/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:56:45,494 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:56:45,497 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:56:45,535 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:56:45,536 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:56:45,538 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:56:45,540 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:56:45,542 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:56:45,544 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:56:45,545 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:56:45,547 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:56:45,548 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:56:45,549 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:56:45,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:56:45,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:56:45,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:56:45,567 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:56:45,568 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:56:45,571 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:56:45,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:56:45,575 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:56:45,576 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:56:45,578 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:56:45,579 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:56:45,582 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:56:45,586 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:56:45,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:56:45,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:56:45,589 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:56:45,590 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:56:45,591 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:56:45,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:56:45,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:56:45,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:56:45,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:56:45,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:56:45,596 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:56:45,624 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:56:45,624 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:56:45,626 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:56:45,626 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:56:45,627 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:56:45,627 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:56:45,627 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:56:45,627 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:56:45,628 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:56:45,628 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:56:45,628 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:56:45,628 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:56:45,628 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:56:45,629 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:56:45,629 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:56:45,629 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:56:45,629 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:56:45,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:56:45,630 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:56:45,630 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:56:45,630 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:56:45,630 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:56:45,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:56:45,631 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:56:45,631 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:56:45,631 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:56:46,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:56:46,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:56:46,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:56:46,035 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:56:46,036 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:56:46,037 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c [2020-12-22 06:56:46,133 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5673b116/652dae8e5669415181d40f3532fe22c4/FLAG7d6e96744 [2020-12-22 06:56:46,933 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:56:46,934 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c [2020-12-22 06:56:46,965 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5673b116/652dae8e5669415181d40f3532fe22c4/FLAG7d6e96744 [2020-12-22 06:56:46,983 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5673b116/652dae8e5669415181d40f3532fe22c4 [2020-12-22 06:56:46,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:56:46,989 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:56:46,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:56:46,991 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:56:46,996 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:56:46,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:56:46" (1/1) ... [2020-12-22 06:56:46,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2efa32a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:46, skipping insertion in model container [2020-12-22 06:56:46,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:56:46" (1/1) ... [2020-12-22 06:56:47,008 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:56:47,050 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:56:47,305 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c[8616,8629] [2020-12-22 06:56:47,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:56:47,423 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:56:47,474 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c[8616,8629] [2020-12-22 06:56:47,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:56:47,551 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:56:47,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:47 WrapperNode [2020-12-22 06:56:47,552 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:56:47,554 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:56:47,554 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:56:47,554 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:56:47,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:47" (1/1) ... [2020-12-22 06:56:47,589 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:47" (1/1) ... [2020-12-22 06:56:47,682 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:56:47,684 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:56:47,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:56:47,684 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:56:47,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:47" (1/1) ... [2020-12-22 06:56:47,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:47" (1/1) ... [2020-12-22 06:56:47,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:47" (1/1) ... [2020-12-22 06:56:47,722 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:47" (1/1) ... [2020-12-22 06:56:47,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:47" (1/1) ... [2020-12-22 06:56:47,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:47" (1/1) ... [2020-12-22 06:56:47,750 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:47" (1/1) ... [2020-12-22 06:56:47,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:56:47,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:56:47,758 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:56:47,758 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:56:47,759 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:47" (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 [2020-12-22 06:56:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:56:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:56:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:56:47,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:56:48,988 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:56:48,989 INFO L299 CfgBuilder]: Removed 160 assume(true) statements. [2020-12-22 06:56:48,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:48 BoogieIcfgContainer [2020-12-22 06:56:48,992 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:56:48,994 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:56:48,995 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:56:48,999 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:56:48,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:56:46" (1/3) ... [2020-12-22 06:56:49,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6079d956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:56:49, skipping insertion in model container [2020-12-22 06:56:49,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:47" (2/3) ... [2020-12-22 06:56:49,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6079d956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:56:49, skipping insertion in model container [2020-12-22 06:56:49,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:48" (3/3) ... [2020-12-22 06:56:49,003 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product51.cil.c [2020-12-22 06:56:49,010 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:56:49,016 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:56:49,037 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:56:49,069 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:56:49,069 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:56:49,069 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:56:49,069 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:56:49,069 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:56:49,070 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:56:49,070 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:56:49,070 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:56:49,091 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states. [2020-12-22 06:56:49,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-22 06:56:49,098 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:49,099 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:49,100 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:49,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:49,107 INFO L82 PathProgramCache]: Analyzing trace with hash 1844308238, now seen corresponding path program 1 times [2020-12-22 06:56:49,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:49,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614404730] [2020-12-22 06:56:49,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:49,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:49,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:49,521 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614404730] [2020-12-22 06:56:49,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:49,523 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:56:49,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082186480] [2020-12-22 06:56:49,530 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:56:49,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:49,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:56:49,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:56:49,554 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 2 states. [2020-12-22 06:56:49,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:49,623 INFO L93 Difference]: Finished difference Result 232 states and 353 transitions. [2020-12-22 06:56:49,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:56:49,624 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-22 06:56:49,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:49,657 INFO L225 Difference]: With dead ends: 232 [2020-12-22 06:56:49,657 INFO L226 Difference]: Without dead ends: 115 [2020-12-22 06:56:49,663 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:56:49,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-12-22 06:56:49,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2020-12-22 06:56:49,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-12-22 06:56:49,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 168 transitions. [2020-12-22 06:56:49,710 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 168 transitions. Word has length 16 [2020-12-22 06:56:49,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:49,711 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 168 transitions. [2020-12-22 06:56:49,711 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:56:49,711 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 168 transitions. [2020-12-22 06:56:49,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 06:56:49,712 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:49,712 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:49,713 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:56:49,713 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:49,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:49,714 INFO L82 PathProgramCache]: Analyzing trace with hash -323074868, now seen corresponding path program 1 times [2020-12-22 06:56:49,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:49,714 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183530280] [2020-12-22 06:56:49,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:49,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:49,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183530280] [2020-12-22 06:56:49,858 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:49,858 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:56:49,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766525] [2020-12-22 06:56:49,860 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:56:49,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:49,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:56:49,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:49,864 INFO L87 Difference]: Start difference. First operand 115 states and 168 transitions. Second operand 3 states. [2020-12-22 06:56:49,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:49,892 INFO L93 Difference]: Finished difference Result 115 states and 168 transitions. [2020-12-22 06:56:49,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:56:49,893 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-22 06:56:49,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:49,895 INFO L225 Difference]: With dead ends: 115 [2020-12-22 06:56:49,895 INFO L226 Difference]: Without dead ends: 49 [2020-12-22 06:56:49,896 INFO L677 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 [2020-12-22 06:56:49,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-12-22 06:56:49,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-12-22 06:56:49,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-12-22 06:56:49,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2020-12-22 06:56:49,903 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 17 [2020-12-22 06:56:49,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:49,904 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2020-12-22 06:56:49,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:56:49,904 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2020-12-22 06:56:49,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-22 06:56:49,905 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:49,905 INFO L422 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] [2020-12-22 06:56:49,905 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:56:49,906 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:49,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:49,907 INFO L82 PathProgramCache]: Analyzing trace with hash -426243093, now seen corresponding path program 1 times [2020-12-22 06:56:49,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:49,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336563963] [2020-12-22 06:56:49,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:49,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:49,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:49,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336563963] [2020-12-22 06:56:49,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:49,986 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:56:49,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156169606] [2020-12-22 06:56:49,987 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:56:49,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:49,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:56:49,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:49,989 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 3 states. [2020-12-22 06:56:50,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:50,009 INFO L93 Difference]: Finished difference Result 135 states and 201 transitions. [2020-12-22 06:56:50,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:56:50,010 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-12-22 06:56:50,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:50,012 INFO L225 Difference]: With dead ends: 135 [2020-12-22 06:56:50,012 INFO L226 Difference]: Without dead ends: 92 [2020-12-22 06:56:50,013 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:50,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-12-22 06:56:50,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 88. [2020-12-22 06:56:50,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-12-22 06:56:50,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 131 transitions. [2020-12-22 06:56:50,036 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 131 transitions. Word has length 22 [2020-12-22 06:56:50,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:50,037 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 131 transitions. [2020-12-22 06:56:50,038 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:56:50,038 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 131 transitions. [2020-12-22 06:56:50,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:56:50,043 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:50,044 INFO L422 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, 1, 1] [2020-12-22 06:56:50,044 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:56:50,044 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:50,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:50,045 INFO L82 PathProgramCache]: Analyzing trace with hash 844046893, now seen corresponding path program 1 times [2020-12-22 06:56:50,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:50,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819412541] [2020-12-22 06:56:50,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:50,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:50,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:50,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819412541] [2020-12-22 06:56:50,165 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:50,165 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:56:50,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207074442] [2020-12-22 06:56:50,166 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:56:50,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:50,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:56:50,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:50,167 INFO L87 Difference]: Start difference. First operand 88 states and 131 transitions. Second operand 3 states. [2020-12-22 06:56:50,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:50,208 INFO L93 Difference]: Finished difference Result 211 states and 318 transitions. [2020-12-22 06:56:50,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:56:50,209 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-12-22 06:56:50,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:50,211 INFO L225 Difference]: With dead ends: 211 [2020-12-22 06:56:50,211 INFO L226 Difference]: Without dead ends: 129 [2020-12-22 06:56:50,212 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:50,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-12-22 06:56:50,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 127. [2020-12-22 06:56:50,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-12-22 06:56:50,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 185 transitions. [2020-12-22 06:56:50,227 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 185 transitions. Word has length 24 [2020-12-22 06:56:50,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:50,227 INFO L481 AbstractCegarLoop]: Abstraction has 127 states and 185 transitions. [2020-12-22 06:56:50,227 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:56:50,227 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 185 transitions. [2020-12-22 06:56:50,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 06:56:50,228 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:50,228 INFO L422 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, 1, 1, 1] [2020-12-22 06:56:50,229 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:56:50,229 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:50,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:50,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1604149312, now seen corresponding path program 1 times [2020-12-22 06:56:50,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:50,230 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963904173] [2020-12-22 06:56:50,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:50,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:50,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:50,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963904173] [2020-12-22 06:56:50,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:50,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:56:50,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273531528] [2020-12-22 06:56:50,299 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:50,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:50,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:50,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:50,300 INFO L87 Difference]: Start difference. First operand 127 states and 185 transitions. Second operand 5 states. [2020-12-22 06:56:50,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:50,405 INFO L93 Difference]: Finished difference Result 451 states and 663 transitions. [2020-12-22 06:56:50,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:56:50,405 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-12-22 06:56:50,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:50,408 INFO L225 Difference]: With dead ends: 451 [2020-12-22 06:56:50,408 INFO L226 Difference]: Without dead ends: 330 [2020-12-22 06:56:50,410 INFO L677 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 [2020-12-22 06:56:50,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2020-12-22 06:56:50,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 210. [2020-12-22 06:56:50,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2020-12-22 06:56:50,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 296 transitions. [2020-12-22 06:56:50,459 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 296 transitions. Word has length 25 [2020-12-22 06:56:50,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:50,459 INFO L481 AbstractCegarLoop]: Abstraction has 210 states and 296 transitions. [2020-12-22 06:56:50,459 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:50,459 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 296 transitions. [2020-12-22 06:56:50,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:56:50,461 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:50,461 INFO L422 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, 1, 1, 1, 1] [2020-12-22 06:56:50,461 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:56:50,462 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:50,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:50,462 INFO L82 PathProgramCache]: Analyzing trace with hash 731508994, now seen corresponding path program 1 times [2020-12-22 06:56:50,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:50,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001459947] [2020-12-22 06:56:50,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:50,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:50,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001459947] [2020-12-22 06:56:50,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:50,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:56:50,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835313970] [2020-12-22 06:56:50,619 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:50,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:50,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:50,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:50,621 INFO L87 Difference]: Start difference. First operand 210 states and 296 transitions. Second operand 5 states. [2020-12-22 06:56:50,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:50,796 INFO L93 Difference]: Finished difference Result 450 states and 648 transitions. [2020-12-22 06:56:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:56:50,797 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-12-22 06:56:50,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:50,800 INFO L225 Difference]: With dead ends: 450 [2020-12-22 06:56:50,800 INFO L226 Difference]: Without dead ends: 448 [2020-12-22 06:56:50,801 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:56:50,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2020-12-22 06:56:50,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 210. [2020-12-22 06:56:50,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2020-12-22 06:56:50,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 294 transitions. [2020-12-22 06:56:50,828 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 294 transitions. Word has length 26 [2020-12-22 06:56:50,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:50,828 INFO L481 AbstractCegarLoop]: Abstraction has 210 states and 294 transitions. [2020-12-22 06:56:50,828 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:50,828 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 294 transitions. [2020-12-22 06:56:50,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-22 06:56:50,830 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:50,830 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:50,831 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:56:50,831 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:50,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:50,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1548133156, now seen corresponding path program 1 times [2020-12-22 06:56:50,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:50,832 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659728831] [2020-12-22 06:56:50,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:50,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:50,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:50,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659728831] [2020-12-22 06:56:50,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:50,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:56:50,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796001507] [2020-12-22 06:56:50,887 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:56:50,888 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:50,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:56:50,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:56:50,889 INFO L87 Difference]: Start difference. First operand 210 states and 294 transitions. Second operand 4 states. [2020-12-22 06:56:51,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:51,000 INFO L93 Difference]: Finished difference Result 434 states and 619 transitions. [2020-12-22 06:56:51,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:56:51,001 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-12-22 06:56:51,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:51,003 INFO L225 Difference]: With dead ends: 434 [2020-12-22 06:56:51,003 INFO L226 Difference]: Without dead ends: 313 [2020-12-22 06:56:51,004 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:56:51,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2020-12-22 06:56:51,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 309. [2020-12-22 06:56:51,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2020-12-22 06:56:51,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 431 transitions. [2020-12-22 06:56:51,026 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 431 transitions. Word has length 31 [2020-12-22 06:56:51,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:51,027 INFO L481 AbstractCegarLoop]: Abstraction has 309 states and 431 transitions. [2020-12-22 06:56:51,027 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:56:51,027 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 431 transitions. [2020-12-22 06:56:51,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-22 06:56:51,028 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:51,029 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:51,029 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:56:51,029 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:51,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:51,030 INFO L82 PathProgramCache]: Analyzing trace with hash -1289967718, now seen corresponding path program 1 times [2020-12-22 06:56:51,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:51,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371512285] [2020-12-22 06:56:51,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:51,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:51,077 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371512285] [2020-12-22 06:56:51,077 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:51,077 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:56:51,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517521257] [2020-12-22 06:56:51,078 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:56:51,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:51,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:56:51,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:56:51,079 INFO L87 Difference]: Start difference. First operand 309 states and 431 transitions. Second operand 4 states. [2020-12-22 06:56:51,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:51,155 INFO L93 Difference]: Finished difference Result 910 states and 1288 transitions. [2020-12-22 06:56:51,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:56:51,156 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-12-22 06:56:51,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:51,160 INFO L225 Difference]: With dead ends: 910 [2020-12-22 06:56:51,160 INFO L226 Difference]: Without dead ends: 688 [2020-12-22 06:56:51,161 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:51,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2020-12-22 06:56:51,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 309. [2020-12-22 06:56:51,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2020-12-22 06:56:51,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 427 transitions. [2020-12-22 06:56:51,206 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 427 transitions. Word has length 31 [2020-12-22 06:56:51,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:51,207 INFO L481 AbstractCegarLoop]: Abstraction has 309 states and 427 transitions. [2020-12-22 06:56:51,208 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:56:51,208 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 427 transitions. [2020-12-22 06:56:51,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-22 06:56:51,210 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:51,210 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:51,210 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:56:51,211 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:51,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:51,212 INFO L82 PathProgramCache]: Analyzing trace with hash -1682994728, now seen corresponding path program 1 times [2020-12-22 06:56:51,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:51,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372382252] [2020-12-22 06:56:51,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:51,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:51,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:51,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372382252] [2020-12-22 06:56:51,288 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:51,288 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:56:51,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264177704] [2020-12-22 06:56:51,289 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:51,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:51,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:51,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:51,292 INFO L87 Difference]: Start difference. First operand 309 states and 427 transitions. Second operand 5 states. [2020-12-22 06:56:51,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:51,506 INFO L93 Difference]: Finished difference Result 920 states and 1288 transitions. [2020-12-22 06:56:51,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:56:51,506 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-12-22 06:56:51,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:51,511 INFO L225 Difference]: With dead ends: 920 [2020-12-22 06:56:51,511 INFO L226 Difference]: Without dead ends: 698 [2020-12-22 06:56:51,513 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:56:51,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2020-12-22 06:56:51,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 340. [2020-12-22 06:56:51,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2020-12-22 06:56:51,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 473 transitions. [2020-12-22 06:56:51,556 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 473 transitions. Word has length 31 [2020-12-22 06:56:51,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:51,556 INFO L481 AbstractCegarLoop]: Abstraction has 340 states and 473 transitions. [2020-12-22 06:56:51,556 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:51,556 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 473 transitions. [2020-12-22 06:56:51,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-22 06:56:51,561 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:51,561 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:51,562 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:56:51,562 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:51,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:51,563 INFO L82 PathProgramCache]: Analyzing trace with hash -139690530, now seen corresponding path program 1 times [2020-12-22 06:56:51,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:51,563 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230141115] [2020-12-22 06:56:51,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:51,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:51,646 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 06:56:51,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230141115] [2020-12-22 06:56:51,647 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:51,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:56:51,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121776677] [2020-12-22 06:56:51,650 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:56:51,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:51,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:56:51,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:51,651 INFO L87 Difference]: Start difference. First operand 340 states and 473 transitions. Second operand 3 states. [2020-12-22 06:56:51,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:51,726 INFO L93 Difference]: Finished difference Result 429 states and 592 transitions. [2020-12-22 06:56:51,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:56:51,728 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-12-22 06:56:51,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:51,732 INFO L225 Difference]: With dead ends: 429 [2020-12-22 06:56:51,732 INFO L226 Difference]: Without dead ends: 162 [2020-12-22 06:56:51,735 INFO L677 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 [2020-12-22 06:56:51,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-12-22 06:56:51,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 150. [2020-12-22 06:56:51,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-12-22 06:56:51,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 196 transitions. [2020-12-22 06:56:51,748 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 196 transitions. Word has length 47 [2020-12-22 06:56:51,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:51,751 INFO L481 AbstractCegarLoop]: Abstraction has 150 states and 196 transitions. [2020-12-22 06:56:51,751 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:56:51,751 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 196 transitions. [2020-12-22 06:56:51,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-22 06:56:51,751 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:51,752 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:51,752 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 06:56:51,752 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:51,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:51,753 INFO L82 PathProgramCache]: Analyzing trace with hash -1164793824, now seen corresponding path program 1 times [2020-12-22 06:56:51,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:51,753 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928562518] [2020-12-22 06:56:51,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:51,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:51,816 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 06:56:51,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928562518] [2020-12-22 06:56:51,816 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:51,817 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:56:51,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797829973] [2020-12-22 06:56:51,817 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:51,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:51,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:51,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:51,818 INFO L87 Difference]: Start difference. First operand 150 states and 196 transitions. Second operand 5 states. [2020-12-22 06:56:51,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:51,927 INFO L93 Difference]: Finished difference Result 393 states and 514 transitions. [2020-12-22 06:56:51,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:56:51,928 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-12-22 06:56:51,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:51,930 INFO L225 Difference]: With dead ends: 393 [2020-12-22 06:56:51,930 INFO L226 Difference]: Without dead ends: 249 [2020-12-22 06:56:51,931 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:56:51,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2020-12-22 06:56:51,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 159. [2020-12-22 06:56:51,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-12-22 06:56:51,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 205 transitions. [2020-12-22 06:56:51,949 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 205 transitions. Word has length 51 [2020-12-22 06:56:51,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:51,950 INFO L481 AbstractCegarLoop]: Abstraction has 159 states and 205 transitions. [2020-12-22 06:56:51,950 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:51,950 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 205 transitions. [2020-12-22 06:56:51,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-22 06:56:51,951 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:51,951 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:51,951 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 06:56:51,951 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:51,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:51,952 INFO L82 PathProgramCache]: Analyzing trace with hash -463193950, now seen corresponding path program 1 times [2020-12-22 06:56:51,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:51,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810534160] [2020-12-22 06:56:51,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:52,041 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 06:56:52,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810534160] [2020-12-22 06:56:52,042 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:52,042 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:56:52,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302560730] [2020-12-22 06:56:52,043 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:52,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:52,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:52,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:52,044 INFO L87 Difference]: Start difference. First operand 159 states and 205 transitions. Second operand 5 states. [2020-12-22 06:56:52,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:52,108 INFO L93 Difference]: Finished difference Result 333 states and 430 transitions. [2020-12-22 06:56:52,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:56:52,108 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-12-22 06:56:52,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:52,110 INFO L225 Difference]: With dead ends: 333 [2020-12-22 06:56:52,110 INFO L226 Difference]: Without dead ends: 180 [2020-12-22 06:56:52,111 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:56:52,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2020-12-22 06:56:52,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 135. [2020-12-22 06:56:52,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-12-22 06:56:52,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 170 transitions. [2020-12-22 06:56:52,124 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 170 transitions. Word has length 51 [2020-12-22 06:56:52,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:52,125 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 170 transitions. [2020-12-22 06:56:52,125 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:52,125 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 170 transitions. [2020-12-22 06:56:52,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-22 06:56:52,126 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:52,126 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:52,127 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 06:56:52,127 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:52,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:52,127 INFO L82 PathProgramCache]: Analyzing trace with hash -1312943258, now seen corresponding path program 1 times [2020-12-22 06:56:52,128 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:52,128 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418580035] [2020-12-22 06:56:52,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:52,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:52,244 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:52,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418580035] [2020-12-22 06:56:52,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [684227505] [2020-12-22 06:56:52,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:56:52,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:52,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-22 06:56:52,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:56:52,515 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:52,516 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:56:52,516 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-12-22 06:56:52,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368595670] [2020-12-22 06:56:52,517 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 06:56:52,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:52,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 06:56:52,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:56:52,519 INFO L87 Difference]: Start difference. First operand 135 states and 170 transitions. Second operand 8 states. [2020-12-22 06:56:52,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:52,856 INFO L93 Difference]: Finished difference Result 516 states and 669 transitions. [2020-12-22 06:56:52,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-22 06:56:52,856 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-12-22 06:56:52,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:52,859 INFO L225 Difference]: With dead ends: 516 [2020-12-22 06:56:52,859 INFO L226 Difference]: Without dead ends: 411 [2020-12-22 06:56:52,860 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2020-12-22 06:56:52,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2020-12-22 06:56:52,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 189. [2020-12-22 06:56:52,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-12-22 06:56:52,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 241 transitions. [2020-12-22 06:56:52,883 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 241 transitions. Word has length 52 [2020-12-22 06:56:52,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:52,884 INFO L481 AbstractCegarLoop]: Abstraction has 189 states and 241 transitions. [2020-12-22 06:56:52,884 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 06:56:52,884 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 241 transitions. [2020-12-22 06:56:52,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-22 06:56:52,885 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:52,885 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:53,094 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-12-22 06:56:53,094 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:53,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:53,095 INFO L82 PathProgramCache]: Analyzing trace with hash -1082347880, now seen corresponding path program 2 times [2020-12-22 06:56:53,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:53,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243161550] [2020-12-22 06:56:53,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:53,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:53,272 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-22 06:56:53,272 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243161550] [2020-12-22 06:56:53,273 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:53,273 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:56:53,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884186736] [2020-12-22 06:56:53,275 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:53,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:53,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:53,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:53,276 INFO L87 Difference]: Start difference. First operand 189 states and 241 transitions. Second operand 5 states. [2020-12-22 06:56:53,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:53,691 INFO L93 Difference]: Finished difference Result 584 states and 755 transitions. [2020-12-22 06:56:53,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:56:53,693 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2020-12-22 06:56:53,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:53,696 INFO L225 Difference]: With dead ends: 584 [2020-12-22 06:56:53,696 INFO L226 Difference]: Without dead ends: 424 [2020-12-22 06:56:53,697 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:56:53,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2020-12-22 06:56:53,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 265. [2020-12-22 06:56:53,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2020-12-22 06:56:53,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 336 transitions. [2020-12-22 06:56:53,750 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 336 transitions. Word has length 73 [2020-12-22 06:56:53,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:53,751 INFO L481 AbstractCegarLoop]: Abstraction has 265 states and 336 transitions. [2020-12-22 06:56:53,751 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:53,751 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 336 transitions. [2020-12-22 06:56:53,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-22 06:56:53,752 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:53,752 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:53,752 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-22 06:56:53,754 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:53,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:53,755 INFO L82 PathProgramCache]: Analyzing trace with hash -807588266, now seen corresponding path program 1 times [2020-12-22 06:56:53,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:53,756 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52514401] [2020-12-22 06:56:53,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:53,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:53,874 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-22 06:56:53,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52514401] [2020-12-22 06:56:53,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2057660626] [2020-12-22 06:56:53,875 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 [2020-12-22 06:56:54,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:54,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-22 06:56:54,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:56:54,194 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-22 06:56:54,194 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 06:56:54,195 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2020-12-22 06:56:54,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72411846] [2020-12-22 06:56:54,198 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:54,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:54,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:54,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:56:54,199 INFO L87 Difference]: Start difference. First operand 265 states and 336 transitions. Second operand 5 states. [2020-12-22 06:56:54,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:54,281 INFO L93 Difference]: Finished difference Result 468 states and 590 transitions. [2020-12-22 06:56:54,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:56:54,282 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2020-12-22 06:56:54,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:54,283 INFO L225 Difference]: With dead ends: 468 [2020-12-22 06:56:54,283 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:56:54,285 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-12-22 06:56:54,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:56:54,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:56:54,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:56:54,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:56:54,286 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2020-12-22 06:56:54,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:54,286 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:56:54,287 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:54,287 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:56:54,287 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:56:54,500 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-12-22 06:56:54,504 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:56:54,878 WARN L197 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 113 [2020-12-22 06:56:55,048 WARN L197 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 97 [2020-12-22 06:56:55,590 WARN L197 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 109 [2020-12-22 06:56:56,033 WARN L197 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 109 [2020-12-22 06:56:56,353 WARN L197 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 105 [2020-12-22 06:56:56,692 WARN L197 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 125 [2020-12-22 06:56:57,114 WARN L197 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 19 [2020-12-22 06:56:57,381 WARN L197 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 28 [2020-12-22 06:56:57,608 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 24 [2020-12-22 06:56:57,842 WARN L197 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 19 [2020-12-22 06:56:58,214 WARN L197 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 19 [2020-12-22 06:56:58,485 WARN L197 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 27 [2020-12-22 06:56:58,979 WARN L197 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 19 [2020-12-22 06:56:59,488 WARN L197 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 15 [2020-12-22 06:57:00,194 WARN L197 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 25 [2020-12-22 06:57:00,200 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 604) no Hoare annotation was computed. [2020-12-22 06:57:00,201 INFO L185 CegarLoopUtils]: At program point L268(lines 259 272) the Hoare annotation is: false [2020-12-22 06:57:00,201 INFO L185 CegarLoopUtils]: At program point L268-1(lines 259 272) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2020-12-22 06:57:00,201 INFO L185 CegarLoopUtils]: At program point L268-2(lines 259 272) the Hoare annotation is: false [2020-12-22 06:57:00,201 INFO L185 CegarLoopUtils]: At program point L268-3(lines 259 272) the Hoare annotation is: false [2020-12-22 06:57:00,201 INFO L185 CegarLoopUtils]: At program point L268-4(lines 259 272) the Hoare annotation is: false [2020-12-22 06:57:00,201 INFO L185 CegarLoopUtils]: At program point L268-5(lines 259 272) the Hoare annotation is: false [2020-12-22 06:57:00,202 INFO L185 CegarLoopUtils]: At program point L335(lines 335 341) the Hoare annotation is: (let ((.cse2 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= 0 ~systemActive~0) .cse0 .cse1) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) .cse2 (<= 2 ~waterLevel~0) .cse1) (and .cse2 .cse0 (<= 1 ~waterLevel~0) .cse1))) [2020-12-22 06:57:00,202 INFO L185 CegarLoopUtils]: At program point L335-1(lines 335 341) the Hoare annotation is: false [2020-12-22 06:57:00,202 INFO L185 CegarLoopUtils]: At program point L335-2(lines 335 341) the Hoare annotation is: false [2020-12-22 06:57:00,202 INFO L185 CegarLoopUtils]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:00,202 INFO L185 CegarLoopUtils]: At program point L305(lines 1 973) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:00,202 INFO L192 CegarLoopUtils]: At program point L141(lines 122 144) the Hoare annotation is: true [2020-12-22 06:57:00,203 INFO L189 CegarLoopUtils]: For program point L604(line 604) no Hoare annotation was computed. [2020-12-22 06:57:00,203 INFO L189 CegarLoopUtils]: For program point L604-1(line 604) no Hoare annotation was computed. [2020-12-22 06:57:00,203 INFO L189 CegarLoopUtils]: For program point L604-2(line 604) no Hoare annotation was computed. [2020-12-22 06:57:00,203 INFO L185 CegarLoopUtils]: At program point L439(lines 434 442) the Hoare annotation is: (and (= 0 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:57:00,203 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 604) no Hoare annotation was computed. [2020-12-22 06:57:00,203 INFO L185 CegarLoopUtils]: At program point L439-1(lines 434 442) the Hoare annotation is: false [2020-12-22 06:57:00,203 INFO L185 CegarLoopUtils]: At program point L439-2(lines 434 442) the Hoare annotation is: false [2020-12-22 06:57:00,204 INFO L189 CegarLoopUtils]: For program point L573(lines 573 586) no Hoare annotation was computed. [2020-12-22 06:57:00,204 INFO L189 CegarLoopUtils]: For program point L507(lines 507 511) no Hoare annotation was computed. [2020-12-22 06:57:00,204 INFO L189 CegarLoopUtils]: For program point L507-2(lines 507 511) no Hoare annotation was computed. [2020-12-22 06:57:00,204 INFO L189 CegarLoopUtils]: For program point L507-3(lines 507 511) no Hoare annotation was computed. [2020-12-22 06:57:00,204 INFO L189 CegarLoopUtils]: For program point L507-5(lines 507 511) no Hoare annotation was computed. [2020-12-22 06:57:00,204 INFO L189 CegarLoopUtils]: For program point L507-6(lines 507 511) no Hoare annotation was computed. [2020-12-22 06:57:00,204 INFO L189 CegarLoopUtils]: For program point L507-8(lines 507 511) no Hoare annotation was computed. [2020-12-22 06:57:00,204 INFO L189 CegarLoopUtils]: For program point L210(lines 210 214) no Hoare annotation was computed. [2020-12-22 06:57:00,205 INFO L185 CegarLoopUtils]: At program point L278(lines 273 281) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-12-22 06:57:00,205 INFO L185 CegarLoopUtils]: At program point L278-1(lines 273 281) the Hoare annotation is: false [2020-12-22 06:57:00,205 INFO L185 CegarLoopUtils]: At program point L278-2(lines 273 281) the Hoare annotation is: false [2020-12-22 06:57:00,205 INFO L189 CegarLoopUtils]: For program point L544(lines 543 590) no Hoare annotation was computed. [2020-12-22 06:57:00,205 INFO L185 CegarLoopUtils]: At program point L313(lines 308 316) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:00,205 INFO L189 CegarLoopUtils]: For program point L545(lines 545 549) no Hoare annotation was computed. [2020-12-22 06:57:00,206 INFO L189 CegarLoopUtils]: For program point L579(lines 579 585) no Hoare annotation was computed. [2020-12-22 06:57:00,206 INFO L185 CegarLoopUtils]: At program point L579-1(lines 328 334) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= 0 ~systemActive~0) .cse0 .cse1) (and .cse2 .cse0 .cse1 (<= 1 ~waterLevel~0)) (and .cse2 (<= 2 ~waterLevel~0) .cse1))) [2020-12-22 06:57:00,206 INFO L185 CegarLoopUtils]: At program point L513(lines 498 516) the Hoare annotation is: (and (= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~2) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|)) [2020-12-22 06:57:00,206 INFO L185 CegarLoopUtils]: At program point L513-1(lines 498 516) the Hoare annotation is: false [2020-12-22 06:57:00,206 INFO L185 CegarLoopUtils]: At program point L513-2(lines 498 516) the Hoare annotation is: false [2020-12-22 06:57:00,206 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:57:00,206 INFO L189 CegarLoopUtils]: For program point L186(lines 186 190) no Hoare annotation was computed. [2020-12-22 06:57:00,207 INFO L189 CegarLoopUtils]: For program point L186-3(lines 186 190) no Hoare annotation was computed. [2020-12-22 06:57:00,207 INFO L189 CegarLoopUtils]: For program point L186-6(lines 186 190) no Hoare annotation was computed. [2020-12-22 06:57:00,207 INFO L185 CegarLoopUtils]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-12-22 06:57:00,207 INFO L189 CegarLoopUtils]: For program point L55(line 55) no Hoare annotation was computed. [2020-12-22 06:57:00,207 INFO L189 CegarLoopUtils]: For program point L386(lines 386 403) no Hoare annotation was computed. [2020-12-22 06:57:00,207 INFO L189 CegarLoopUtils]: For program point L386-1(lines 386 403) no Hoare annotation was computed. [2020-12-22 06:57:00,207 INFO L189 CegarLoopUtils]: For program point L386-2(lines 386 403) no Hoare annotation was computed. [2020-12-22 06:57:00,208 INFO L185 CegarLoopUtils]: At program point L255(lines 250 258) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 .cse3 .cse1 (<= 1 ~waterLevel~0) .cse2) (and (= 0 ~systemActive~0) .cse3 .cse1))) [2020-12-22 06:57:00,208 INFO L185 CegarLoopUtils]: At program point L255-1(lines 250 258) the Hoare annotation is: false [2020-12-22 06:57:00,208 INFO L185 CegarLoopUtils]: At program point L255-2(lines 250 258) the Hoare annotation is: false [2020-12-22 06:57:00,208 INFO L189 CegarLoopUtils]: For program point L553(lines 553 559) no Hoare annotation was computed. [2020-12-22 06:57:00,208 INFO L185 CegarLoopUtils]: At program point L553-1(lines 553 559) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= 0 ~systemActive~0) .cse0 .cse1) (and .cse2 .cse0 .cse1 (<= 1 ~waterLevel~0)) (and .cse2 (<= 2 ~waterLevel~0) .cse1))) [2020-12-22 06:57:00,208 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:57:00,208 INFO L189 CegarLoopUtils]: For program point L157(lines 157 170) no Hoare annotation was computed. [2020-12-22 06:57:00,209 INFO L185 CegarLoopUtils]: At program point L157-1(lines 1 973) the Hoare annotation is: (let ((.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 |ULTIMATE.start_getWaterLevel_#res|))) (or (and (= 0 ~systemActive~0) .cse0 .cse1) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) .cse2 .cse3 (<= 2 ~waterLevel~0) .cse1 .cse4) (and (= ~waterLevel~0 1) .cse2 .cse0 .cse1) (and .cse2 .cse3 .cse0 .cse1 (<= 1 ~waterLevel~0) .cse4))) [2020-12-22 06:57:00,209 INFO L189 CegarLoopUtils]: For program point L157-2(lines 157 170) no Hoare annotation was computed. [2020-12-22 06:57:00,209 INFO L185 CegarLoopUtils]: At program point L157-3(lines 1 973) the Hoare annotation is: false [2020-12-22 06:57:00,209 INFO L189 CegarLoopUtils]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-12-22 06:57:00,209 INFO L189 CegarLoopUtils]: For program point L58-1(lines 328 334) no Hoare annotation was computed. [2020-12-22 06:57:00,209 INFO L189 CegarLoopUtils]: For program point L157-4(lines 157 170) no Hoare annotation was computed. [2020-12-22 06:57:00,209 INFO L185 CegarLoopUtils]: At program point L157-5(lines 1 973) the Hoare annotation is: false [2020-12-22 06:57:00,210 INFO L189 CegarLoopUtils]: For program point L521(lines 521 527) no Hoare annotation was computed. [2020-12-22 06:57:00,210 INFO L185 CegarLoopUtils]: At program point L521-1(lines 521 527) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:57:00,210 INFO L189 CegarLoopUtils]: For program point L488(lines 488 492) no Hoare annotation was computed. [2020-12-22 06:57:00,210 INFO L189 CegarLoopUtils]: For program point L488-2(lines 488 492) no Hoare annotation was computed. [2020-12-22 06:57:00,210 INFO L189 CegarLoopUtils]: For program point L488-3(lines 488 492) no Hoare annotation was computed. [2020-12-22 06:57:00,210 INFO L189 CegarLoopUtils]: For program point L488-5(lines 488 492) no Hoare annotation was computed. [2020-12-22 06:57:00,210 INFO L189 CegarLoopUtils]: For program point L488-6(lines 488 492) no Hoare annotation was computed. [2020-12-22 06:57:00,210 INFO L189 CegarLoopUtils]: For program point L488-8(lines 488 492) no Hoare annotation was computed. [2020-12-22 06:57:00,211 INFO L189 CegarLoopUtils]: For program point L488-9(lines 488 492) no Hoare annotation was computed. [2020-12-22 06:57:00,211 INFO L189 CegarLoopUtils]: For program point L488-11(lines 488 492) no Hoare annotation was computed. [2020-12-22 06:57:00,211 INFO L189 CegarLoopUtils]: For program point L488-12(lines 488 492) no Hoare annotation was computed. [2020-12-22 06:57:00,211 INFO L189 CegarLoopUtils]: For program point L488-14(lines 488 492) no Hoare annotation was computed. [2020-12-22 06:57:00,211 INFO L189 CegarLoopUtils]: For program point L488-15(lines 488 492) no Hoare annotation was computed. [2020-12-22 06:57:00,211 INFO L189 CegarLoopUtils]: For program point L488-17(lines 488 492) no Hoare annotation was computed. [2020-12-22 06:57:00,211 INFO L189 CegarLoopUtils]: For program point L390(lines 390 398) no Hoare annotation was computed. [2020-12-22 06:57:00,211 INFO L189 CegarLoopUtils]: For program point L390-1(lines 390 398) no Hoare annotation was computed. [2020-12-22 06:57:00,212 INFO L189 CegarLoopUtils]: For program point L390-2(lines 390 398) no Hoare annotation was computed. [2020-12-22 06:57:00,212 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:57:00,212 INFO L189 CegarLoopUtils]: For program point L161(lines 161 167) no Hoare annotation was computed. [2020-12-22 06:57:00,212 INFO L189 CegarLoopUtils]: For program point L161-2(lines 161 167) no Hoare annotation was computed. [2020-12-22 06:57:00,212 INFO L189 CegarLoopUtils]: For program point L161-4(lines 161 167) no Hoare annotation was computed. [2020-12-22 06:57:00,212 INFO L185 CegarLoopUtils]: At program point L591(lines 542 592) the Hoare annotation is: false [2020-12-22 06:57:00,212 INFO L189 CegarLoopUtils]: For program point L360(lines 360 377) no Hoare annotation was computed. [2020-12-22 06:57:00,212 INFO L189 CegarLoopUtils]: For program point L360-1(lines 360 377) no Hoare annotation was computed. [2020-12-22 06:57:00,213 INFO L189 CegarLoopUtils]: For program point L360-2(lines 360 377) no Hoare annotation was computed. [2020-12-22 06:57:00,213 INFO L189 CegarLoopUtils]: For program point L360-3(lines 360 377) no Hoare annotation was computed. [2020-12-22 06:57:00,213 INFO L189 CegarLoopUtils]: For program point L360-4(lines 360 377) no Hoare annotation was computed. [2020-12-22 06:57:00,213 INFO L189 CegarLoopUtils]: For program point L360-5(lines 360 377) no Hoare annotation was computed. [2020-12-22 06:57:00,213 INFO L185 CegarLoopUtils]: At program point L328(lines 327 346) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= 0 ~systemActive~0) (= ~pumpRunning~0 0) .cse0) (and (= 1 ~systemActive~0) .cse0 (<= 1 ~waterLevel~0)))) [2020-12-22 06:57:00,213 INFO L189 CegarLoopUtils]: For program point L328-1(lines 328 334) no Hoare annotation was computed. [2020-12-22 06:57:00,213 INFO L185 CegarLoopUtils]: At program point L328-2(lines 327 346) the Hoare annotation is: false [2020-12-22 06:57:00,213 INFO L185 CegarLoopUtils]: At program point L328-3(lines 327 346) the Hoare annotation is: false [2020-12-22 06:57:00,214 INFO L185 CegarLoopUtils]: At program point L494(lines 479 497) the Hoare annotation is: false [2020-12-22 06:57:00,214 INFO L185 CegarLoopUtils]: At program point L494-1(lines 479 497) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not .cse0) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (not .cse1) .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse3 .cse4 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4))) [2020-12-22 06:57:00,214 INFO L185 CegarLoopUtils]: At program point L494-2(lines 479 497) the Hoare annotation is: false [2020-12-22 06:57:00,214 INFO L185 CegarLoopUtils]: At program point L494-3(lines 479 497) the Hoare annotation is: false [2020-12-22 06:57:00,214 INFO L185 CegarLoopUtils]: At program point L494-4(lines 479 497) the Hoare annotation is: false [2020-12-22 06:57:00,214 INFO L185 CegarLoopUtils]: At program point L494-5(lines 479 497) the Hoare annotation is: false [2020-12-22 06:57:00,215 INFO L189 CegarLoopUtils]: For program point L263(lines 263 269) no Hoare annotation was computed. [2020-12-22 06:57:00,215 INFO L189 CegarLoopUtils]: For program point L263-1(lines 263 269) no Hoare annotation was computed. [2020-12-22 06:57:00,215 INFO L189 CegarLoopUtils]: For program point L263-2(lines 263 269) no Hoare annotation was computed. [2020-12-22 06:57:00,215 INFO L189 CegarLoopUtils]: For program point L263-3(lines 263 269) no Hoare annotation was computed. [2020-12-22 06:57:00,215 INFO L189 CegarLoopUtils]: For program point L263-4(lines 263 269) no Hoare annotation was computed. [2020-12-22 06:57:00,215 INFO L189 CegarLoopUtils]: For program point L263-5(lines 263 269) no Hoare annotation was computed. [2020-12-22 06:57:00,215 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:57:00,216 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 604) no Hoare annotation was computed. [2020-12-22 06:57:00,216 INFO L189 CegarLoopUtils]: For program point L198(lines 198 202) no Hoare annotation was computed. [2020-12-22 06:57:00,216 INFO L189 CegarLoopUtils]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-12-22 06:57:00,216 INFO L192 CegarLoopUtils]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2020-12-22 06:57:00,216 INFO L189 CegarLoopUtils]: For program point L364(lines 364 372) no Hoare annotation was computed. [2020-12-22 06:57:00,216 INFO L189 CegarLoopUtils]: For program point L364-1(lines 364 372) no Hoare annotation was computed. [2020-12-22 06:57:00,216 INFO L189 CegarLoopUtils]: For program point L364-2(lines 364 372) no Hoare annotation was computed. [2020-12-22 06:57:00,216 INFO L189 CegarLoopUtils]: For program point L364-3(lines 364 372) no Hoare annotation was computed. [2020-12-22 06:57:00,217 INFO L189 CegarLoopUtils]: For program point L364-4(lines 364 372) no Hoare annotation was computed. [2020-12-22 06:57:00,217 INFO L189 CegarLoopUtils]: For program point L364-5(lines 364 372) no Hoare annotation was computed. [2020-12-22 06:57:00,217 INFO L189 CegarLoopUtils]: For program point L563(lines 563 569) no Hoare annotation was computed. [2020-12-22 06:57:00,217 INFO L185 CegarLoopUtils]: At program point L563-1(lines 563 569) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= 0 ~systemActive~0) .cse0 .cse1) (and .cse2 .cse0 .cse1 (<= 1 ~waterLevel~0)) (and .cse2 (<= 2 ~waterLevel~0) .cse1))) [2020-12-22 06:57:00,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:57:00 BoogieIcfgContainer [2020-12-22 06:57:00,247 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:57:00,248 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:57:00,248 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:57:00,248 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:57:00,249 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:48" (3/4) ... [2020-12-22 06:57:00,252 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:57:00,276 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:57:00,277 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:57:00,279 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:57:00,280 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:57:00,281 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:57:00,282 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:00,283 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:00,329 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 0 && tmp == 0) && 1 == systemActive) && 1 <= tmp) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) [2020-12-22 06:57:00,333 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == 0 && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || (((1 == systemActive && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) [2020-12-22 06:57:00,335 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 0 && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:00,336 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel [2020-12-22 06:57:00,340 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:00,341 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-12-22 06:57:00,344 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 0 && 1 == systemActive) && \result == 0) && 1 <= tmp___0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result [2020-12-22 06:57:00,345 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\result == 0) && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((\result == 0 && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:00,471 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec4_product51.cil.c-witness.graphml [2020-12-22 06:57:00,471 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:57:00,472 INFO L168 Benchmark]: Toolchain (without parser) took 13483.36 ms. Allocated memory was 151.0 MB in the beginning and 316.7 MB in the end (delta: 165.7 MB). Free memory was 124.8 MB in the beginning and 289.1 MB in the end (delta: -164.2 MB). Peak memory consumption was 149.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:00,472 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 122.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:57:00,473 INFO L168 Benchmark]: CACSL2BoogieTranslator took 561.94 ms. Allocated memory is still 151.0 MB. Free memory was 124.7 MB in the beginning and 103.1 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:00,474 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.10 ms. Allocated memory is still 151.0 MB. Free memory was 103.1 MB in the beginning and 131.9 MB in the end (delta: -28.8 MB). Peak memory consumption was 6.6 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:00,474 INFO L168 Benchmark]: Boogie Preprocessor took 73.28 ms. Allocated memory is still 151.0 MB. Free memory was 131.9 MB in the beginning and 129.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:00,475 INFO L168 Benchmark]: RCFGBuilder took 1234.74 ms. Allocated memory is still 151.0 MB. Free memory was 129.2 MB in the beginning and 66.9 MB in the end (delta: 62.4 MB). Peak memory consumption was 61.9 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:00,475 INFO L168 Benchmark]: TraceAbstraction took 11252.81 ms. Allocated memory was 151.0 MB in the beginning and 263.2 MB in the end (delta: 112.2 MB). Free memory was 66.3 MB in the beginning and 93.5 MB in the end (delta: -27.2 MB). Peak memory consumption was 91.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:00,476 INFO L168 Benchmark]: Witness Printer took 223.24 ms. Allocated memory was 263.2 MB in the beginning and 316.7 MB in the end (delta: 53.5 MB). Free memory was 93.5 MB in the beginning and 289.1 MB in the end (delta: -195.6 MB). Peak memory consumption was 3.7 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:00,479 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 122.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 561.94 ms. Allocated memory is still 151.0 MB. Free memory was 124.7 MB in the beginning and 103.1 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 129.10 ms. Allocated memory is still 151.0 MB. Free memory was 103.1 MB in the beginning and 131.9 MB in the end (delta: -28.8 MB). Peak memory consumption was 6.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 73.28 ms. Allocated memory is still 151.0 MB. Free memory was 131.9 MB in the beginning and 129.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1234.74 ms. Allocated memory is still 151.0 MB. Free memory was 129.2 MB in the beginning and 66.9 MB in the end (delta: 62.4 MB). Peak memory consumption was 61.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 11252.81 ms. Allocated memory was 151.0 MB in the beginning and 263.2 MB in the end (delta: 112.2 MB). Free memory was 66.3 MB in the beginning and 93.5 MB in the end (delta: -27.2 MB). Peak memory consumption was 91.3 MB. Max. memory is 8.0 GB. * Witness Printer took 223.24 ms. Allocated memory was 263.2 MB in the beginning and 316.7 MB in the end (delta: 53.5 MB). Free memory was 93.5 MB in the beginning and 289.1 MB in the end (delta: -195.6 MB). Peak memory consumption was 3.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 604]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 604]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 604]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: (((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 0 && tmp == 0) && 1 == systemActive) && 1 <= tmp) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: (((((tmp == 0 && 1 == systemActive) && \result == 0) && 1 <= tmp___0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: ((((((\result == 0 && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: (((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: (((((((!(\result == 0) && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((\result == 0 && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: ((0 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: (((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: ((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) || ((1 == systemActive && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: (((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == 0 && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || (((1 == systemActive && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 119 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.4s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1635 SDtfs, 1913 SDslu, 2692 SDs, 0 SdLazy, 416 SolverSat, 77 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=340occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 15 MinimizatonAttempts, 1633 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 162 NumberOfFragments, 465 HoareAnnotationTreeSize, 44 FomulaSimplifications, 1179822 FormulaSimplificationTreeSizeReduction, 2.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 141145 FormulaSimplificationTreeSizeReductionInter, 3.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 695 NumberOfCodeBlocks, 695 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 678 ConstructedInterpolants, 0 QuantifiedInterpolants, 55000 SizeOfPredicates, 6 NumberOfNonLiveVariables, 899 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 17 InterpolantComputations, 14 PerfectInterpolantSequences, 200/216 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...