/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_spec5_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:57:46,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:57:46,512 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:57:46,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:57:46,551 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:57:46,552 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:57:46,554 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:57:46,557 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:57:46,559 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:57:46,560 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:57:46,562 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:57:46,563 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:57:46,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:57:46,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:57:46,567 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:57:46,568 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:57:46,569 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:57:46,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:57:46,573 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:57:46,576 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:57:46,578 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:57:46,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:57:46,585 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:57:46,598 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:57:46,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:57:46,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:57:46,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:57:46,619 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:57:46,620 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:57:46,625 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:57:46,625 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:57:46,626 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:57:46,627 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:57:46,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:57:46,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:57:46,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:57:46,632 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:57:46,693 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:57:46,693 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:57:46,699 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:57:46,699 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:57:46,699 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:57:46,700 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:57:46,700 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:57:46,700 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:57:46,700 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:57:46,701 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:57:46,702 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:57:46,702 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:57:46,702 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:57:46,703 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:57:46,703 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:57:46,703 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:57:46,704 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:57:46,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:57:46,704 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:57:46,704 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:57:46,705 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:57:46,705 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:57:46,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:57:46,705 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:57:46,705 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:57:46,706 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:57:47,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:57:47,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:57:47,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:57:47,207 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:57:47,208 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:57:47,209 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c [2020-12-22 06:57:47,305 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a74261b7b/8ac34fb2b09c45a48d92f4d5bad456bd/FLAGb692c7c11 [2020-12-22 06:57:48,026 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:57:48,027 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c [2020-12-22 06:57:48,052 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a74261b7b/8ac34fb2b09c45a48d92f4d5bad456bd/FLAGb692c7c11 [2020-12-22 06:57:48,313 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a74261b7b/8ac34fb2b09c45a48d92f4d5bad456bd [2020-12-22 06:57:48,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:57:48,319 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:57:48,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:57:48,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:57:48,326 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:57:48,327 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:57:48" (1/1) ... [2020-12-22 06:57:48,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f541eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:48, skipping insertion in model container [2020-12-22 06:57:48,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:57:48" (1/1) ... [2020-12-22 06:57:48,344 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:57:48,425 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:57:48,654 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_spec5_product47.cil.c[1281,1294] [2020-12-22 06:57:48,869 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:57:48,881 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:57:48,897 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_spec5_product47.cil.c[1281,1294] [2020-12-22 06:57:48,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:57:49,011 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:57:49,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:49 WrapperNode [2020-12-22 06:57:49,012 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:57:49,014 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:57:49,014 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:57:49,014 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:57:49,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:49" (1/1) ... [2020-12-22 06:57:49,043 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:49" (1/1) ... [2020-12-22 06:57:49,166 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:57:49,167 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:57:49,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:57:49,168 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:57:49,181 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:49" (1/1) ... [2020-12-22 06:57:49,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:49" (1/1) ... [2020-12-22 06:57:49,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:49" (1/1) ... [2020-12-22 06:57:49,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:49" (1/1) ... [2020-12-22 06:57:49,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:49" (1/1) ... [2020-12-22 06:57:49,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:49" (1/1) ... [2020-12-22 06:57:49,265 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:49" (1/1) ... [2020-12-22 06:57:49,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:57:49,275 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:57:49,275 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:57:49,276 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:57:49,277 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:49" (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 06:57:49,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:57:49,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:57:49,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:57:49,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:57:50,524 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:57:50,525 INFO L299 CfgBuilder]: Removed 210 assume(true) statements. [2020-12-22 06:57:50,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:50 BoogieIcfgContainer [2020-12-22 06:57:50,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:57:50,529 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:57:50,530 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:57:50,533 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:57:50,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:57:48" (1/3) ... [2020-12-22 06:57:50,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fdbeb13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:57:50, skipping insertion in model container [2020-12-22 06:57:50,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:49" (2/3) ... [2020-12-22 06:57:50,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fdbeb13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:57:50, skipping insertion in model container [2020-12-22 06:57:50,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:50" (3/3) ... [2020-12-22 06:57:50,538 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product47.cil.c [2020-12-22 06:57:50,544 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:57:50,550 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:57:50,571 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:57:50,607 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:57:50,607 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:57:50,607 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:57:50,608 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:57:50,608 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:57:50,608 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:57:50,608 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:57:50,608 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:57:50,629 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states. [2020-12-22 06:57:50,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:57:50,636 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:50,637 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 06:57:50,638 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:50,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:50,644 INFO L82 PathProgramCache]: Analyzing trace with hash -373537608, now seen corresponding path program 1 times [2020-12-22 06:57:50,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:50,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8862845] [2020-12-22 06:57:50,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:50,984 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 06:57:50,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8862845] [2020-12-22 06:57:50,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:50,986 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:50,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674864691] [2020-12-22 06:57:50,993 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:57:50,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:51,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:57:51,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:57:51,011 INFO L87 Difference]: Start difference. First operand 140 states. Second operand 2 states. [2020-12-22 06:57:51,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:51,051 INFO L93 Difference]: Finished difference Result 273 states and 406 transitions. [2020-12-22 06:57:51,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:57:51,053 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-12-22 06:57:51,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:51,066 INFO L225 Difference]: With dead ends: 273 [2020-12-22 06:57:51,066 INFO L226 Difference]: Without dead ends: 136 [2020-12-22 06:57:51,070 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 06:57:51,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-12-22 06:57:51,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2020-12-22 06:57:51,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-12-22 06:57:51,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 195 transitions. [2020-12-22 06:57:51,131 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 195 transitions. Word has length 19 [2020-12-22 06:57:51,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:51,131 INFO L481 AbstractCegarLoop]: Abstraction has 136 states and 195 transitions. [2020-12-22 06:57:51,132 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:57:51,132 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 195 transitions. [2020-12-22 06:57:51,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-22 06:57:51,133 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:51,133 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] [2020-12-22 06:57:51,133 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:57:51,134 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:51,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:51,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1432481945, now seen corresponding path program 1 times [2020-12-22 06:57:51,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:51,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375385798] [2020-12-22 06:57:51,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:51,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:51,288 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 06:57:51,288 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375385798] [2020-12-22 06:57:51,289 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:51,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:57:51,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83120298] [2020-12-22 06:57:51,291 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:51,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:51,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:51,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:51,292 INFO L87 Difference]: Start difference. First operand 136 states and 195 transitions. Second operand 3 states. [2020-12-22 06:57:51,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:51,308 INFO L93 Difference]: Finished difference Result 136 states and 195 transitions. [2020-12-22 06:57:51,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:51,309 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-12-22 06:57:51,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:51,310 INFO L225 Difference]: With dead ends: 136 [2020-12-22 06:57:51,310 INFO L226 Difference]: Without dead ends: 57 [2020-12-22 06:57:51,312 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 06:57:51,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-12-22 06:57:51,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-12-22 06:57:51,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-12-22 06:57:51,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 81 transitions. [2020-12-22 06:57:51,319 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 81 transitions. Word has length 20 [2020-12-22 06:57:51,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:51,320 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 81 transitions. [2020-12-22 06:57:51,320 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:51,320 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 81 transitions. [2020-12-22 06:57:51,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:57:51,321 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:51,321 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 06:57:51,322 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:57:51,322 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:51,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:51,323 INFO L82 PathProgramCache]: Analyzing trace with hash -1277815295, now seen corresponding path program 1 times [2020-12-22 06:57:51,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:51,323 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746928020] [2020-12-22 06:57:51,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:51,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:51,495 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 06:57:51,496 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746928020] [2020-12-22 06:57:51,496 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:51,496 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:51,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595009566] [2020-12-22 06:57:51,497 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:57:51,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:51,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:57:51,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:57:51,499 INFO L87 Difference]: Start difference. First operand 57 states and 81 transitions. Second operand 6 states. [2020-12-22 06:57:51,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:51,747 INFO L93 Difference]: Finished difference Result 183 states and 267 transitions. [2020-12-22 06:57:51,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:57:51,748 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-12-22 06:57:51,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:51,749 INFO L225 Difference]: With dead ends: 183 [2020-12-22 06:57:51,750 INFO L226 Difference]: Without dead ends: 133 [2020-12-22 06:57:51,750 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 06:57:51,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-12-22 06:57:51,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 79. [2020-12-22 06:57:51,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-12-22 06:57:51,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 114 transitions. [2020-12-22 06:57:51,774 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 114 transitions. Word has length 26 [2020-12-22 06:57:51,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:51,775 INFO L481 AbstractCegarLoop]: Abstraction has 79 states and 114 transitions. [2020-12-22 06:57:51,775 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:57:51,775 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 114 transitions. [2020-12-22 06:57:51,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-22 06:57:51,776 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:51,776 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] [2020-12-22 06:57:51,777 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:57:51,777 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:51,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:51,778 INFO L82 PathProgramCache]: Analyzing trace with hash 120130499, now seen corresponding path program 1 times [2020-12-22 06:57:51,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:51,778 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228567226] [2020-12-22 06:57:51,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:51,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:51,850 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 06:57:51,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228567226] [2020-12-22 06:57:51,850 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:51,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:51,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950646214] [2020-12-22 06:57:51,852 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:51,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:51,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:51,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:51,857 INFO L87 Difference]: Start difference. First operand 79 states and 114 transitions. Second operand 3 states. [2020-12-22 06:57:51,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:51,933 INFO L93 Difference]: Finished difference Result 175 states and 255 transitions. [2020-12-22 06:57:51,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:51,933 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-12-22 06:57:51,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:51,936 INFO L225 Difference]: With dead ends: 175 [2020-12-22 06:57:51,936 INFO L226 Difference]: Without dead ends: 103 [2020-12-22 06:57:51,939 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 06:57:51,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-12-22 06:57:51,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 101. [2020-12-22 06:57:51,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-12-22 06:57:51,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 142 transitions. [2020-12-22 06:57:51,971 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 142 transitions. Word has length 28 [2020-12-22 06:57:51,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:51,971 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 142 transitions. [2020-12-22 06:57:51,971 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:51,972 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 142 transitions. [2020-12-22 06:57:51,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-22 06:57:51,973 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:51,973 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] [2020-12-22 06:57:51,974 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:57:51,974 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:51,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:51,978 INFO L82 PathProgramCache]: Analyzing trace with hash -1546294710, now seen corresponding path program 1 times [2020-12-22 06:57:51,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:51,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799190106] [2020-12-22 06:57:51,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:52,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:52,139 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 06:57:52,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799190106] [2020-12-22 06:57:52,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:52,140 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:57:52,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694744841] [2020-12-22 06:57:52,141 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:52,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:52,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:52,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:52,144 INFO L87 Difference]: Start difference. First operand 101 states and 142 transitions. Second operand 5 states. [2020-12-22 06:57:52,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:52,324 INFO L93 Difference]: Finished difference Result 332 states and 468 transitions. [2020-12-22 06:57:52,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:57:52,325 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-12-22 06:57:52,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:52,328 INFO L225 Difference]: With dead ends: 332 [2020-12-22 06:57:52,328 INFO L226 Difference]: Without dead ends: 238 [2020-12-22 06:57:52,329 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 06:57:52,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-12-22 06:57:52,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 99. [2020-12-22 06:57:52,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-12-22 06:57:52,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 136 transitions. [2020-12-22 06:57:52,347 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 136 transitions. Word has length 29 [2020-12-22 06:57:52,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:52,347 INFO L481 AbstractCegarLoop]: Abstraction has 99 states and 136 transitions. [2020-12-22 06:57:52,347 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:52,348 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 136 transitions. [2020-12-22 06:57:52,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-22 06:57:52,349 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:52,349 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 06:57:52,349 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:57:52,350 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:52,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:52,351 INFO L82 PathProgramCache]: Analyzing trace with hash -1771234378, now seen corresponding path program 1 times [2020-12-22 06:57:52,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:52,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875060755] [2020-12-22 06:57:52,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:52,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:52,420 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 06:57:52,421 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875060755] [2020-12-22 06:57:52,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:52,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:52,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90292928] [2020-12-22 06:57:52,422 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:52,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:52,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:52,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:52,424 INFO L87 Difference]: Start difference. First operand 99 states and 136 transitions. Second operand 5 states. [2020-12-22 06:57:52,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:52,493 INFO L93 Difference]: Finished difference Result 284 states and 390 transitions. [2020-12-22 06:57:52,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:57:52,494 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-12-22 06:57:52,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:52,495 INFO L225 Difference]: With dead ends: 284 [2020-12-22 06:57:52,495 INFO L226 Difference]: Without dead ends: 192 [2020-12-22 06:57:52,496 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 06:57:52,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2020-12-22 06:57:52,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 105. [2020-12-22 06:57:52,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-12-22 06:57:52,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 142 transitions. [2020-12-22 06:57:52,510 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 142 transitions. Word has length 37 [2020-12-22 06:57:52,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:52,510 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 142 transitions. [2020-12-22 06:57:52,511 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:52,511 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 142 transitions. [2020-12-22 06:57:52,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-22 06:57:52,512 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:52,512 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 06:57:52,513 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:57:52,513 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:52,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:52,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1512615668, now seen corresponding path program 1 times [2020-12-22 06:57:52,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:52,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766479714] [2020-12-22 06:57:52,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:52,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:52,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:52,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766479714] [2020-12-22 06:57:52,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:52,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:57:52,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991706607] [2020-12-22 06:57:52,619 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:57:52,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:52,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:57:52,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:57:52,621 INFO L87 Difference]: Start difference. First operand 105 states and 142 transitions. Second operand 6 states. [2020-12-22 06:57:52,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:52,715 INFO L93 Difference]: Finished difference Result 301 states and 407 transitions. [2020-12-22 06:57:52,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:57:52,716 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2020-12-22 06:57:52,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:52,717 INFO L225 Difference]: With dead ends: 301 [2020-12-22 06:57:52,718 INFO L226 Difference]: Without dead ends: 203 [2020-12-22 06:57:52,720 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-12-22 06:57:52,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2020-12-22 06:57:52,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 109. [2020-12-22 06:57:52,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-12-22 06:57:52,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 146 transitions. [2020-12-22 06:57:52,743 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 146 transitions. Word has length 37 [2020-12-22 06:57:52,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:52,745 INFO L481 AbstractCegarLoop]: Abstraction has 109 states and 146 transitions. [2020-12-22 06:57:52,745 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:57:52,745 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 146 transitions. [2020-12-22 06:57:52,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-22 06:57:52,750 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:52,750 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 06:57:52,750 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:57:52,751 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:52,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:52,751 INFO L82 PathProgramCache]: Analyzing trace with hash 491547314, now seen corresponding path program 1 times [2020-12-22 06:57:52,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:52,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202845059] [2020-12-22 06:57:52,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:52,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:52,859 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 06:57:52,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202845059] [2020-12-22 06:57:52,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:52,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:52,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547116613] [2020-12-22 06:57:52,861 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:52,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:52,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:52,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:52,863 INFO L87 Difference]: Start difference. First operand 109 states and 146 transitions. Second operand 3 states. [2020-12-22 06:57:52,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:52,899 INFO L93 Difference]: Finished difference Result 261 states and 351 transitions. [2020-12-22 06:57:52,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:52,900 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-12-22 06:57:52,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:52,902 INFO L225 Difference]: With dead ends: 261 [2020-12-22 06:57:52,902 INFO L226 Difference]: Without dead ends: 159 [2020-12-22 06:57:52,902 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 06:57:52,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-12-22 06:57:52,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2020-12-22 06:57:52,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-12-22 06:57:52,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 209 transitions. [2020-12-22 06:57:52,924 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 209 transitions. Word has length 37 [2020-12-22 06:57:52,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:52,925 INFO L481 AbstractCegarLoop]: Abstraction has 159 states and 209 transitions. [2020-12-22 06:57:52,925 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:52,925 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 209 transitions. [2020-12-22 06:57:52,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-22 06:57:52,930 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:52,931 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, 1] [2020-12-22 06:57:52,931 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:57:52,931 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:52,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:52,958 INFO L82 PathProgramCache]: Analyzing trace with hash 2027345266, now seen corresponding path program 1 times [2020-12-22 06:57:52,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:52,959 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787852144] [2020-12-22 06:57:52,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:53,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:53,088 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 06:57:53,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787852144] [2020-12-22 06:57:53,089 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:53,089 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:57:53,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855138262] [2020-12-22 06:57:53,090 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 06:57:53,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:53,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 06:57:53,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:57:53,091 INFO L87 Difference]: Start difference. First operand 159 states and 209 transitions. Second operand 7 states. [2020-12-22 06:57:53,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:53,441 INFO L93 Difference]: Finished difference Result 729 states and 986 transitions. [2020-12-22 06:57:53,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 06:57:53,442 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 38 [2020-12-22 06:57:53,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:53,446 INFO L225 Difference]: With dead ends: 729 [2020-12-22 06:57:53,446 INFO L226 Difference]: Without dead ends: 627 [2020-12-22 06:57:53,447 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-12-22 06:57:53,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2020-12-22 06:57:53,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 259. [2020-12-22 06:57:53,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2020-12-22 06:57:53,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 340 transitions. [2020-12-22 06:57:53,486 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 340 transitions. Word has length 38 [2020-12-22 06:57:53,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:53,486 INFO L481 AbstractCegarLoop]: Abstraction has 259 states and 340 transitions. [2020-12-22 06:57:53,486 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 06:57:53,487 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 340 transitions. [2020-12-22 06:57:53,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-22 06:57:53,487 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:53,488 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:53,488 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:57:53,488 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:53,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:53,489 INFO L82 PathProgramCache]: Analyzing trace with hash 80874501, now seen corresponding path program 1 times [2020-12-22 06:57:53,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:53,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686735285] [2020-12-22 06:57:53,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:53,577 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:53,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686735285] [2020-12-22 06:57:53,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [542554841] [2020-12-22 06:57:53,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:57:53,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:53,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-22 06:57:53,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:57:53,924 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:53,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:57:53,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-12-22 06:57:53,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444996923] [2020-12-22 06:57:53,927 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-22 06:57:53,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:53,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-22 06:57:53,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-12-22 06:57:53,934 INFO L87 Difference]: Start difference. First operand 259 states and 340 transitions. Second operand 10 states. [2020-12-22 06:57:54,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:54,274 INFO L93 Difference]: Finished difference Result 591 states and 787 transitions. [2020-12-22 06:57:54,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:57:54,275 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 59 [2020-12-22 06:57:54,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:54,277 INFO L225 Difference]: With dead ends: 591 [2020-12-22 06:57:54,277 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:57:54,279 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2020-12-22 06:57:54,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:57:54,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:57:54,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:57:54,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:57:54,280 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2020-12-22 06:57:54,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:54,280 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:57:54,280 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-22 06:57:54,281 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:57:54,281 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:57:54,495 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-22 06:57:54,498 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:57:54,705 WARN L197 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 114 [2020-12-22 06:57:54,834 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 104 [2020-12-22 06:57:55,000 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 91 [2020-12-22 06:57:55,196 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 105 [2020-12-22 06:57:55,516 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 105 [2020-12-22 06:57:55,651 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 88 [2020-12-22 06:57:55,783 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 94 [2020-12-22 06:57:56,143 WARN L197 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 31 [2020-12-22 06:57:56,446 WARN L197 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 34 [2020-12-22 06:57:56,624 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 26 [2020-12-22 06:57:56,872 WARN L197 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 30 [2020-12-22 06:57:57,077 WARN L197 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 31 [2020-12-22 06:57:57,393 WARN L197 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 34 [2020-12-22 06:57:57,630 WARN L197 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 33 [2020-12-22 06:57:57,750 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 15 [2020-12-22 06:57:57,888 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 32 [2020-12-22 06:57:58,405 WARN L197 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 34 [2020-12-22 06:57:58,523 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 27 [2020-12-22 06:57:58,681 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 27 [2020-12-22 06:57:58,960 WARN L197 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 39 [2020-12-22 06:57:59,050 INFO L189 CegarLoopUtils]: For program point L167-6(lines 167 173) no Hoare annotation was computed. [2020-12-22 06:57:59,051 INFO L189 CegarLoopUtils]: For program point L167-8(lines 167 173) no Hoare annotation was computed. [2020-12-22 06:57:59,051 INFO L189 CegarLoopUtils]: For program point L167-10(lines 167 173) no Hoare annotation was computed. [2020-12-22 06:57:59,051 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:57:59,051 INFO L185 CegarLoopUtils]: At program point L201(lines 196 204) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_main_~tmp~5 1)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse3 (= ~pumpRunning~0 0) .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5 .cse6))) [2020-12-22 06:57:59,052 INFO L185 CegarLoopUtils]: At program point L201-1(lines 196 204) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~5 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (not (= 0 ~systemActive~0)) .cse0 .cse1 .cse2 .cse3) (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1 .cse2 .cse3))) [2020-12-22 06:57:59,052 INFO L189 CegarLoopUtils]: For program point L135(lines 135 143) no Hoare annotation was computed. [2020-12-22 06:57:59,052 INFO L185 CegarLoopUtils]: At program point L201-2(lines 196 204) the Hoare annotation is: false [2020-12-22 06:57:59,052 INFO L189 CegarLoopUtils]: For program point L135-1(lines 135 143) no Hoare annotation was computed. [2020-12-22 06:57:59,052 INFO L185 CegarLoopUtils]: At program point L201-3(lines 196 204) the Hoare annotation is: false [2020-12-22 06:57:59,053 INFO L185 CegarLoopUtils]: At program point L201-4(lines 196 204) the Hoare annotation is: false [2020-12-22 06:57:59,053 INFO L189 CegarLoopUtils]: For program point L135-2(lines 135 143) no Hoare annotation was computed. [2020-12-22 06:57:59,053 INFO L185 CegarLoopUtils]: At program point L201-5(lines 196 204) the Hoare annotation is: false [2020-12-22 06:57:59,053 INFO L189 CegarLoopUtils]: For program point L928(lines 928 932) no Hoare annotation was computed. [2020-12-22 06:57:59,053 INFO L189 CegarLoopUtils]: For program point L433(lines 433 440) no Hoare annotation was computed. [2020-12-22 06:57:59,053 INFO L192 CegarLoopUtils]: At program point L433-1(lines 433 440) the Hoare annotation is: true [2020-12-22 06:57:59,053 INFO L189 CegarLoopUtils]: For program point L105(lines 105 122) no Hoare annotation was computed. [2020-12-22 06:57:59,054 INFO L189 CegarLoopUtils]: For program point L105-1(lines 105 122) no Hoare annotation was computed. [2020-12-22 06:57:59,054 INFO L189 CegarLoopUtils]: For program point L105-2(lines 105 122) no Hoare annotation was computed. [2020-12-22 06:57:59,054 INFO L189 CegarLoopUtils]: For program point L105-3(lines 105 122) no Hoare annotation was computed. [2020-12-22 06:57:59,054 INFO L189 CegarLoopUtils]: For program point L105-4(lines 105 122) no Hoare annotation was computed. [2020-12-22 06:57:59,054 INFO L189 CegarLoopUtils]: For program point L105-5(lines 105 122) no Hoare annotation was computed. [2020-12-22 06:57:59,054 INFO L185 CegarLoopUtils]: At program point L865(lines 73 79) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~5 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (not (= 0 ~systemActive~0)) .cse0 .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3))) [2020-12-22 06:57:59,054 INFO L185 CegarLoopUtils]: At program point L865-1(lines 73 79) the Hoare annotation is: false [2020-12-22 06:57:59,055 INFO L185 CegarLoopUtils]: At program point L865-2(lines 73 79) the Hoare annotation is: false [2020-12-22 06:57:59,055 INFO L185 CegarLoopUtils]: At program point L337(lines 288 338) the Hoare annotation is: false [2020-12-22 06:57:59,055 INFO L185 CegarLoopUtils]: At program point L73(lines 69 91) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-12-22 06:57:59,055 INFO L185 CegarLoopUtils]: At program point L73-1(lines 69 91) the Hoare annotation is: false [2020-12-22 06:57:59,055 INFO L185 CegarLoopUtils]: At program point L73-2(lines 69 91) the Hoare annotation is: false [2020-12-22 06:57:59,055 INFO L185 CegarLoopUtils]: At program point L405(lines 401 407) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:59,056 INFO L185 CegarLoopUtils]: At program point L835(lines 1 990) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:59,056 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:57:59,056 INFO L189 CegarLoopUtils]: For program point L109(lines 109 117) no Hoare annotation was computed. [2020-12-22 06:57:59,056 INFO L189 CegarLoopUtils]: For program point L109-1(lines 109 117) no Hoare annotation was computed. [2020-12-22 06:57:59,056 INFO L189 CegarLoopUtils]: For program point L109-2(lines 109 117) no Hoare annotation was computed. [2020-12-22 06:57:59,056 INFO L189 CegarLoopUtils]: For program point L109-3(lines 109 117) no Hoare annotation was computed. [2020-12-22 06:57:59,056 INFO L189 CegarLoopUtils]: For program point L109-4(lines 109 117) no Hoare annotation was computed. [2020-12-22 06:57:59,056 INFO L189 CegarLoopUtils]: For program point L109-5(lines 109 117) no Hoare annotation was computed. [2020-12-22 06:57:59,056 INFO L189 CegarLoopUtils]: For program point L309(lines 309 315) no Hoare annotation was computed. [2020-12-22 06:57:59,057 INFO L185 CegarLoopUtils]: At program point L309-1(lines 309 315) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 (<= 2 ~waterLevel~0) .cse1 .cse3 .cse4 .cse5))) [2020-12-22 06:57:59,057 INFO L189 CegarLoopUtils]: For program point L904(lines 904 908) no Hoare annotation was computed. [2020-12-22 06:57:59,057 INFO L189 CegarLoopUtils]: For program point L904-3(lines 904 908) no Hoare annotation was computed. [2020-12-22 06:57:59,057 INFO L189 CegarLoopUtils]: For program point L904-6(lines 904 908) no Hoare annotation was computed. [2020-12-22 06:57:59,057 INFO L192 CegarLoopUtils]: At program point L442(lines 423 445) the Hoare annotation is: true [2020-12-22 06:57:59,057 INFO L189 CegarLoopUtils]: For program point L46(line 46) no Hoare annotation was computed. [2020-12-22 06:57:59,057 INFO L189 CegarLoopUtils]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-12-22 06:57:59,058 INFO L189 CegarLoopUtils]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-12-22 06:57:59,058 INFO L185 CegarLoopUtils]: At program point L80(lines 80 86) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_main_~tmp~5 1)) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse1 .cse2 .cse6 .cse3 .cse4 .cse5) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse6 .cse3 .cse4 .cse5))) [2020-12-22 06:57:59,058 INFO L185 CegarLoopUtils]: At program point L80-1(lines 80 86) the Hoare annotation is: false [2020-12-22 06:57:59,058 INFO L185 CegarLoopUtils]: At program point L80-2(lines 80 86) the Hoare annotation is: false [2020-12-22 06:57:59,058 INFO L185 CegarLoopUtils]: At program point L973(lines 968 976) the Hoare annotation is: (let ((.cse6 (<= 1 ~pumpRunning~0)) (.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse3 .cse4 .cse5) (and .cse6 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse0 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse1 .cse3 .cse4 .cse5) (and .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3 .cse4 .cse5))) [2020-12-22 06:57:59,059 INFO L185 CegarLoopUtils]: At program point L973-1(lines 968 976) the Hoare annotation is: false [2020-12-22 06:57:59,059 INFO L185 CegarLoopUtils]: At program point L973-2(lines 968 976) the Hoare annotation is: false [2020-12-22 06:57:59,059 INFO L185 CegarLoopUtils]: At program point L941(lines 936 944) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~5 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:59,059 INFO L185 CegarLoopUtils]: At program point L941-1(lines 936 944) the Hoare annotation is: false [2020-12-22 06:57:59,059 INFO L185 CegarLoopUtils]: At program point L941-2(lines 936 944) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~5 1) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:59,059 INFO L185 CegarLoopUtils]: At program point L941-3(lines 936 944) the Hoare annotation is: false [2020-12-22 06:57:59,059 INFO L185 CegarLoopUtils]: At program point L941-4(lines 936 944) the Hoare annotation is: false [2020-12-22 06:57:59,060 INFO L185 CegarLoopUtils]: At program point L941-5(lines 936 944) the Hoare annotation is: false [2020-12-22 06:57:59,060 INFO L185 CegarLoopUtils]: At program point L941-6(lines 936 944) the Hoare annotation is: false [2020-12-22 06:57:59,060 INFO L185 CegarLoopUtils]: At program point L941-7(lines 936 944) the Hoare annotation is: false [2020-12-22 06:57:59,060 INFO L185 CegarLoopUtils]: At program point L941-8(lines 936 944) the Hoare annotation is: false [2020-12-22 06:57:59,060 INFO L189 CegarLoopUtils]: For program point L876(lines 876 893) no Hoare annotation was computed. [2020-12-22 06:57:59,060 INFO L185 CegarLoopUtils]: At program point L843(lines 838 846) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:59,061 INFO L185 CegarLoopUtils]: At program point L876-1(lines 1 990) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9) (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse0 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse1 .cse3 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9 2) .cse4 .cse5))) [2020-12-22 06:57:59,061 INFO L189 CegarLoopUtils]: For program point L876-2(lines 876 893) no Hoare annotation was computed. [2020-12-22 06:57:59,061 INFO L185 CegarLoopUtils]: At program point L876-3(lines 1 990) the Hoare annotation is: false [2020-12-22 06:57:59,061 INFO L189 CegarLoopUtils]: For program point L876-4(lines 876 893) no Hoare annotation was computed. [2020-12-22 06:57:59,061 INFO L185 CegarLoopUtils]: At program point L876-5(lines 1 990) the Hoare annotation is: false [2020-12-22 06:57:59,061 INFO L189 CegarLoopUtils]: For program point L250(lines 250 254) no Hoare annotation was computed. [2020-12-22 06:57:59,061 INFO L189 CegarLoopUtils]: For program point L250-2(lines 250 254) no Hoare annotation was computed. [2020-12-22 06:57:59,061 INFO L189 CegarLoopUtils]: For program point L250-3(lines 250 254) no Hoare annotation was computed. [2020-12-22 06:57:59,062 INFO L189 CegarLoopUtils]: For program point L250-5(lines 250 254) no Hoare annotation was computed. [2020-12-22 06:57:59,062 INFO L189 CegarLoopUtils]: For program point L250-6(lines 250 254) no Hoare annotation was computed. [2020-12-22 06:57:59,062 INFO L189 CegarLoopUtils]: For program point L250-8(lines 250 254) no Hoare annotation was computed. [2020-12-22 06:57:59,062 INFO L189 CegarLoopUtils]: For program point L250-9(lines 250 254) no Hoare annotation was computed. [2020-12-22 06:57:59,062 INFO L189 CegarLoopUtils]: For program point L250-11(lines 250 254) no Hoare annotation was computed. [2020-12-22 06:57:59,062 INFO L189 CegarLoopUtils]: For program point L250-12(lines 250 254) no Hoare annotation was computed. [2020-12-22 06:57:59,062 INFO L189 CegarLoopUtils]: For program point L250-14(lines 250 254) no Hoare annotation was computed. [2020-12-22 06:57:59,062 INFO L189 CegarLoopUtils]: For program point L250-15(lines 250 254) no Hoare annotation was computed. [2020-12-22 06:57:59,063 INFO L189 CegarLoopUtils]: For program point L250-17(lines 250 254) no Hoare annotation was computed. [2020-12-22 06:57:59,063 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:57:59,063 INFO L189 CegarLoopUtils]: For program point L880(lines 880 890) no Hoare annotation was computed. [2020-12-22 06:57:59,063 INFO L189 CegarLoopUtils]: For program point L880-2(lines 880 890) no Hoare annotation was computed. [2020-12-22 06:57:59,063 INFO L189 CegarLoopUtils]: For program point L880-4(lines 880 890) no Hoare annotation was computed. [2020-12-22 06:57:59,063 INFO L189 CegarLoopUtils]: For program point L319(lines 319 332) no Hoare annotation was computed. [2020-12-22 06:57:59,063 INFO L189 CegarLoopUtils]: For program point L881(lines 881 887) no Hoare annotation was computed. [2020-12-22 06:57:59,063 INFO L189 CegarLoopUtils]: For program point L881-2(lines 881 887) no Hoare annotation was computed. [2020-12-22 06:57:59,064 INFO L189 CegarLoopUtils]: For program point L881-4(lines 881 887) no Hoare annotation was computed. [2020-12-22 06:57:59,064 INFO L189 CegarLoopUtils]: For program point L981(lines 981 987) no Hoare annotation was computed. [2020-12-22 06:57:59,064 INFO L189 CegarLoopUtils]: For program point L981-1(lines 981 987) no Hoare annotation was computed. [2020-12-22 06:57:59,064 INFO L189 CegarLoopUtils]: For program point L981-2(lines 981 987) no Hoare annotation was computed. [2020-12-22 06:57:59,064 INFO L189 CegarLoopUtils]: For program point L981-3(lines 981 987) no Hoare annotation was computed. [2020-12-22 06:57:59,064 INFO L189 CegarLoopUtils]: For program point L981-4(lines 981 987) no Hoare annotation was computed. [2020-12-22 06:57:59,064 INFO L189 CegarLoopUtils]: For program point L981-5(lines 981 987) no Hoare annotation was computed. [2020-12-22 06:57:59,064 INFO L189 CegarLoopUtils]: For program point L916(lines 916 920) no Hoare annotation was computed. [2020-12-22 06:57:59,064 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:57:59,065 INFO L185 CegarLoopUtils]: At program point L256(lines 241 259) the Hoare annotation is: false [2020-12-22 06:57:59,065 INFO L185 CegarLoopUtils]: At program point L256-1(lines 241 259) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) .cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) .cse4 .cse5))) [2020-12-22 06:57:59,065 INFO L185 CegarLoopUtils]: At program point L256-2(lines 241 259) the Hoare annotation is: false [2020-12-22 06:57:59,065 INFO L185 CegarLoopUtils]: At program point L256-3(lines 241 259) the Hoare annotation is: false [2020-12-22 06:57:59,065 INFO L185 CegarLoopUtils]: At program point L256-4(lines 241 259) the Hoare annotation is: false [2020-12-22 06:57:59,065 INFO L185 CegarLoopUtils]: At program point L256-5(lines 241 259) the Hoare annotation is: false [2020-12-22 06:57:59,065 INFO L189 CegarLoopUtils]: For program point L290(lines 289 336) no Hoare annotation was computed. [2020-12-22 06:57:59,066 INFO L189 CegarLoopUtils]: For program point L291(lines 291 295) no Hoare annotation was computed. [2020-12-22 06:57:59,066 INFO L185 CegarLoopUtils]: At program point L357-2(lines 357 371) the Hoare annotation is: false [2020-12-22 06:57:59,066 INFO L185 CegarLoopUtils]: At program point L192(lines 185 195) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~5 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:59,066 INFO L185 CegarLoopUtils]: At program point L192-1(lines 185 195) the Hoare annotation is: false [2020-12-22 06:57:59,066 INFO L185 CegarLoopUtils]: At program point L192-2(lines 185 195) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~5 1) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:59,066 INFO L185 CegarLoopUtils]: At program point L192-3(lines 185 195) the Hoare annotation is: false [2020-12-22 06:57:59,066 INFO L185 CegarLoopUtils]: At program point L192-4(lines 185 195) the Hoare annotation is: false [2020-12-22 06:57:59,067 INFO L185 CegarLoopUtils]: At program point L192-5(lines 185 195) the Hoare annotation is: false [2020-12-22 06:57:59,067 INFO L185 CegarLoopUtils]: At program point L192-6(lines 185 195) the Hoare annotation is: false [2020-12-22 06:57:59,067 INFO L185 CegarLoopUtils]: At program point L192-7(lines 185 195) the Hoare annotation is: false [2020-12-22 06:57:59,067 INFO L185 CegarLoopUtils]: At program point L192-8(lines 185 195) the Hoare annotation is: false [2020-12-22 06:57:59,067 INFO L189 CegarLoopUtils]: For program point L358(line 358) no Hoare annotation was computed. [2020-12-22 06:57:59,067 INFO L189 CegarLoopUtils]: For program point L325(lines 325 331) no Hoare annotation was computed. [2020-12-22 06:57:59,067 INFO L185 CegarLoopUtils]: At program point L325-1(lines 325 331) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_main_~tmp~5 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2020-12-22 06:57:59,068 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:57:59,068 INFO L185 CegarLoopUtils]: At program point L986(lines 977 990) the Hoare annotation is: false [2020-12-22 06:57:59,068 INFO L185 CegarLoopUtils]: At program point L986-1(lines 977 990) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2020-12-22 06:57:59,068 INFO L185 CegarLoopUtils]: At program point L986-2(lines 977 990) the Hoare annotation is: false [2020-12-22 06:57:59,068 INFO L185 CegarLoopUtils]: At program point L986-3(lines 977 990) the Hoare annotation is: false [2020-12-22 06:57:59,068 INFO L185 CegarLoopUtils]: At program point L986-4(lines 977 990) the Hoare annotation is: false [2020-12-22 06:57:59,068 INFO L185 CegarLoopUtils]: At program point L986-5(lines 977 990) the Hoare annotation is: false [2020-12-22 06:57:59,069 INFO L185 CegarLoopUtils]: At program point L855(lines 850 857) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:59,069 INFO L189 CegarLoopUtils]: For program point L361(lines 361 365) no Hoare annotation was computed. [2020-12-22 06:57:59,069 INFO L189 CegarLoopUtils]: For program point L361-1(lines 361 365) no Hoare annotation was computed. [2020-12-22 06:57:59,069 INFO L189 CegarLoopUtils]: For program point L131(lines 131 148) no Hoare annotation was computed. [2020-12-22 06:57:59,069 INFO L189 CegarLoopUtils]: For program point L131-1(lines 131 148) no Hoare annotation was computed. [2020-12-22 06:57:59,069 INFO L189 CegarLoopUtils]: For program point L131-2(lines 131 148) no Hoare annotation was computed. [2020-12-22 06:57:59,069 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:57:59,070 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:57:59,070 INFO L189 CegarLoopUtils]: For program point L264(lines 264 270) no Hoare annotation was computed. [2020-12-22 06:57:59,070 INFO L185 CegarLoopUtils]: At program point L264-1(lines 264 270) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:59,070 INFO L189 CegarLoopUtils]: For program point L299(lines 299 305) no Hoare annotation was computed. [2020-12-22 06:57:59,070 INFO L185 CegarLoopUtils]: At program point L299-1(lines 299 305) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 (<= 2 ~waterLevel~0) .cse1 .cse3 .cse4 .cse5))) [2020-12-22 06:57:59,070 INFO L189 CegarLoopUtils]: For program point L167(lines 167 173) no Hoare annotation was computed. [2020-12-22 06:57:59,070 INFO L189 CegarLoopUtils]: For program point L167-2(lines 167 173) no Hoare annotation was computed. [2020-12-22 06:57:59,071 INFO L189 CegarLoopUtils]: For program point L167-4(lines 167 173) no Hoare annotation was computed. [2020-12-22 06:57:59,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:57:59 BoogieIcfgContainer [2020-12-22 06:57:59,110 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:57:59,111 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:57:59,111 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:57:59,111 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:57:59,112 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:50" (3/4) ... [2020-12-22 06:57:59,116 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:57:59,140 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:57:59,142 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:57:59,143 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:57:59,145 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:57:59,146 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:57:59,147 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:59,149 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:59,180 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && \result == 1 [2020-12-22 06:57:59,181 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && tmp == systemActive) && tmp == 1) && pumpRunning == 0) && \result == 1 [2020-12-22 06:57:59,181 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && tmp == systemActive) && tmp == 1) && pumpRunning == 0) && \result == 1 [2020-12-22 06:57:59,181 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((((((1 <= pumpRunning && 1 < tmp) && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && tmp == 1) && splverifierCounter == 0) && tmp <= 2) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:59,182 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((1 <= pumpRunning && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:59,182 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((1 <= pumpRunning && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:59,182 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((1 <= pumpRunning && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:59,183 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 [2020-12-22 06:57:59,183 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((\result == 0 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((((1 <= pumpRunning && 1 <= \result) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:59,184 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((\result == 0 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:59,184 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:59,184 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && !(0 == systemActive)) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:59,185 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((((1 <= pumpRunning && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:59,186 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 [2020-12-22 06:57:59,187 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 [2020-12-22 06:57:59,187 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\result == 0) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((!(0 == systemActive) && tmp == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:59,187 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:59,188 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0 == systemActive) && tmp == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((((!(0 == systemActive) && \result == 0) && tmp == 1) && pumpRunning == 0) && !(tmp == 0)) && splverifierCounter == 0) && tmp___0 == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:59,190 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == systemActive) && tmp == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 [2020-12-22 06:57:59,191 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == systemActive) && tmp == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 [2020-12-22 06:57:59,320 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec5_product47.cil.c-witness.graphml [2020-12-22 06:57:59,321 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:57:59,322 INFO L168 Benchmark]: Toolchain (without parser) took 11003.91 ms. Allocated memory was 151.0 MB in the beginning and 264.2 MB in the end (delta: 113.2 MB). Free memory was 125.1 MB in the beginning and 100.3 MB in the end (delta: 24.7 MB). Peak memory consumption was 138.8 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:59,322 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 124.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:57:59,323 INFO L168 Benchmark]: CACSL2BoogieTranslator took 690.96 ms. Allocated memory is still 151.0 MB. Free memory was 124.8 MB in the beginning and 103.3 MB in the end (delta: 21.6 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:59,323 INFO L168 Benchmark]: Boogie Procedure Inliner took 153.03 ms. Allocated memory is still 151.0 MB. Free memory was 103.3 MB in the beginning and 132.0 MB in the end (delta: -28.7 MB). Peak memory consumption was 5.5 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:59,323 INFO L168 Benchmark]: Boogie Preprocessor took 107.04 ms. Allocated memory is still 151.0 MB. Free memory was 132.0 MB in the beginning and 128.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:59,324 INFO L168 Benchmark]: RCFGBuilder took 1252.31 ms. Allocated memory is still 151.0 MB. Free memory was 128.8 MB in the beginning and 61.2 MB in the end (delta: 67.6 MB). Peak memory consumption was 68.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:59,324 INFO L168 Benchmark]: TraceAbstraction took 8580.65 ms. Allocated memory was 151.0 MB in the beginning and 264.2 MB in the end (delta: 113.2 MB). Free memory was 61.2 MB in the beginning and 112.9 MB in the end (delta: -51.8 MB). Peak memory consumption was 62.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:59,325 INFO L168 Benchmark]: Witness Printer took 210.26 ms. Allocated memory is still 264.2 MB. Free memory was 112.9 MB in the beginning and 100.3 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:59,328 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 124.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 690.96 ms. Allocated memory is still 151.0 MB. Free memory was 124.8 MB in the beginning and 103.3 MB in the end (delta: 21.6 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 153.03 ms. Allocated memory is still 151.0 MB. Free memory was 103.3 MB in the beginning and 132.0 MB in the end (delta: -28.7 MB). Peak memory consumption was 5.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 107.04 ms. Allocated memory is still 151.0 MB. Free memory was 132.0 MB in the beginning and 128.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1252.31 ms. Allocated memory is still 151.0 MB. Free memory was 128.8 MB in the beginning and 61.2 MB in the end (delta: 67.6 MB). Peak memory consumption was 68.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 8580.65 ms. Allocated memory was 151.0 MB in the beginning and 264.2 MB in the end (delta: 113.2 MB). Free memory was 61.2 MB in the beginning and 112.9 MB in the end (delta: -51.8 MB). Peak memory consumption was 62.0 MB. Max. memory is 8.0 GB. * Witness Printer took 210.26 ms. Allocated memory is still 264.2 MB. Free memory was 112.9 MB in the beginning and 100.3 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: 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: 80]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((1 <= pumpRunning && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && !(0 == systemActive)) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && tmp == systemActive) && tmp == 1) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && tmp == systemActive) && tmp == 1) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((\result == 0 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((((1 <= pumpRunning && 1 <= \result) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: ((((((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: (((((((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((1 <= pumpRunning && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 423]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: (((((((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((((1 <= pumpRunning && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: (((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: ((((((!(0 == systemActive) && tmp == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((((!(0 == systemActive) && \result == 0) && tmp == 1) && pumpRunning == 0) && !(tmp == 0)) && splverifierCounter == 0) && tmp___0 == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 288]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: (((((!(0 == systemActive) && tmp == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: (((((!(0 == systemActive) && tmp == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: (((((((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((1 <= pumpRunning && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 977]: Loop Invariant Derived loop invariant: ((((((!(\result == 0) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((!(0 == systemActive) && tmp == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 357]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 977]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 977]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((\result == 0 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 977]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((((((1 <= pumpRunning && 1 < tmp) && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && tmp == 1) && splverifierCounter == 0) && tmp <= 2) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 977]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 977]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 140 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.8s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1167 SDtfs, 2004 SDslu, 1848 SDs, 0 SdLazy, 281 SolverSat, 91 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 137 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=259occurred 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, 10 MinimizatonAttempts, 744 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 63 PreInvPairs, 217 NumberOfFragments, 1072 HoareAnnotationTreeSize, 63 FomulaSimplifications, 64266 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 63 FomulaSimplificationsInter, 107485 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 389 NumberOfCodeBlocks, 389 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 378 ConstructedInterpolants, 0 QuantifiedInterpolants, 32890 SizeOfPredicates, 3 NumberOfNonLiveVariables, 454 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 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...