/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_spec2_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:54:43,124 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:54:43,128 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:54:43,180 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:54:43,181 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:54:43,185 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:54:43,188 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:54:43,196 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:54:43,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:54:43,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:54:43,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:54:43,207 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:54:43,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:54:43,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:54:43,213 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:54:43,214 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:54:43,215 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:54:43,218 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:54:43,225 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:54:43,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:54:43,235 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:54:43,236 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:54:43,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:54:43,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:54:43,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:54:43,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:54:43,254 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:54:43,256 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:54:43,257 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:54:43,258 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:54:43,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:54:43,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:54:43,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:54:43,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:54:43,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:54:43,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:54:43,262 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:54:43,308 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:54:43,308 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:54:43,310 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:54:43,310 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:54:43,310 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:54:43,311 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:54:43,311 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:54:43,311 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:54:43,311 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:54:43,311 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:54:43,312 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:54:43,312 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:54:43,312 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:54:43,312 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:54:43,313 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:54:43,313 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:54:43,313 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:54:43,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:54:43,313 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:54:43,314 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:54:43,314 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:54:43,314 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:54:43,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:54:43,315 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:54:43,315 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:54:43,315 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:54:43,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:54:43,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:54:43,716 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:54:43,717 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:54:43,718 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:54:43,719 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c [2020-12-22 06:54:43,798 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b137c98a/ed4d2dc071fb498c8daaa00967467804/FLAG413a72bef [2020-12-22 06:54:44,587 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:54:44,588 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c [2020-12-22 06:54:44,607 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b137c98a/ed4d2dc071fb498c8daaa00967467804/FLAG413a72bef [2020-12-22 06:54:44,845 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b137c98a/ed4d2dc071fb498c8daaa00967467804 [2020-12-22 06:54:44,848 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:54:44,851 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:54:44,856 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:54:44,856 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:54:44,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:54:44,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:54:44" (1/1) ... [2020-12-22 06:54:44,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dcc6a81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:44, skipping insertion in model container [2020-12-22 06:54:44,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:54:44" (1/1) ... [2020-12-22 06:54:44,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:54:44,943 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:54:45,210 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_spec2_product45.cil.c[10968,10981] [2020-12-22 06:54:45,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:54:45,278 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:54:45,393 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_spec2_product45.cil.c[10968,10981] [2020-12-22 06:54:45,440 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:54:45,477 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:54:45,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:45 WrapperNode [2020-12-22 06:54:45,478 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:54:45,479 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:54:45,479 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:54:45,479 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:54:45,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:45" (1/1) ... [2020-12-22 06:54:45,506 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:45" (1/1) ... [2020-12-22 06:54:45,568 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:54:45,569 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:54:45,569 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:54:45,569 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:54:45,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:45" (1/1) ... [2020-12-22 06:54:45,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:45" (1/1) ... [2020-12-22 06:54:45,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:45" (1/1) ... [2020-12-22 06:54:45,599 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:45" (1/1) ... [2020-12-22 06:54:45,630 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:45" (1/1) ... [2020-12-22 06:54:45,650 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:45" (1/1) ... [2020-12-22 06:54:45,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:45" (1/1) ... [2020-12-22 06:54:45,668 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:54:45,670 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:54:45,670 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:54:45,670 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:54:45,671 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:45" (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 06:54:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:54:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:54:45,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:54:45,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:54:46,865 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:54:46,866 INFO L299 CfgBuilder]: Removed 194 assume(true) statements. [2020-12-22 06:54:46,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:46 BoogieIcfgContainer [2020-12-22 06:54:46,869 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:54:46,871 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:54:46,872 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:54:46,875 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:54:46,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:54:44" (1/3) ... [2020-12-22 06:54:46,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@723ccb80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:54:46, skipping insertion in model container [2020-12-22 06:54:46,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:45" (2/3) ... [2020-12-22 06:54:46,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@723ccb80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:54:46, skipping insertion in model container [2020-12-22 06:54:46,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:46" (3/3) ... [2020-12-22 06:54:46,882 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product45.cil.c [2020-12-22 06:54:46,889 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:54:46,894 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:54:46,912 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:54:46,940 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:54:46,941 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:54:46,941 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:54:46,941 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:54:46,941 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:54:46,941 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:54:46,941 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:54:46,941 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:54:46,960 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2020-12-22 06:54:46,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-22 06:54:46,967 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:46,968 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:46,969 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:46,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:46,975 INFO L82 PathProgramCache]: Analyzing trace with hash 1990737743, now seen corresponding path program 1 times [2020-12-22 06:54:46,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:46,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759109460] [2020-12-22 06:54:46,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:47,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:47,317 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 06:54:47,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759109460] [2020-12-22 06:54:47,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:47,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:54:47,321 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007375297] [2020-12-22 06:54:47,326 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:54:47,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:47,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:54:47,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:54:47,348 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 2 states. [2020-12-22 06:54:47,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:47,384 INFO L93 Difference]: Finished difference Result 259 states and 390 transitions. [2020-12-22 06:54:47,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:54:47,385 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-12-22 06:54:47,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:47,398 INFO L225 Difference]: With dead ends: 259 [2020-12-22 06:54:47,398 INFO L226 Difference]: Without dead ends: 129 [2020-12-22 06:54:47,402 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 06:54:47,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-12-22 06:54:47,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2020-12-22 06:54:47,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-12-22 06:54:47,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 187 transitions. [2020-12-22 06:54:47,454 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 187 transitions. Word has length 18 [2020-12-22 06:54:47,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:47,454 INFO L481 AbstractCegarLoop]: Abstraction has 129 states and 187 transitions. [2020-12-22 06:54:47,454 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:54:47,455 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 187 transitions. [2020-12-22 06:54:47,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:54:47,456 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:47,456 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:47,457 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:54:47,457 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:47,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:47,458 INFO L82 PathProgramCache]: Analyzing trace with hash 1480807491, now seen corresponding path program 1 times [2020-12-22 06:54:47,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:47,458 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924694580] [2020-12-22 06:54:47,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:47,622 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 06:54:47,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924694580] [2020-12-22 06:54:47,623 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:47,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:54:47,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414371064] [2020-12-22 06:54:47,625 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:47,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:47,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:47,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:47,627 INFO L87 Difference]: Start difference. First operand 129 states and 187 transitions. Second operand 3 states. [2020-12-22 06:54:47,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:47,645 INFO L93 Difference]: Finished difference Result 129 states and 187 transitions. [2020-12-22 06:54:47,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:47,645 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-22 06:54:47,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:47,647 INFO L225 Difference]: With dead ends: 129 [2020-12-22 06:54:47,647 INFO L226 Difference]: Without dead ends: 53 [2020-12-22 06:54:47,648 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 06:54:47,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-12-22 06:54:47,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-12-22 06:54:47,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-12-22 06:54:47,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2020-12-22 06:54:47,656 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 19 [2020-12-22 06:54:47,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:47,657 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2020-12-22 06:54:47,657 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:47,657 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2020-12-22 06:54:47,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:54:47,658 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:47,658 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 06:54:47,659 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:54:47,659 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:47,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:47,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1380156086, now seen corresponding path program 1 times [2020-12-22 06:54:47,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:47,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563025546] [2020-12-22 06:54:47,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:47,783 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 06:54:47,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563025546] [2020-12-22 06:54:47,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:47,784 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:54:47,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716806549] [2020-12-22 06:54:47,785 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:54:47,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:47,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:54:47,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:54:47,789 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 6 states. [2020-12-22 06:54:48,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:48,064 INFO L93 Difference]: Finished difference Result 99 states and 145 transitions. [2020-12-22 06:54:48,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:54:48,066 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-12-22 06:54:48,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:48,068 INFO L225 Difference]: With dead ends: 99 [2020-12-22 06:54:48,068 INFO L226 Difference]: Without dead ends: 53 [2020-12-22 06:54:48,069 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:54:48,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-12-22 06:54:48,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-12-22 06:54:48,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-12-22 06:54:48,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2020-12-22 06:54:48,087 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 24 [2020-12-22 06:54:48,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:48,088 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2020-12-22 06:54:48,088 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:54:48,088 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2020-12-22 06:54:48,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:54:48,090 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:48,090 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 06:54:48,091 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:54:48,091 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:48,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:48,092 INFO L82 PathProgramCache]: Analyzing trace with hash -1074913896, now seen corresponding path program 1 times [2020-12-22 06:54:48,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:48,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919452627] [2020-12-22 06:54:48,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:48,262 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 06:54:48,262 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919452627] [2020-12-22 06:54:48,262 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:48,263 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:54:48,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472956607] [2020-12-22 06:54:48,264 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:48,264 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:48,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:48,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:48,266 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand 3 states. [2020-12-22 06:54:48,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:48,326 INFO L93 Difference]: Finished difference Result 121 states and 175 transitions. [2020-12-22 06:54:48,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:48,327 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-12-22 06:54:48,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:48,328 INFO L225 Difference]: With dead ends: 121 [2020-12-22 06:54:48,328 INFO L226 Difference]: Without dead ends: 75 [2020-12-22 06:54:48,329 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 06:54:48,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-12-22 06:54:48,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2020-12-22 06:54:48,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-12-22 06:54:48,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 103 transitions. [2020-12-22 06:54:48,356 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 103 transitions. Word has length 26 [2020-12-22 06:54:48,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:48,356 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 103 transitions. [2020-12-22 06:54:48,357 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:48,357 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 103 transitions. [2020-12-22 06:54:48,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-22 06:54:48,358 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:48,358 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, 1] [2020-12-22 06:54:48,358 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:54:48,359 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:48,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:48,362 INFO L82 PathProgramCache]: Analyzing trace with hash -989359546, now seen corresponding path program 1 times [2020-12-22 06:54:48,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:48,362 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767153220] [2020-12-22 06:54:48,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:48,485 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 06:54:48,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767153220] [2020-12-22 06:54:48,486 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:48,486 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:54:48,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185339055] [2020-12-22 06:54:48,487 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:54:48,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:48,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:54:48,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:54:48,490 INFO L87 Difference]: Start difference. First operand 73 states and 103 transitions. Second operand 4 states. [2020-12-22 06:54:48,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:48,540 INFO L93 Difference]: Finished difference Result 203 states and 291 transitions. [2020-12-22 06:54:48,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:54:48,540 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-12-22 06:54:48,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:48,542 INFO L225 Difference]: With dead ends: 203 [2020-12-22 06:54:48,542 INFO L226 Difference]: Without dead ends: 137 [2020-12-22 06:54:48,543 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 06:54:48,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-12-22 06:54:48,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 77. [2020-12-22 06:54:48,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-12-22 06:54:48,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 107 transitions. [2020-12-22 06:54:48,557 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 107 transitions. Word has length 32 [2020-12-22 06:54:48,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:48,557 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 107 transitions. [2020-12-22 06:54:48,558 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:54:48,558 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2020-12-22 06:54:48,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-22 06:54:48,559 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:48,559 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, 1] [2020-12-22 06:54:48,559 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:54:48,560 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:48,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:48,560 INFO L82 PathProgramCache]: Analyzing trace with hash -1690424124, now seen corresponding path program 1 times [2020-12-22 06:54:48,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:48,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246929615] [2020-12-22 06:54:48,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:48,659 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 06:54:48,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246929615] [2020-12-22 06:54:48,660 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:48,660 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:54:48,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219620419] [2020-12-22 06:54:48,662 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:48,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:48,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:48,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:48,664 INFO L87 Difference]: Start difference. First operand 77 states and 107 transitions. Second operand 5 states. [2020-12-22 06:54:48,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:48,810 INFO L93 Difference]: Finished difference Result 364 states and 517 transitions. [2020-12-22 06:54:48,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:54:48,811 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-12-22 06:54:48,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:48,814 INFO L225 Difference]: With dead ends: 364 [2020-12-22 06:54:48,814 INFO L226 Difference]: Without dead ends: 294 [2020-12-22 06:54:48,817 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 06:54:48,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2020-12-22 06:54:48,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 139. [2020-12-22 06:54:48,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-12-22 06:54:48,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 192 transitions. [2020-12-22 06:54:48,853 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 192 transitions. Word has length 32 [2020-12-22 06:54:48,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:48,854 INFO L481 AbstractCegarLoop]: Abstraction has 139 states and 192 transitions. [2020-12-22 06:54:48,854 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:48,855 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 192 transitions. [2020-12-22 06:54:48,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:54:48,859 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:48,859 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, 1, 1] [2020-12-22 06:54:48,859 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:54:48,859 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:48,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:48,862 INFO L82 PathProgramCache]: Analyzing trace with hash -1690580660, now seen corresponding path program 1 times [2020-12-22 06:54:48,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:48,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918159063] [2020-12-22 06:54:48,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:48,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:48,953 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 06:54:48,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918159063] [2020-12-22 06:54:48,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:48,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:54:48,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897436048] [2020-12-22 06:54:48,956 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:48,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:48,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:48,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:48,958 INFO L87 Difference]: Start difference. First operand 139 states and 192 transitions. Second operand 5 states. [2020-12-22 06:54:49,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:49,077 INFO L93 Difference]: Finished difference Result 526 states and 731 transitions. [2020-12-22 06:54:49,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:54:49,078 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-12-22 06:54:49,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:49,082 INFO L225 Difference]: With dead ends: 526 [2020-12-22 06:54:49,082 INFO L226 Difference]: Without dead ends: 394 [2020-12-22 06:54:49,085 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 06:54:49,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2020-12-22 06:54:49,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 138. [2020-12-22 06:54:49,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-12-22 06:54:49,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 189 transitions. [2020-12-22 06:54:49,108 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 189 transitions. Word has length 33 [2020-12-22 06:54:49,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:49,109 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 189 transitions. [2020-12-22 06:54:49,109 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:49,109 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 189 transitions. [2020-12-22 06:54:49,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-22 06:54:49,113 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:49,113 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, 1, 1, 1, 1, 1] [2020-12-22 06:54:49,114 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:54:49,114 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:49,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:49,114 INFO L82 PathProgramCache]: Analyzing trace with hash 1651164780, now seen corresponding path program 1 times [2020-12-22 06:54:49,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:49,115 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357121424] [2020-12-22 06:54:49,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:49,203 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 06:54:49,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357121424] [2020-12-22 06:54:49,204 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:49,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:54:49,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74101944] [2020-12-22 06:54:49,205 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:49,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:49,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:49,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:49,206 INFO L87 Difference]: Start difference. First operand 138 states and 189 transitions. Second operand 5 states. [2020-12-22 06:54:49,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:49,274 INFO L93 Difference]: Finished difference Result 355 states and 485 transitions. [2020-12-22 06:54:49,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:54:49,275 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-12-22 06:54:49,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:49,276 INFO L225 Difference]: With dead ends: 355 [2020-12-22 06:54:49,277 INFO L226 Difference]: Without dead ends: 224 [2020-12-22 06:54:49,277 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 06:54:49,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2020-12-22 06:54:49,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 150. [2020-12-22 06:54:49,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-12-22 06:54:49,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 201 transitions. [2020-12-22 06:54:49,293 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 201 transitions. Word has length 36 [2020-12-22 06:54:49,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:49,293 INFO L481 AbstractCegarLoop]: Abstraction has 150 states and 201 transitions. [2020-12-22 06:54:49,293 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:49,294 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 201 transitions. [2020-12-22 06:54:49,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-22 06:54:49,297 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:49,297 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, 1, 1, 1, 1, 1] [2020-12-22 06:54:49,297 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:54:49,298 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:49,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:49,298 INFO L82 PathProgramCache]: Analyzing trace with hash -381020824, now seen corresponding path program 1 times [2020-12-22 06:54:49,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:49,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192408057] [2020-12-22 06:54:49,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:49,371 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 06:54:49,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192408057] [2020-12-22 06:54:49,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:49,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:54:49,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577154341] [2020-12-22 06:54:49,376 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:49,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:49,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:49,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:49,377 INFO L87 Difference]: Start difference. First operand 150 states and 201 transitions. Second operand 3 states. [2020-12-22 06:54:49,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:49,412 INFO L93 Difference]: Finished difference Result 343 states and 459 transitions. [2020-12-22 06:54:49,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:49,413 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2020-12-22 06:54:49,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:49,416 INFO L225 Difference]: With dead ends: 343 [2020-12-22 06:54:49,416 INFO L226 Difference]: Without dead ends: 200 [2020-12-22 06:54:49,417 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 06:54:49,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-12-22 06:54:49,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2020-12-22 06:54:49,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2020-12-22 06:54:49,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 261 transitions. [2020-12-22 06:54:49,439 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 261 transitions. Word has length 36 [2020-12-22 06:54:49,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:49,439 INFO L481 AbstractCegarLoop]: Abstraction has 200 states and 261 transitions. [2020-12-22 06:54:49,439 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:49,440 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 261 transitions. [2020-12-22 06:54:49,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-22 06:54:49,440 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:49,440 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, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:49,441 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:54:49,441 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:49,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:49,441 INFO L82 PathProgramCache]: Analyzing trace with hash -1855499608, now seen corresponding path program 1 times [2020-12-22 06:54:49,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:49,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471251983] [2020-12-22 06:54:49,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:49,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:49,499 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 06:54:49,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471251983] [2020-12-22 06:54:49,499 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:49,499 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:54:49,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536691701] [2020-12-22 06:54:49,500 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:54:49,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:49,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:54:49,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:54:49,501 INFO L87 Difference]: Start difference. First operand 200 states and 261 transitions. Second operand 6 states. [2020-12-22 06:54:49,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:49,789 INFO L93 Difference]: Finished difference Result 669 states and 871 transitions. [2020-12-22 06:54:49,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 06:54:49,790 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2020-12-22 06:54:49,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:49,793 INFO L225 Difference]: With dead ends: 669 [2020-12-22 06:54:49,793 INFO L226 Difference]: Without dead ends: 476 [2020-12-22 06:54:49,794 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-12-22 06:54:49,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2020-12-22 06:54:49,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 200. [2020-12-22 06:54:49,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2020-12-22 06:54:49,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 256 transitions. [2020-12-22 06:54:49,817 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 256 transitions. Word has length 37 [2020-12-22 06:54:49,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:49,818 INFO L481 AbstractCegarLoop]: Abstraction has 200 states and 256 transitions. [2020-12-22 06:54:49,818 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:54:49,818 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 256 transitions. [2020-12-22 06:54:49,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-22 06:54:49,819 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:49,819 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:49,819 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 06:54:49,819 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:49,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:49,820 INFO L82 PathProgramCache]: Analyzing trace with hash -1441402284, now seen corresponding path program 1 times [2020-12-22 06:54:49,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:49,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430768307] [2020-12-22 06:54:49,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:49,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:49,893 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 06:54:49,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430768307] [2020-12-22 06:54:49,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:49,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:54:49,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948036565] [2020-12-22 06:54:49,895 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:54:49,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:49,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:54:49,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:54:49,896 INFO L87 Difference]: Start difference. First operand 200 states and 256 transitions. Second operand 6 states. [2020-12-22 06:54:50,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:50,125 INFO L93 Difference]: Finished difference Result 499 states and 642 transitions. [2020-12-22 06:54:50,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 06:54:50,126 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2020-12-22 06:54:50,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:50,126 INFO L225 Difference]: With dead ends: 499 [2020-12-22 06:54:50,126 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:54:50,127 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-12-22 06:54:50,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:54:50,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:54:50,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:54:50,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:54:50,128 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2020-12-22 06:54:50,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:50,129 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:54:50,129 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:54:50,129 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:54:50,129 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:54:50,129 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 06:54:50,131 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:54:50,257 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 65 [2020-12-22 06:54:50,437 WARN L197 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 75 [2020-12-22 06:54:50,652 WARN L197 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 87 [2020-12-22 06:54:50,814 WARN L197 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 93 [2020-12-22 06:54:51,111 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 92 [2020-12-22 06:54:51,280 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 85 [2020-12-22 06:54:51,540 WARN L197 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 25 [2020-12-22 06:54:51,835 WARN L197 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 22 [2020-12-22 06:54:52,400 WARN L197 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 19 [2020-12-22 06:54:52,956 WARN L197 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 17 [2020-12-22 06:54:53,236 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 21 [2020-12-22 06:54:53,476 WARN L197 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 23 [2020-12-22 06:54:53,766 WARN L197 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 25 [2020-12-22 06:54:54,269 WARN L197 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 17 [2020-12-22 06:54:54,898 WARN L197 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 18 [2020-12-22 06:54:54,994 INFO L185 CegarLoopUtils]: At program point L927(lines 922 929) the Hoare annotation is: (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0)) [2020-12-22 06:54:54,994 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 412) no Hoare annotation was computed. [2020-12-22 06:54:54,994 INFO L189 CegarLoopUtils]: For program point L433(lines 433 437) no Hoare annotation was computed. [2020-12-22 06:54:54,994 INFO L189 CegarLoopUtils]: For program point L433-1(lines 538 544) no Hoare annotation was computed. [2020-12-22 06:54:54,994 INFO L189 CegarLoopUtils]: For program point L632(lines 632 638) no Hoare annotation was computed. [2020-12-22 06:54:54,995 INFO L189 CegarLoopUtils]: For program point L632-2(lines 632 638) no Hoare annotation was computed. [2020-12-22 06:54:54,995 INFO L189 CegarLoopUtils]: For program point L632-4(lines 632 638) no Hoare annotation was computed. [2020-12-22 06:54:54,995 INFO L189 CegarLoopUtils]: For program point L632-6(lines 632 638) no Hoare annotation was computed. [2020-12-22 06:54:54,995 INFO L189 CegarLoopUtils]: For program point L632-8(lines 632 638) no Hoare annotation was computed. [2020-12-22 06:54:54,995 INFO L189 CegarLoopUtils]: For program point L632-10(lines 632 638) no Hoare annotation was computed. [2020-12-22 06:54:54,995 INFO L189 CegarLoopUtils]: For program point L798(lines 798 802) no Hoare annotation was computed. [2020-12-22 06:54:54,995 INFO L189 CegarLoopUtils]: For program point L798-3(lines 798 802) no Hoare annotation was computed. [2020-12-22 06:54:54,996 INFO L185 CegarLoopUtils]: At program point L666(lines 661 669) the Hoare annotation is: (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0)) [2020-12-22 06:54:54,996 INFO L185 CegarLoopUtils]: At program point L666-1(lines 661 669) the Hoare annotation is: false [2020-12-22 06:54:54,996 INFO L189 CegarLoopUtils]: For program point L600(lines 600 608) no Hoare annotation was computed. [2020-12-22 06:54:54,996 INFO L189 CegarLoopUtils]: For program point L798-6(lines 798 802) no Hoare annotation was computed. [2020-12-22 06:54:54,996 INFO L185 CegarLoopUtils]: At program point L666-2(lines 661 669) the Hoare annotation is: false [2020-12-22 06:54:54,996 INFO L189 CegarLoopUtils]: For program point L600-1(lines 600 608) no Hoare annotation was computed. [2020-12-22 06:54:54,997 INFO L189 CegarLoopUtils]: For program point L600-2(lines 600 608) no Hoare annotation was computed. [2020-12-22 06:54:54,997 INFO L189 CegarLoopUtils]: For program point L766(lines 766 777) no Hoare annotation was computed. [2020-12-22 06:54:54,997 INFO L189 CegarLoopUtils]: For program point L570(lines 570 587) no Hoare annotation was computed. [2020-12-22 06:54:54,997 INFO L189 CegarLoopUtils]: For program point L570-1(lines 570 587) no Hoare annotation was computed. [2020-12-22 06:54:54,997 INFO L189 CegarLoopUtils]: For program point L570-2(lines 570 587) no Hoare annotation was computed. [2020-12-22 06:54:54,997 INFO L189 CegarLoopUtils]: For program point L570-3(lines 570 587) no Hoare annotation was computed. [2020-12-22 06:54:54,997 INFO L189 CegarLoopUtils]: For program point L570-4(lines 570 587) no Hoare annotation was computed. [2020-12-22 06:54:54,998 INFO L189 CegarLoopUtils]: For program point L570-5(lines 570 587) no Hoare annotation was computed. [2020-12-22 06:54:54,998 INFO L185 CegarLoopUtils]: At program point L835(lines 830 838) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~3 ~systemActive~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2 .cse3) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3))) [2020-12-22 06:54:54,998 INFO L185 CegarLoopUtils]: At program point L835-1(lines 830 838) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0)) [2020-12-22 06:54:54,998 INFO L185 CegarLoopUtils]: At program point L835-2(lines 830 838) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ULTIMATE.start_main_~tmp~3 ~systemActive~0))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2 .cse3 .cse4))) [2020-12-22 06:54:54,999 INFO L185 CegarLoopUtils]: At program point L835-3(lines 830 838) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~3 ~systemActive~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2 .cse3) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3))) [2020-12-22 06:54:54,999 INFO L185 CegarLoopUtils]: At program point L835-4(lines 830 838) the Hoare annotation is: false [2020-12-22 06:54:54,999 INFO L185 CegarLoopUtils]: At program point L835-5(lines 830 838) the Hoare annotation is: false [2020-12-22 06:54:54,999 INFO L185 CegarLoopUtils]: At program point L835-6(lines 830 838) the Hoare annotation is: false [2020-12-22 06:54:54,999 INFO L185 CegarLoopUtils]: At program point L835-7(lines 830 838) the Hoare annotation is: false [2020-12-22 06:54:54,999 INFO L185 CegarLoopUtils]: At program point L835-8(lines 830 838) the Hoare annotation is: false [2020-12-22 06:54:55,000 INFO L185 CegarLoopUtils]: At program point L538(lines 537 556) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~3 ~systemActive~0))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3))) [2020-12-22 06:54:55,000 INFO L185 CegarLoopUtils]: At program point L835-9(lines 830 838) the Hoare annotation is: false [2020-12-22 06:54:55,000 INFO L189 CegarLoopUtils]: For program point L538-1(lines 538 544) no Hoare annotation was computed. [2020-12-22 06:54:55,000 INFO L185 CegarLoopUtils]: At program point L835-10(lines 830 838) the Hoare annotation is: false [2020-12-22 06:54:55,000 INFO L185 CegarLoopUtils]: At program point L538-2(lines 537 556) the Hoare annotation is: false [2020-12-22 06:54:55,000 INFO L185 CegarLoopUtils]: At program point L835-11(lines 830 838) the Hoare annotation is: false [2020-12-22 06:54:55,001 INFO L185 CegarLoopUtils]: At program point L538-3(lines 537 556) the Hoare annotation is: false [2020-12-22 06:54:55,001 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 412) no Hoare annotation was computed. [2020-12-22 06:54:55,001 INFO L189 CegarLoopUtils]: For program point L737(lines 736 781) no Hoare annotation was computed. [2020-12-22 06:54:55,001 INFO L189 CegarLoopUtils]: For program point L738(lines 738 742) no Hoare annotation was computed. [2020-12-22 06:54:55,001 INFO L189 CegarLoopUtils]: For program point L772(lines 772 776) no Hoare annotation was computed. [2020-12-22 06:54:55,001 INFO L189 CegarLoopUtils]: For program point L772-2(lines 538 544) no Hoare annotation was computed. [2020-12-22 06:54:55,001 INFO L189 CegarLoopUtils]: For program point L574(lines 574 582) no Hoare annotation was computed. [2020-12-22 06:54:55,002 INFO L189 CegarLoopUtils]: For program point L574-1(lines 574 582) no Hoare annotation was computed. [2020-12-22 06:54:55,002 INFO L189 CegarLoopUtils]: For program point L574-2(lines 574 582) no Hoare annotation was computed. [2020-12-22 06:54:55,002 INFO L189 CegarLoopUtils]: For program point L574-3(lines 574 582) no Hoare annotation was computed. [2020-12-22 06:54:55,002 INFO L189 CegarLoopUtils]: For program point L574-4(lines 574 582) no Hoare annotation was computed. [2020-12-22 06:54:55,002 INFO L189 CegarLoopUtils]: For program point L574-5(lines 574 582) no Hoare annotation was computed. [2020-12-22 06:54:55,002 INFO L189 CegarLoopUtils]: For program point L938(lines 938 955) no Hoare annotation was computed. [2020-12-22 06:54:55,002 INFO L185 CegarLoopUtils]: At program point L938-1(lines 1 958) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ULTIMATE.start_main_~tmp~3 ~systemActive~0))) (or (and (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 0) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3 .cse4) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse5 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse5 .cse3 .cse4))) [2020-12-22 06:54:55,003 INFO L189 CegarLoopUtils]: For program point L938-2(lines 938 955) no Hoare annotation was computed. [2020-12-22 06:54:55,003 INFO L185 CegarLoopUtils]: At program point L938-3(lines 1 958) the Hoare annotation is: false [2020-12-22 06:54:55,003 INFO L189 CegarLoopUtils]: For program point L938-4(lines 938 955) no Hoare annotation was computed. [2020-12-22 06:54:55,003 INFO L185 CegarLoopUtils]: At program point L938-5(lines 1 958) the Hoare annotation is: false [2020-12-22 06:54:55,003 INFO L189 CegarLoopUtils]: For program point L509(lines 509 516) no Hoare annotation was computed. [2020-12-22 06:54:55,003 INFO L192 CegarLoopUtils]: At program point L509-1(lines 509 516) the Hoare annotation is: true [2020-12-22 06:54:55,003 INFO L189 CegarLoopUtils]: For program point L412(line 412) no Hoare annotation was computed. [2020-12-22 06:54:55,004 INFO L189 CegarLoopUtils]: For program point L412-1(line 412) no Hoare annotation was computed. [2020-12-22 06:54:55,004 INFO L189 CegarLoopUtils]: For program point L412-2(line 412) no Hoare annotation was computed. [2020-12-22 06:54:55,004 INFO L185 CegarLoopUtils]: At program point L908(lines 1 958) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:54:55,004 INFO L189 CegarLoopUtils]: For program point L875(lines 875 881) no Hoare annotation was computed. [2020-12-22 06:54:55,004 INFO L189 CegarLoopUtils]: For program point L875-1(lines 875 881) no Hoare annotation was computed. [2020-12-22 06:54:55,004 INFO L189 CegarLoopUtils]: For program point L875-2(lines 875 881) no Hoare annotation was computed. [2020-12-22 06:54:55,004 INFO L189 CegarLoopUtils]: For program point L875-3(lines 875 881) no Hoare annotation was computed. [2020-12-22 06:54:55,004 INFO L189 CegarLoopUtils]: For program point L875-4(lines 875 881) no Hoare annotation was computed. [2020-12-22 06:54:55,005 INFO L189 CegarLoopUtils]: For program point L875-5(lines 875 881) no Hoare annotation was computed. [2020-12-22 06:54:55,005 INFO L185 CegarLoopUtils]: At program point L545(lines 545 551) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ULTIMATE.start_main_~tmp~3 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3 .cse4) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse5 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse5 .cse3 .cse4))) [2020-12-22 06:54:55,005 INFO L185 CegarLoopUtils]: At program point L545-1(lines 545 551) the Hoare annotation is: false [2020-12-22 06:54:55,005 INFO L185 CegarLoopUtils]: At program point L545-2(lines 545 551) the Hoare annotation is: false [2020-12-22 06:54:55,005 INFO L189 CegarLoopUtils]: For program point L942(lines 942 952) no Hoare annotation was computed. [2020-12-22 06:54:55,005 INFO L189 CegarLoopUtils]: For program point L942-2(lines 942 952) no Hoare annotation was computed. [2020-12-22 06:54:55,006 INFO L189 CegarLoopUtils]: For program point L810(lines 810 814) no Hoare annotation was computed. [2020-12-22 06:54:55,006 INFO L189 CegarLoopUtils]: For program point L942-4(lines 942 952) no Hoare annotation was computed. [2020-12-22 06:54:55,006 INFO L185 CegarLoopUtils]: At program point L480(lines 476 482) the Hoare annotation is: (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0)) [2020-12-22 06:54:55,006 INFO L189 CegarLoopUtils]: For program point L943(lines 943 949) no Hoare annotation was computed. [2020-12-22 06:54:55,006 INFO L189 CegarLoopUtils]: For program point L943-2(lines 943 949) no Hoare annotation was computed. [2020-12-22 06:54:55,006 INFO L189 CegarLoopUtils]: For program point L943-4(lines 943 949) no Hoare annotation was computed. [2020-12-22 06:54:55,006 INFO L189 CegarLoopUtils]: For program point L746(lines 746 752) no Hoare annotation was computed. [2020-12-22 06:54:55,007 INFO L185 CegarLoopUtils]: At program point L746-1(lines 746 752) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ULTIMATE.start_main_~tmp~3 ~systemActive~0))) (or (and (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 0) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3 .cse4) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse5 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse5 .cse3 .cse4))) [2020-12-22 06:54:55,007 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:54:55,007 INFO L185 CegarLoopUtils]: At program point L880(lines 871 884) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0)) [2020-12-22 06:54:55,007 INFO L185 CegarLoopUtils]: At program point L880-1(lines 871 884) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ULTIMATE.start_main_~tmp~3 ~systemActive~0))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4))) [2020-12-22 06:54:55,007 INFO L185 CegarLoopUtils]: At program point L880-2(lines 871 884) the Hoare annotation is: false [2020-12-22 06:54:55,007 INFO L185 CegarLoopUtils]: At program point L880-3(lines 871 884) the Hoare annotation is: false [2020-12-22 06:54:55,008 INFO L185 CegarLoopUtils]: At program point L880-4(lines 871 884) the Hoare annotation is: false [2020-12-22 06:54:55,008 INFO L189 CegarLoopUtils]: For program point L715(lines 715 719) no Hoare annotation was computed. [2020-12-22 06:54:55,008 INFO L185 CegarLoopUtils]: At program point L880-5(lines 871 884) the Hoare annotation is: false [2020-12-22 06:54:55,008 INFO L189 CegarLoopUtils]: For program point L715-2(lines 715 719) no Hoare annotation was computed. [2020-12-22 06:54:55,008 INFO L189 CegarLoopUtils]: For program point L715-3(lines 715 719) no Hoare annotation was computed. [2020-12-22 06:54:55,008 INFO L189 CegarLoopUtils]: For program point L715-5(lines 715 719) no Hoare annotation was computed. [2020-12-22 06:54:55,008 INFO L189 CegarLoopUtils]: For program point L715-6(lines 715 719) no Hoare annotation was computed. [2020-12-22 06:54:55,008 INFO L189 CegarLoopUtils]: For program point L715-8(lines 715 719) no Hoare annotation was computed. [2020-12-22 06:54:55,009 INFO L189 CegarLoopUtils]: For program point L715-9(lines 715 719) no Hoare annotation was computed. [2020-12-22 06:54:55,009 INFO L189 CegarLoopUtils]: For program point L715-11(lines 715 719) no Hoare annotation was computed. [2020-12-22 06:54:55,009 INFO L189 CegarLoopUtils]: For program point L715-12(lines 715 719) no Hoare annotation was computed. [2020-12-22 06:54:55,009 INFO L189 CegarLoopUtils]: For program point L715-14(lines 715 719) no Hoare annotation was computed. [2020-12-22 06:54:55,009 INFO L189 CegarLoopUtils]: For program point L715-15(lines 715 719) no Hoare annotation was computed. [2020-12-22 06:54:55,009 INFO L189 CegarLoopUtils]: For program point L715-17(lines 715 719) no Hoare annotation was computed. [2020-12-22 06:54:55,009 INFO L185 CegarLoopUtils]: At program point L782(lines 735 783) the Hoare annotation is: false [2020-12-22 06:54:55,009 INFO L192 CegarLoopUtils]: At program point L518(lines 499 521) the Hoare annotation is: true [2020-12-22 06:54:55,010 INFO L185 CegarLoopUtils]: At program point L916(lines 911 919) the Hoare annotation is: (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:54:55,010 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:54:55,010 INFO L185 CegarLoopUtils]: At program point L721(lines 706 724) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0)) [2020-12-22 06:54:55,010 INFO L185 CegarLoopUtils]: At program point L721-1(lines 706 724) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ULTIMATE.start_main_~tmp~3 ~systemActive~0))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4))) [2020-12-22 06:54:55,010 INFO L185 CegarLoopUtils]: At program point L721-2(lines 706 724) the Hoare annotation is: false [2020-12-22 06:54:55,011 INFO L185 CegarLoopUtils]: At program point L721-3(lines 706 724) the Hoare annotation is: false [2020-12-22 06:54:55,011 INFO L185 CegarLoopUtils]: At program point L721-4(lines 706 724) the Hoare annotation is: false [2020-12-22 06:54:55,011 INFO L185 CegarLoopUtils]: At program point L721-5(lines 706 724) the Hoare annotation is: false [2020-12-22 06:54:55,011 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:54:55,011 INFO L189 CegarLoopUtils]: For program point L822(lines 822 826) no Hoare annotation was computed. [2020-12-22 06:54:55,011 INFO L189 CegarLoopUtils]: For program point L756(lines 756 762) no Hoare annotation was computed. [2020-12-22 06:54:55,011 INFO L185 CegarLoopUtils]: At program point L756-1(lines 756 762) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~3 ~systemActive~0))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3))) [2020-12-22 06:54:55,012 INFO L185 CegarLoopUtils]: At program point L657(lines 650 660) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~3 ~systemActive~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2 .cse3) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) .cse2 .cse3))) [2020-12-22 06:54:55,012 INFO L185 CegarLoopUtils]: At program point L657-1(lines 650 660) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0)) [2020-12-22 06:54:55,012 INFO L185 CegarLoopUtils]: At program point L657-2(lines 650 660) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ULTIMATE.start_main_~tmp~3 ~systemActive~0))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2 .cse3 .cse4))) [2020-12-22 06:54:55,012 INFO L185 CegarLoopUtils]: At program point L657-3(lines 650 660) the Hoare annotation is: false [2020-12-22 06:54:55,012 INFO L185 CegarLoopUtils]: At program point L657-4(lines 650 660) the Hoare annotation is: false [2020-12-22 06:54:55,013 INFO L185 CegarLoopUtils]: At program point L657-5(lines 650 660) the Hoare annotation is: false [2020-12-22 06:54:55,013 INFO L185 CegarLoopUtils]: At program point L657-6(lines 650 660) the Hoare annotation is: false [2020-12-22 06:54:55,013 INFO L185 CegarLoopUtils]: At program point L657-7(lines 650 660) the Hoare annotation is: false [2020-12-22 06:54:55,013 INFO L185 CegarLoopUtils]: At program point L657-8(lines 650 660) the Hoare annotation is: false [2020-12-22 06:54:55,013 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:54:55,013 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 412) no Hoare annotation was computed. [2020-12-22 06:54:55,013 INFO L185 CegarLoopUtils]: At program point L429-2(lines 429 443) the Hoare annotation is: false [2020-12-22 06:54:55,013 INFO L189 CegarLoopUtils]: For program point L430(line 430) no Hoare annotation was computed. [2020-12-22 06:54:55,014 INFO L189 CegarLoopUtils]: For program point L596(lines 596 613) no Hoare annotation was computed. [2020-12-22 06:54:55,014 INFO L189 CegarLoopUtils]: For program point L596-1(lines 596 613) no Hoare annotation was computed. [2020-12-22 06:54:55,014 INFO L189 CegarLoopUtils]: For program point L596-2(lines 596 613) no Hoare annotation was computed. [2020-12-22 06:54:55,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:54:55 BoogieIcfgContainer [2020-12-22 06:54:55,068 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:54:55,071 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:54:55,072 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:54:55,072 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:54:55,072 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:46" (3/4) ... [2020-12-22 06:54:55,076 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:54:55,110 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:54:55,112 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:54:55,113 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:54:55,115 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:54:55,116 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:54:55,117 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:54:55,119 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:54:55,155 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && \result == systemActive) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 [2020-12-22 06:54:55,156 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && \result == systemActive) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive [2020-12-22 06:54:55,156 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && \result == systemActive) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive [2020-12-22 06:54:55,157 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 0 && \result == systemActive) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && tmp == systemActive) || ((((((\result == 1 && methaneLevelCritical == 1) && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive)) || (((((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) [2020-12-22 06:54:55,158 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 0 && \result == systemActive) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && tmp == systemActive) || ((((((\result == 1 && methaneLevelCritical == 1) && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive)) || (((((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) [2020-12-22 06:54:55,159 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((methaneLevelCritical == 1 && \result == systemActive) && 1 == systemActive) && splverifierCounter == 0) && tmp == systemActive) || ((((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && tmp == systemActive) [2020-12-22 06:54:55,160 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((methaneLevelCritical == 1 && \result == systemActive) && 1 == systemActive) && splverifierCounter == 0) && tmp == systemActive) || ((((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && tmp == systemActive) [2020-12-22 06:54:55,161 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && tmp == systemActive) || (((((methaneLevelCritical == 1 && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive)) || (((((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) [2020-12-22 06:54:55,163 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && tmp == systemActive) || ((((((\result == 1 && methaneLevelCritical == 1) && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) [2020-12-22 06:54:55,164 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && tmp == systemActive) || (((((\result == 1 && methaneLevelCritical == 1) && \result == systemActive) && 1 == systemActive) && splverifierCounter == 0) && tmp == systemActive) [2020-12-22 06:54:55,164 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && tmp == systemActive) || ((((((\result == 1 && methaneLevelCritical == 1) && \result == systemActive) && 1 == systemActive) && \result == 1) && splverifierCounter == 0) && tmp == systemActive) [2020-12-22 06:54:55,168 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methaneLevelCritical == 1 && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) || (((((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) [2020-12-22 06:54:55,169 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && methaneLevelCritical == 1) && \result == systemActive) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-12-22 06:54:55,172 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methaneLevelCritical == 1 && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) || (((((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) [2020-12-22 06:54:55,176 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-12-22 06:54:55,176 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && methaneLevelCritical == 1) && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) || ((((((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) [2020-12-22 06:54:55,176 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-12-22 06:54:55,176 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && methaneLevelCritical == 1) && \result == systemActive) && 1 == systemActive) && \result == 1) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) || ((((((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) [2020-12-22 06:54:55,177 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-12-22 06:54:55,177 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-12-22 06:54:55,293 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec2_product45.cil.c-witness.graphml [2020-12-22 06:54:55,293 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:54:55,295 INFO L168 Benchmark]: Toolchain (without parser) took 10444.24 ms. Allocated memory was 156.2 MB in the beginning and 245.4 MB in the end (delta: 89.1 MB). Free memory was 130.9 MB in the beginning and 211.8 MB in the end (delta: -80.9 MB). Peak memory consumption was 9.6 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:55,295 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 156.2 MB. Free memory is still 137.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:54:55,296 INFO L168 Benchmark]: CACSL2BoogieTranslator took 622.22 ms. Allocated memory is still 156.2 MB. Free memory was 130.7 MB in the beginning and 109.8 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:55,296 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.63 ms. Allocated memory is still 156.2 MB. Free memory was 109.8 MB in the beginning and 105.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:55,297 INFO L168 Benchmark]: Boogie Preprocessor took 99.32 ms. Allocated memory is still 156.2 MB. Free memory was 105.6 MB in the beginning and 102.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:55,297 INFO L168 Benchmark]: RCFGBuilder took 1199.00 ms. Allocated memory is still 156.2 MB. Free memory was 102.6 MB in the beginning and 116.1 MB in the end (delta: -13.5 MB). Peak memory consumption was 53.9 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:55,297 INFO L168 Benchmark]: TraceAbstraction took 8197.94 ms. Allocated memory was 156.2 MB in the beginning and 245.4 MB in the end (delta: 89.1 MB). Free memory was 115.6 MB in the beginning and 223.9 MB in the end (delta: -108.3 MB). Peak memory consumption was 127.4 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:55,298 INFO L168 Benchmark]: Witness Printer took 222.20 ms. Allocated memory is still 245.4 MB. Free memory was 223.9 MB in the beginning and 211.8 MB in the end (delta: 12.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:55,300 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 156.2 MB. Free memory is still 137.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 622.22 ms. Allocated memory is still 156.2 MB. Free memory was 130.7 MB in the beginning and 109.8 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 89.63 ms. Allocated memory is still 156.2 MB. Free memory was 109.8 MB in the beginning and 105.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 99.32 ms. Allocated memory is still 156.2 MB. Free memory was 105.6 MB in the beginning and 102.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1199.00 ms. Allocated memory is still 156.2 MB. Free memory was 102.6 MB in the beginning and 116.1 MB in the end (delta: -13.5 MB). Peak memory consumption was 53.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 8197.94 ms. Allocated memory was 156.2 MB in the beginning and 245.4 MB in the end (delta: 89.1 MB). Free memory was 115.6 MB in the beginning and 223.9 MB in the end (delta: -108.3 MB). Peak memory consumption was 127.4 MB. Max. memory is 8.0 GB. * Witness Printer took 222.20 ms. Allocated memory is still 245.4 MB. Free memory was 223.9 MB in the beginning and 211.8 MB in the end (delta: 12.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 412]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 412]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 412]: 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: 735]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: (((((((tmp == 0 && \result == systemActive) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && tmp == systemActive) || ((((((\result == 1 && methaneLevelCritical == 1) && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive)) || (((((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) - InvariantResult [Line: 661]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 661]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: ((((((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && tmp == systemActive) || (((((methaneLevelCritical == 1 && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive)) || (((((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: (((((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 1 && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) || (((((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: ((((methaneLevelCritical == 1 && \result == systemActive) && 1 == systemActive) && splverifierCounter == 0) && tmp == systemActive) || ((((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && tmp == systemActive) - InvariantResult [Line: 661]: Loop Invariant Derived loop invariant: ((((((\result == 1 && methaneLevelCritical == 1) && \result == systemActive) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: (((((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && tmp == systemActive) || (((((\result == 1 && methaneLevelCritical == 1) && \result == systemActive) && 1 == systemActive) && splverifierCounter == 0) && tmp == systemActive) - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: (((((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: ((((((\result == 1 && methaneLevelCritical == 1) && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) || ((((((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) - InvariantResult [Line: 429]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 476]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && \result == systemActive) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: (((((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && tmp == systemActive) || ((((((\result == 1 && methaneLevelCritical == 1) && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && \result == systemActive) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((tmp == 0 && \result == systemActive) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && tmp == systemActive) || ((((((\result == 1 && methaneLevelCritical == 1) && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive)) || (((((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && \result == systemActive) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: ((((methaneLevelCritical == 1 && \result == systemActive) && 1 == systemActive) && splverifierCounter == 0) && tmp == systemActive) || ((((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && tmp == systemActive) - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: (((((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && tmp == systemActive) || ((((((\result == 1 && methaneLevelCritical == 1) && \result == systemActive) && 1 == systemActive) && \result == 1) && splverifierCounter == 0) && tmp == systemActive) - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: (((((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: (((((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 1 && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) || (((((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: (((((((\result == 1 && methaneLevelCritical == 1) && \result == systemActive) && 1 == systemActive) && \result == 1) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) || ((((((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 133 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.1s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1241 SDtfs, 1697 SDslu, 2090 SDs, 0 SdLazy, 346 SolverSat, 64 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 83 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=200occurred 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: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 823 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 185 NumberOfFragments, 760 HoareAnnotationTreeSize, 55 FomulaSimplifications, 403186 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 55 FomulaSimplificationsInter, 52665 FormulaSimplificationTreeSizeReductionInter, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 349 NumberOfCodeBlocks, 349 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 338 ConstructedInterpolants, 0 QuantifiedInterpolants, 20866 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 14/14 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...