/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-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/min-max-1.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a865e3bea3ade1065a4c95009cfa501fe03c5538-a865e3b [2021-02-19 17:55:26,607 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 17:55:26,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 17:55:26,637 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 17:55:26,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 17:55:26,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 17:55:26,642 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 17:55:26,646 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 17:55:26,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 17:55:26,650 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 17:55:26,651 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 17:55:26,652 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 17:55:26,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 17:55:26,653 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 17:55:26,654 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 17:55:26,655 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 17:55:26,657 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 17:55:26,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 17:55:26,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 17:55:26,665 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 17:55:26,666 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 17:55:26,666 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 17:55:26,668 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 17:55:26,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 17:55:26,673 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-19 17:55:26,673 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-19 17:55:26,673 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-19 17:55:26,674 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-19 17:55:26,674 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-19 17:55:26,675 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-19 17:55:26,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-19 17:55:26,676 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-19 17:55:26,676 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-19 17:55:26,677 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-19 17:55:26,677 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-19 17:55:26,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-19 17:55:26,678 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-19 17:55:26,678 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-19 17:55:26,678 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 17:55:26,679 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 17:55:26,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 17:55:26,680 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-FA-NoLbe.epf [2021-02-19 17:55:26,706 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 17:55:26,707 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 17:55:26,707 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-02-19 17:55:26,707 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-02-19 17:55:26,709 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 17:55:26,709 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 17:55:26,710 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 17:55:26,710 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 17:55:26,710 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 17:55:26,710 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 17:55:26,710 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 17:55:26,711 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 17:55:26,711 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 17:55:26,711 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 17:55:26,711 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 17:55:26,711 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 17:55:26,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 17:55:26,711 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 17:55:26,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 17:55:26,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 17:55:26,711 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 17:55:26,711 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-19 17:55:26,712 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 17:55:26,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 17:55:26,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 17:55:26,712 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 17:55:26,712 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 17:55:26,712 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 17:55:26,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 17:55:26,712 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-02-19 17:55:26,713 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 17:55:26,713 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 17:55:26,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 17:55:26,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 17:55:26,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 17:55:26,964 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-02-19 17:55:26,965 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-02-19 17:55:26,966 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/min-max-1.wvr.bpl [2021-02-19 17:55:26,966 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/min-max-1.wvr.bpl' [2021-02-19 17:55:26,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 17:55:26,993 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 17:55:26,994 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-02-19 17:55:26,994 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-02-19 17:55:26,994 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-02-19 17:55:27,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-max-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 05:55:26" (1/1) ... [2021-02-19 17:55:27,017 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-max-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 05:55:26" (1/1) ... [2021-02-19 17:55:27,022 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-02-19 17:55:27,023 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 17:55:27,023 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 17:55:27,023 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 17:55:27,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-max-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 05:55:26" (1/1) ... [2021-02-19 17:55:27,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-max-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 05:55:26" (1/1) ... [2021-02-19 17:55:27,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-max-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 05:55:26" (1/1) ... [2021-02-19 17:55:27,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-max-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 05:55:26" (1/1) ... [2021-02-19 17:55:27,033 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-max-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 05:55:26" (1/1) ... [2021-02-19 17:55:27,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-max-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 05:55:26" (1/1) ... [2021-02-19 17:55:27,036 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-max-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 05:55:26" (1/1) ... [2021-02-19 17:55:27,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 17:55:27,038 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 17:55:27,038 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 17:55:27,038 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 17:55:27,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-max-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 05:55:26" (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 [2021-02-19 17:55:27,089 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-02-19 17:55:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-02-19 17:55:27,089 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-02-19 17:55:27,089 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-02-19 17:55:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-02-19 17:55:27,089 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-02-19 17:55:27,089 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-02-19 17:55:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 17:55:27,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 17:55:27,090 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-02-19 17:55:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-02-19 17:55:27,090 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-02-19 17:55:27,090 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-02-19 17:55:27,265 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 17:55:27,265 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-19 17:55:27,266 INFO L202 PluginConnector]: Adding new model min-max-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:55:27 BoogieIcfgContainer [2021-02-19 17:55:27,266 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 17:55:27,267 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 17:55:27,267 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 17:55:27,269 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 17:55:27,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 05:55:26" (1/2) ... [2021-02-19 17:55:27,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a157249 and model type min-max-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:55:27, skipping insertion in model container [2021-02-19 17:55:27,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:55:27" (2/2) ... [2021-02-19 17:55:27,270 INFO L111 eAbstractionObserver]: Analyzing ICFG min-max-1.wvr.bpl [2021-02-19 17:55:27,274 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-02-19 17:55:27,274 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 17:55:27,276 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 17:55:27,277 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-02-19 17:55:27,301 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-02-19 17:55:27,312 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-02-19 17:55:27,324 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 17:55:27,324 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 17:55:27,324 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 17:55:27,324 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 17:55:27,324 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 17:55:27,324 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 17:55:27,324 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 17:55:27,324 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 17:55:27,330 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 30 transitions, 84 flow [2021-02-19 17:55:27,394 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 234 states, 232 states have (on average 2.6767241379310347) internal successors, (621), 233 states have internal predecessors, (621), 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) [2021-02-19 17:55:27,396 INFO L276 IsEmpty]: Start isEmpty. Operand has 234 states, 232 states have (on average 2.6767241379310347) internal successors, (621), 233 states have internal predecessors, (621), 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) [2021-02-19 17:55:27,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-02-19 17:55:27,404 INFO L498 BasicCegarLoop]: Found error trace [2021-02-19 17:55:27,405 INFO L506 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 17:55:27,405 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 17:55:27,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:55:27,415 INFO L82 PathProgramCache]: Analyzing trace with hash -1954743753, now seen corresponding path program 1 times [2021-02-19 17:55:27,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:55:27,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587825630] [2021-02-19 17:55:27,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:55:27,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:55:27,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 17:55:27,580 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587825630] [2021-02-19 17:55:27,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:55:27,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-19 17:55:27,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411700865] [2021-02-19 17:55:27,585 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-19 17:55:27,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:55:27,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-19 17:55:27,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-02-19 17:55:27,599 INFO L87 Difference]: Start difference. First operand has 234 states, 232 states have (on average 2.6767241379310347) internal successors, (621), 233 states have internal predecessors, (621), 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) Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 17:55:27,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:55:27,706 INFO L93 Difference]: Finished difference Result 647 states and 1694 transitions. [2021-02-19 17:55:27,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 17:55:27,708 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-02-19 17:55:27,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:55:27,722 INFO L225 Difference]: With dead ends: 647 [2021-02-19 17:55:27,722 INFO L226 Difference]: Without dead ends: 389 [2021-02-19 17:55:27,723 INFO L762 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-02-19 17:55:27,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2021-02-19 17:55:27,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 288. [2021-02-19 17:55:27,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 287 states have (on average 2.6167247386759582) internal successors, (751), 287 states have internal predecessors, (751), 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) [2021-02-19 17:55:27,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 751 transitions. [2021-02-19 17:55:27,774 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 751 transitions. Word has length 19 [2021-02-19 17:55:27,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:55:27,775 INFO L480 AbstractCegarLoop]: Abstraction has 288 states and 751 transitions. [2021-02-19 17:55:27,775 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 17:55:27,775 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 751 transitions. [2021-02-19 17:55:27,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-02-19 17:55:27,777 INFO L498 BasicCegarLoop]: Found error trace [2021-02-19 17:55:27,777 INFO L506 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 17:55:27,777 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 17:55:27,777 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 17:55:27,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:55:27,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1385908612, now seen corresponding path program 1 times [2021-02-19 17:55:27,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:55:27,778 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752658900] [2021-02-19 17:55:27,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:55:27,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:55:27,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 17:55:27,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752658900] [2021-02-19 17:55:27,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:55:27,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-02-19 17:55:27,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201480950] [2021-02-19 17:55:27,804 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-19 17:55:27,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:55:27,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-19 17:55:27,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-19 17:55:27,804 INFO L87 Difference]: Start difference. First operand 288 states and 751 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 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) [2021-02-19 17:55:27,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:55:27,807 INFO L93 Difference]: Finished difference Result 189 states and 447 transitions. [2021-02-19 17:55:27,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 17:55:27,807 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 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) Word has length 22 [2021-02-19 17:55:27,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:55:27,808 INFO L225 Difference]: With dead ends: 189 [2021-02-19 17:55:27,808 INFO L226 Difference]: Without dead ends: 172 [2021-02-19 17:55:27,809 INFO L762 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-19 17:55:27,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2021-02-19 17:55:27,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2021-02-19 17:55:27,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 171 states have (on average 2.409356725146199) internal successors, (412), 171 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 17:55:27,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 412 transitions. [2021-02-19 17:55:27,816 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 412 transitions. Word has length 22 [2021-02-19 17:55:27,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:55:27,816 INFO L480 AbstractCegarLoop]: Abstraction has 172 states and 412 transitions. [2021-02-19 17:55:27,816 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 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) [2021-02-19 17:55:27,816 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 412 transitions. [2021-02-19 17:55:27,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-02-19 17:55:27,817 INFO L498 BasicCegarLoop]: Found error trace [2021-02-19 17:55:27,817 INFO L506 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 17:55:27,817 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 17:55:27,817 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 17:55:27,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:55:27,818 INFO L82 PathProgramCache]: Analyzing trace with hash 1717629233, now seen corresponding path program 1 times [2021-02-19 17:55:27,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:55:27,818 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874262005] [2021-02-19 17:55:27,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:55:27,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:55:27,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 17:55:27,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874262005] [2021-02-19 17:55:27,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:55:27,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-19 17:55:27,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261270974] [2021-02-19 17:55:27,852 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-19 17:55:27,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:55:27,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-19 17:55:27,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-19 17:55:27,853 INFO L87 Difference]: Start difference. First operand 172 states and 412 transitions. Second operand has 4 states, 4 states have (on average 5.5) 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) [2021-02-19 17:55:27,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:55:27,855 INFO L93 Difference]: Finished difference Result 35 states and 66 transitions. [2021-02-19 17:55:27,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 17:55:27,856 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) 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) Word has length 22 [2021-02-19 17:55:27,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:55:27,856 INFO L225 Difference]: With dead ends: 35 [2021-02-19 17:55:27,856 INFO L226 Difference]: Without dead ends: 0 [2021-02-19 17:55:27,856 INFO L762 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-19 17:55:27,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-19 17:55:27,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-19 17:55:27,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-02-19 17:55:27,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-19 17:55:27,857 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2021-02-19 17:55:27,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:55:27,857 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-19 17:55:27,857 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.5) 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) [2021-02-19 17:55:27,857 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-19 17:55:27,857 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-19 17:55:27,857 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-19 17:55:27,860 INFO L202 PluginConnector]: Adding new model min-max-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 05:55:27 BasicIcfg [2021-02-19 17:55:27,860 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 17:55:27,861 INFO L168 Benchmark]: Toolchain (without parser) took 870.91 ms. Allocated memory was 255.9 MB in the beginning and 354.4 MB in the end (delta: 98.6 MB). Free memory was 236.7 MB in the beginning and 334.8 MB in the end (delta: -98.1 MB). Peak memory consumption was 991.6 kB. Max. memory is 16.0 GB. [2021-02-19 17:55:27,862 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 255.9 MB. Free memory was 237.8 MB in the beginning and 237.6 MB in the end (delta: 178.2 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-02-19 17:55:27,862 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.88 ms. Allocated memory is still 255.9 MB. Free memory was 236.1 MB in the beginning and 234.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-02-19 17:55:27,862 INFO L168 Benchmark]: Boogie Preprocessor took 14.33 ms. Allocated memory is still 255.9 MB. Free memory was 234.6 MB in the beginning and 233.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-02-19 17:55:27,863 INFO L168 Benchmark]: RCFGBuilder took 227.86 ms. Allocated memory is still 255.9 MB. Free memory was 233.5 MB in the beginning and 238.4 MB in the end (delta: -4.9 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.0 GB. [2021-02-19 17:55:27,863 INFO L168 Benchmark]: TraceAbstraction took 593.68 ms. Allocated memory was 255.9 MB in the beginning and 354.4 MB in the end (delta: 98.6 MB). Free memory was 237.8 MB in the beginning and 334.8 MB in the end (delta: -97.0 MB). Peak memory consumption was 1.7 MB. Max. memory is 16.0 GB. [2021-02-19 17:55:27,865 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 255.9 MB. Free memory was 237.8 MB in the beginning and 237.6 MB in the end (delta: 178.2 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 28.88 ms. Allocated memory is still 255.9 MB. Free memory was 236.1 MB in the beginning and 234.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 14.33 ms. Allocated memory is still 255.9 MB. Free memory was 234.6 MB in the beginning and 233.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 227.86 ms. Allocated memory is still 255.9 MB. Free memory was 233.5 MB in the beginning and 238.4 MB in the end (delta: -4.9 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 593.68 ms. Allocated memory was 255.9 MB in the beginning and 354.4 MB in the end (delta: 98.6 MB). Free memory was 237.8 MB in the beginning and 334.8 MB in the end (delta: -97.0 MB). Peak memory consumption was 1.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 57]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 62 SDtfs, 87 SDslu, 86 SDs, 0 SdLazy, 34 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=288occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 101 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 2814 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...