/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:56:46,118 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:56:46,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:56:46,157 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:56:46,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:56:46,160 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:56:46,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:56:46,164 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:56:46,166 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:56:46,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:56:46,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:56:46,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:56:46,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:56:46,173 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:56:46,174 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:56:46,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:56:46,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:56:46,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:56:46,182 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:56:46,191 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:56:46,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:56:46,195 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:56:46,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:56:46,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:56:46,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:56:46,219 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:56:46,220 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:56:46,221 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:56:46,222 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:56:46,223 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:56:46,223 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:56:46,224 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:56:46,224 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:56:46,225 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:56:46,226 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:56:46,227 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:56:46,228 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:56:46,260 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:56:46,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:56:46,263 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:56:46,263 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:56:46,264 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:56:46,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:56:46,266 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:56:46,266 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:56:46,266 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:56:46,266 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:56:46,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:56:46,268 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:56:46,268 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:56:46,268 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:56:46,269 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:56:46,269 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:56:46,269 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:56:46,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:56:46,270 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:56:46,270 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:56:46,270 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:56:46,270 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:56:46,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:56:46,271 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:56:46,271 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:56:46,271 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:56:46,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:56:46,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:56:46,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:56:46,751 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:56:46,751 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:56:46,752 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c [2020-12-22 06:56:46,841 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2e0891d4/e287215185824acf9874b4cee8fc3819/FLAG6d5490a0e [2020-12-22 06:56:47,522 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:56:47,523 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c [2020-12-22 06:56:47,542 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2e0891d4/e287215185824acf9874b4cee8fc3819/FLAG6d5490a0e [2020-12-22 06:56:47,843 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2e0891d4/e287215185824acf9874b4cee8fc3819 [2020-12-22 06:56:47,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:56:47,851 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:56:47,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:56:47,854 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:56:47,858 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:56:47,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:56:47" (1/1) ... [2020-12-22 06:56:47,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60253c8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:47, skipping insertion in model container [2020-12-22 06:56:47,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:56:47" (1/1) ... [2020-12-22 06:56:47,871 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:56:47,941 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:56:48,286 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c[15663,15676] [2020-12-22 06:56:48,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:56:48,354 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:56:48,499 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c[15663,15676] [2020-12-22 06:56:48,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:56:48,568 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:56:48,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:48 WrapperNode [2020-12-22 06:56:48,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:56:48,571 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:56:48,571 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:56:48,571 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:56:48,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:48" (1/1) ... [2020-12-22 06:56:48,622 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:48" (1/1) ... [2020-12-22 06:56:48,754 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:56:48,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:56:48,758 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:56:48,758 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:56:48,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:48" (1/1) ... [2020-12-22 06:56:48,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:48" (1/1) ... [2020-12-22 06:56:48,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:48" (1/1) ... [2020-12-22 06:56:48,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:48" (1/1) ... [2020-12-22 06:56:48,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:48" (1/1) ... [2020-12-22 06:56:48,851 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:48" (1/1) ... [2020-12-22 06:56:48,856 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:48" (1/1) ... [2020-12-22 06:56:48,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:56:48,865 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:56:48,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:56:48,865 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:56:48,866 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:56:48,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:56:48,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:56:48,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:56:48,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:56:50,042 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:56:50,042 INFO L299 CfgBuilder]: Removed 276 assume(true) statements. [2020-12-22 06:56:50,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:50 BoogieIcfgContainer [2020-12-22 06:56:50,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:56:50,046 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:56:50,047 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:56:50,050 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:56:50,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:56:47" (1/3) ... [2020-12-22 06:56:50,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f4a9bb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:56:50, skipping insertion in model container [2020-12-22 06:56:50,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:48" (2/3) ... [2020-12-22 06:56:50,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f4a9bb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:56:50, skipping insertion in model container [2020-12-22 06:56:50,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:50" (3/3) ... [2020-12-22 06:56:50,054 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product53.cil.c [2020-12-22 06:56:50,060 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:56:50,066 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:56:50,085 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:56:50,113 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:56:50,113 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:56:50,113 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:56:50,113 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:56:50,114 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:56:50,114 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:56:50,114 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:56:50,114 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:56:50,157 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states. [2020-12-22 06:56:50,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-22 06:56:50,164 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:50,165 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:50,165 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:50,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:50,173 INFO L82 PathProgramCache]: Analyzing trace with hash 2002794138, now seen corresponding path program 1 times [2020-12-22 06:56:50,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:50,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225598114] [2020-12-22 06:56:50,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:50,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:50,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:50,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225598114] [2020-12-22 06:56:50,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:50,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:56:50,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344500556] [2020-12-22 06:56:50,538 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:56:50,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:50,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:56:50,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:56:50,564 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 2 states. [2020-12-22 06:56:50,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:50,649 INFO L93 Difference]: Finished difference Result 372 states and 569 transitions. [2020-12-22 06:56:50,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:56:50,651 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-22 06:56:50,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:50,676 INFO L225 Difference]: With dead ends: 372 [2020-12-22 06:56:50,677 INFO L226 Difference]: Without dead ends: 185 [2020-12-22 06:56:50,682 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:56:50,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2020-12-22 06:56:50,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2020-12-22 06:56:50,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-12-22 06:56:50,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 276 transitions. [2020-12-22 06:56:50,768 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 276 transitions. Word has length 16 [2020-12-22 06:56:50,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:50,769 INFO L481 AbstractCegarLoop]: Abstraction has 185 states and 276 transitions. [2020-12-22 06:56:50,769 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:56:50,769 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 276 transitions. [2020-12-22 06:56:50,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 06:56:50,771 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:50,771 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:50,772 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:56:50,772 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:50,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:50,774 INFO L82 PathProgramCache]: Analyzing trace with hash 956037241, now seen corresponding path program 1 times [2020-12-22 06:56:50,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:50,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679232501] [2020-12-22 06:56:50,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:50,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:50,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:50,927 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679232501] [2020-12-22 06:56:50,927 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:50,927 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:56:50,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797229389] [2020-12-22 06:56:50,929 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:56:50,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:50,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:56:50,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:50,931 INFO L87 Difference]: Start difference. First operand 185 states and 276 transitions. Second operand 3 states. [2020-12-22 06:56:50,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:50,946 INFO L93 Difference]: Finished difference Result 185 states and 276 transitions. [2020-12-22 06:56:50,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:56:50,947 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-22 06:56:50,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:50,949 INFO L225 Difference]: With dead ends: 185 [2020-12-22 06:56:50,949 INFO L226 Difference]: Without dead ends: 71 [2020-12-22 06:56:50,951 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:50,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-12-22 06:56:50,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-12-22 06:56:50,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-12-22 06:56:50,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 105 transitions. [2020-12-22 06:56:50,958 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 105 transitions. Word has length 17 [2020-12-22 06:56:50,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:50,959 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 105 transitions. [2020-12-22 06:56:50,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:56:50,959 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2020-12-22 06:56:50,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-22 06:56:50,960 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:50,960 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:50,961 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:56:50,961 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:50,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:50,962 INFO L82 PathProgramCache]: Analyzing trace with hash 748559286, now seen corresponding path program 1 times [2020-12-22 06:56:50,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:50,962 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072933692] [2020-12-22 06:56:50,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:51,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:51,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:51,066 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072933692] [2020-12-22 06:56:51,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:51,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:56:51,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91262942] [2020-12-22 06:56:51,068 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:56:51,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:51,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:56:51,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:56:51,069 INFO L87 Difference]: Start difference. First operand 71 states and 105 transitions. Second operand 6 states. [2020-12-22 06:56:51,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:51,241 INFO L93 Difference]: Finished difference Result 136 states and 204 transitions. [2020-12-22 06:56:51,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:56:51,242 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-12-22 06:56:51,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:51,243 INFO L225 Difference]: With dead ends: 136 [2020-12-22 06:56:51,244 INFO L226 Difference]: Without dead ends: 71 [2020-12-22 06:56:51,244 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:56:51,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-12-22 06:56:51,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-12-22 06:56:51,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-12-22 06:56:51,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 104 transitions. [2020-12-22 06:56:51,253 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 104 transitions. Word has length 22 [2020-12-22 06:56:51,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:51,253 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 104 transitions. [2020-12-22 06:56:51,253 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:56:51,254 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 104 transitions. [2020-12-22 06:56:51,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 06:56:51,255 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:51,255 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:51,255 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:56:51,256 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:51,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:51,256 INFO L82 PathProgramCache]: Analyzing trace with hash -682519882, now seen corresponding path program 1 times [2020-12-22 06:56:51,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:51,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424818119] [2020-12-22 06:56:51,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:51,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:51,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:51,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424818119] [2020-12-22 06:56:51,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:51,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:56:51,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148018868] [2020-12-22 06:56:51,334 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:56:51,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:51,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:56:51,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:51,337 INFO L87 Difference]: Start difference. First operand 71 states and 104 transitions. Second operand 3 states. [2020-12-22 06:56:51,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:51,386 INFO L93 Difference]: Finished difference Result 145 states and 214 transitions. [2020-12-22 06:56:51,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:56:51,388 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-12-22 06:56:51,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:51,390 INFO L225 Difference]: With dead ends: 145 [2020-12-22 06:56:51,391 INFO L226 Difference]: Without dead ends: 80 [2020-12-22 06:56:51,393 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:51,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-12-22 06:56:51,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2020-12-22 06:56:51,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-12-22 06:56:51,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 110 transitions. [2020-12-22 06:56:51,416 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 110 transitions. Word has length 25 [2020-12-22 06:56:51,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:51,416 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 110 transitions. [2020-12-22 06:56:51,417 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:56:51,417 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 110 transitions. [2020-12-22 06:56:51,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-22 06:56:51,422 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:51,422 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:51,422 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:56:51,422 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:51,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:51,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1459548505, now seen corresponding path program 1 times [2020-12-22 06:56:51,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:51,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903212040] [2020-12-22 06:56:51,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:51,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:51,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:51,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903212040] [2020-12-22 06:56:51,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:51,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:56:51,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798195971] [2020-12-22 06:56:51,535 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:51,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:51,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:51,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:51,537 INFO L87 Difference]: Start difference. First operand 78 states and 110 transitions. Second operand 5 states. [2020-12-22 06:56:51,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:51,639 INFO L93 Difference]: Finished difference Result 204 states and 285 transitions. [2020-12-22 06:56:51,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:56:51,641 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-12-22 06:56:51,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:51,643 INFO L225 Difference]: With dead ends: 204 [2020-12-22 06:56:51,644 INFO L226 Difference]: Without dead ends: 132 [2020-12-22 06:56:51,645 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:56:51,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-12-22 06:56:51,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 87. [2020-12-22 06:56:51,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-12-22 06:56:51,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 119 transitions. [2020-12-22 06:56:51,657 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 119 transitions. Word has length 31 [2020-12-22 06:56:51,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:51,658 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 119 transitions. [2020-12-22 06:56:51,658 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:51,658 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2020-12-22 06:56:51,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-22 06:56:51,659 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:51,659 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:51,659 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:56:51,660 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:51,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:51,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1202962538, now seen corresponding path program 1 times [2020-12-22 06:56:51,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:51,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867212296] [2020-12-22 06:56:51,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:51,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:51,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:51,767 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867212296] [2020-12-22 06:56:51,768 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:51,768 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:56:51,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334708905] [2020-12-22 06:56:51,769 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:51,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:51,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:51,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:51,771 INFO L87 Difference]: Start difference. First operand 87 states and 119 transitions. Second operand 5 states. [2020-12-22 06:56:51,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:51,866 INFO L93 Difference]: Finished difference Result 300 states and 417 transitions. [2020-12-22 06:56:51,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:56:51,868 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-12-22 06:56:51,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:51,869 INFO L225 Difference]: With dead ends: 300 [2020-12-22 06:56:51,870 INFO L226 Difference]: Without dead ends: 219 [2020-12-22 06:56:51,872 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:56:51,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2020-12-22 06:56:51,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 131. [2020-12-22 06:56:51,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-12-22 06:56:51,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 176 transitions. [2020-12-22 06:56:51,892 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 176 transitions. Word has length 31 [2020-12-22 06:56:51,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:51,916 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 176 transitions. [2020-12-22 06:56:51,916 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:51,916 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 176 transitions. [2020-12-22 06:56:51,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-22 06:56:51,917 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:51,918 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:51,921 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:56:51,921 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:51,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:51,922 INFO L82 PathProgramCache]: Analyzing trace with hash -909797332, now seen corresponding path program 1 times [2020-12-22 06:56:51,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:51,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133799257] [2020-12-22 06:56:51,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:51,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:51,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:51,995 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133799257] [2020-12-22 06:56:51,995 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:51,995 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:56:51,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418942302] [2020-12-22 06:56:51,997 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:56:51,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:51,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:56:51,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:56:51,998 INFO L87 Difference]: Start difference. First operand 131 states and 176 transitions. Second operand 4 states. [2020-12-22 06:56:52,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:52,104 INFO L93 Difference]: Finished difference Result 278 states and 379 transitions. [2020-12-22 06:56:52,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:56:52,104 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-12-22 06:56:52,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:52,107 INFO L225 Difference]: With dead ends: 278 [2020-12-22 06:56:52,107 INFO L226 Difference]: Without dead ends: 197 [2020-12-22 06:56:52,109 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:56:52,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-12-22 06:56:52,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 194. [2020-12-22 06:56:52,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2020-12-22 06:56:52,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 260 transitions. [2020-12-22 06:56:52,124 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 260 transitions. Word has length 32 [2020-12-22 06:56:52,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:52,124 INFO L481 AbstractCegarLoop]: Abstraction has 194 states and 260 transitions. [2020-12-22 06:56:52,124 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:56:52,125 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 260 transitions. [2020-12-22 06:56:52,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-22 06:56:52,126 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:52,126 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:52,126 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:56:52,126 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:52,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:52,127 INFO L82 PathProgramCache]: Analyzing trace with hash -651631894, now seen corresponding path program 1 times [2020-12-22 06:56:52,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:52,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014530161] [2020-12-22 06:56:52,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:52,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:52,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:52,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014530161] [2020-12-22 06:56:52,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:52,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:56:52,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386770547] [2020-12-22 06:56:52,199 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:56:52,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:52,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:56:52,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:56:52,200 INFO L87 Difference]: Start difference. First operand 194 states and 260 transitions. Second operand 4 states. [2020-12-22 06:56:52,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:52,270 INFO L93 Difference]: Finished difference Result 456 states and 623 transitions. [2020-12-22 06:56:52,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:56:52,271 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-12-22 06:56:52,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:52,273 INFO L225 Difference]: With dead ends: 456 [2020-12-22 06:56:52,273 INFO L226 Difference]: Without dead ends: 311 [2020-12-22 06:56:52,274 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:52,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2020-12-22 06:56:52,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 185. [2020-12-22 06:56:52,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-12-22 06:56:52,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 248 transitions. [2020-12-22 06:56:52,297 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 248 transitions. Word has length 32 [2020-12-22 06:56:52,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:52,298 INFO L481 AbstractCegarLoop]: Abstraction has 185 states and 248 transitions. [2020-12-22 06:56:52,298 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:56:52,299 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 248 transitions. [2020-12-22 06:56:52,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-22 06:56:52,302 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:52,302 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:52,302 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:56:52,303 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:52,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:52,304 INFO L82 PathProgramCache]: Analyzing trace with hash 587797349, now seen corresponding path program 1 times [2020-12-22 06:56:52,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:52,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176306141] [2020-12-22 06:56:52,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:52,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:52,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:52,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176306141] [2020-12-22 06:56:52,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:52,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:56:52,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623222210] [2020-12-22 06:56:52,388 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:52,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:52,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:52,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:52,391 INFO L87 Difference]: Start difference. First operand 185 states and 248 transitions. Second operand 5 states. [2020-12-22 06:56:52,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:52,568 INFO L93 Difference]: Finished difference Result 418 states and 565 transitions. [2020-12-22 06:56:52,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:56:52,568 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-12-22 06:56:52,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:52,570 INFO L225 Difference]: With dead ends: 418 [2020-12-22 06:56:52,570 INFO L226 Difference]: Without dead ends: 282 [2020-12-22 06:56:52,571 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:56:52,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-12-22 06:56:52,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 181. [2020-12-22 06:56:52,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-12-22 06:56:52,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 240 transitions. [2020-12-22 06:56:52,591 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 240 transitions. Word has length 32 [2020-12-22 06:56:52,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:52,593 INFO L481 AbstractCegarLoop]: Abstraction has 181 states and 240 transitions. [2020-12-22 06:56:52,593 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:52,593 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 240 transitions. [2020-12-22 06:56:52,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-22 06:56:52,594 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:52,595 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:52,595 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:56:52,595 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:52,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:52,596 INFO L82 PathProgramCache]: Analyzing trace with hash -568007825, now seen corresponding path program 1 times [2020-12-22 06:56:52,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:52,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508478325] [2020-12-22 06:56:52,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:52,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:52,693 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 06:56:52,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508478325] [2020-12-22 06:56:52,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:52,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:56:52,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523117555] [2020-12-22 06:56:52,696 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:56:52,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:52,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:56:52,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:56:52,697 INFO L87 Difference]: Start difference. First operand 181 states and 240 transitions. Second operand 6 states. [2020-12-22 06:56:52,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:52,786 INFO L93 Difference]: Finished difference Result 379 states and 503 transitions. [2020-12-22 06:56:52,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:56:52,790 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2020-12-22 06:56:52,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:52,793 INFO L225 Difference]: With dead ends: 379 [2020-12-22 06:56:52,794 INFO L226 Difference]: Without dead ends: 204 [2020-12-22 06:56:52,794 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:56:52,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2020-12-22 06:56:52,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 154. [2020-12-22 06:56:52,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-12-22 06:56:52,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 199 transitions. [2020-12-22 06:56:52,834 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 199 transitions. Word has length 49 [2020-12-22 06:56:52,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:52,834 INFO L481 AbstractCegarLoop]: Abstraction has 154 states and 199 transitions. [2020-12-22 06:56:52,834 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:56:52,834 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 199 transitions. [2020-12-22 06:56:52,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-22 06:56:52,835 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:52,835 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:52,836 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 06:56:52,836 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:52,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:52,836 INFO L82 PathProgramCache]: Analyzing trace with hash 1384539631, now seen corresponding path program 1 times [2020-12-22 06:56:52,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:52,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945784871] [2020-12-22 06:56:52,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:52,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:52,929 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-22 06:56:52,930 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945784871] [2020-12-22 06:56:52,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:52,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:56:52,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777846608] [2020-12-22 06:56:52,931 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:56:52,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:52,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:56:52,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:56:52,934 INFO L87 Difference]: Start difference. First operand 154 states and 199 transitions. Second operand 6 states. [2020-12-22 06:56:53,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:53,070 INFO L93 Difference]: Finished difference Result 742 states and 977 transitions. [2020-12-22 06:56:53,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-22 06:56:53,070 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-12-22 06:56:53,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:53,074 INFO L225 Difference]: With dead ends: 742 [2020-12-22 06:56:53,074 INFO L226 Difference]: Without dead ends: 594 [2020-12-22 06:56:53,075 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2020-12-22 06:56:53,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2020-12-22 06:56:53,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 300. [2020-12-22 06:56:53,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2020-12-22 06:56:53,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 385 transitions. [2020-12-22 06:56:53,107 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 385 transitions. Word has length 50 [2020-12-22 06:56:53,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:53,108 INFO L481 AbstractCegarLoop]: Abstraction has 300 states and 385 transitions. [2020-12-22 06:56:53,108 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:56:53,108 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 385 transitions. [2020-12-22 06:56:53,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-22 06:56:53,109 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:53,110 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] [2020-12-22 06:56:53,110 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 06:56:53,110 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:53,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:53,111 INFO L82 PathProgramCache]: Analyzing trace with hash -1234394969, now seen corresponding path program 1 times [2020-12-22 06:56:53,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:53,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090689942] [2020-12-22 06:56:53,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:53,188 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-22 06:56:53,188 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090689942] [2020-12-22 06:56:53,188 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:53,189 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:56:53,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478330441] [2020-12-22 06:56:53,190 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:53,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:53,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:53,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:53,191 INFO L87 Difference]: Start difference. First operand 300 states and 385 transitions. Second operand 5 states. [2020-12-22 06:56:53,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:53,394 INFO L93 Difference]: Finished difference Result 780 states and 1006 transitions. [2020-12-22 06:56:53,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:56:53,394 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-12-22 06:56:53,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:53,399 INFO L225 Difference]: With dead ends: 780 [2020-12-22 06:56:53,400 INFO L226 Difference]: Without dead ends: 778 [2020-12-22 06:56:53,400 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:56:53,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2020-12-22 06:56:53,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 300. [2020-12-22 06:56:53,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2020-12-22 06:56:53,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 383 transitions. [2020-12-22 06:56:53,460 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 383 transitions. Word has length 51 [2020-12-22 06:56:53,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:53,461 INFO L481 AbstractCegarLoop]: Abstraction has 300 states and 383 transitions. [2020-12-22 06:56:53,462 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:53,462 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 383 transitions. [2020-12-22 06:56:53,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-22 06:56:53,463 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:53,463 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:53,463 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 06:56:53,463 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:53,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:53,464 INFO L82 PathProgramCache]: Analyzing trace with hash 1017395360, now seen corresponding path program 1 times [2020-12-22 06:56:53,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:53,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256751612] [2020-12-22 06:56:53,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:53,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:53,560 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:53,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256751612] [2020-12-22 06:56:53,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366575251] [2020-12-22 06:56:53,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:56:53,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:53,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-22 06:56:53,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:56:53,842 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:53,843 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:56:53,843 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2020-12-22 06:56:53,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653356143] [2020-12-22 06:56:53,849 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:56:53,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:53,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:56:53,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:56:53,850 INFO L87 Difference]: Start difference. First operand 300 states and 383 transitions. Second operand 6 states. [2020-12-22 06:56:54,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:54,129 INFO L93 Difference]: Finished difference Result 968 states and 1254 transitions. [2020-12-22 06:56:54,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:56:54,129 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2020-12-22 06:56:54,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:54,133 INFO L225 Difference]: With dead ends: 968 [2020-12-22 06:56:54,133 INFO L226 Difference]: Without dead ends: 724 [2020-12-22 06:56:54,134 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-12-22 06:56:54,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2020-12-22 06:56:54,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 432. [2020-12-22 06:56:54,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2020-12-22 06:56:54,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 556 transitions. [2020-12-22 06:56:54,217 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 556 transitions. Word has length 57 [2020-12-22 06:56:54,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:54,218 INFO L481 AbstractCegarLoop]: Abstraction has 432 states and 556 transitions. [2020-12-22 06:56:54,218 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:56:54,218 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 556 transitions. [2020-12-22 06:56:54,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-22 06:56:54,219 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:54,220 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-22 06:56:54,433 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-12-22 06:56:54,434 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:54,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:54,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1837292485, now seen corresponding path program 2 times [2020-12-22 06:56:54,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:54,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188801537] [2020-12-22 06:56:54,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:54,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:54,573 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-22 06:56:54,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188801537] [2020-12-22 06:56:54,573 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:54,574 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:56:54,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979800635] [2020-12-22 06:56:54,574 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:54,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:54,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:54,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:54,576 INFO L87 Difference]: Start difference. First operand 432 states and 556 transitions. Second operand 5 states. [2020-12-22 06:56:55,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:55,050 INFO L93 Difference]: Finished difference Result 1334 states and 1736 transitions. [2020-12-22 06:56:55,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:56:55,050 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-12-22 06:56:55,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:55,055 INFO L225 Difference]: With dead ends: 1334 [2020-12-22 06:56:55,055 INFO L226 Difference]: Without dead ends: 956 [2020-12-22 06:56:55,056 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:56:55,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 956 states. [2020-12-22 06:56:55,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 956 to 608. [2020-12-22 06:56:55,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 608 states. [2020-12-22 06:56:55,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 775 transitions. [2020-12-22 06:56:55,150 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 775 transitions. Word has length 82 [2020-12-22 06:56:55,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:55,150 INFO L481 AbstractCegarLoop]: Abstraction has 608 states and 775 transitions. [2020-12-22 06:56:55,150 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:55,150 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 775 transitions. [2020-12-22 06:56:55,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-22 06:56:55,152 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:55,152 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-22 06:56:55,154 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-22 06:56:55,155 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:55,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:55,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1442925699, now seen corresponding path program 1 times [2020-12-22 06:56:55,156 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:55,156 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187650284] [2020-12-22 06:56:55,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:55,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:55,265 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-22 06:56:55,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187650284] [2020-12-22 06:56:55,266 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:55,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:56:55,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665687677] [2020-12-22 06:56:55,269 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:55,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:55,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:55,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:55,270 INFO L87 Difference]: Start difference. First operand 608 states and 775 transitions. Second operand 5 states. [2020-12-22 06:56:55,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:55,389 INFO L93 Difference]: Finished difference Result 1092 states and 1384 transitions. [2020-12-22 06:56:55,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:56:55,390 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-12-22 06:56:55,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:55,390 INFO L225 Difference]: With dead ends: 1092 [2020-12-22 06:56:55,390 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:56:55,394 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:56:55,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:56:55,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:56:55,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:56:55,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:56:55,395 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2020-12-22 06:56:55,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:55,395 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:56:55,395 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:55,395 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:56:55,395 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:56:55,395 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-22 06:56:55,397 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:56:56,069 WARN L197 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 184 [2020-12-22 06:56:56,372 WARN L197 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 109 [2020-12-22 06:56:56,826 WARN L197 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 151 [2020-12-22 06:56:57,243 WARN L197 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 153 [2020-12-22 06:56:57,654 WARN L197 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 173 [2020-12-22 06:56:57,844 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 110 [2020-12-22 06:56:58,032 WARN L197 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 119 [2020-12-22 06:56:58,216 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 114 [2020-12-22 06:56:59,362 WARN L197 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 176 DAG size of output: 22 [2020-12-22 06:56:59,705 WARN L197 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 30 [2020-12-22 06:56:59,836 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 25 [2020-12-22 06:57:00,613 WARN L197 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 19 [2020-12-22 06:57:00,873 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 15 [2020-12-22 06:57:01,500 WARN L197 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 27 [2020-12-22 06:57:02,567 WARN L197 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 165 DAG size of output: 35 [2020-12-22 06:57:02,919 WARN L197 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 27 [2020-12-22 06:57:03,348 WARN L197 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 28 [2020-12-22 06:57:03,772 WARN L197 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 38 [2020-12-22 06:57:04,025 WARN L197 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 35 [2020-12-22 06:57:04,464 WARN L197 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 33 [2020-12-22 06:57:04,501 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 752) no Hoare annotation was computed. [2020-12-22 06:57:04,501 INFO L189 CegarLoopUtils]: For program point L432(lines 432 438) no Hoare annotation was computed. [2020-12-22 06:57:04,502 INFO L185 CegarLoopUtils]: At program point L432-1(lines 432 438) the Hoare annotation is: (let ((.cse5 (= ULTIMATE.start_main_~tmp~10 1)) (.cse7 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse3 .cse4) (and .cse5 .cse1 (= ~methaneLevelCritical~0 0) .cse6 .cse3 .cse7 .cse4) (and .cse5 .cse1 .cse6 .cse3 .cse7 .cse4 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9)) (and .cse0 .cse1 .cse2 .cse6 .cse3 .cse4))) [2020-12-22 06:57:04,502 INFO L185 CegarLoopUtils]: At program point L631(lines 626 634) the Hoare annotation is: false [2020-12-22 06:57:04,502 INFO L185 CegarLoopUtils]: At program point L631-1(lines 626 634) the Hoare annotation is: false [2020-12-22 06:57:04,502 INFO L185 CegarLoopUtils]: At program point L631-2(lines 626 634) the Hoare annotation is: false [2020-12-22 06:57:04,502 INFO L189 CegarLoopUtils]: For program point L764(lines 764 768) no Hoare annotation was computed. [2020-12-22 06:57:04,503 INFO L189 CegarLoopUtils]: For program point L764-3(lines 764 768) no Hoare annotation was computed. [2020-12-22 06:57:04,503 INFO L189 CegarLoopUtils]: For program point L764-6(lines 764 768) no Hoare annotation was computed. [2020-12-22 06:57:04,503 INFO L189 CegarLoopUtils]: For program point L699(lines 699 703) no Hoare annotation was computed. [2020-12-22 06:57:04,503 INFO L189 CegarLoopUtils]: For program point L699-2(lines 699 703) no Hoare annotation was computed. [2020-12-22 06:57:04,503 INFO L189 CegarLoopUtils]: For program point L699-3(lines 699 703) no Hoare annotation was computed. [2020-12-22 06:57:04,504 INFO L189 CegarLoopUtils]: For program point L699-5(lines 699 703) no Hoare annotation was computed. [2020-12-22 06:57:04,504 INFO L185 CegarLoopUtils]: At program point L501(lines 501 507) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 (<= 1 ~waterLevel~0) .cse3) (and .cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse1 (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse2 .cse3))) [2020-12-22 06:57:04,504 INFO L189 CegarLoopUtils]: For program point L699-6(lines 699 703) no Hoare annotation was computed. [2020-12-22 06:57:04,504 INFO L185 CegarLoopUtils]: At program point L468(lines 421 469) the Hoare annotation is: false [2020-12-22 06:57:04,504 INFO L185 CegarLoopUtils]: At program point L501-1(lines 501 507) the Hoare annotation is: false [2020-12-22 06:57:04,504 INFO L189 CegarLoopUtils]: For program point L699-8(lines 699 703) no Hoare annotation was computed. [2020-12-22 06:57:04,505 INFO L185 CegarLoopUtils]: At program point L501-2(lines 501 507) the Hoare annotation is: false [2020-12-22 06:57:04,505 INFO L189 CegarLoopUtils]: For program point L699-9(lines 699 703) no Hoare annotation was computed. [2020-12-22 06:57:04,505 INFO L189 CegarLoopUtils]: For program point L699-11(lines 699 703) no Hoare annotation was computed. [2020-12-22 06:57:04,505 INFO L189 CegarLoopUtils]: For program point L699-12(lines 699 703) no Hoare annotation was computed. [2020-12-22 06:57:04,505 INFO L189 CegarLoopUtils]: For program point L699-14(lines 699 703) no Hoare annotation was computed. [2020-12-22 06:57:04,505 INFO L189 CegarLoopUtils]: For program point L699-15(lines 699 703) no Hoare annotation was computed. [2020-12-22 06:57:04,505 INFO L189 CegarLoopUtils]: For program point L699-17(lines 699 703) no Hoare annotation was computed. [2020-12-22 06:57:04,505 INFO L185 CegarLoopUtils]: At program point L898-2(lines 898 912) the Hoare annotation is: false [2020-12-22 06:57:04,506 INFO L189 CegarLoopUtils]: For program point L899(line 899) no Hoare annotation was computed. [2020-12-22 06:57:04,506 INFO L185 CegarLoopUtils]: At program point L833(lines 828 836) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ULTIMATE.start_main_~tmp~10 1) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse1 .cse2) (and (= ULTIMATE.start_main_~tmp~10 ~systemActive~0) .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)))) [2020-12-22 06:57:04,506 INFO L185 CegarLoopUtils]: At program point L833-1(lines 828 836) the Hoare annotation is: false [2020-12-22 06:57:04,506 INFO L185 CegarLoopUtils]: At program point L833-2(lines 828 836) the Hoare annotation is: false [2020-12-22 06:57:04,506 INFO L185 CegarLoopUtils]: At program point L801(lines 796 804) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~10 1) (= 1 ~systemActive~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:04,506 INFO L185 CegarLoopUtils]: At program point L801-1(lines 796 804) the Hoare annotation is: false [2020-12-22 06:57:04,507 INFO L185 CegarLoopUtils]: At program point L735(lines 1 981) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:04,507 INFO L185 CegarLoopUtils]: At program point L801-2(lines 796 804) the Hoare annotation is: false [2020-12-22 06:57:04,507 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 752) no Hoare annotation was computed. [2020-12-22 06:57:04,507 INFO L189 CegarLoopUtils]: For program point L902(lines 902 906) no Hoare annotation was computed. [2020-12-22 06:57:04,507 INFO L189 CegarLoopUtils]: For program point L869(lines 869 882) no Hoare annotation was computed. [2020-12-22 06:57:04,507 INFO L189 CegarLoopUtils]: For program point L902-1(lines 494 500) no Hoare annotation was computed. [2020-12-22 06:57:04,507 INFO L185 CegarLoopUtils]: At program point L869-1(lines 1 981) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~waterLevel~0 1) .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4) (and (= ULTIMATE.start_main_~tmp~10 ~systemActive~0) .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9)) (and .cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse3 (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9) .cse4))) [2020-12-22 06:57:04,508 INFO L189 CegarLoopUtils]: For program point L869-2(lines 869 882) no Hoare annotation was computed. [2020-12-22 06:57:04,508 INFO L185 CegarLoopUtils]: At program point L869-3(lines 1 981) the Hoare annotation is: false [2020-12-22 06:57:04,508 INFO L189 CegarLoopUtils]: For program point L869-4(lines 869 882) no Hoare annotation was computed. [2020-12-22 06:57:04,508 INFO L185 CegarLoopUtils]: At program point L869-5(lines 1 981) the Hoare annotation is: false [2020-12-22 06:57:04,508 INFO L189 CegarLoopUtils]: For program point L969(lines 969 976) no Hoare annotation was computed. [2020-12-22 06:57:04,508 INFO L192 CegarLoopUtils]: At program point L969-1(lines 969 976) the Hoare annotation is: true [2020-12-22 06:57:04,508 INFO L185 CegarLoopUtils]: At program point L705(lines 690 708) the Hoare annotation is: (and (= ULTIMATE.start_processEnvironment_~tmp~6 0) (= |ULTIMATE.start_isLowWaterLevel_#res| 1) (= ULTIMATE.start_main_~tmp~10 1) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 1) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_isLowWaterLevel_~tmp~8 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:04,508 INFO L185 CegarLoopUtils]: At program point L705-1(lines 690 708) the Hoare annotation is: false [2020-12-22 06:57:04,509 INFO L185 CegarLoopUtils]: At program point L705-2(lines 690 708) the Hoare annotation is: false [2020-12-22 06:57:04,509 INFO L185 CegarLoopUtils]: At program point L705-3(lines 690 708) the Hoare annotation is: false [2020-12-22 06:57:04,509 INFO L185 CegarLoopUtils]: At program point L705-4(lines 690 708) the Hoare annotation is: false [2020-12-22 06:57:04,509 INFO L185 CegarLoopUtils]: At program point L705-5(lines 690 708) the Hoare annotation is: false [2020-12-22 06:57:04,509 INFO L189 CegarLoopUtils]: For program point L442(lines 442 448) no Hoare annotation was computed. [2020-12-22 06:57:04,509 INFO L185 CegarLoopUtils]: At program point L442-1(lines 442 448) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 (<= 1 ~waterLevel~0) .cse3) (and .cse0 .cse1 (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse2 .cse3))) [2020-12-22 06:57:04,509 INFO L189 CegarLoopUtils]: For program point L873(lines 873 879) no Hoare annotation was computed. [2020-12-22 06:57:04,510 INFO L189 CegarLoopUtils]: For program point L873-2(lines 873 879) no Hoare annotation was computed. [2020-12-22 06:57:04,510 INFO L189 CegarLoopUtils]: For program point L873-4(lines 873 879) no Hoare annotation was computed. [2020-12-22 06:57:04,510 INFO L189 CegarLoopUtils]: For program point L841(lines 841 847) no Hoare annotation was computed. [2020-12-22 06:57:04,510 INFO L189 CegarLoopUtils]: For program point L841-1(lines 841 847) no Hoare annotation was computed. [2020-12-22 06:57:04,510 INFO L189 CegarLoopUtils]: For program point L841-2(lines 841 847) no Hoare annotation was computed. [2020-12-22 06:57:04,510 INFO L189 CegarLoopUtils]: For program point L841-3(lines 841 847) no Hoare annotation was computed. [2020-12-22 06:57:04,510 INFO L189 CegarLoopUtils]: For program point L841-4(lines 841 847) no Hoare annotation was computed. [2020-12-22 06:57:04,510 INFO L189 CegarLoopUtils]: For program point L841-5(lines 841 847) no Hoare annotation was computed. [2020-12-22 06:57:04,511 INFO L189 CegarLoopUtils]: For program point L841-6(lines 841 847) no Hoare annotation was computed. [2020-12-22 06:57:04,511 INFO L189 CegarLoopUtils]: For program point L841-7(lines 841 847) no Hoare annotation was computed. [2020-12-22 06:57:04,511 INFO L189 CegarLoopUtils]: For program point L841-8(lines 841 847) no Hoare annotation was computed. [2020-12-22 06:57:04,511 INFO L189 CegarLoopUtils]: For program point L841-9(lines 841 847) no Hoare annotation was computed. [2020-12-22 06:57:04,511 INFO L189 CegarLoopUtils]: For program point L841-10(lines 841 847) no Hoare annotation was computed. [2020-12-22 06:57:04,511 INFO L189 CegarLoopUtils]: For program point L841-11(lines 841 847) no Hoare annotation was computed. [2020-12-22 06:57:04,511 INFO L189 CegarLoopUtils]: For program point L776(lines 776 780) no Hoare annotation was computed. [2020-12-22 06:57:04,511 INFO L185 CegarLoopUtils]: At program point L743(lines 738 746) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:04,512 INFO L189 CegarLoopUtils]: For program point L578(lines 578 595) no Hoare annotation was computed. [2020-12-22 06:57:04,512 INFO L189 CegarLoopUtils]: For program point L578-1(lines 578 595) no Hoare annotation was computed. [2020-12-22 06:57:04,512 INFO L189 CegarLoopUtils]: For program point L578-2(lines 578 595) no Hoare annotation was computed. [2020-12-22 06:57:04,512 INFO L189 CegarLoopUtils]: For program point L680(lines 680 684) no Hoare annotation was computed. [2020-12-22 06:57:04,512 INFO L189 CegarLoopUtils]: For program point L680-2(lines 680 684) no Hoare annotation was computed. [2020-12-22 06:57:04,512 INFO L189 CegarLoopUtils]: For program point L680-3(lines 680 684) no Hoare annotation was computed. [2020-12-22 06:57:04,512 INFO L189 CegarLoopUtils]: For program point L680-5(lines 680 684) no Hoare annotation was computed. [2020-12-22 06:57:04,512 INFO L189 CegarLoopUtils]: For program point L680-6(lines 680 684) no Hoare annotation was computed. [2020-12-22 06:57:04,512 INFO L189 CegarLoopUtils]: For program point L680-8(lines 680 684) no Hoare annotation was computed. [2020-12-22 06:57:04,512 INFO L189 CegarLoopUtils]: For program point L680-9(lines 680 684) no Hoare annotation was computed. [2020-12-22 06:57:04,513 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:57:04,513 INFO L189 CegarLoopUtils]: For program point L680-11(lines 680 684) no Hoare annotation was computed. [2020-12-22 06:57:04,513 INFO L189 CegarLoopUtils]: For program point L680-12(lines 680 684) no Hoare annotation was computed. [2020-12-22 06:57:04,513 INFO L189 CegarLoopUtils]: For program point L680-14(lines 680 684) no Hoare annotation was computed. [2020-12-22 06:57:04,513 INFO L189 CegarLoopUtils]: For program point L680-15(lines 680 684) no Hoare annotation was computed. [2020-12-22 06:57:04,513 INFO L189 CegarLoopUtils]: For program point L680-17(lines 680 684) no Hoare annotation was computed. [2020-12-22 06:57:04,513 INFO L189 CegarLoopUtils]: For program point L680-18(lines 680 684) no Hoare annotation was computed. [2020-12-22 06:57:04,513 INFO L189 CegarLoopUtils]: For program point L680-20(lines 680 684) no Hoare annotation was computed. [2020-12-22 06:57:04,513 INFO L189 CegarLoopUtils]: For program point L680-21(lines 680 684) no Hoare annotation was computed. [2020-12-22 06:57:04,513 INFO L192 CegarLoopUtils]: At program point L978(lines 959 981) the Hoare annotation is: true [2020-12-22 06:57:04,514 INFO L189 CegarLoopUtils]: For program point L680-23(lines 680 684) no Hoare annotation was computed. [2020-12-22 06:57:04,514 INFO L189 CegarLoopUtils]: For program point L680-24(lines 680 684) no Hoare annotation was computed. [2020-12-22 06:57:04,514 INFO L185 CegarLoopUtils]: At program point L846(lines 837 850) the Hoare annotation is: false [2020-12-22 06:57:04,514 INFO L189 CegarLoopUtils]: For program point L680-26(lines 680 684) no Hoare annotation was computed. [2020-12-22 06:57:04,514 INFO L185 CegarLoopUtils]: At program point L846-1(lines 837 850) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_processEnvironment_~tmp~6 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (= ULTIMATE.start_main_~tmp~10 1) .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4) (and .cse0 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0) .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4))) [2020-12-22 06:57:04,514 INFO L189 CegarLoopUtils]: For program point L680-27(lines 680 684) no Hoare annotation was computed. [2020-12-22 06:57:04,514 INFO L185 CegarLoopUtils]: At program point L846-2(lines 837 850) the Hoare annotation is: false [2020-12-22 06:57:04,515 INFO L185 CegarLoopUtils]: At program point L846-3(lines 837 850) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ULTIMATE.start_main_~tmp~10 ~systemActive~0) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (= ULTIMATE.start_main_~tmp~10 1) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3))) [2020-12-22 06:57:04,515 INFO L189 CegarLoopUtils]: For program point L680-29(lines 680 684) no Hoare annotation was computed. [2020-12-22 06:57:04,515 INFO L185 CegarLoopUtils]: At program point L846-4(lines 837 850) the Hoare annotation is: false [2020-12-22 06:57:04,515 INFO L189 CegarLoopUtils]: For program point L680-30(lines 680 684) no Hoare annotation was computed. [2020-12-22 06:57:04,515 INFO L185 CegarLoopUtils]: At program point L846-5(lines 837 850) the Hoare annotation is: false [2020-12-22 06:57:04,515 INFO L185 CegarLoopUtils]: At program point L846-6(lines 837 850) the Hoare annotation is: false [2020-12-22 06:57:04,515 INFO L189 CegarLoopUtils]: For program point L680-32(lines 680 684) no Hoare annotation was computed. [2020-12-22 06:57:04,515 INFO L185 CegarLoopUtils]: At program point L846-7(lines 837 850) the Hoare annotation is: false [2020-12-22 06:57:04,515 INFO L189 CegarLoopUtils]: For program point L680-33(lines 680 684) no Hoare annotation was computed. [2020-12-22 06:57:04,516 INFO L189 CegarLoopUtils]: For program point L582(lines 582 590) no Hoare annotation was computed. [2020-12-22 06:57:04,516 INFO L185 CegarLoopUtils]: At program point L846-8(lines 837 850) the Hoare annotation is: false [2020-12-22 06:57:04,516 INFO L189 CegarLoopUtils]: For program point L582-1(lines 582 590) no Hoare annotation was computed. [2020-12-22 06:57:04,516 INFO L185 CegarLoopUtils]: At program point L846-9(lines 837 850) the Hoare annotation is: false [2020-12-22 06:57:04,516 INFO L189 CegarLoopUtils]: For program point L680-35(lines 680 684) no Hoare annotation was computed. [2020-12-22 06:57:04,516 INFO L189 CegarLoopUtils]: For program point L582-2(lines 582 590) no Hoare annotation was computed. [2020-12-22 06:57:04,516 INFO L185 CegarLoopUtils]: At program point L846-10(lines 837 850) the Hoare annotation is: false [2020-12-22 06:57:04,517 INFO L185 CegarLoopUtils]: At program point L846-11(lines 837 850) the Hoare annotation is: false [2020-12-22 06:57:04,517 INFO L185 CegarLoopUtils]: At program point L946(lines 942 948) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~10 1) (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:04,517 INFO L189 CegarLoopUtils]: For program point L452(lines 452 463) no Hoare annotation was computed. [2020-12-22 06:57:04,517 INFO L189 CegarLoopUtils]: For program point L552(lines 552 569) no Hoare annotation was computed. [2020-12-22 06:57:04,517 INFO L189 CegarLoopUtils]: For program point L552-1(lines 552 569) no Hoare annotation was computed. [2020-12-22 06:57:04,517 INFO L189 CegarLoopUtils]: For program point L552-2(lines 552 569) no Hoare annotation was computed. [2020-12-22 06:57:04,517 INFO L189 CegarLoopUtils]: For program point L552-3(lines 552 569) no Hoare annotation was computed. [2020-12-22 06:57:04,518 INFO L189 CegarLoopUtils]: For program point L552-4(lines 552 569) no Hoare annotation was computed. [2020-12-22 06:57:04,518 INFO L189 CegarLoopUtils]: For program point L552-5(lines 552 569) no Hoare annotation was computed. [2020-12-22 06:57:04,518 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:57:04,518 INFO L189 CegarLoopUtils]: For program point L752(line 752) no Hoare annotation was computed. [2020-12-22 06:57:04,518 INFO L189 CegarLoopUtils]: For program point L752-1(line 752) no Hoare annotation was computed. [2020-12-22 06:57:04,518 INFO L185 CegarLoopUtils]: At program point L686(lines 671 689) the Hoare annotation is: false [2020-12-22 06:57:04,518 INFO L189 CegarLoopUtils]: For program point L752-2(line 752) no Hoare annotation was computed. [2020-12-22 06:57:04,518 INFO L185 CegarLoopUtils]: At program point L686-1(lines 671 689) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_processEnvironment_~tmp~6 0)) (.cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (not .cse1) (= ULTIMATE.start_main_~tmp~10 1) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (not .cse2) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse3 .cse4 (<= 1 ~waterLevel~0) .cse5) (and .cse0 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0) .cse1 (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2020-12-22 06:57:04,519 INFO L185 CegarLoopUtils]: At program point L686-2(lines 671 689) the Hoare annotation is: false [2020-12-22 06:57:04,519 INFO L185 CegarLoopUtils]: At program point L686-3(lines 671 689) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ULTIMATE.start_main_~tmp~10 ~systemActive~0) .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and (not .cse0) (= ULTIMATE.start_main_~tmp~10 1) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse1 (not .cse3) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse4 (<= 1 ~waterLevel~0) .cse5))) [2020-12-22 06:57:04,519 INFO L185 CegarLoopUtils]: At program point L686-4(lines 671 689) the Hoare annotation is: false [2020-12-22 06:57:04,519 INFO L185 CegarLoopUtils]: At program point L686-5(lines 671 689) the Hoare annotation is: false [2020-12-22 06:57:04,519 INFO L185 CegarLoopUtils]: At program point L686-6(lines 671 689) the Hoare annotation is: false [2020-12-22 06:57:04,519 INFO L185 CegarLoopUtils]: At program point L686-7(lines 671 689) the Hoare annotation is: false [2020-12-22 06:57:04,519 INFO L185 CegarLoopUtils]: At program point L686-8(lines 671 689) the Hoare annotation is: false [2020-12-22 06:57:04,519 INFO L185 CegarLoopUtils]: At program point L686-9(lines 671 689) the Hoare annotation is: false [2020-12-22 06:57:04,520 INFO L185 CegarLoopUtils]: At program point L686-10(lines 671 689) the Hoare annotation is: false [2020-12-22 06:57:04,520 INFO L185 CegarLoopUtils]: At program point L686-11(lines 671 689) the Hoare annotation is: false [2020-12-22 06:57:04,520 INFO L189 CegarLoopUtils]: For program point L423(lines 422 467) no Hoare annotation was computed. [2020-12-22 06:57:04,520 INFO L185 CegarLoopUtils]: At program point L622(lines 615 625) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~10 1) (= 1 ~systemActive~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:04,520 INFO L185 CegarLoopUtils]: At program point L622-1(lines 615 625) the Hoare annotation is: false [2020-12-22 06:57:04,520 INFO L189 CegarLoopUtils]: For program point L556(lines 556 564) no Hoare annotation was computed. [2020-12-22 06:57:04,520 INFO L185 CegarLoopUtils]: At program point L622-2(lines 615 625) the Hoare annotation is: false [2020-12-22 06:57:04,520 INFO L189 CegarLoopUtils]: For program point L556-1(lines 556 564) no Hoare annotation was computed. [2020-12-22 06:57:04,521 INFO L189 CegarLoopUtils]: For program point L556-2(lines 556 564) no Hoare annotation was computed. [2020-12-22 06:57:04,521 INFO L189 CegarLoopUtils]: For program point L556-3(lines 556 564) no Hoare annotation was computed. [2020-12-22 06:57:04,521 INFO L189 CegarLoopUtils]: For program point L424(lines 424 428) no Hoare annotation was computed. [2020-12-22 06:57:04,521 INFO L189 CegarLoopUtils]: For program point L556-4(lines 556 564) no Hoare annotation was computed. [2020-12-22 06:57:04,521 INFO L189 CegarLoopUtils]: For program point L556-5(lines 556 564) no Hoare annotation was computed. [2020-12-22 06:57:04,521 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:57:04,521 INFO L189 CegarLoopUtils]: For program point L788(lines 788 792) no Hoare annotation was computed. [2020-12-22 06:57:04,521 INFO L189 CegarLoopUtils]: For program point L458(lines 458 462) no Hoare annotation was computed. [2020-12-22 06:57:04,521 INFO L189 CegarLoopUtils]: For program point L458-2(lines 494 500) no Hoare annotation was computed. [2020-12-22 06:57:04,521 INFO L185 CegarLoopUtils]: At program point L856(lines 851 859) the Hoare annotation is: (and (= ULTIMATE.start_processEnvironment_~tmp~6 0) (= ULTIMATE.start_main_~tmp~10 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:04,522 INFO L185 CegarLoopUtils]: At program point L856-1(lines 851 859) the Hoare annotation is: false [2020-12-22 06:57:04,522 INFO L185 CegarLoopUtils]: At program point L856-2(lines 851 859) the Hoare annotation is: false [2020-12-22 06:57:04,522 INFO L185 CegarLoopUtils]: At program point L856-3(lines 851 859) the Hoare annotation is: false [2020-12-22 06:57:04,522 INFO L185 CegarLoopUtils]: At program point L856-4(lines 851 859) the Hoare annotation is: false [2020-12-22 06:57:04,522 INFO L185 CegarLoopUtils]: At program point L856-5(lines 851 859) the Hoare annotation is: false [2020-12-22 06:57:04,522 INFO L189 CegarLoopUtils]: For program point L526(lines 526 543) no Hoare annotation was computed. [2020-12-22 06:57:04,522 INFO L189 CegarLoopUtils]: For program point L526-1(lines 526 543) no Hoare annotation was computed. [2020-12-22 06:57:04,522 INFO L189 CegarLoopUtils]: For program point L526-2(lines 526 543) no Hoare annotation was computed. [2020-12-22 06:57:04,522 INFO L189 CegarLoopUtils]: For program point L526-3(lines 526 543) no Hoare annotation was computed. [2020-12-22 06:57:04,523 INFO L189 CegarLoopUtils]: For program point L526-4(lines 526 543) no Hoare annotation was computed. [2020-12-22 06:57:04,523 INFO L189 CegarLoopUtils]: For program point L526-5(lines 526 543) no Hoare annotation was computed. [2020-12-22 06:57:04,523 INFO L189 CegarLoopUtils]: For program point L526-6(lines 526 543) no Hoare annotation was computed. [2020-12-22 06:57:04,523 INFO L189 CegarLoopUtils]: For program point L526-7(lines 526 543) no Hoare annotation was computed. [2020-12-22 06:57:04,523 INFO L189 CegarLoopUtils]: For program point L526-8(lines 526 543) no Hoare annotation was computed. [2020-12-22 06:57:04,523 INFO L189 CegarLoopUtils]: For program point L526-9(lines 526 543) no Hoare annotation was computed. [2020-12-22 06:57:04,523 INFO L189 CegarLoopUtils]: For program point L526-10(lines 526 543) no Hoare annotation was computed. [2020-12-22 06:57:04,523 INFO L189 CegarLoopUtils]: For program point L526-11(lines 526 543) no Hoare annotation was computed. [2020-12-22 06:57:04,523 INFO L185 CegarLoopUtils]: At program point L494(lines 493 512) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse2 .cse3 .cse4))) [2020-12-22 06:57:04,524 INFO L189 CegarLoopUtils]: For program point L494-1(lines 494 500) no Hoare annotation was computed. [2020-12-22 06:57:04,524 INFO L185 CegarLoopUtils]: At program point L494-2(lines 493 512) the Hoare annotation is: false [2020-12-22 06:57:04,524 INFO L185 CegarLoopUtils]: At program point L494-3(lines 493 512) the Hoare annotation is: false [2020-12-22 06:57:04,524 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:57:04,524 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 752) no Hoare annotation was computed. [2020-12-22 06:57:04,524 INFO L189 CegarLoopUtils]: For program point L530(lines 530 538) no Hoare annotation was computed. [2020-12-22 06:57:04,524 INFO L189 CegarLoopUtils]: For program point L530-1(lines 530 538) no Hoare annotation was computed. [2020-12-22 06:57:04,524 INFO L189 CegarLoopUtils]: For program point L530-2(lines 530 538) no Hoare annotation was computed. [2020-12-22 06:57:04,524 INFO L189 CegarLoopUtils]: For program point L530-3(lines 530 538) no Hoare annotation was computed. [2020-12-22 06:57:04,524 INFO L189 CegarLoopUtils]: For program point L530-4(lines 530 538) no Hoare annotation was computed. [2020-12-22 06:57:04,525 INFO L189 CegarLoopUtils]: For program point L530-5(lines 530 538) no Hoare annotation was computed. [2020-12-22 06:57:04,525 INFO L189 CegarLoopUtils]: For program point L530-6(lines 530 538) no Hoare annotation was computed. [2020-12-22 06:57:04,525 INFO L189 CegarLoopUtils]: For program point L530-7(lines 530 538) no Hoare annotation was computed. [2020-12-22 06:57:04,525 INFO L189 CegarLoopUtils]: For program point L530-8(lines 530 538) no Hoare annotation was computed. [2020-12-22 06:57:04,525 INFO L189 CegarLoopUtils]: For program point L530-9(lines 530 538) no Hoare annotation was computed. [2020-12-22 06:57:04,525 INFO L189 CegarLoopUtils]: For program point L530-10(lines 530 538) no Hoare annotation was computed. [2020-12-22 06:57:04,525 INFO L189 CegarLoopUtils]: For program point L530-11(lines 530 538) no Hoare annotation was computed. [2020-12-22 06:57:04,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:57:04 BoogieIcfgContainer [2020-12-22 06:57:04,572 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:57:04,573 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:57:04,573 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:57:04,573 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:57:04,573 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:50" (3/4) ... [2020-12-22 06:57:04,582 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:57:04,621 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:57:04,623 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:57:04,625 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:57:04,626 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:57:04,628 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:57:04,630 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:04,631 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:04,663 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 [2020-12-22 06:57:04,664 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && waterLevel == 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 [2020-12-22 06:57:04,664 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && waterLevel == 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && 1 <= \result) && 1 <= tmp)) || ((((((((tmp == 1 && \result == 0) && \result == systemActive) && 2 <= waterLevel) && 2 <= \result) && tmp == 0) && splverifierCounter == 0) && 2 <= tmp) && \result == 1) [2020-12-22 06:57:04,665 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == systemActive && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && 1 <= \result) && 1 <= tmp)) || (((((tmp == systemActive && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:57:04,666 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:57:04,668 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-12-22 06:57:04,668 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((((tmp == 1 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:57:04,670 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && \result == 0) && 1 == systemActive) && 2 <= \result) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) || ((((((tmp == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && 1 <= \result) [2020-12-22 06:57:04,671 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-12-22 06:57:04,679 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-12-22 06:57:04,680 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == systemActive && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((!(\result == 0) && tmp == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-12-22 06:57:04,683 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == systemActive && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) || (((((((((!(\result == 0) && tmp == 1) && tmp___0 == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-12-22 06:57:04,683 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 0 && tmp == 1) && 1 == systemActive) && \result == 0) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-12-22 06:57:04,683 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 0 && !(\result == 0)) && tmp == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((((tmp == 0 && tmp == systemActive) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:57:04,684 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 0 && \result == 1) && tmp == 1) && \result == systemActive) && \result == 0) && tmp___0 == 1) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 0) && \result == 1 [2020-12-22 06:57:04,684 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((tmp == 0 && !(\result == 0)) && tmp == 1) && tmp___0 == 0) && \result == systemActive) && !(tmp == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((((((tmp == 0 && tmp == systemActive) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:57:04,802 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec4_product53.cil.c-witness.graphml [2020-12-22 06:57:04,802 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:57:04,803 INFO L168 Benchmark]: Toolchain (without parser) took 16952.39 ms. Allocated memory was 162.5 MB in the beginning and 381.7 MB in the end (delta: 219.2 MB). Free memory was 135.2 MB in the beginning and 174.2 MB in the end (delta: -39.0 MB). Peak memory consumption was 180.6 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:04,804 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 162.5 MB. Free memory is still 136.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:57:04,804 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.95 ms. Allocated memory is still 162.5 MB. Free memory was 135.0 MB in the beginning and 113.7 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:04,804 INFO L168 Benchmark]: Boogie Procedure Inliner took 183.42 ms. Allocated memory is still 162.5 MB. Free memory was 113.6 MB in the beginning and 142.1 MB in the end (delta: -28.5 MB). Peak memory consumption was 9.7 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:04,805 INFO L168 Benchmark]: Boogie Preprocessor took 109.15 ms. Allocated memory is still 162.5 MB. Free memory was 142.1 MB in the beginning and 139.0 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:04,805 INFO L168 Benchmark]: RCFGBuilder took 1179.75 ms. Allocated memory is still 162.5 MB. Free memory was 138.5 MB in the beginning and 57.2 MB in the end (delta: 81.3 MB). Peak memory consumption was 81.8 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:04,805 INFO L168 Benchmark]: TraceAbstraction took 14525.80 ms. Allocated memory was 162.5 MB in the beginning and 381.7 MB in the end (delta: 219.2 MB). Free memory was 56.7 MB in the beginning and 189.9 MB in the end (delta: -133.2 MB). Peak memory consumption was 144.6 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:04,806 INFO L168 Benchmark]: Witness Printer took 229.61 ms. Allocated memory is still 381.7 MB. Free memory was 189.9 MB in the beginning and 174.2 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:04,808 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 162.5 MB. Free memory is still 136.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 715.95 ms. Allocated memory is still 162.5 MB. Free memory was 135.0 MB in the beginning and 113.7 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 183.42 ms. Allocated memory is still 162.5 MB. Free memory was 113.6 MB in the beginning and 142.1 MB in the end (delta: -28.5 MB). Peak memory consumption was 9.7 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 109.15 ms. Allocated memory is still 162.5 MB. Free memory was 142.1 MB in the beginning and 139.0 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1179.75 ms. Allocated memory is still 162.5 MB. Free memory was 138.5 MB in the beginning and 57.2 MB in the end (delta: 81.3 MB). Peak memory consumption was 81.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 14525.80 ms. Allocated memory was 162.5 MB in the beginning and 381.7 MB in the end (delta: 219.2 MB). Free memory was 56.7 MB in the beginning and 189.9 MB in the end (delta: -133.2 MB). Peak memory consumption was 144.6 MB. Max. memory is 8.0 GB. * Witness Printer took 229.61 ms. Allocated memory is still 381.7 MB. Free memory was 189.9 MB in the beginning and 174.2 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 752]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 752]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 752]: 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: 442]: Loop Invariant Derived loop invariant: (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && \result == 0) && 1 == systemActive) && 2 <= \result) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) || ((((((tmp == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && 1 <= \result) - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: (((((((((tmp == 0 && \result == 1) && tmp == 1) && \result == systemActive) && \result == 0) && tmp___0 == 1) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 0) && \result == 1 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: ((((tmp == 1 && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: ((((((tmp == 0 && tmp == 1) && 1 == systemActive) && \result == 0) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: ((((tmp == 1 && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((((tmp == 1 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: (((((((tmp == systemActive && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && 1 <= \result) && 1 <= tmp)) || (((((tmp == systemActive && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: (((((((tmp == 0 && !(\result == 0)) && tmp == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((((tmp == 0 && tmp == systemActive) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: (((((tmp == systemActive && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((!(\result == 0) && tmp == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 959]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && waterLevel == 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && 1 <= \result) && 1 <= tmp)) || ((((((((tmp == 1 && \result == 0) && \result == systemActive) && 2 <= waterLevel) && 2 <= \result) && tmp == 0) && splverifierCounter == 0) && 2 <= tmp) && \result == 1) - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: ((((((((((tmp == 0 && !(\result == 0)) && tmp == 1) && tmp___0 == 0) && \result == systemActive) && !(tmp == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((((((tmp == 0 && tmp == systemActive) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: (((((((tmp == systemActive && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) || (((((((((!(\result == 0) && tmp == 1) && tmp___0 == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: ((((tmp == 1 && waterLevel == 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 189 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.2s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2017 SDtfs, 3171 SDslu, 3099 SDs, 0 SdLazy, 485 SolverSat, 100 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 173 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=608occurred 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: 0.5s AutomataMinimizationTime, 15 MinimizatonAttempts, 1827 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 66 PreInvPairs, 230 NumberOfFragments, 740 HoareAnnotationTreeSize, 66 FomulaSimplifications, 3550471 FormulaSimplificationTreeSizeReduction, 2.8s HoareSimplificationTime, 66 FomulaSimplificationsInter, 446237 FormulaSimplificationTreeSizeReductionInter, 6.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 666 NumberOfCodeBlocks, 666 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 650 ConstructedInterpolants, 0 QuantifiedInterpolants, 56485 SizeOfPredicates, 3 NumberOfNonLiveVariables, 440 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 170/176 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...