:21:42,840 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 60 [2021-03-12 09:21:43,461 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 59 [2021-03-12 09:21:45,288 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 61 [2021-03-12 09:21:45,772 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 59 [2021-03-12 09:21:46,447 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 60 [2021-03-12 09:21:46,955 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 60 [2021-03-12 09:21:47,908 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 61 [2021-03-12 09:21:48,437 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 60 [2021-03-12 09:21:49,504 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 61 [2021-03-12 09:21:50,044 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 60 [2021-03-12 09:21:51,163 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 61 [2021-03-12 09:21:51,724 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 60 [2021-03-12 09:21:52,855 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 61 [2021-03-12 09:21:53,499 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 60 [2021-03-12 09:21:54,258 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2021-03-12 09:21:54,898 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 60 [2021-03-12 09:21:55,704 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2021-03-12 09:21:56,314 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2021-03-12 09:21:57,196 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2021-03-12 09:21:57,766 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2021-03-12 09:21:58,900 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2021-03-12 09:21:59,553 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2021-03-12 09:22:00,641 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2021-03-12 09:22:01,377 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2021-03-12 09:22:06,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:22:06,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:22:06,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:22:06,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:22:06,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:22:06,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:22:06,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:22:06,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:22:06,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:22:06,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 09:22:06,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-03-12 09:22:06,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:22:06,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-03-12 09:22:06,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 09:22:06,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-03-12 09:22:06,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:22:06,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 09:22:06,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 09:22:06,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-03-12 09:22:06,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-03-12 09:22:06,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 09:22:06,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-03-12 09:22:07,079 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable261,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:22:07,079 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:22:07,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:22:07,080 INFO L82 PathProgramCache]: Analyzing trace with hash 1106534389, now seen corresponding path program 22 times [2021-03-12 09:22:07,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:22:07,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935769233] [2021-03-12 09:22:07,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:22:07,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:22:07,634 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 287 proven. 247 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:22:07,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935769233] [2021-03-12 09:22:07,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1099597604] [2021-03-12 09:22:07,634 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:22:07,676 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 09:22:07,676 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:22:07,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 28 conjunts are in the unsatisfiable core [2021-03-12 09:22:07,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:22:08,764 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 287 proven. 247 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:22:08,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:22:08,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 17 [2021-03-12 09:22:08,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137947388] [2021-03-12 09:22:08,765 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-12 09:22:08,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:22:08,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-12 09:22:08,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2021-03-12 09:22:08,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:22:08,765 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:22:08,765 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 6.117647058823529) internal successors, (104), 17 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 09:22:08,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:22:08,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:22:08,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:22:08,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:22:08,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:22:08,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:22:08,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:22:08,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:22:08,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:22:08,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 09:22:08,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-03-12 09:22:08,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:22:08,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-03-12 09:22:08,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 09:22:08,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-03-12 09:22:08,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:22:08,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 09:22:08,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 09:22:08,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-03-12 09:22:08,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-03-12 09:22:08,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 09:22:08,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-03-12 09:22:08,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:22:08,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:22:08,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:22:08,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:22:08,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:22:08,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:22:08,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:22:08,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:22:08,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:22:08,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:22:08,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 09:22:08,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-03-12 09:22:08,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:22:08,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-03-12 09:22:08,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 09:22:08,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-03-12 09:22:08,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:22:08,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 09:22:08,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 09:22:08,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-03-12 09:22:08,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-03-12 09:22:08,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 09:22:08,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-03-12 09:22:08,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 09:22:09,068 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable264,24 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:22:09,068 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:22:09,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:22:09,069 INFO L82 PathProgramCache]: Analyzing trace with hash -465990687, now seen corresponding path program 23 times [2021-03-12 09:22:09,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:22:09,069 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60190133] [2021-03-12 09:22:09,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:22:09,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:22:19,267 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 0 proven. 574 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:22:19,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60190133] [2021-03-12 09:22:19,268 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [187294325] [2021-03-12 09:22:19,268 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:22:19,328 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2021-03-12 09:22:19,329 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:22:19,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 107 conjunts are in the unsatisfiable core [2021-03-12 09:22:19,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:22:28,915 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-12 09:22:29,952 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 09:22:30,517 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 09:22:31,193 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 09:22:31,816 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 09:22:32,342 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 09:22:33,008 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 09:22:33,610 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-03-12 09:22:34,244 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 09:22:34,859 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 09:22:35,492 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 09:22:36,095 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 09:22:36,762 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 09:22:37,420 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 09:22:38,114 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 09:22:38,845 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 09:22:39,579 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 09:22:40,283 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 09:22:41,036 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 09:22:41,791 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 09:22:42,589 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 09:22:43,413 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 09:22:44,315 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 09:22:45,201 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 09:22:46,109 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 09:22:46,942 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 09:22:47,818 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 09:22:48,668 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 09:22:49,602 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-12 09:22:50,517 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 09:22:50,600 INFO L354 Elim1Store]: treesize reduction 912, result has 0.1 percent of original size [2021-03-12 09:22:50,601 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 13 new quantified variables, introduced 78 case distinctions, treesize of input 158 treesize of output 58 [2021-03-12 09:22:50,611 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 09:22:50,640 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 09:22:50,645 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 09:22:50,646 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:161, output treesize:10 [2021-03-12 09:22:52,088 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 0 proven. 574 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:22:52,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:22:52,089 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 59] total 114 [2021-03-12 09:22:52,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280389868] [2021-03-12 09:22:52,089 INFO L460 AbstractCegarLoop]: Interpolant automaton has 114 states [2021-03-12 09:22:52,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:22:52,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2021-03-12 09:22:52,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=687, Invalid=12195, Unknown=0, NotChecked=0, Total=12882 [2021-03-12 09:22:52,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:22:52,092 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:22:52,092 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 114 states, 114 states have (on average 1.7719298245614035) internal successors, (202), 114 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 09:22:52,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:22:52,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:22:52,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:22:52,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:22:52,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:22:52,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:22:52,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:22:52,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:22:52,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:22:52,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 09:22:52,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-03-12 09:22:52,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:22:52,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-03-12 09:22:52,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 09:22:52,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-03-12 09:22:52,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:22:52,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 09:22:52,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 09:22:52,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-03-12 09:22:52,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-03-12 09:22:52,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 09:22:52,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-03-12 09:22:52,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 09:22:52,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:22:55,315 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 18 [2021-03-12 09:22:56,086 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 19 [2021-03-12 09:22:56,846 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 20 [2021-03-12 09:22:58,014 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 24 [2021-03-12 09:22:58,864 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 24 [2021-03-12 09:22:59,743 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2021-03-12 09:23:01,124 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 27 [2021-03-12 09:23:02,055 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 27 [2021-03-12 09:23:02,875 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 28 [2021-03-12 09:23:04,139 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 31 [2021-03-12 09:23:04,975 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 31 [2021-03-12 09:23:05,798 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 32 [2021-03-12 09:23:06,971 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 35 [2021-03-12 09:23:07,821 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 35 [2021-03-12 09:23:08,649 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 36 [2021-03-12 09:23:09,879 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2021-03-12 09:23:10,749 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2021-03-12 09:23:11,636 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2021-03-12 09:23:12,912 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2021-03-12 09:23:13,866 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2021-03-12 09:23:14,808 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 44 [2021-03-12 09:23:16,125 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 47 [2021-03-12 09:23:17,077 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 47 [2021-03-12 09:23:17,959 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 48 [2021-03-12 09:23:19,186 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2021-03-12 09:23:20,098 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2021-03-12 09:23:20,987 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 52 [2021-03-12 09:23:22,286 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 56 [2021-03-12 09:23:23,265 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 56 [2021-03-12 09:23:24,212 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 57 [2021-03-12 09:23:25,509 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2021-03-12 09:23:26,436 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2021-03-12 09:23:27,346 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 60 [2021-03-12 09:23:28,629 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 63 [2021-03-12 09:23:29,631 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 63 [2021-03-12 09:23:30,632 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 64 [2021-03-12 09:23:32,111 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 64 [2021-03-12 09:23:33,194 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 64 [2021-03-12 09:23:34,218 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 63 [2021-03-12 09:23:38,164 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 65 [2021-03-12 09:23:38,916 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 63 [2021-03-12 09:23:39,938 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 64 [2021-03-12 09:23:40,773 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 64 [2021-03-12 09:23:41,907 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 65 [2021-03-12 09:23:42,768 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 64 [2021-03-12 09:23:44,691 WARN L205 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 65 [2021-03-12 09:23:45,645 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 64 [2021-03-12 09:23:46,875 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 65 [2021-03-12 09:23:47,740 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 64 [2021-03-12 09:23:49,578 WARN L205 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2021-03-12 09:23:50,497 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2021-03-12 09:23:52,345 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 65 [2021-03-12 09:23:53,264 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2021-03-12 09:23:54,500 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 65 [2021-03-12 09:23:55,448 WARN L205 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 64 [2021-03-12 09:23:56,721 WARN L205 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2021-03-12 09:23:57,744 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 64 [2021-03-12 09:23:59,887 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 65 [2021-03-12 09:24:00,957 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2021-03-12 09:24:03,250 WARN L205 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2021-03-12 09:24:04,319 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2021-03-12 09:24:05,658 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2021-03-12 09:24:06,711 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2021-03-12 09:24:07,941 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 13 [2021-03-12 09:24:15,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:24:15,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:24:15,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:24:15,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:24:15,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:24:15,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:24:15,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:24:15,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:24:15,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:24:15,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 09:24:15,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-03-12 09:24:15,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:24:15,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-03-12 09:24:15,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 09:24:15,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-03-12 09:24:15,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:24:15,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 09:24:15,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 09:24:15,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-03-12 09:24:15,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-03-12 09:24:15,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 09:24:15,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-03-12 09:24:15,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 09:24:15,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-03-12 09:24:15,765 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable265,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:24:15,766 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:24:15,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:24:15,766 INFO L82 PathProgramCache]: Analyzing trace with hash -234774876, now seen corresponding path program 24 times [2021-03-12 09:24:15,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:24:15,767 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999920743] [2021-03-12 09:24:15,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:24:15,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:24:16,880 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 330 proven. 287 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:24:16,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999920743] [2021-03-12 09:24:16,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [867740751] [2021-03-12 09:24:16,880 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:24:16,938 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2021-03-12 09:24:16,939 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:24:16,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 30 conjunts are in the unsatisfiable core [2021-03-12 09:24:16,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:24:19,108 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 330 proven. 287 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:24:19,109 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:24:19,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17] total 18 [2021-03-12 09:24:19,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507855326] [2021-03-12 09:24:19,109 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-12 09:24:19,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:24:19,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-12 09:24:19,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2021-03-12 09:24:19,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:24:19,110 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:24:19,110 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 18 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 09:24:19,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:24:19,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:24:19,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:24:19,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:24:19,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:24:19,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:24:19,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:24:19,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:24:19,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:24:19,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 09:24:19,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-03-12 09:24:19,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:24:19,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-03-12 09:24:19,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 09:24:19,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-03-12 09:24:19,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:24:19,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 09:24:19,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 09:24:19,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-03-12 09:24:19,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-03-12 09:24:19,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 09:24:19,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-03-12 09:24:19,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 09:24:19,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-03-12 09:24:19,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:24:19,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:24:19,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:24:19,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:24:19,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:24:19,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:24:19,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:24:19,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:24:19,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:24:19,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:24:19,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 09:24:19,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-03-12 09:24:19,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:24:19,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-03-12 09:24:19,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 09:24:19,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-03-12 09:24:19,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:24:19,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 09:24:19,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 09:24:19,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-03-12 09:24:19,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-03-12 09:24:19,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 09:24:19,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-03-12 09:24:19,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 09:24:19,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-03-12 09:24:19,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 09:24:19,507 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable268 [2021-03-12 09:24:19,507 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:24:19,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:24:19,508 INFO L82 PathProgramCache]: Analyzing trace with hash 2092509584, now seen corresponding path program 25 times [2021-03-12 09:24:19,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:24:19,508 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225612514] [2021-03-12 09:24:19,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:24:19,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:24:21,994 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2021-03-12 09:24:22,236 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-03-12 09:24:22,738 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-03-12 09:24:23,018 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-03-12 09:24:23,329 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-03-12 09:24:23,632 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-03-12 09:24:23,946 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 09:24:24,276 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 09:24:24,614 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 09:24:24,963 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 09:24:25,327 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 09:24:25,694 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 09:24:26,088 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-12 09:24:26,467 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 09:24:26,802 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-12 09:24:27,125 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 09:24:27,468 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-03-12 09:24:27,779 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-12 09:24:28,116 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-03-12 09:24:28,454 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-03-12 09:24:28,807 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-12 09:24:29,142 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-03-12 09:24:29,835 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-03-12 09:24:30,552 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-03-12 09:24:31,330 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-03-12 09:24:37,416 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 0 proven. 660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:24:37,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225612514] [2021-03-12 09:24:37,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [53001042] [2021-03-12 09:24:37,417 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:24:37,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:24:37,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 117 conjunts are in the unsatisfiable core [2021-03-12 09:24:37,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:24:44,996 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-03-12 09:24:47,631 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-03-12 09:24:48,325 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-03-12 09:24:49,029 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-03-12 09:24:49,729 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-03-12 09:24:50,421 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-03-12 09:24:51,158 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-03-12 09:24:51,920 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-03-12 09:24:52,675 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-12 09:24:53,450 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 09:24:54,247 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 09:24:55,072 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 09:24:55,875 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 09:24:56,813 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 09:24:57,772 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 09:24:58,548 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 09:24:59,543 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 09:25:00,427 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-12 09:25:01,452 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 09:25:02,585 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 09:25:03,738 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 09:25:04,807 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 09:25:05,844 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 09:25:06,824 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 09:25:07,896 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 09:25:08,935 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 09:25:10,048 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 09:25:11,160 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 09:25:12,390 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 09:25:13,568 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 09:25:14,822 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 09:25:16,165 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 09:25:17,479 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 09:25:18,709 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 09:25:19,956 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 09:25:21,131 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 09:25:22,287 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 09:25:23,428 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 09:25:24,605 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 09:25:25,820 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 09:25:27,082 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-03-12 09:25:28,350 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 09:25:28,438 INFO L354 Elim1Store]: treesize reduction 1092, result has 0.1 percent of original size [2021-03-12 09:25:28,438 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 14 new quantified variables, introduced 91 case distinctions, treesize of input 174 treesize of output 62 [2021-03-12 09:25:28,452 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 09:25:28,492 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 09:25:28,498 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 09:25:28,499 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:177, output treesize:10 [2021-03-12 09:25:30,372 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 0 proven. 660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:25:30,372 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:25:30,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63] total 122 [2021-03-12 09:25:30,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977156080] [2021-03-12 09:25:30,373 INFO L460 AbstractCegarLoop]: Interpolant automaton has 122 states [2021-03-12 09:25:30,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:25:30,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2021-03-12 09:25:30,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=759, Invalid=14003, Unknown=0, NotChecked=0, Total=14762 [2021-03-12 09:25:30,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:25:30,374 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:25:30,374 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 122 states, 122 states have (on average 1.6967213114754098) internal successors, (207), 122 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 09:25:30,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:25:30,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:25:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:25:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:25:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:25:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:25:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:25:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:25:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:25:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 09:25:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-03-12 09:25:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:25:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-03-12 09:25:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 09:25:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-03-12 09:25:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:25:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 09:25:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 09:25:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-03-12 09:25:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-03-12 09:25:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 09:25:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-03-12 09:25:30,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 09:25:30,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-03-12 09:25:30,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 09:25:30,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:25:34,163 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 18 [2021-03-12 09:25:35,005 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 19 [2021-03-12 09:25:35,852 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 20 [2021-03-12 09:25:36,965 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 24 [2021-03-12 09:25:37,653 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 24 [2021-03-12 09:25:38,299 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2021-03-12 09:25:39,602 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 27 [2021-03-12 09:25:40,492 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 27 [2021-03-12 09:25:41,440 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 28 [2021-03-12 09:25:42,774 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 31 [2021-03-12 09:25:43,742 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 31 [2021-03-12 09:25:44,676 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 32 [2021-03-12 09:25:46,000 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 35 [2021-03-12 09:25:46,998 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 35 [2021-03-12 09:25:47,949 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 36 [2021-03-12 09:25:49,202 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2021-03-12 09:25:50,182 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2021-03-12 09:25:51,160 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2021-03-12 09:25:52,504 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 43 [2021-03-12 09:25:53,454 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 43 [2021-03-12 09:25:54,395 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 44 [2021-03-12 09:25:55,700 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 47 [2021-03-12 09:25:56,736 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 47 [2021-03-12 09:25:57,696 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 48 [2021-03-12 09:25:59,004 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 51 [2021-03-12 09:25:59,983 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 51 [2021-03-12 09:26:00,936 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 52 [2021-03-12 09:26:02,320 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 56 [2021-03-12 09:26:03,412 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 56 [2021-03-12 09:26:04,450 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 57 [2021-03-12 09:26:05,779 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 59 [2021-03-12 09:26:06,800 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 59 [2021-03-12 09:26:07,777 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 60 [2021-03-12 09:26:09,059 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 63 [2021-03-12 09:26:10,103 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 63 [2021-03-12 09:26:11,122 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 64 [2021-03-12 09:26:12,462 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 68 [2021-03-12 09:26:13,660 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 68 [2021-03-12 09:26:14,798 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 69 [2021-03-12 09:26:16,227 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 68 [2021-03-12 09:26:17,417 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 68 [2021-03-12 09:26:18,590 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 67 [2021-03-12 09:26:23,399 WARN L205 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 69 [2021-03-12 09:26:24,404 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 67 [2021-03-12 09:26:26,931 WARN L205 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 68 [2021-03-12 09:26:28,014 WARN L205 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 68 [2021-03-12 09:26:29,535 WARN L205 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 69 [2021-03-12 09:26:30,689 WARN L205 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 68 [2021-03-12 09:26:33,344 WARN L205 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 69 [2021-03-12 09:26:34,502 WARN L205 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 68 [2021-03-12 09:26:37,171 WARN L205 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2021-03-12 09:26:38,256 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 68 [2021-03-12 09:26:39,939 WARN L205 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 69 [2021-03-12 09:26:41,096 WARN L205 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 68 [2021-03-12 09:26:42,866 WARN L205 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 69 [2021-03-12 09:26:44,182 WARN L205 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2021-03-12 09:26:45,974 WARN L205 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 69 [2021-03-12 09:26:47,213 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2021-03-12 09:26:48,970 WARN L205 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2021-03-12 09:26:50,216 WARN L205 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2021-03-12 09:26:51,977 WARN L205 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2021-03-12 09:26:53,262 WARN L205 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 68 [2021-03-12 09:26:55,017 WARN L205 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2021-03-12 09:26:56,141 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2021-03-12 09:26:57,838 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 69 [2021-03-12 09:26:58,711 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-03-12 09:27:00,352 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2021-03-12 09:27:01,322 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 69 [2021-03-12 09:27:13,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:27:13,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:27:13,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:27:13,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:27:13,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:27:13,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:27:13,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:27:13,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:27:13,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:27:13,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 09:27:13,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-03-12 09:27:13,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:27:13,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-03-12 09:27:13,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 09:27:13,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-03-12 09:27:13,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:27:13,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 09:27:13,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 09:27:13,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-03-12 09:27:13,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-03-12 09:27:13,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 09:27:13,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-03-12 09:27:13,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 09:27:13,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-03-12 09:27:13,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 09:27:13,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-03-12 09:27:14,170 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable269,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:27:14,171 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:27:14,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:27:14,171 INFO L82 PathProgramCache]: Analyzing trace with hash 1557163669, now seen corresponding path program 26 times [2021-03-12 09:27:14,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:27:14,171 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073884319] [2021-03-12 09:27:14,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:27:14,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:27:15,635 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 376 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:27:15,636 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073884319] [2021-03-12 09:27:15,636 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [587510165] [2021-03-12 09:27:15,636 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:27:15,685 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 09:27:15,685 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:27:15,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-12 09:27:15,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:27:18,785 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 376 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:27:18,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:27:18,785 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18] total 19 [2021-03-12 09:27:18,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286980675] [2021-03-12 09:27:18,786 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-12 09:27:18,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:27:18,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-12 09:27:18,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2021-03-12 09:27:18,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:27:18,786 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:27:18,787 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 6.105263157894737) internal successors, (116), 19 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 09:27:18,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:27:18,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:27:18,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:27:18,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:27:18,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:27:18,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:27:18,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:27:18,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:27:18,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:27:18,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 09:27:18,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-03-12 09:27:18,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:27:18,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-03-12 09:27:18,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 09:27:18,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-03-12 09:27:18,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:27:18,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 09:27:18,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 09:27:18,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-03-12 09:27:18,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-03-12 09:27:18,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 09:27:18,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-03-12 09:27:18,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 09:27:18,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-03-12 09:27:18,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 09:27:18,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-03-12 09:27:18,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:27:18,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:27:18,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:27:18,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:27:18,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 09:27:18,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:27:18,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 09:27:18,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 09:27:18,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-12 09:27:18,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 09:27:18,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 09:27:18,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-03-12 09:27:18,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:27:18,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-03-12 09:27:18,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 09:27:18,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-03-12 09:27:18,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:27:18,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 09:27:18,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 09:27:18,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-03-12 09:27:18,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-03-12 09:27:18,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 09:27:18,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-03-12 09:27:18,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 09:27:18,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-03-12 09:27:18,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 09:27:18,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-03-12 09:27:18,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 09:27:19,182 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable272,28 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:27:19,182 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:27:19,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:27:19,183 INFO L82 PathProgramCache]: Analyzing trace with hash -1569253247, now seen corresponding path program 27 times [2021-03-12 09:27:19,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:27:19,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968801345] [2021-03-12 09:27:19,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:27:19,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:27:21,301 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-03-12 09:27:21,532 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-03-12 09:27:21,791 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2021-03-12 09:27:22,042 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2021-03-12 09:27:22,315 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-03-12 09:27:22,595 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-03-12 09:27:22,900 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-03-12 09:27:23,198 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-03-12 09:27:23,528 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-03-12 09:27:23,868 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-03-12 09:27:24,231 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 09:27:24,616 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 09:27:25,012 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 09:27:25,409 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 09:27:25,785 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 09:27:26,132 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 09:27:26,520 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-03-12 09:27:26,905 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-03-12 09:27:27,319 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-03-12 09:27:27,748 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-03-12 09:27:28,101 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-03-12 09:27:28,466 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 09:27:28,813 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-12 09:27:29,185 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 09:27:29,528 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-03-12 09:27:29,885 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-12 09:27:30,239 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-03-12 09:27:30,604 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-03-12 09:27:30,974 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-12 09:27:31,357 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-03-12 09:27:31,726 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-03-12 09:27:32,114 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-03-12 09:27:39,804 INFO L134 CoverageAnalysis]: Checked inductivity of 752 backedges. 0 proven. 752 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:27:39,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968801345] [2021-03-12 09:27:39,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584569075] [2021-03-12 09:27:39,805 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:27:39,874 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 17 check-sat command(s) [2021-03-12 09:27:39,875 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:27:39,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 127 conjunts are in the unsatisfiable core [2021-03-12 09:27:39,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:27:48,741 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-03-12 09:27:50,092 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-03-12 09:27:50,766 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-03-12 09:27:51,486 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-03-12 09:27:52,211 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-03-12 09:27:52,960 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-03-12 09:27:53,705 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-03-12 09:27:54,512 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-03-12 09:27:55,313 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-12 09:27:56,158 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 09:27:56,955 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 09:27:57,755 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 09:27:58,562 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 09:27:59,404 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-03-12 09:28:00,231 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-03-12 09:28:01,257 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-03-12 09:28:02,307 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-03-12 09:28:03,115 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-03-12 09:28:03,949 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-03-12 09:28:04,975 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-03-12 09:28:05,894 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-03-12 09:28:06,875 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-03-12 09:28:07,812 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-03-12 09:28:08,828 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-03-12 09:28:09,787 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-03-12 09:28:10,815 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-03-12 09:28:11,879 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-03-12 09:28:13,023 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-03-12 09:28:14,159 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-03-12 09:28:44,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:44,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 09:28:45,452 INFO L244 Elim1Store]: Index analysis took 1416 ms [2021-03-12 09:28:47,484 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 237 [2021-03-12 09:28:47,487 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 09:28:47,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 231 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 45 case distinctions, treesize of input 182 treesize of output 606 [2021-03-12 09:28:53,917 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1393 DAG size of output: 1376 [2021-03-12 09:28:54,089 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 1641 DAG size of output: 1631 [2021-03-12 09:28:55,223 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 2323 DAG size of output: 2278 [2021-03-12 09:28:55,493 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 2323 DAG size of output: 2278 [2021-03-12 09:28:56,058 WARN L205 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 2346 DAG size of output: 3471 [2021-03-12 09:28:56,551 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 2218 DAG size of output: 2633 [2021-03-12 09:28:56,788 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 2155 DAG size of output: 2134 [2021-03-12 09:28:56,954 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 880 DAG size of output: 1021 [2021-03-12 09:28:57,074 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 771 DAG size of output: 1093 [2021-03-12 09:28:59,465 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1365 DAG size of output: 1296 [2021-03-12 09:28:59,632 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 1876 DAG size of output: 1759 [2021-03-12 09:28:59,911 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 2345 DAG size of output: 2253 [2021-03-12 09:29:00,220 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 1533 DAG size of output: 1916 [2021-03-12 09:29:03,883 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 2591 DAG size of output: 2512 [2021-03-12 09:29:04,541 WARN L205 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 4465 DAG size of output: 4310 [2021-03-12 09:29:04,769 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 2099 DAG size of output: 2095 [2021-03-12 09:29:04,907 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 1224 [2021-03-12 09:29:10,354 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 2099 DAG size of output: 1980 [2021-03-12 09:29:10,567 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 2676 DAG size of output: 2523 [2021-03-12 09:29:10,735 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 1507 DAG size of output: 1510 [2021-03-12 09:29:15,263 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 1438 DAG size of output: 1408 [2021-03-12 09:29:22,893 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 1570 DAG size of output: 1543 [2021-03-12 09:29:29,282 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 1598 DAG size of output: 1556 [2021-03-12 09:29:32,508 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 2678 DAG size of output: 2547 [2021-03-12 09:29:33,151 WARN L205 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 5078 DAG size of output: 4876 [2021-03-12 09:29:34,088 WARN L205 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 7205 DAG size of output: 6889 [2021-03-12 09:29:35,693 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 9870 DAG size of output: 9394 [2021-03-12 09:29:36,180 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 2172 DAG size of output: 2863 [2021-03-12 09:29:36,312 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 812 DAG size of output: 1168 [2021-03-12 09:29:39,364 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 2172 DAG size of output: 2017 [2021-03-12 09:29:42,878 WARN L205 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 4887 DAG size of output: 4632 [2021-03-12 09:29:45,285 WARN L205 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 13268 DAG size of output: 12602 [2021-03-12 09:29:47,755 WARN L205 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 13268 DAG size of output: 12602 [2021-03-12 09:29:50,233 WARN L205 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 13284 DAG size of output: 12616 [2021-03-12 09:29:52,502 WARN L205 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 12616 DAG size of output: 12366 [2021-03-12 09:29:55,543 WARN L205 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 9259 DAG size of output: 12120 [2021-03-12 09:29:58,405 WARN L205 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 8955 DAG size of output: 13174 [2021-03-12 09:29:59,662 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 7957 DAG size of output: 7677 [2021-03-12 09:30:06,737 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 1896 DAG size of output: 1768 [2021-03-12 09:30:07,273 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 4423 DAG size of output: 4420 [2021-03-12 09:30:07,480 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 1155 [2021-03-12 09:30:11,969 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 1354 DAG size of output: 1319 [2021-03-12 09:30:13,875 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 2048 DAG size of output: 1901 [2021-03-12 09:30:14,029 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1526 DAG size of output: 1526 [2021-03-12 09:30:21,676 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 2783 DAG size of output: 2662 [2021-03-12 09:30:23,941 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 1316 DAG size of output: 1935 [2021-03-12 09:30:29,701 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 1742 DAG size of output: 1716 [2021-03-12 09:30:31,172 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 2648 DAG size of output: 2372 [2021-03-12 09:30:31,817 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 1191 DAG size of output: 1759 [2021-03-12 09:30:37,632 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 1828 DAG size of output: 1791 [2021-03-12 09:30:39,511 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 2749 DAG size of output: 2499 [2021-03-12 09:30:44,512 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 2113 DAG size of output: 1828 [2021-03-12 09:30:46,212 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 10294 DAG size of output: 9286 [2021-03-12 09:30:54,062 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 2190 DAG size of output: 2040 [2021-03-12 09:30:56,508 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 763 DAG size of output: 1142 [2021-03-12 09:30:57,665 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 1458 DAG size of output: 1283 [2021-03-12 09:30:57,837 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 772 DAG size of output: 1065 [2021-03-12 09:31:01,438 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 2021 DAG size of output: 1819 [2021-03-12 09:31:01,752 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 2959 DAG size of output: 2575 [2021-03-12 09:31:02,494 WARN L205 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 5865 DAG size of output: 5240 [2021-03-12 09:31:02,926 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 3128 DAG size of output: 3123 [2021-03-12 09:31:03,179 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 1926 DAG size of output: 1927 [2021-03-12 09:31:13,738 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 3323 DAG size of output: 3107 [2021-03-12 09:31:17,618 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 1463 DAG size of output: 1290 [2021-03-12 09:31:18,357 WARN L205 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 4815 DAG size of output: 4419 [2021-03-12 09:31:21,973 WARN L205 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 19493 DAG size of output: 17372 [2021-03-12 09:31:23,266 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 8140 DAG size of output: 7596 [2021-03-12 09:31:23,403 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 1781 DAG size of output: 1777 [2021-03-12 09:31:23,537 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 869 DAG size of output: 1059 [2021-03-12 09:31:31,788 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 3996 DAG size of output: 3504 [2021-03-12 09:31:32,163 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 3203 DAG size of output: 3155 [2021-03-12 09:31:32,365 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 1372 DAG size of output: 1647 [2021-03-12 09:31:34,072 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 1663 DAG size of output: 1420 [2021-03-12 09:31:35,080 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 1783 DAG size of output: 1781 [2021-03-12 09:31:40,625 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 2823 DAG size of output: 2401 [2021-03-12 09:31:41,217 WARN L205 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 4540 DAG size of output: 3917 [2021-03-12 09:31:47,792 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1668 DAG size of output: 1524 [2021-03-12 09:31:48,231 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 3957 DAG size of output: 3888 [2021-03-12 09:31:50,254 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1588 DAG size of output: 1362 [2021-03-12 09:31:50,461 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 2126 DAG size of output: 2126 [2021-03-12 09:31:53,467 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 1284 DAG size of output: 1659 [2021-03-12 09:31:58,617 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 2037 DAG size of output: 1979 [2021-03-12 09:31:59,382 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 3368 DAG size of output: 3054 [2021-03-12 09:32:01,069 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 1448 DAG size of output: 1342 [2021-03-12 09:32:01,221 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 1025 DAG size of output: 1234 [2021-03-12 09:32:02,230 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 1295 DAG size of output: 1098 [2021-03-12 09:32:03,091 WARN L205 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 6393 DAG size of output: 5656 [2021-03-12 09:32:05,074 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 13789 DAG size of output: 12068 [2021-03-12 09:32:11,347 WARN L205 SmtUtils]: Spent 6.14 s on a formula simplification. DAG size of input: 29837 DAG size of output: 26057 [2021-03-12 09:32:14,611 WARN L205 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 8815 DAG size of output: 11267 [2021-03-12 09:32:23,605 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1322 DAG size of output: 1271 [2021-03-12 09:32:32,084 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 1338 DAG size of output: 1229 [2021-03-12 09:32:36,874 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 2164 DAG size of output: 1885 [2021-03-12 09:32:42,228 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 3258 DAG size of output: 3146 [2021-03-12 09:32:43,562 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 749 DAG size of output: 676 [2021-03-12 09:32:43,825 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 1199 DAG size of output: 1459 [2021-03-12 09:32:44,866 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 1437 DAG size of output: 1172 [2021-03-12 09:32:53,825 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 808 DAG size of output: 752 Received shutdown request... [2021-03-12 09:32:54,588 WARN L205 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 5048 DAG size of output: 4428 [2021-03-12 09:32:58,068 WARN L205 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 16878 DAG size of output: 14820 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown