/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:54:59,964 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:54:59,967 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:55:00,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:55:00,004 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:55:00,005 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:55:00,007 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:55:00,009 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:55:00,012 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:55:00,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:55:00,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:55:00,015 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:55:00,016 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:55:00,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:55:00,019 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:55:00,020 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:55:00,021 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:55:00,022 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:55:00,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:55:00,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:55:00,052 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:55:00,054 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:55:00,057 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:55:00,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:55:00,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:55:00,075 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:55:00,076 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:55:00,079 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:55:00,081 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:55:00,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:55:00,082 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:55:00,083 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:55:00,084 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:55:00,084 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:55:00,085 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:55:00,087 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:55:00,092 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:55:00,150 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:55:00,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:55:00,153 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:55:00,154 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:55:00,154 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:55:00,154 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:55:00,154 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:55:00,154 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:55:00,155 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:55:00,157 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:55:00,157 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:55:00,157 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:55:00,157 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:55:00,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:55:00,158 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:55:00,158 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:55:00,158 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:55:00,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:55:00,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:55:00,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:55:00,159 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:55:00,159 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:55:00,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:55:00,160 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:55:00,162 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:55:00,162 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:55:00,551 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:55:00,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:55:00,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:55:00,588 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:55:00,589 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:55:00,590 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c [2020-12-22 06:55:00,682 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd461c330/ae106117dc3b4ab58f3bebf7e586a03c/FLAG800c8b0ce [2020-12-22 06:55:01,420 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:55:01,420 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c [2020-12-22 06:55:01,440 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd461c330/ae106117dc3b4ab58f3bebf7e586a03c/FLAG800c8b0ce [2020-12-22 06:55:01,719 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd461c330/ae106117dc3b4ab58f3bebf7e586a03c [2020-12-22 06:55:01,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:55:01,732 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:55:01,738 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:55:01,738 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:55:01,742 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:55:01,744 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:55:01" (1/1) ... [2020-12-22 06:55:01,746 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77aa22b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:01, skipping insertion in model container [2020-12-22 06:55:01,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:55:01" (1/1) ... [2020-12-22 06:55:01,756 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:55:01,833 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:55:02,012 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c[2917,2930] [2020-12-22 06:55:02,135 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:55:02,148 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:55:02,173 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c[2917,2930] [2020-12-22 06:55:02,233 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:55:02,288 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:55:02,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:02 WrapperNode [2020-12-22 06:55:02,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:55:02,290 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:55:02,291 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:55:02,291 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:55:02,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:02" (1/1) ... [2020-12-22 06:55:02,367 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:02" (1/1) ... [2020-12-22 06:55:02,436 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:55:02,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:55:02,437 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:55:02,437 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:55:02,454 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:02" (1/1) ... [2020-12-22 06:55:02,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:02" (1/1) ... [2020-12-22 06:55:02,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:02" (1/1) ... [2020-12-22 06:55:02,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:02" (1/1) ... [2020-12-22 06:55:02,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:02" (1/1) ... [2020-12-22 06:55:02,533 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:02" (1/1) ... [2020-12-22 06:55:02,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:02" (1/1) ... [2020-12-22 06:55:02,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:55:02,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:55:02,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:55:02,551 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:55:02,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:02" (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 06:55:02,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:55:02,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:55:02,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:55:02,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:55:04,082 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:55:04,083 INFO L299 CfgBuilder]: Removed 200 assume(true) statements. [2020-12-22 06:55:04,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:55:04 BoogieIcfgContainer [2020-12-22 06:55:04,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:55:04,087 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:55:04,087 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:55:04,091 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:55:04,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:55:01" (1/3) ... [2020-12-22 06:55:04,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d3765e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:55:04, skipping insertion in model container [2020-12-22 06:55:04,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:02" (2/3) ... [2020-12-22 06:55:04,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d3765e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:55:04, skipping insertion in model container [2020-12-22 06:55:04,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:55:04" (3/3) ... [2020-12-22 06:55:04,096 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product60.cil.c [2020-12-22 06:55:04,103 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:55:04,111 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:55:04,133 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:55:04,171 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:55:04,171 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:55:04,171 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:55:04,171 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:55:04,171 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:55:04,172 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:55:04,172 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:55:04,172 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:55:04,193 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2020-12-22 06:55:04,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-22 06:55:04,201 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:04,202 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:04,203 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:04,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:04,210 INFO L82 PathProgramCache]: Analyzing trace with hash 1212648512, now seen corresponding path program 1 times [2020-12-22 06:55:04,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:04,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691530882] [2020-12-22 06:55:04,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:04,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:04,596 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 06:55:04,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691530882] [2020-12-22 06:55:04,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:04,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:55:04,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956784682] [2020-12-22 06:55:04,606 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:55:04,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:04,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:55:04,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:55:04,630 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 2 states. [2020-12-22 06:55:04,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:04,710 INFO L93 Difference]: Finished difference Result 275 states and 414 transitions. [2020-12-22 06:55:04,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:55:04,714 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-12-22 06:55:04,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:04,751 INFO L225 Difference]: With dead ends: 275 [2020-12-22 06:55:04,751 INFO L226 Difference]: Without dead ends: 137 [2020-12-22 06:55:04,756 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 06:55:04,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-12-22 06:55:04,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2020-12-22 06:55:04,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-12-22 06:55:04,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 199 transitions. [2020-12-22 06:55:04,844 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 199 transitions. Word has length 18 [2020-12-22 06:55:04,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:04,844 INFO L481 AbstractCegarLoop]: Abstraction has 137 states and 199 transitions. [2020-12-22 06:55:04,844 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:55:04,845 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 199 transitions. [2020-12-22 06:55:04,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:55:04,846 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:04,846 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 06:55:04,848 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:55:04,848 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:04,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:04,850 INFO L82 PathProgramCache]: Analyzing trace with hash 1186120291, now seen corresponding path program 1 times [2020-12-22 06:55:04,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:04,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228600311] [2020-12-22 06:55:04,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:04,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:04,990 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 06:55:04,991 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228600311] [2020-12-22 06:55:04,991 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:04,991 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:55:04,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589864759] [2020-12-22 06:55:04,993 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:55:04,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:04,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:55:04,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:04,995 INFO L87 Difference]: Start difference. First operand 137 states and 199 transitions. Second operand 3 states. [2020-12-22 06:55:05,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:05,008 INFO L93 Difference]: Finished difference Result 137 states and 199 transitions. [2020-12-22 06:55:05,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:55:05,008 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-22 06:55:05,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:05,009 INFO L225 Difference]: With dead ends: 137 [2020-12-22 06:55:05,010 INFO L226 Difference]: Without dead ends: 57 [2020-12-22 06:55:05,011 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 06:55:05,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-12-22 06:55:05,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-12-22 06:55:05,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-12-22 06:55:05,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 82 transitions. [2020-12-22 06:55:05,017 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 82 transitions. Word has length 19 [2020-12-22 06:55:05,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:05,018 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 82 transitions. [2020-12-22 06:55:05,018 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:55:05,018 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 82 transitions. [2020-12-22 06:55:05,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:55:05,019 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:05,019 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:05,020 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:55:05,020 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:05,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:05,021 INFO L82 PathProgramCache]: Analyzing trace with hash -1540902592, now seen corresponding path program 1 times [2020-12-22 06:55:05,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:05,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138596612] [2020-12-22 06:55:05,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:05,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:05,149 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 06:55:05,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138596612] [2020-12-22 06:55:05,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:05,149 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:55:05,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228538385] [2020-12-22 06:55:05,152 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:55:05,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:05,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:55:05,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:05,154 INFO L87 Difference]: Start difference. First operand 57 states and 82 transitions. Second operand 3 states. [2020-12-22 06:55:05,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:05,197 INFO L93 Difference]: Finished difference Result 157 states and 232 transitions. [2020-12-22 06:55:05,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:55:05,197 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-12-22 06:55:05,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:05,199 INFO L225 Difference]: With dead ends: 157 [2020-12-22 06:55:05,199 INFO L226 Difference]: Without dead ends: 107 [2020-12-22 06:55:05,200 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 06:55:05,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-12-22 06:55:05,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 103. [2020-12-22 06:55:05,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-12-22 06:55:05,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 152 transitions. [2020-12-22 06:55:05,216 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 152 transitions. Word has length 24 [2020-12-22 06:55:05,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:05,216 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 152 transitions. [2020-12-22 06:55:05,216 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:55:05,216 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 152 transitions. [2020-12-22 06:55:05,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:55:05,218 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:05,218 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 06:55:05,218 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:55:05,218 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:05,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:05,219 INFO L82 PathProgramCache]: Analyzing trace with hash 2071903209, now seen corresponding path program 1 times [2020-12-22 06:55:05,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:05,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113040908] [2020-12-22 06:55:05,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:05,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:05,331 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 06:55:05,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113040908] [2020-12-22 06:55:05,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:05,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:55:05,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953877285] [2020-12-22 06:55:05,335 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:55:05,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:05,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:55:05,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:05,336 INFO L87 Difference]: Start difference. First operand 103 states and 152 transitions. Second operand 3 states. [2020-12-22 06:55:05,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:05,401 INFO L93 Difference]: Finished difference Result 242 states and 363 transitions. [2020-12-22 06:55:05,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:55:05,403 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-12-22 06:55:05,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:05,407 INFO L225 Difference]: With dead ends: 242 [2020-12-22 06:55:05,407 INFO L226 Difference]: Without dead ends: 146 [2020-12-22 06:55:05,409 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 06:55:05,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-12-22 06:55:05,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 144. [2020-12-22 06:55:05,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-12-22 06:55:05,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 210 transitions. [2020-12-22 06:55:05,445 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 210 transitions. Word has length 26 [2020-12-22 06:55:05,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:05,446 INFO L481 AbstractCegarLoop]: Abstraction has 144 states and 210 transitions. [2020-12-22 06:55:05,446 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:55:05,446 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 210 transitions. [2020-12-22 06:55:05,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-22 06:55:05,447 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:05,447 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] [2020-12-22 06:55:05,448 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:55:05,448 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:05,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:05,449 INFO L82 PathProgramCache]: Analyzing trace with hash 917787529, now seen corresponding path program 1 times [2020-12-22 06:55:05,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:05,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633985489] [2020-12-22 06:55:05,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:05,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:05,599 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 06:55:05,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633985489] [2020-12-22 06:55:05,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:05,600 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:55:05,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062348088] [2020-12-22 06:55:05,600 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:05,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:05,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:05,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:05,601 INFO L87 Difference]: Start difference. First operand 144 states and 210 transitions. Second operand 5 states. [2020-12-22 06:55:05,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:05,798 INFO L93 Difference]: Finished difference Result 756 states and 1115 transitions. [2020-12-22 06:55:05,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:55:05,800 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-12-22 06:55:05,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:05,805 INFO L225 Difference]: With dead ends: 756 [2020-12-22 06:55:05,806 INFO L226 Difference]: Without dead ends: 619 [2020-12-22 06:55:05,809 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 06:55:05,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2020-12-22 06:55:05,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 267. [2020-12-22 06:55:05,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2020-12-22 06:55:05,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 384 transitions. [2020-12-22 06:55:05,867 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 384 transitions. Word has length 27 [2020-12-22 06:55:05,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:05,868 INFO L481 AbstractCegarLoop]: Abstraction has 267 states and 384 transitions. [2020-12-22 06:55:05,868 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:05,868 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 384 transitions. [2020-12-22 06:55:05,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-22 06:55:05,875 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:05,875 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 06:55:05,875 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:55:05,876 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:05,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:05,877 INFO L82 PathProgramCache]: Analyzing trace with hash -516357631, now seen corresponding path program 1 times [2020-12-22 06:55:05,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:05,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451395757] [2020-12-22 06:55:05,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:05,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:05,970 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 06:55:05,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451395757] [2020-12-22 06:55:05,971 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:05,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:55:05,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055645399] [2020-12-22 06:55:05,972 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:05,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:05,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:05,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:05,973 INFO L87 Difference]: Start difference. First operand 267 states and 384 transitions. Second operand 5 states. [2020-12-22 06:55:06,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:06,159 INFO L93 Difference]: Finished difference Result 1029 states and 1483 transitions. [2020-12-22 06:55:06,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:55:06,160 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-12-22 06:55:06,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:06,165 INFO L225 Difference]: With dead ends: 1029 [2020-12-22 06:55:06,165 INFO L226 Difference]: Without dead ends: 769 [2020-12-22 06:55:06,166 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 06:55:06,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2020-12-22 06:55:06,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 265. [2020-12-22 06:55:06,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2020-12-22 06:55:06,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 378 transitions. [2020-12-22 06:55:06,192 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 378 transitions. Word has length 28 [2020-12-22 06:55:06,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:06,192 INFO L481 AbstractCegarLoop]: Abstraction has 265 states and 378 transitions. [2020-12-22 06:55:06,192 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:06,192 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 378 transitions. [2020-12-22 06:55:06,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-22 06:55:06,194 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:06,194 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:06,194 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:55:06,194 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:06,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:06,195 INFO L82 PathProgramCache]: Analyzing trace with hash 1801944586, now seen corresponding path program 1 times [2020-12-22 06:55:06,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:06,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125386827] [2020-12-22 06:55:06,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:06,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:06,252 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 06:55:06,253 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125386827] [2020-12-22 06:55:06,253 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:06,253 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:55:06,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147920817] [2020-12-22 06:55:06,254 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:06,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:06,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:06,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:06,255 INFO L87 Difference]: Start difference. First operand 265 states and 378 transitions. Second operand 5 states. [2020-12-22 06:55:06,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:06,451 INFO L93 Difference]: Finished difference Result 1031 states and 1462 transitions. [2020-12-22 06:55:06,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:55:06,452 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-12-22 06:55:06,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:06,456 INFO L225 Difference]: With dead ends: 1031 [2020-12-22 06:55:06,457 INFO L226 Difference]: Without dead ends: 773 [2020-12-22 06:55:06,458 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 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 06:55:06,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2020-12-22 06:55:06,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 281. [2020-12-22 06:55:06,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-12-22 06:55:06,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 394 transitions. [2020-12-22 06:55:06,519 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 394 transitions. Word has length 36 [2020-12-22 06:55:06,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:06,520 INFO L481 AbstractCegarLoop]: Abstraction has 281 states and 394 transitions. [2020-12-22 06:55:06,520 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:06,520 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 394 transitions. [2020-12-22 06:55:06,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-22 06:55:06,524 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:06,524 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:06,525 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:55:06,525 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:06,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:06,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1481905460, now seen corresponding path program 1 times [2020-12-22 06:55:06,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:06,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398050874] [2020-12-22 06:55:06,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:06,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:06,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:55:06,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398050874] [2020-12-22 06:55:06,623 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:06,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:55:06,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481412924] [2020-12-22 06:55:06,627 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:06,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:06,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:06,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:06,631 INFO L87 Difference]: Start difference. First operand 281 states and 394 transitions. Second operand 5 states. [2020-12-22 06:55:06,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:06,737 INFO L93 Difference]: Finished difference Result 735 states and 1021 transitions. [2020-12-22 06:55:06,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:55:06,738 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-12-22 06:55:06,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:06,743 INFO L225 Difference]: With dead ends: 735 [2020-12-22 06:55:06,743 INFO L226 Difference]: Without dead ends: 461 [2020-12-22 06:55:06,744 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 06:55:06,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2020-12-22 06:55:06,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 305. [2020-12-22 06:55:06,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2020-12-22 06:55:06,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 418 transitions. [2020-12-22 06:55:06,776 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 418 transitions. Word has length 36 [2020-12-22 06:55:06,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:06,777 INFO L481 AbstractCegarLoop]: Abstraction has 305 states and 418 transitions. [2020-12-22 06:55:06,778 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:06,778 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 418 transitions. [2020-12-22 06:55:06,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-22 06:55:06,780 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:06,781 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:06,781 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:55:06,782 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:06,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:06,783 INFO L82 PathProgramCache]: Analyzing trace with hash 780876232, now seen corresponding path program 1 times [2020-12-22 06:55:06,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:06,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675049468] [2020-12-22 06:55:06,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:06,865 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 06:55:06,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675049468] [2020-12-22 06:55:06,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:06,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:55:06,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825712044] [2020-12-22 06:55:06,872 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:55:06,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:06,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:55:06,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:06,877 INFO L87 Difference]: Start difference. First operand 305 states and 418 transitions. Second operand 3 states. [2020-12-22 06:55:06,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:06,928 INFO L93 Difference]: Finished difference Result 707 states and 963 transitions. [2020-12-22 06:55:06,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:55:06,929 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2020-12-22 06:55:06,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:06,934 INFO L225 Difference]: With dead ends: 707 [2020-12-22 06:55:06,934 INFO L226 Difference]: Without dead ends: 409 [2020-12-22 06:55:06,935 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 06:55:06,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2020-12-22 06:55:06,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 409. [2020-12-22 06:55:06,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2020-12-22 06:55:06,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 544 transitions. [2020-12-22 06:55:06,975 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 544 transitions. Word has length 36 [2020-12-22 06:55:06,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:06,980 INFO L481 AbstractCegarLoop]: Abstraction has 409 states and 544 transitions. [2020-12-22 06:55:06,980 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:55:06,980 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 544 transitions. [2020-12-22 06:55:06,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-22 06:55:06,983 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:06,984 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 06:55:06,984 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:55:06,984 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:06,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:06,985 INFO L82 PathProgramCache]: Analyzing trace with hash -693602552, now seen corresponding path program 1 times [2020-12-22 06:55:06,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:06,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318633734] [2020-12-22 06:55:06,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:07,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:07,085 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 06:55:07,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318633734] [2020-12-22 06:55:07,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:07,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:55:07,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841841255] [2020-12-22 06:55:07,088 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:55:07,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:07,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:55:07,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:55:07,090 INFO L87 Difference]: Start difference. First operand 409 states and 544 transitions. Second operand 6 states. [2020-12-22 06:55:07,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:07,435 INFO L93 Difference]: Finished difference Result 1257 states and 1667 transitions. [2020-12-22 06:55:07,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-22 06:55:07,437 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2020-12-22 06:55:07,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:07,445 INFO L225 Difference]: With dead ends: 1257 [2020-12-22 06:55:07,445 INFO L226 Difference]: Without dead ends: 855 [2020-12-22 06:55:07,447 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-12-22 06:55:07,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2020-12-22 06:55:07,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 409. [2020-12-22 06:55:07,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2020-12-22 06:55:07,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 534 transitions. [2020-12-22 06:55:07,491 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 534 transitions. Word has length 37 [2020-12-22 06:55:07,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:07,491 INFO L481 AbstractCegarLoop]: Abstraction has 409 states and 534 transitions. [2020-12-22 06:55:07,492 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:55:07,492 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 534 transitions. [2020-12-22 06:55:07,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-22 06:55:07,493 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:07,493 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:07,493 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 06:55:07,493 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:07,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:07,494 INFO L82 PathProgramCache]: Analyzing trace with hash 654995562, now seen corresponding path program 1 times [2020-12-22 06:55:07,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:07,494 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039615725] [2020-12-22 06:55:07,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:07,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:07,562 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 06:55:07,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039615725] [2020-12-22 06:55:07,563 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:07,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:55:07,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237933784] [2020-12-22 06:55:07,564 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:55:07,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:07,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:55:07,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:07,565 INFO L87 Difference]: Start difference. First operand 409 states and 534 transitions. Second operand 3 states. [2020-12-22 06:55:07,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:07,657 INFO L93 Difference]: Finished difference Result 692 states and 901 transitions. [2020-12-22 06:55:07,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:55:07,658 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2020-12-22 06:55:07,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:07,660 INFO L225 Difference]: With dead ends: 692 [2020-12-22 06:55:07,660 INFO L226 Difference]: Without dead ends: 290 [2020-12-22 06:55:07,661 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 06:55:07,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2020-12-22 06:55:07,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 282. [2020-12-22 06:55:07,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-12-22 06:55:07,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 362 transitions. [2020-12-22 06:55:07,693 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 362 transitions. Word has length 55 [2020-12-22 06:55:07,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:07,693 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 362 transitions. [2020-12-22 06:55:07,693 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:55:07,693 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 362 transitions. [2020-12-22 06:55:07,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-22 06:55:07,694 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:07,695 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:07,695 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 06:55:07,695 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:07,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:07,696 INFO L82 PathProgramCache]: Analyzing trace with hash -805983262, now seen corresponding path program 1 times [2020-12-22 06:55:07,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:07,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33479042] [2020-12-22 06:55:07,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:07,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:07,781 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:55:07,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33479042] [2020-12-22 06:55:07,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:07,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:55:07,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746674685] [2020-12-22 06:55:07,784 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:55:07,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:07,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:55:07,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:07,785 INFO L87 Difference]: Start difference. First operand 282 states and 362 transitions. Second operand 3 states. [2020-12-22 06:55:07,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:07,843 INFO L93 Difference]: Finished difference Result 413 states and 532 transitions. [2020-12-22 06:55:07,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:55:07,843 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-12-22 06:55:07,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:07,847 INFO L225 Difference]: With dead ends: 413 [2020-12-22 06:55:07,848 INFO L226 Difference]: Without dead ends: 411 [2020-12-22 06:55:07,848 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 06:55:07,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2020-12-22 06:55:07,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 308. [2020-12-22 06:55:07,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2020-12-22 06:55:07,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 401 transitions. [2020-12-22 06:55:07,888 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 401 transitions. Word has length 58 [2020-12-22 06:55:07,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:07,889 INFO L481 AbstractCegarLoop]: Abstraction has 308 states and 401 transitions. [2020-12-22 06:55:07,889 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:55:07,889 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 401 transitions. [2020-12-22 06:55:07,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-22 06:55:07,891 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:07,891 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2020-12-22 06:55:07,891 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 06:55:07,891 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:07,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:07,892 INFO L82 PathProgramCache]: Analyzing trace with hash 750831267, now seen corresponding path program 1 times [2020-12-22 06:55:07,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:07,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190662933] [2020-12-22 06:55:07,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:07,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:08,069 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-22 06:55:08,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190662933] [2020-12-22 06:55:08,070 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:08,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:55:08,070 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303237680] [2020-12-22 06:55:08,071 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:08,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:08,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:08,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:08,072 INFO L87 Difference]: Start difference. First operand 308 states and 401 transitions. Second operand 5 states. [2020-12-22 06:55:08,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:08,346 INFO L93 Difference]: Finished difference Result 845 states and 1129 transitions. [2020-12-22 06:55:08,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:55:08,347 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-12-22 06:55:08,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:08,351 INFO L225 Difference]: With dead ends: 845 [2020-12-22 06:55:08,351 INFO L226 Difference]: Without dead ends: 632 [2020-12-22 06:55:08,352 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:55:08,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2020-12-22 06:55:08,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 399. [2020-12-22 06:55:08,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2020-12-22 06:55:08,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 526 transitions. [2020-12-22 06:55:08,425 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 526 transitions. Word has length 82 [2020-12-22 06:55:08,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:08,425 INFO L481 AbstractCegarLoop]: Abstraction has 399 states and 526 transitions. [2020-12-22 06:55:08,426 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:08,426 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 526 transitions. [2020-12-22 06:55:08,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-22 06:55:08,427 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:08,427 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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] [2020-12-22 06:55:08,428 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-22 06:55:08,428 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:08,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:08,429 INFO L82 PathProgramCache]: Analyzing trace with hash -270237087, now seen corresponding path program 1 times [2020-12-22 06:55:08,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:08,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220389621] [2020-12-22 06:55:08,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:08,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:08,514 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:55:08,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220389621] [2020-12-22 06:55:08,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1748590576] [2020-12-22 06:55:08,515 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 06:55:08,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:08,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-22 06:55:08,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:55:08,844 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:55:08,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:55:08,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-12-22 06:55:08,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346281893] [2020-12-22 06:55:08,845 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:55:08,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:08,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:55:08,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:55:08,846 INFO L87 Difference]: Start difference. First operand 399 states and 526 transitions. Second operand 4 states. [2020-12-22 06:55:09,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:09,104 INFO L93 Difference]: Finished difference Result 1262 states and 1670 transitions. [2020-12-22 06:55:09,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:55:09,105 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 82 [2020-12-22 06:55:09,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:09,110 INFO L225 Difference]: With dead ends: 1262 [2020-12-22 06:55:09,110 INFO L226 Difference]: Without dead ends: 867 [2020-12-22 06:55:09,111 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:55:09,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2020-12-22 06:55:09,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 857. [2020-12-22 06:55:09,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 857 states. [2020-12-22 06:55:09,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1120 transitions. [2020-12-22 06:55:09,263 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1120 transitions. Word has length 82 [2020-12-22 06:55:09,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:09,263 INFO L481 AbstractCegarLoop]: Abstraction has 857 states and 1120 transitions. [2020-12-22 06:55:09,263 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:55:09,263 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1120 transitions. [2020-12-22 06:55:09,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-22 06:55:09,265 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:09,265 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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] [2020-12-22 06:55:09,479 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-12-22 06:55:09,480 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:09,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:09,481 INFO L82 PathProgramCache]: Analyzing trace with hash 356464481, now seen corresponding path program 1 times [2020-12-22 06:55:09,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:09,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838460498] [2020-12-22 06:55:09,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:09,575 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-22 06:55:09,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838460498] [2020-12-22 06:55:09,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636018592] [2020-12-22 06:55:09,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:55:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:09,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-22 06:55:09,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:55:09,868 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 06:55:09,869 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 06:55:09,869 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2020-12-22 06:55:09,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995073222] [2020-12-22 06:55:09,872 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:09,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:09,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:09,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:55:09,873 INFO L87 Difference]: Start difference. First operand 857 states and 1120 transitions. Second operand 5 states. [2020-12-22 06:55:10,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:10,025 INFO L93 Difference]: Finished difference Result 1598 states and 2067 transitions. [2020-12-22 06:55:10,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:55:10,025 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-12-22 06:55:10,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:10,030 INFO L225 Difference]: With dead ends: 1598 [2020-12-22 06:55:10,030 INFO L226 Difference]: Without dead ends: 748 [2020-12-22 06:55:10,031 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-12-22 06:55:10,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2020-12-22 06:55:10,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 404. [2020-12-22 06:55:10,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 404 states. [2020-12-22 06:55:10,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 511 transitions. [2020-12-22 06:55:10,086 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 511 transitions. Word has length 82 [2020-12-22 06:55:10,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:10,087 INFO L481 AbstractCegarLoop]: Abstraction has 404 states and 511 transitions. [2020-12-22 06:55:10,087 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:10,087 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 511 transitions. [2020-12-22 06:55:10,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-22 06:55:10,088 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:10,088 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2020-12-22 06:55:10,302 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-12-22 06:55:10,303 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:10,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:10,303 INFO L82 PathProgramCache]: Analyzing trace with hash 1612420545, now seen corresponding path program 2 times [2020-12-22 06:55:10,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:10,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700880743] [2020-12-22 06:55:10,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:10,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:10,418 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-22 06:55:10,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700880743] [2020-12-22 06:55:10,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:10,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:55:10,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951853620] [2020-12-22 06:55:10,420 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:55:10,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:10,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:55:10,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:55:10,421 INFO L87 Difference]: Start difference. First operand 404 states and 511 transitions. Second operand 6 states. [2020-12-22 06:55:10,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:10,853 INFO L93 Difference]: Finished difference Result 932 states and 1177 transitions. [2020-12-22 06:55:10,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:55:10,853 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2020-12-22 06:55:10,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:10,854 INFO L225 Difference]: With dead ends: 932 [2020-12-22 06:55:10,854 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:55:10,855 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:55:10,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:55:10,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:55:10,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:55:10,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:55:10,856 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2020-12-22 06:55:10,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:10,857 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:55:10,857 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:55:10,857 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:55:10,857 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:55:10,857 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-22 06:55:10,859 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:55:11,519 WARN L197 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 204 [2020-12-22 06:55:12,207 WARN L197 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 200 [2020-12-22 06:55:12,424 WARN L197 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 119 [2020-12-22 06:55:12,886 WARN L197 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 175 [2020-12-22 06:55:13,135 WARN L197 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 163 [2020-12-22 06:55:13,386 WARN L197 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 157 [2020-12-22 06:55:13,731 WARN L197 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 154 [2020-12-22 06:55:13,871 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 94 [2020-12-22 06:55:14,160 WARN L197 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 133 [2020-12-22 06:55:14,532 WARN L197 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 173 [2020-12-22 06:55:15,797 WARN L197 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 199 DAG size of output: 32 [2020-12-22 06:55:17,025 WARN L197 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 192 DAG size of output: 38 [2020-12-22 06:55:17,568 WARN L197 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 29 [2020-12-22 06:55:17,985 WARN L197 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 25 [2020-12-22 06:55:19,016 WARN L197 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 167 DAG size of output: 38 [2020-12-22 06:55:20,074 WARN L197 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 158 DAG size of output: 33 [2020-12-22 06:55:20,215 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 25 [2020-12-22 06:55:21,155 WARN L197 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 39 [2020-12-22 06:55:21,345 WARN L197 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 23 [2020-12-22 06:55:21,638 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 25 [2020-12-22 06:55:22,486 WARN L197 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 38 [2020-12-22 06:55:22,867 WARN L197 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 28 [2020-12-22 06:55:23,619 WARN L197 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 17 [2020-12-22 06:55:24,857 WARN L197 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 169 DAG size of output: 31 [2020-12-22 06:55:24,889 INFO L189 CegarLoopUtils]: For program point L960(lines 960 966) no Hoare annotation was computed. [2020-12-22 06:55:24,890 INFO L185 CegarLoopUtils]: At program point L960-1(lines 960 966) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~waterLevel~0))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2))) [2020-12-22 06:55:24,890 INFO L189 CegarLoopUtils]: For program point L927(lines 927 931) no Hoare annotation was computed. [2020-12-22 06:55:24,890 INFO L189 CegarLoopUtils]: For program point L927-2(lines 927 931) no Hoare annotation was computed. [2020-12-22 06:55:24,890 INFO L189 CegarLoopUtils]: For program point L927-3(lines 927 931) no Hoare annotation was computed. [2020-12-22 06:55:24,890 INFO L189 CegarLoopUtils]: For program point L927-5(lines 927 931) no Hoare annotation was computed. [2020-12-22 06:55:24,891 INFO L189 CegarLoopUtils]: For program point L927-6(lines 927 931) no Hoare annotation was computed. [2020-12-22 06:55:24,891 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 157) no Hoare annotation was computed. [2020-12-22 06:55:24,891 INFO L189 CegarLoopUtils]: For program point L927-8(lines 927 931) no Hoare annotation was computed. [2020-12-22 06:55:24,891 INFO L189 CegarLoopUtils]: For program point L927-9(lines 927 931) no Hoare annotation was computed. [2020-12-22 06:55:24,891 INFO L189 CegarLoopUtils]: For program point L927-11(lines 927 931) no Hoare annotation was computed. [2020-12-22 06:55:24,891 INFO L189 CegarLoopUtils]: For program point L927-12(lines 927 931) no Hoare annotation was computed. [2020-12-22 06:55:24,892 INFO L189 CegarLoopUtils]: For program point L927-14(lines 927 931) no Hoare annotation was computed. [2020-12-22 06:55:24,892 INFO L189 CegarLoopUtils]: For program point L927-15(lines 927 931) no Hoare annotation was computed. [2020-12-22 06:55:24,892 INFO L189 CegarLoopUtils]: For program point L927-17(lines 927 931) no Hoare annotation was computed. [2020-12-22 06:55:24,892 INFO L189 CegarLoopUtils]: For program point L333(lines 333 339) no Hoare annotation was computed. [2020-12-22 06:55:24,892 INFO L185 CegarLoopUtils]: At program point L333-1(lines 333 339) the Hoare annotation is: (let ((.cse6 (= 0 ~systemActive~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (<= 1 ~waterLevel~0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse3 .cse8 .cse4) (and .cse0 .cse6 .cse7 .cse3 .cse8 .cse4) (and .cse0 .cse1 .cse7 .cse3 .cse8 .cse4) (and .cse1 .cse5 .cse7 .cse3 .cse8 .cse4) (and .cse5 .cse1 .cse2 .cse3))) [2020-12-22 06:55:24,893 INFO L185 CegarLoopUtils]: At program point L138(lines 129 142) the Hoare annotation is: false [2020-12-22 06:55:24,893 INFO L185 CegarLoopUtils]: At program point L138-1(lines 129 142) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 1)) (.cse6 (<= 2 ~waterLevel~0)) (.cse0 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (.cse2 (= 1 ~systemActive~0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and .cse2 .cse7 .cse6 .cse3 .cse4) (and .cse0 .cse2 .cse7 .cse3 .cse4 .cse5))) [2020-12-22 06:55:24,893 INFO L185 CegarLoopUtils]: At program point L138-2(lines 129 142) the Hoare annotation is: false [2020-12-22 06:55:24,893 INFO L185 CegarLoopUtils]: At program point L138-3(lines 129 142) the Hoare annotation is: false [2020-12-22 06:55:24,893 INFO L185 CegarLoopUtils]: At program point L138-4(lines 129 142) the Hoare annotation is: false [2020-12-22 06:55:24,893 INFO L189 CegarLoopUtils]: For program point L997(lines 997 1014) no Hoare annotation was computed. [2020-12-22 06:55:24,894 INFO L185 CegarLoopUtils]: At program point L138-5(lines 129 142) the Hoare annotation is: false [2020-12-22 06:55:24,894 INFO L185 CegarLoopUtils]: At program point L997-1(lines 1 1017) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse9 (= 0 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse7 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~10 0)) (.cse2 (= 1 ~systemActive~0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse9 .cse10 .cse3 .cse4 .cse5 .cse6) (and .cse2 .cse8 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse9 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse2 .cse8 .cse10 (<= 2 ~waterLevel~0) .cse4 .cse6))) [2020-12-22 06:55:24,894 INFO L189 CegarLoopUtils]: For program point L997-2(lines 997 1014) no Hoare annotation was computed. [2020-12-22 06:55:24,894 INFO L185 CegarLoopUtils]: At program point L997-3(lines 1 1017) the Hoare annotation is: false [2020-12-22 06:55:24,894 INFO L189 CegarLoopUtils]: For program point L997-4(lines 997 1014) no Hoare annotation was computed. [2020-12-22 06:55:24,894 INFO L185 CegarLoopUtils]: At program point L997-5(lines 1 1017) the Hoare annotation is: false [2020-12-22 06:55:24,894 INFO L185 CegarLoopUtils]: At program point L933(lines 918 936) the Hoare annotation is: false [2020-12-22 06:55:24,895 INFO L185 CegarLoopUtils]: At program point L933-1(lines 918 936) the Hoare annotation is: (let ((.cse6 (= ~methaneLevelCritical~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse6 .cse7 .cse3 .cse4 .cse8) (and .cse1 .cse6 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse7 .cse3 .cse4 .cse8))) [2020-12-22 06:55:24,895 INFO L185 CegarLoopUtils]: At program point L933-2(lines 918 936) the Hoare annotation is: false [2020-12-22 06:55:24,895 INFO L185 CegarLoopUtils]: At program point L933-3(lines 918 936) the Hoare annotation is: false [2020-12-22 06:55:24,895 INFO L185 CegarLoopUtils]: At program point L933-4(lines 918 936) the Hoare annotation is: false [2020-12-22 06:55:24,895 INFO L185 CegarLoopUtils]: At program point L933-5(lines 918 936) the Hoare annotation is: false [2020-12-22 06:55:24,895 INFO L185 CegarLoopUtils]: At program point L174-2(lines 174 188) the Hoare annotation is: false [2020-12-22 06:55:24,895 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 157) no Hoare annotation was computed. [2020-12-22 06:55:24,896 INFO L189 CegarLoopUtils]: For program point L175(line 175) no Hoare annotation was computed. [2020-12-22 06:55:24,896 INFO L189 CegarLoopUtils]: For program point L1001(lines 1001 1011) no Hoare annotation was computed. [2020-12-22 06:55:24,896 INFO L189 CegarLoopUtils]: For program point L1001-2(lines 1001 1011) no Hoare annotation was computed. [2020-12-22 06:55:24,896 INFO L185 CegarLoopUtils]: At program point L869(lines 862 872) the Hoare annotation is: false [2020-12-22 06:55:24,896 INFO L189 CegarLoopUtils]: For program point L1001-4(lines 1001 1011) no Hoare annotation was computed. [2020-12-22 06:55:24,896 INFO L185 CegarLoopUtils]: At program point L869-1(lines 862 872) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) .cse1 .cse2 .cse3))) [2020-12-22 06:55:24,896 INFO L185 CegarLoopUtils]: At program point L869-2(lines 862 872) the Hoare annotation is: false [2020-12-22 06:55:24,897 INFO L185 CegarLoopUtils]: At program point L869-3(lines 862 872) the Hoare annotation is: false [2020-12-22 06:55:24,897 INFO L185 CegarLoopUtils]: At program point L869-4(lines 862 872) the Hoare annotation is: false [2020-12-22 06:55:24,897 INFO L185 CegarLoopUtils]: At program point L869-5(lines 862 872) the Hoare annotation is: false [2020-12-22 06:55:24,897 INFO L189 CegarLoopUtils]: For program point L1002(lines 1002 1008) no Hoare annotation was computed. [2020-12-22 06:55:24,897 INFO L189 CegarLoopUtils]: For program point L1002-2(lines 1002 1008) no Hoare annotation was computed. [2020-12-22 06:55:24,897 INFO L189 CegarLoopUtils]: For program point L1002-4(lines 1002 1008) no Hoare annotation was computed. [2020-12-22 06:55:24,897 INFO L189 CegarLoopUtils]: For program point L343(lines 343 358) no Hoare annotation was computed. [2020-12-22 06:55:24,897 INFO L189 CegarLoopUtils]: For program point L178(lines 178 182) no Hoare annotation was computed. [2020-12-22 06:55:24,898 INFO L189 CegarLoopUtils]: For program point L178-1(lines 749 755) no Hoare annotation was computed. [2020-12-22 06:55:24,898 INFO L189 CegarLoopUtils]: For program point L80(lines 80 84) no Hoare annotation was computed. [2020-12-22 06:55:24,898 INFO L189 CegarLoopUtils]: For program point L807(lines 807 824) no Hoare annotation was computed. [2020-12-22 06:55:24,898 INFO L189 CegarLoopUtils]: For program point L807-1(lines 807 824) no Hoare annotation was computed. [2020-12-22 06:55:24,898 INFO L189 CegarLoopUtils]: For program point L807-2(lines 807 824) no Hoare annotation was computed. [2020-12-22 06:55:24,898 INFO L185 CegarLoopUtils]: At program point L148(lines 143 151) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse3 .cse2 (= ~methAndRunningLastTime~0 0)))) [2020-12-22 06:55:24,898 INFO L185 CegarLoopUtils]: At program point L148-1(lines 143 151) the Hoare annotation is: false [2020-12-22 06:55:24,899 INFO L185 CegarLoopUtils]: At program point L148-2(lines 143 151) the Hoare annotation is: false [2020-12-22 06:55:24,899 INFO L189 CegarLoopUtils]: For program point L314(lines 313 362) no Hoare annotation was computed. [2020-12-22 06:55:24,899 INFO L189 CegarLoopUtils]: For program point L315(lines 315 319) no Hoare annotation was computed. [2020-12-22 06:55:24,899 INFO L189 CegarLoopUtils]: For program point L844(lines 844 850) no Hoare annotation was computed. [2020-12-22 06:55:24,899 INFO L189 CegarLoopUtils]: For program point L811(lines 811 819) no Hoare annotation was computed. [2020-12-22 06:55:24,899 INFO L189 CegarLoopUtils]: For program point L844-2(lines 844 850) no Hoare annotation was computed. [2020-12-22 06:55:24,899 INFO L189 CegarLoopUtils]: For program point L811-1(lines 811 819) no Hoare annotation was computed. [2020-12-22 06:55:24,899 INFO L189 CegarLoopUtils]: For program point L811-2(lines 811 819) no Hoare annotation was computed. [2020-12-22 06:55:24,899 INFO L189 CegarLoopUtils]: For program point L844-4(lines 844 850) no Hoare annotation was computed. [2020-12-22 06:55:24,900 INFO L189 CegarLoopUtils]: For program point L844-6(lines 844 850) no Hoare annotation was computed. [2020-12-22 06:55:24,900 INFO L189 CegarLoopUtils]: For program point L844-8(lines 844 850) no Hoare annotation was computed. [2020-12-22 06:55:24,900 INFO L189 CegarLoopUtils]: For program point L844-10(lines 844 850) no Hoare annotation was computed. [2020-12-22 06:55:24,900 INFO L185 CegarLoopUtils]: At program point L878(lines 873 881) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 (= 0 ~systemActive~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (= 1 ~systemActive~0) .cse2 .cse3 .cse4 .cse5))) [2020-12-22 06:55:24,900 INFO L185 CegarLoopUtils]: At program point L878-1(lines 873 881) the Hoare annotation is: false [2020-12-22 06:55:24,900 INFO L185 CegarLoopUtils]: At program point L878-2(lines 873 881) the Hoare annotation is: false [2020-12-22 06:55:24,900 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:55:24,900 INFO L189 CegarLoopUtils]: For program point L351(lines 351 357) no Hoare annotation was computed. [2020-12-22 06:55:24,901 INFO L185 CegarLoopUtils]: At program point L351-1(lines 749 755) the Hoare annotation is: (let ((.cse4 (= ~methAndRunningLastTime~0 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse6 (= 0 ~systemActive~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse3 .cse8) (and .cse0 .cse1 .cse7 .cse3 .cse8 .cse4) (and .cse1 .cse5 .cse7 .cse3 .cse8 .cse4) (and .cse5 .cse1 .cse2 .cse3) (and .cse0 .cse6 .cse7 .cse3 .cse8))) [2020-12-22 06:55:24,901 INFO L189 CegarLoopUtils]: For program point L252(lines 252 259) no Hoare annotation was computed. [2020-12-22 06:55:24,901 INFO L192 CegarLoopUtils]: At program point L252-1(lines 252 259) the Hoare annotation is: true [2020-12-22 06:55:24,901 INFO L189 CegarLoopUtils]: For program point L946(lines 946 950) no Hoare annotation was computed. [2020-12-22 06:55:24,901 INFO L189 CegarLoopUtils]: For program point L946-2(lines 946 950) no Hoare annotation was computed. [2020-12-22 06:55:24,901 INFO L189 CegarLoopUtils]: For program point L946-3(lines 946 950) no Hoare annotation was computed. [2020-12-22 06:55:24,901 INFO L189 CegarLoopUtils]: For program point L781(lines 781 798) no Hoare annotation was computed. [2020-12-22 06:55:24,901 INFO L189 CegarLoopUtils]: For program point L946-5(lines 946 950) no Hoare annotation was computed. [2020-12-22 06:55:24,901 INFO L189 CegarLoopUtils]: For program point L781-1(lines 781 798) no Hoare annotation was computed. [2020-12-22 06:55:24,902 INFO L189 CegarLoopUtils]: For program point L946-6(lines 946 950) no Hoare annotation was computed. [2020-12-22 06:55:24,902 INFO L189 CegarLoopUtils]: For program point L781-2(lines 781 798) no Hoare annotation was computed. [2020-12-22 06:55:24,902 INFO L189 CegarLoopUtils]: For program point L781-3(lines 781 798) no Hoare annotation was computed. [2020-12-22 06:55:24,902 INFO L189 CegarLoopUtils]: For program point L946-8(lines 946 950) no Hoare annotation was computed. [2020-12-22 06:55:24,902 INFO L189 CegarLoopUtils]: For program point L781-4(lines 781 798) no Hoare annotation was computed. [2020-12-22 06:55:24,902 INFO L189 CegarLoopUtils]: For program point L781-5(lines 781 798) no Hoare annotation was computed. [2020-12-22 06:55:24,902 INFO L185 CegarLoopUtils]: At program point L749(lines 748 767) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse3 .cse2 (= ~methAndRunningLastTime~0 0)) (and .cse0 .cse5 .cse6 .cse3 .cse2) (and .cse4 .cse1 .cse6 .cse3 .cse2) (and .cse4 .cse5 .cse6 .cse3 .cse2))) [2020-12-22 06:55:24,902 INFO L189 CegarLoopUtils]: For program point L749-1(lines 749 755) no Hoare annotation was computed. [2020-12-22 06:55:24,903 INFO L185 CegarLoopUtils]: At program point L749-2(lines 748 767) the Hoare annotation is: false [2020-12-22 06:55:24,903 INFO L185 CegarLoopUtils]: At program point L749-3(lines 748 767) the Hoare annotation is: false [2020-12-22 06:55:24,903 INFO L189 CegarLoopUtils]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-12-22 06:55:24,903 INFO L189 CegarLoopUtils]: For program point L56-3(lines 56 60) no Hoare annotation was computed. [2020-12-22 06:55:24,903 INFO L189 CegarLoopUtils]: For program point L56-6(lines 56 60) no Hoare annotation was computed. [2020-12-22 06:55:24,903 INFO L185 CegarLoopUtils]: At program point L288(lines 1 1017) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-12-22 06:55:24,903 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:55:24,904 INFO L185 CegarLoopUtils]: At program point L223(lines 219 225) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-12-22 06:55:24,904 INFO L189 CegarLoopUtils]: For program point L157(line 157) no Hoare annotation was computed. [2020-12-22 06:55:24,904 INFO L189 CegarLoopUtils]: For program point L157-1(line 157) no Hoare annotation was computed. [2020-12-22 06:55:24,904 INFO L189 CegarLoopUtils]: For program point L157-2(line 157) no Hoare annotation was computed. [2020-12-22 06:55:24,904 INFO L189 CegarLoopUtils]: For program point L785(lines 785 793) no Hoare annotation was computed. [2020-12-22 06:55:24,904 INFO L189 CegarLoopUtils]: For program point L785-1(lines 785 793) no Hoare annotation was computed. [2020-12-22 06:55:24,904 INFO L189 CegarLoopUtils]: For program point L785-2(lines 785 793) no Hoare annotation was computed. [2020-12-22 06:55:24,904 INFO L189 CegarLoopUtils]: For program point L785-3(lines 785 793) no Hoare annotation was computed. [2020-12-22 06:55:24,904 INFO L189 CegarLoopUtils]: For program point L785-4(lines 785 793) no Hoare annotation was computed. [2020-12-22 06:55:24,905 INFO L189 CegarLoopUtils]: For program point L785-5(lines 785 793) no Hoare annotation was computed. [2020-12-22 06:55:24,905 INFO L189 CegarLoopUtils]: For program point L323(lines 323 329) no Hoare annotation was computed. [2020-12-22 06:55:24,905 INFO L185 CegarLoopUtils]: At program point L323-1(lines 323 329) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse9 (= 0 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse7 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~10 0)) (.cse2 (= 1 ~systemActive~0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse9 .cse10 .cse3 .cse4 .cse5 .cse6) (and .cse2 .cse8 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse9 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse2 .cse8 .cse10 (<= 2 ~waterLevel~0) .cse4 .cse6))) [2020-12-22 06:55:24,905 INFO L185 CegarLoopUtils]: At program point L93(lines 88 96) the Hoare annotation is: false [2020-12-22 06:55:24,905 INFO L185 CegarLoopUtils]: At program point L93-1(lines 88 96) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3))) [2020-12-22 06:55:24,906 INFO L185 CegarLoopUtils]: At program point L93-2(lines 88 96) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse6 (= 0 ~systemActive~0)) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse8 (= ~methaneLevelCritical~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3) (and .cse1 .cse0 .cse2 .cse4 .cse3 .cse5) (and .cse0 .cse6 .cse2 .cse4 .cse3 .cse5) (and .cse7 .cse8 .cse6 .cse4 .cse5 .cse3) (and .cse7 .cse8 .cse1 .cse4 .cse3 .cse5))) [2020-12-22 06:55:24,906 INFO L185 CegarLoopUtils]: At program point L93-3(lines 88 96) the Hoare annotation is: false [2020-12-22 06:55:24,906 INFO L185 CegarLoopUtils]: At program point L93-4(lines 88 96) the Hoare annotation is: false [2020-12-22 06:55:24,906 INFO L185 CegarLoopUtils]: At program point L952(lines 937 955) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse2 (= ULTIMATE.start_isLowWaterLevel_~tmp~9 0)) (.cse3 (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~2)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse4 (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 .cse4))) [2020-12-22 06:55:24,906 INFO L185 CegarLoopUtils]: At program point L93-5(lines 88 96) the Hoare annotation is: false [2020-12-22 06:55:24,906 INFO L185 CegarLoopUtils]: At program point L952-1(lines 937 955) the Hoare annotation is: false [2020-12-22 06:55:24,906 INFO L185 CegarLoopUtils]: At program point L93-6(lines 88 96) the Hoare annotation is: false [2020-12-22 06:55:24,907 INFO L185 CegarLoopUtils]: At program point L952-2(lines 937 955) the Hoare annotation is: false [2020-12-22 06:55:24,907 INFO L185 CegarLoopUtils]: At program point L93-7(lines 88 96) the Hoare annotation is: false [2020-12-22 06:55:24,907 INFO L185 CegarLoopUtils]: At program point L93-8(lines 88 96) the Hoare annotation is: false [2020-12-22 06:55:24,907 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:55:24,907 INFO L185 CegarLoopUtils]: At program point L986(lines 981 988) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-12-22 06:55:24,907 INFO L185 CegarLoopUtils]: At program point L756(lines 756 762) the Hoare annotation is: (let ((.cse6 (= 1 ~systemActive~0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse3 .cse4) (and .cse6 .cse0 (<= 2 ~waterLevel~0) .cse3) (and .cse6 .cse0 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse4))) [2020-12-22 06:55:24,907 INFO L185 CegarLoopUtils]: At program point L756-1(lines 756 762) the Hoare annotation is: false [2020-12-22 06:55:24,908 INFO L185 CegarLoopUtils]: At program point L756-2(lines 756 762) the Hoare annotation is: false [2020-12-22 06:55:24,908 INFO L192 CegarLoopUtils]: At program point L261(lines 242 264) the Hoare annotation is: true [2020-12-22 06:55:24,908 INFO L185 CegarLoopUtils]: At program point L296(lines 291 299) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-12-22 06:55:24,908 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:55:24,908 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 157) no Hoare annotation was computed. [2020-12-22 06:55:24,908 INFO L185 CegarLoopUtils]: At program point L363(lines 312 364) the Hoare annotation is: false [2020-12-22 06:55:24,908 INFO L189 CegarLoopUtils]: For program point L133(lines 133 139) no Hoare annotation was computed. [2020-12-22 06:55:24,908 INFO L189 CegarLoopUtils]: For program point L133-1(lines 133 139) no Hoare annotation was computed. [2020-12-22 06:55:24,908 INFO L189 CegarLoopUtils]: For program point L133-2(lines 133 139) no Hoare annotation was computed. [2020-12-22 06:55:24,909 INFO L189 CegarLoopUtils]: For program point L133-3(lines 133 139) no Hoare annotation was computed. [2020-12-22 06:55:24,909 INFO L189 CegarLoopUtils]: For program point L133-4(lines 133 139) no Hoare annotation was computed. [2020-12-22 06:55:24,909 INFO L189 CegarLoopUtils]: For program point L133-5(lines 133 139) no Hoare annotation was computed. [2020-12-22 06:55:24,909 INFO L189 CegarLoopUtils]: For program point L68(lines 68 72) no Hoare annotation was computed. [2020-12-22 06:55:24,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:55:24 BoogieIcfgContainer [2020-12-22 06:55:24,979 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:55:24,980 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:55:24,980 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:55:24,980 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:55:24,981 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:55:04" (3/4) ... [2020-12-22 06:55:24,987 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:55:25,009 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:55:25,011 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:55:25,012 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:55:25,014 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:55:25,015 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:55:25,016 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:55:25,017 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:55:25,046 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) || (((((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) [2020-12-22 06:55:25,047 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) || (((((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) [2020-12-22 06:55:25,050 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0)) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-12-22 06:55:25,050 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && 1 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) [2020-12-22 06:55:25,051 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\result == 0) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((!(\result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-12-22 06:55:25,052 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-12-22 06:55:25,052 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && tmp == 0) && 1 <= tmp___0) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) || (((((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && tmp == 0) && 1 <= tmp___0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) [2020-12-22 06:55:25,053 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((tmp___0 == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((tmp___0 == 0 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-12-22 06:55:25,055 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:55:25,055 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:55:25,167 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec2_product60.cil.c-witness.graphml [2020-12-22 06:55:25,167 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:55:25,168 INFO L168 Benchmark]: Toolchain (without parser) took 23436.39 ms. Allocated memory was 151.0 MB in the beginning and 402.7 MB in the end (delta: 251.7 MB). Free memory was 125.4 MB in the beginning and 305.9 MB in the end (delta: -180.5 MB). Peak memory consumption was 72.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:25,169 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 123.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:55:25,169 INFO L168 Benchmark]: CACSL2BoogieTranslator took 551.73 ms. Allocated memory is still 151.0 MB. Free memory was 125.2 MB in the beginning and 102.5 MB in the end (delta: 22.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:25,170 INFO L168 Benchmark]: Boogie Procedure Inliner took 145.59 ms. Allocated memory is still 151.0 MB. Free memory was 102.5 MB in the beginning and 130.8 MB in the end (delta: -28.4 MB). Peak memory consumption was 2.7 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:25,170 INFO L168 Benchmark]: Boogie Preprocessor took 112.28 ms. Allocated memory is still 151.0 MB. Free memory was 130.8 MB in the beginning and 128.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:25,170 INFO L168 Benchmark]: RCFGBuilder took 1535.31 ms. Allocated memory is still 151.0 MB. Free memory was 127.7 MB in the beginning and 59.0 MB in the end (delta: 68.7 MB). Peak memory consumption was 69.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:25,171 INFO L168 Benchmark]: TraceAbstraction took 20892.33 ms. Allocated memory was 151.0 MB in the beginning and 402.7 MB in the end (delta: 251.7 MB). Free memory was 58.5 MB in the beginning and 318.4 MB in the end (delta: -260.0 MB). Peak memory consumption was 173.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:25,171 INFO L168 Benchmark]: Witness Printer took 187.42 ms. Allocated memory is still 402.7 MB. Free memory was 318.4 MB in the beginning and 305.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:25,175 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 123.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 551.73 ms. Allocated memory is still 151.0 MB. Free memory was 125.2 MB in the beginning and 102.5 MB in the end (delta: 22.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 145.59 ms. Allocated memory is still 151.0 MB. Free memory was 102.5 MB in the beginning and 130.8 MB in the end (delta: -28.4 MB). Peak memory consumption was 2.7 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 112.28 ms. Allocated memory is still 151.0 MB. Free memory was 130.8 MB in the beginning and 128.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1535.31 ms. Allocated memory is still 151.0 MB. Free memory was 127.7 MB in the beginning and 59.0 MB in the end (delta: 68.7 MB). Peak memory consumption was 69.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 20892.33 ms. Allocated memory was 151.0 MB in the beginning and 402.7 MB in the end (delta: 251.7 MB). Free memory was 58.5 MB in the beginning and 318.4 MB in the end (delta: -260.0 MB). Peak memory consumption was 173.1 MB. Max. memory is 8.0 GB. * Witness Printer took 187.42 ms. Allocated memory is still 402.7 MB. Free memory was 318.4 MB in the beginning and 305.9 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: 157]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 157]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 157]: 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: 252]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 0 && 1 == systemActive) && 1 <= waterLevel) && splverifierCounter == 0) || ((((methaneLevelCritical == 1 && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((methaneLevelCritical == 0 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((tmp___0 == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((tmp___0 == 0 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: ((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) || (((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((methaneLevelCritical == 0 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0)) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && tmp == 0) && 1 <= tmp___0) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) || (((((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && tmp == 0) && 1 <= tmp___0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: (((((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) || (((((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: ((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && 1 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) || (((((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: (((((((!(\result == 0) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((!(\result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((methaneLevelCritical == 0 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 141 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.6s, OverallIterations: 16, TraceHistogramMax: 3, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1900 SDtfs, 2603 SDslu, 3051 SDs, 0 SdLazy, 382 SolverSat, 88 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 266 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=857occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 16 MinimizatonAttempts, 2654 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 275 NumberOfFragments, 1169 HoareAnnotationTreeSize, 57 FomulaSimplifications, 8489006 FormulaSimplificationTreeSizeReduction, 3.6s HoareSimplificationTime, 57 FomulaSimplificationsInter, 847955 FormulaSimplificationTreeSizeReductionInter, 10.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 893 NumberOfCodeBlocks, 893 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 875 ConstructedInterpolants, 0 QuantifiedInterpolants, 89240 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1043 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 18 InterpolantComputations, 15 PerfectInterpolantSequences, 313/341 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...