/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_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:57:02,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:57:02,546 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:57:02,581 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:57:02,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:57:02,583 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:57:02,585 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:57:02,588 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:57:02,591 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:57:02,592 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:57:02,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:57:02,596 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:57:02,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:57:02,598 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:57:02,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:57:02,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:57:02,602 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:57:02,625 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:57:02,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:57:02,632 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:57:02,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:57:02,637 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:57:02,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:57:02,639 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:57:02,643 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:57:02,648 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:57:02,649 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:57:02,650 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:57:02,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:57:02,652 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:57:02,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:57:02,654 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:57:02,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:57:02,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:57:02,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:57:02,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:57:02,658 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:57:02,687 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:57:02,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:57:02,689 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:57:02,690 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:57:02,690 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:57:02,691 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:57:02,691 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:57:02,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:57:02,692 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:57:02,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:57:02,692 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:57:02,693 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:57:02,693 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:57:02,693 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:57:02,694 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:57:02,694 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:57:02,694 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:57:02,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:57:02,695 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:57:02,695 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:57:02,696 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:57:02,696 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:57:02,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:57:02,697 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:57:02,697 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:57:02,697 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:57:03,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:57:03,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:57:03,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:57:03,170 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:57:03,171 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:57:03,172 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product64.cil.c [2020-12-22 06:57:03,266 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b871cb15d/8d6d7e782f7b431d954ac58575e80c9b/FLAG6234007e7 [2020-12-22 06:57:04,078 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:57:04,079 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product64.cil.c [2020-12-22 06:57:04,101 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b871cb15d/8d6d7e782f7b431d954ac58575e80c9b/FLAG6234007e7 [2020-12-22 06:57:04,302 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b871cb15d/8d6d7e782f7b431d954ac58575e80c9b [2020-12-22 06:57:04,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:57:04,309 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:57:04,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:57:04,316 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:57:04,320 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:57:04,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:57:04" (1/1) ... [2020-12-22 06:57:04,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71dd7c35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:04, skipping insertion in model container [2020-12-22 06:57:04,324 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:57:04" (1/1) ... [2020-12-22 06:57:04,333 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:57:04,398 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:57:04,576 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_product64.cil.c[2573,2586] [2020-12-22 06:57:04,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:57:04,833 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:57:04,871 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_product64.cil.c[2573,2586] [2020-12-22 06:57:04,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:57:05,024 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:57:05,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:05 WrapperNode [2020-12-22 06:57:05,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:57:05,026 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:57:05,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:57:05,026 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:57:05,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:05" (1/1) ... [2020-12-22 06:57:05,055 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:05" (1/1) ... [2020-12-22 06:57:05,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:57:05,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:57:05,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:57:05,183 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:57:05,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:05" (1/1) ... [2020-12-22 06:57:05,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:05" (1/1) ... [2020-12-22 06:57:05,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:05" (1/1) ... [2020-12-22 06:57:05,206 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:05" (1/1) ... [2020-12-22 06:57:05,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:05" (1/1) ... [2020-12-22 06:57:05,245 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:05" (1/1) ... [2020-12-22 06:57:05,252 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:05" (1/1) ... [2020-12-22 06:57:05,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:57:05,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:57:05,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:57:05,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:57:05,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:57:05,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:57:05,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:57:05,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:57:05,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:57:06,732 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:57:06,732 INFO L299 CfgBuilder]: Removed 354 assume(true) statements. [2020-12-22 06:57:06,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:06 BoogieIcfgContainer [2020-12-22 06:57:06,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:57:06,736 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:57:06,736 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:57:06,740 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:57:06,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:57:04" (1/3) ... [2020-12-22 06:57:06,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11070db2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:57:06, skipping insertion in model container [2020-12-22 06:57:06,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:05" (2/3) ... [2020-12-22 06:57:06,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11070db2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:57:06, skipping insertion in model container [2020-12-22 06:57:06,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:06" (3/3) ... [2020-12-22 06:57:06,744 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product64.cil.c [2020-12-22 06:57:06,751 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:57:06,758 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:57:06,778 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:57:06,808 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:57:06,808 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:57:06,808 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:57:06,808 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:57:06,808 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:57:06,808 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:57:06,809 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:57:06,809 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:57:06,831 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2020-12-22 06:57:06,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-22 06:57:06,838 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:06,839 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:06,839 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:06,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:06,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1807762564, now seen corresponding path program 1 times [2020-12-22 06:57:06,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:06,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805317061] [2020-12-22 06:57:06,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:07,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:07,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805317061] [2020-12-22 06:57:07,173 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:07,173 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:07,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678532201] [2020-12-22 06:57:07,179 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:57:07,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:07,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:57:07,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:57:07,197 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 2 states. [2020-12-22 06:57:07,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:07,278 INFO L93 Difference]: Finished difference Result 448 states and 671 transitions. [2020-12-22 06:57:07,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:57:07,280 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-22 06:57:07,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:07,315 INFO L225 Difference]: With dead ends: 448 [2020-12-22 06:57:07,315 INFO L226 Difference]: Without dead ends: 223 [2020-12-22 06:57:07,324 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:57:07,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2020-12-22 06:57:07,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2020-12-22 06:57:07,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-12-22 06:57:07,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 327 transitions. [2020-12-22 06:57:07,399 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 327 transitions. Word has length 16 [2020-12-22 06:57:07,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:07,400 INFO L481 AbstractCegarLoop]: Abstraction has 223 states and 327 transitions. [2020-12-22 06:57:07,400 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:57:07,400 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 327 transitions. [2020-12-22 06:57:07,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 06:57:07,402 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:07,402 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 06:57:07,402 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:57:07,402 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:07,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:07,404 INFO L82 PathProgramCache]: Analyzing trace with hash 1440447835, now seen corresponding path program 1 times [2020-12-22 06:57:07,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:07,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167882731] [2020-12-22 06:57:07,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:07,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:07,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:07,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167882731] [2020-12-22 06:57:07,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:07,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:57:07,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268884628] [2020-12-22 06:57:07,548 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:07,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:07,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:07,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:07,550 INFO L87 Difference]: Start difference. First operand 223 states and 327 transitions. Second operand 3 states. [2020-12-22 06:57:07,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:07,568 INFO L93 Difference]: Finished difference Result 223 states and 327 transitions. [2020-12-22 06:57:07,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:07,568 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-22 06:57:07,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:07,570 INFO L225 Difference]: With dead ends: 223 [2020-12-22 06:57:07,570 INFO L226 Difference]: Without dead ends: 85 [2020-12-22 06:57:07,572 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:07,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-12-22 06:57:07,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2020-12-22 06:57:07,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-12-22 06:57:07,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 124 transitions. [2020-12-22 06:57:07,580 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 124 transitions. Word has length 17 [2020-12-22 06:57:07,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:07,581 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 124 transitions. [2020-12-22 06:57:07,581 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:07,581 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 124 transitions. [2020-12-22 06:57:07,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-22 06:57:07,582 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:07,582 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 06:57:07,582 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:57:07,583 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:07,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:07,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1020108702, now seen corresponding path program 1 times [2020-12-22 06:57:07,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:07,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449480117] [2020-12-22 06:57:07,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:07,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:07,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449480117] [2020-12-22 06:57:07,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:07,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:57:07,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009710622] [2020-12-22 06:57:07,679 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:07,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:07,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:07,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:07,681 INFO L87 Difference]: Start difference. First operand 85 states and 124 transitions. Second operand 3 states. [2020-12-22 06:57:07,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:07,716 INFO L93 Difference]: Finished difference Result 243 states and 360 transitions. [2020-12-22 06:57:07,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:07,717 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-12-22 06:57:07,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:07,719 INFO L225 Difference]: With dead ends: 243 [2020-12-22 06:57:07,719 INFO L226 Difference]: Without dead ends: 164 [2020-12-22 06:57:07,720 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:07,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-12-22 06:57:07,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 160. [2020-12-22 06:57:07,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-12-22 06:57:07,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 237 transitions. [2020-12-22 06:57:07,755 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 237 transitions. Word has length 22 [2020-12-22 06:57:07,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:07,755 INFO L481 AbstractCegarLoop]: Abstraction has 160 states and 237 transitions. [2020-12-22 06:57:07,755 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:07,755 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 237 transitions. [2020-12-22 06:57:07,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 06:57:07,757 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:07,757 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 06:57:07,760 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:57:07,760 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:07,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:07,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1236801791, now seen corresponding path program 1 times [2020-12-22 06:57:07,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:07,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7895179] [2020-12-22 06:57:07,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:07,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:07,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:07,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7895179] [2020-12-22 06:57:07,843 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:07,843 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:07,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466432277] [2020-12-22 06:57:07,844 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:07,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:07,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:07,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:07,845 INFO L87 Difference]: Start difference. First operand 160 states and 237 transitions. Second operand 3 states. [2020-12-22 06:57:07,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:07,892 INFO L93 Difference]: Finished difference Result 325 states and 486 transitions. [2020-12-22 06:57:07,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:07,893 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-12-22 06:57:07,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:07,895 INFO L225 Difference]: With dead ends: 325 [2020-12-22 06:57:07,895 INFO L226 Difference]: Without dead ends: 171 [2020-12-22 06:57:07,896 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:07,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-12-22 06:57:07,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 169. [2020-12-22 06:57:07,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-12-22 06:57:07,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 243 transitions. [2020-12-22 06:57:07,911 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 243 transitions. Word has length 25 [2020-12-22 06:57:07,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:07,912 INFO L481 AbstractCegarLoop]: Abstraction has 169 states and 243 transitions. [2020-12-22 06:57:07,912 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:07,912 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 243 transitions. [2020-12-22 06:57:07,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 06:57:07,913 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:07,913 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 06:57:07,913 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:57:07,913 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:07,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:07,914 INFO L82 PathProgramCache]: Analyzing trace with hash -1574884233, now seen corresponding path program 1 times [2020-12-22 06:57:07,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:07,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250152434] [2020-12-22 06:57:07,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:07,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:08,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:08,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250152434] [2020-12-22 06:57:08,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:08,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:57:08,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262085566] [2020-12-22 06:57:08,014 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:08,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:08,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:08,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:08,016 INFO L87 Difference]: Start difference. First operand 169 states and 243 transitions. Second operand 5 states. [2020-12-22 06:57:08,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:08,129 INFO L93 Difference]: Finished difference Result 593 states and 857 transitions. [2020-12-22 06:57:08,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:57:08,130 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-12-22 06:57:08,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:08,133 INFO L225 Difference]: With dead ends: 593 [2020-12-22 06:57:08,133 INFO L226 Difference]: Without dead ends: 430 [2020-12-22 06:57:08,134 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 06:57:08,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2020-12-22 06:57:08,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 260. [2020-12-22 06:57:08,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2020-12-22 06:57:08,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 364 transitions. [2020-12-22 06:57:08,163 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 364 transitions. Word has length 25 [2020-12-22 06:57:08,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:08,163 INFO L481 AbstractCegarLoop]: Abstraction has 260 states and 364 transitions. [2020-12-22 06:57:08,163 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:08,164 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 364 transitions. [2020-12-22 06:57:08,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:57:08,165 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:08,165 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:08,166 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:57:08,166 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:08,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:08,167 INFO L82 PathProgramCache]: Analyzing trace with hash 760774073, now seen corresponding path program 1 times [2020-12-22 06:57:08,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:08,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041954674] [2020-12-22 06:57:08,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:08,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:08,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041954674] [2020-12-22 06:57:08,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:08,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:57:08,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009624632] [2020-12-22 06:57:08,239 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:08,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:08,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:08,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:08,240 INFO L87 Difference]: Start difference. First operand 260 states and 364 transitions. Second operand 5 states. [2020-12-22 06:57:08,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:08,387 INFO L93 Difference]: Finished difference Result 592 states and 842 transitions. [2020-12-22 06:57:08,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:57:08,388 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-12-22 06:57:08,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:08,391 INFO L225 Difference]: With dead ends: 592 [2020-12-22 06:57:08,392 INFO L226 Difference]: Without dead ends: 590 [2020-12-22 06:57:08,393 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:57:08,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2020-12-22 06:57:08,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 260. [2020-12-22 06:57:08,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2020-12-22 06:57:08,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 362 transitions. [2020-12-22 06:57:08,417 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 362 transitions. Word has length 26 [2020-12-22 06:57:08,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:08,417 INFO L481 AbstractCegarLoop]: Abstraction has 260 states and 362 transitions. [2020-12-22 06:57:08,417 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:08,418 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 362 transitions. [2020-12-22 06:57:08,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-22 06:57:08,419 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:08,420 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:08,420 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:57:08,420 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:08,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:08,421 INFO L82 PathProgramCache]: Analyzing trace with hash -96374273, now seen corresponding path program 1 times [2020-12-22 06:57:08,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:08,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474078735] [2020-12-22 06:57:08,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:08,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:08,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:08,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474078735] [2020-12-22 06:57:08,485 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:08,485 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:57:08,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349220903] [2020-12-22 06:57:08,486 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:57:08,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:08,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:57:08,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:57:08,487 INFO L87 Difference]: Start difference. First operand 260 states and 362 transitions. Second operand 4 states. [2020-12-22 06:57:08,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:08,628 INFO L93 Difference]: Finished difference Result 556 states and 785 transitions. [2020-12-22 06:57:08,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:57:08,628 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2020-12-22 06:57:08,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:08,631 INFO L225 Difference]: With dead ends: 556 [2020-12-22 06:57:08,631 INFO L226 Difference]: Without dead ends: 393 [2020-12-22 06:57:08,632 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 06:57:08,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2020-12-22 06:57:08,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 389. [2020-12-22 06:57:08,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2020-12-22 06:57:08,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 539 transitions. [2020-12-22 06:57:08,660 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 539 transitions. Word has length 35 [2020-12-22 06:57:08,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:08,661 INFO L481 AbstractCegarLoop]: Abstraction has 389 states and 539 transitions. [2020-12-22 06:57:08,661 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:57:08,661 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 539 transitions. [2020-12-22 06:57:08,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-22 06:57:08,662 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:08,663 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:08,663 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:57:08,663 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:08,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:08,664 INFO L82 PathProgramCache]: Analyzing trace with hash -1376237951, now seen corresponding path program 1 times [2020-12-22 06:57:08,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:08,664 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827101824] [2020-12-22 06:57:08,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:08,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:08,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:08,716 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827101824] [2020-12-22 06:57:08,717 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:08,717 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:57:08,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978900552] [2020-12-22 06:57:08,718 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:57:08,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:08,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:57:08,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:57:08,719 INFO L87 Difference]: Start difference. First operand 389 states and 539 transitions. Second operand 4 states. [2020-12-22 06:57:08,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:08,841 INFO L93 Difference]: Finished difference Result 1122 states and 1572 transitions. [2020-12-22 06:57:08,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:57:08,841 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2020-12-22 06:57:08,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:08,846 INFO L225 Difference]: With dead ends: 1122 [2020-12-22 06:57:08,847 INFO L226 Difference]: Without dead ends: 828 [2020-12-22 06:57:08,848 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 06:57:08,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2020-12-22 06:57:08,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 389. [2020-12-22 06:57:08,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2020-12-22 06:57:08,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 533 transitions. [2020-12-22 06:57:08,892 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 533 transitions. Word has length 35 [2020-12-22 06:57:08,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:08,894 INFO L481 AbstractCegarLoop]: Abstraction has 389 states and 533 transitions. [2020-12-22 06:57:08,894 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:57:08,896 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 533 transitions. [2020-12-22 06:57:08,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-22 06:57:08,899 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:08,899 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:08,900 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:57:08,901 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:08,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:08,901 INFO L82 PathProgramCache]: Analyzing trace with hash -1963043965, now seen corresponding path program 1 times [2020-12-22 06:57:08,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:08,902 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220882352] [2020-12-22 06:57:08,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:08,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:09,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:09,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220882352] [2020-12-22 06:57:09,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:09,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:09,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965653045] [2020-12-22 06:57:09,008 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:09,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:09,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:09,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:09,011 INFO L87 Difference]: Start difference. First operand 389 states and 533 transitions. Second operand 5 states. [2020-12-22 06:57:09,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:09,219 INFO L93 Difference]: Finished difference Result 911 states and 1258 transitions. [2020-12-22 06:57:09,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:57:09,220 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2020-12-22 06:57:09,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:09,224 INFO L225 Difference]: With dead ends: 911 [2020-12-22 06:57:09,224 INFO L226 Difference]: Without dead ends: 617 [2020-12-22 06:57:09,225 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 06:57:09,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2020-12-22 06:57:09,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 420. [2020-12-22 06:57:09,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2020-12-22 06:57:09,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 579 transitions. [2020-12-22 06:57:09,266 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 579 transitions. Word has length 35 [2020-12-22 06:57:09,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:09,267 INFO L481 AbstractCegarLoop]: Abstraction has 420 states and 579 transitions. [2020-12-22 06:57:09,267 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:09,267 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 579 transitions. [2020-12-22 06:57:09,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-22 06:57:09,268 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:09,268 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:09,268 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:57:09,269 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:09,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:09,269 INFO L82 PathProgramCache]: Analyzing trace with hash 1290569691, now seen corresponding path program 1 times [2020-12-22 06:57:09,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:09,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295651097] [2020-12-22 06:57:09,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:09,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:09,317 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 06:57:09,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295651097] [2020-12-22 06:57:09,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:09,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:57:09,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025928810] [2020-12-22 06:57:09,319 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:09,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:09,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:09,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:09,320 INFO L87 Difference]: Start difference. First operand 420 states and 579 transitions. Second operand 3 states. [2020-12-22 06:57:09,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:09,468 INFO L93 Difference]: Finished difference Result 703 states and 966 transitions. [2020-12-22 06:57:09,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:09,469 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-12-22 06:57:09,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:09,471 INFO L225 Difference]: With dead ends: 703 [2020-12-22 06:57:09,471 INFO L226 Difference]: Without dead ends: 289 [2020-12-22 06:57:09,472 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:09,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2020-12-22 06:57:09,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 281. [2020-12-22 06:57:09,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-12-22 06:57:09,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 381 transitions. [2020-12-22 06:57:09,499 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 381 transitions. Word has length 52 [2020-12-22 06:57:09,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:09,500 INFO L481 AbstractCegarLoop]: Abstraction has 281 states and 381 transitions. [2020-12-22 06:57:09,500 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:09,500 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 381 transitions. [2020-12-22 06:57:09,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-22 06:57:09,501 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:09,501 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:09,501 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 06:57:09,502 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:09,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:09,502 INFO L82 PathProgramCache]: Analyzing trace with hash -1739721723, now seen corresponding path program 1 times [2020-12-22 06:57:09,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:09,503 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453312733] [2020-12-22 06:57:09,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:09,573 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 06:57:09,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453312733] [2020-12-22 06:57:09,573 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:09,574 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:09,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905049142] [2020-12-22 06:57:09,574 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:09,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:09,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:09,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:09,575 INFO L87 Difference]: Start difference. First operand 281 states and 381 transitions. Second operand 5 states. [2020-12-22 06:57:09,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:09,695 INFO L93 Difference]: Finished difference Result 837 states and 1128 transitions. [2020-12-22 06:57:09,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:57:09,695 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2020-12-22 06:57:09,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:09,699 INFO L225 Difference]: With dead ends: 837 [2020-12-22 06:57:09,699 INFO L226 Difference]: Without dead ends: 562 [2020-12-22 06:57:09,700 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:57:09,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2020-12-22 06:57:09,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 293. [2020-12-22 06:57:09,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2020-12-22 06:57:09,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 393 transitions. [2020-12-22 06:57:09,731 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 393 transitions. Word has length 59 [2020-12-22 06:57:09,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:09,731 INFO L481 AbstractCegarLoop]: Abstraction has 293 states and 393 transitions. [2020-12-22 06:57:09,731 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:09,732 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 393 transitions. [2020-12-22 06:57:09,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-22 06:57:09,733 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:09,733 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:09,733 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 06:57:09,733 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:09,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:09,734 INFO L82 PathProgramCache]: Analyzing trace with hash 1525886275, now seen corresponding path program 1 times [2020-12-22 06:57:09,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:09,734 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954105250] [2020-12-22 06:57:09,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:09,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:09,792 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 06:57:09,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954105250] [2020-12-22 06:57:09,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:09,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:09,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259971637] [2020-12-22 06:57:09,794 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:09,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:09,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:09,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:09,795 INFO L87 Difference]: Start difference. First operand 293 states and 393 transitions. Second operand 5 states. [2020-12-22 06:57:09,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:09,906 INFO L93 Difference]: Finished difference Result 678 states and 901 transitions. [2020-12-22 06:57:09,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:57:09,906 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2020-12-22 06:57:09,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:09,909 INFO L225 Difference]: With dead ends: 678 [2020-12-22 06:57:09,909 INFO L226 Difference]: Without dead ends: 391 [2020-12-22 06:57:09,910 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 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 06:57:09,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2020-12-22 06:57:09,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 246. [2020-12-22 06:57:09,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2020-12-22 06:57:09,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 322 transitions. [2020-12-22 06:57:09,939 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 322 transitions. Word has length 59 [2020-12-22 06:57:09,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:09,939 INFO L481 AbstractCegarLoop]: Abstraction has 246 states and 322 transitions. [2020-12-22 06:57:09,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:09,939 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 322 transitions. [2020-12-22 06:57:09,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-22 06:57:09,940 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:09,940 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, 1, 1, 1] [2020-12-22 06:57:09,941 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 06:57:09,941 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:09,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:09,942 INFO L82 PathProgramCache]: Analyzing trace with hash 523472835, now seen corresponding path program 1 times [2020-12-22 06:57:09,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:09,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701410013] [2020-12-22 06:57:09,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:10,044 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 06:57:10,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701410013] [2020-12-22 06:57:10,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446890028] [2020-12-22 06:57:10,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:57:10,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:10,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-22 06:57:10,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:57:10,329 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 06:57:10,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:57:10,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2020-12-22 06:57:10,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209530217] [2020-12-22 06:57:10,331 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:57:10,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:10,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:57:10,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:57:10,332 INFO L87 Difference]: Start difference. First operand 246 states and 322 transitions. Second operand 6 states. [2020-12-22 06:57:10,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:10,697 INFO L93 Difference]: Finished difference Result 726 states and 963 transitions. [2020-12-22 06:57:10,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:57:10,697 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2020-12-22 06:57:10,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:10,701 INFO L225 Difference]: With dead ends: 726 [2020-12-22 06:57:10,701 INFO L226 Difference]: Without dead ends: 535 [2020-12-22 06:57:10,702 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 64 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 06:57:10,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2020-12-22 06:57:10,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 306. [2020-12-22 06:57:10,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2020-12-22 06:57:10,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 401 transitions. [2020-12-22 06:57:10,752 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 401 transitions. Word has length 60 [2020-12-22 06:57:10,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:10,753 INFO L481 AbstractCegarLoop]: Abstraction has 306 states and 401 transitions. [2020-12-22 06:57:10,753 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:57:10,753 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 401 transitions. [2020-12-22 06:57:10,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-22 06:57:10,754 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:10,755 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, 1, 1, 1] [2020-12-22 06:57:10,970 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-12-22 06:57:10,971 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:10,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:10,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1502700669, now seen corresponding path program 2 times [2020-12-22 06:57:10,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:10,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857601542] [2020-12-22 06:57:10,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:11,172 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 06:57:11,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857601542] [2020-12-22 06:57:11,173 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:11,173 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:11,173 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992680592] [2020-12-22 06:57:11,174 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:11,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:11,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:11,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:11,175 INFO L87 Difference]: Start difference. First operand 306 states and 401 transitions. Second operand 5 states. [2020-12-22 06:57:11,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:11,524 INFO L93 Difference]: Finished difference Result 922 states and 1223 transitions. [2020-12-22 06:57:11,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:57:11,527 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 85 [2020-12-22 06:57:11,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:11,531 INFO L225 Difference]: With dead ends: 922 [2020-12-22 06:57:11,532 INFO L226 Difference]: Without dead ends: 664 [2020-12-22 06:57:11,533 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:57:11,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2020-12-22 06:57:11,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 422. [2020-12-22 06:57:11,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2020-12-22 06:57:11,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 552 transitions. [2020-12-22 06:57:11,600 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 552 transitions. Word has length 85 [2020-12-22 06:57:11,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:11,601 INFO L481 AbstractCegarLoop]: Abstraction has 422 states and 552 transitions. [2020-12-22 06:57:11,601 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:11,601 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 552 transitions. [2020-12-22 06:57:11,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-22 06:57:11,609 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:11,609 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, 1, 1, 1] [2020-12-22 06:57:11,609 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-22 06:57:11,609 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:11,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:11,610 INFO L82 PathProgramCache]: Analyzing trace with hash -1897067455, now seen corresponding path program 1 times [2020-12-22 06:57:11,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:11,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964426641] [2020-12-22 06:57:11,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:11,694 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 06:57:11,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964426641] [2020-12-22 06:57:11,695 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:11,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:11,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527509353] [2020-12-22 06:57:11,698 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:11,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:11,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:11,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:11,700 INFO L87 Difference]: Start difference. First operand 422 states and 552 transitions. Second operand 5 states. [2020-12-22 06:57:11,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:11,792 INFO L93 Difference]: Finished difference Result 811 states and 1058 transitions. [2020-12-22 06:57:11,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:57:11,793 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 85 [2020-12-22 06:57:11,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:11,793 INFO L225 Difference]: With dead ends: 811 [2020-12-22 06:57:11,793 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:57:11,796 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:57:11,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:57:11,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:57:11,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:57:11,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:57:11,798 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2020-12-22 06:57:11,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:11,798 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:57:11,798 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:11,798 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:57:11,798 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:57:11,798 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-22 06:57:11,801 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:57:12,189 WARN L197 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 94 [2020-12-22 06:57:12,591 WARN L197 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 146 [2020-12-22 06:57:12,812 WARN L197 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 99 [2020-12-22 06:57:13,422 WARN L197 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 154 [2020-12-22 06:57:13,791 WARN L197 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 146 [2020-12-22 06:57:13,981 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 113 [2020-12-22 06:57:14,296 WARN L197 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 128 [2020-12-22 06:57:14,766 WARN L197 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 149 [2020-12-22 06:57:15,352 WARN L197 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 9 [2020-12-22 06:57:16,202 WARN L197 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 26 [2020-12-22 06:57:16,683 WARN L197 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 26 [2020-12-22 06:57:17,721 WARN L197 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 27 [2020-12-22 06:57:18,620 WARN L197 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 26 [2020-12-22 06:57:19,183 WARN L197 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 32 [2020-12-22 06:57:19,904 WARN L197 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 20 [2020-12-22 06:57:20,084 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 27 [2020-12-22 06:57:20,283 WARN L197 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 19 [2020-12-22 06:57:20,501 WARN L197 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 26 [2020-12-22 06:57:20,717 WARN L197 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 19 [2020-12-22 06:57:21,636 WARN L197 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 23 [2020-12-22 06:57:21,728 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 150) no Hoare annotation was computed. [2020-12-22 06:57:21,728 INFO L189 CegarLoopUtils]: For program point L300(lines 300 317) no Hoare annotation was computed. [2020-12-22 06:57:21,728 INFO L189 CegarLoopUtils]: For program point L300-1(lines 300 317) no Hoare annotation was computed. [2020-12-22 06:57:21,729 INFO L189 CegarLoopUtils]: For program point L300-2(lines 300 317) no Hoare annotation was computed. [2020-12-22 06:57:21,729 INFO L189 CegarLoopUtils]: For program point L300-3(lines 300 317) no Hoare annotation was computed. [2020-12-22 06:57:21,729 INFO L189 CegarLoopUtils]: For program point L300-4(lines 300 317) no Hoare annotation was computed. [2020-12-22 06:57:21,729 INFO L189 CegarLoopUtils]: For program point L300-5(lines 300 317) no Hoare annotation was computed. [2020-12-22 06:57:21,729 INFO L189 CegarLoopUtils]: For program point L300-6(lines 300 317) no Hoare annotation was computed. [2020-12-22 06:57:21,729 INFO L189 CegarLoopUtils]: For program point L300-7(lines 300 317) no Hoare annotation was computed. [2020-12-22 06:57:21,730 INFO L189 CegarLoopUtils]: For program point L300-8(lines 300 317) no Hoare annotation was computed. [2020-12-22 06:57:21,730 INFO L189 CegarLoopUtils]: For program point L300-9(lines 300 317) no Hoare annotation was computed. [2020-12-22 06:57:21,730 INFO L189 CegarLoopUtils]: For program point L300-10(lines 300 317) no Hoare annotation was computed. [2020-12-22 06:57:21,730 INFO L189 CegarLoopUtils]: For program point L300-11(lines 300 317) no Hoare annotation was computed. [2020-12-22 06:57:21,730 INFO L189 CegarLoopUtils]: For program point L169(lines 169 175) no Hoare annotation was computed. [2020-12-22 06:57:21,731 INFO L189 CegarLoopUtils]: For program point L169-2(lines 169 175) no Hoare annotation was computed. [2020-12-22 06:57:21,731 INFO L189 CegarLoopUtils]: For program point L169-4(lines 169 175) no Hoare annotation was computed. [2020-12-22 06:57:21,731 INFO L189 CegarLoopUtils]: For program point L896(lines 896 900) no Hoare annotation was computed. [2020-12-22 06:57:21,731 INFO L189 CegarLoopUtils]: For program point L896-3(lines 896 900) no Hoare annotation was computed. [2020-12-22 06:57:21,731 INFO L189 CegarLoopUtils]: For program point L896-6(lines 896 900) no Hoare annotation was computed. [2020-12-22 06:57:21,732 INFO L185 CegarLoopUtils]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:21,732 INFO L189 CegarLoopUtils]: For program point L304(lines 304 312) no Hoare annotation was computed. [2020-12-22 06:57:21,732 INFO L189 CegarLoopUtils]: For program point L304-1(lines 304 312) no Hoare annotation was computed. [2020-12-22 06:57:21,732 INFO L189 CegarLoopUtils]: For program point L304-2(lines 304 312) no Hoare annotation was computed. [2020-12-22 06:57:21,732 INFO L189 CegarLoopUtils]: For program point L304-3(lines 304 312) no Hoare annotation was computed. [2020-12-22 06:57:21,732 INFO L189 CegarLoopUtils]: For program point L304-4(lines 304 312) no Hoare annotation was computed. [2020-12-22 06:57:21,732 INFO L189 CegarLoopUtils]: For program point L304-5(lines 304 312) no Hoare annotation was computed. [2020-12-22 06:57:21,733 INFO L189 CegarLoopUtils]: For program point L304-6(lines 304 312) no Hoare annotation was computed. [2020-12-22 06:57:21,733 INFO L189 CegarLoopUtils]: For program point L304-7(lines 304 312) no Hoare annotation was computed. [2020-12-22 06:57:21,733 INFO L189 CegarLoopUtils]: For program point L304-8(lines 304 312) no Hoare annotation was computed. [2020-12-22 06:57:21,733 INFO L189 CegarLoopUtils]: For program point L304-9(lines 304 312) no Hoare annotation was computed. [2020-12-22 06:57:21,733 INFO L189 CegarLoopUtils]: For program point L304-10(lines 304 312) no Hoare annotation was computed. [2020-12-22 06:57:21,733 INFO L185 CegarLoopUtils]: At program point L965(lines 960 968) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (<= 1 |ULTIMATE.start_getWaterLevel_#res|))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse1) (and .cse0 .cse2 .cse1 .cse3 .cse4) (and (= 0 ~systemActive~0) .cse2 .cse1 .cse3 .cse4))) [2020-12-22 06:57:21,733 INFO L189 CegarLoopUtils]: For program point L304-11(lines 304 312) no Hoare annotation was computed. [2020-12-22 06:57:21,733 INFO L185 CegarLoopUtils]: At program point L965-1(lines 960 968) the Hoare annotation is: false [2020-12-22 06:57:21,734 INFO L185 CegarLoopUtils]: At program point L965-2(lines 960 968) the Hoare annotation is: false [2020-12-22 06:57:21,734 INFO L189 CegarLoopUtils]: For program point L504(lines 504 510) no Hoare annotation was computed. [2020-12-22 06:57:21,734 INFO L185 CegarLoopUtils]: At program point L504-1(lines 504 510) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-12-22 06:57:21,734 INFO L185 CegarLoopUtils]: At program point L245(lines 194 246) the Hoare annotation is: false [2020-12-22 06:57:21,734 INFO L189 CegarLoopUtils]: For program point L973(lines 973 979) no Hoare annotation was computed. [2020-12-22 06:57:21,734 INFO L189 CegarLoopUtils]: For program point L973-1(lines 973 979) no Hoare annotation was computed. [2020-12-22 06:57:21,734 INFO L189 CegarLoopUtils]: For program point L973-2(lines 973 979) no Hoare annotation was computed. [2020-12-22 06:57:21,734 INFO L189 CegarLoopUtils]: For program point L973-3(lines 973 979) no Hoare annotation was computed. [2020-12-22 06:57:21,735 INFO L189 CegarLoopUtils]: For program point L973-4(lines 973 979) no Hoare annotation was computed. [2020-12-22 06:57:21,735 INFO L189 CegarLoopUtils]: For program point L973-5(lines 973 979) no Hoare annotation was computed. [2020-12-22 06:57:21,735 INFO L189 CegarLoopUtils]: For program point L973-6(lines 973 979) no Hoare annotation was computed. [2020-12-22 06:57:21,735 INFO L189 CegarLoopUtils]: For program point L973-7(lines 973 979) no Hoare annotation was computed. [2020-12-22 06:57:21,735 INFO L189 CegarLoopUtils]: For program point L973-8(lines 973 979) no Hoare annotation was computed. [2020-12-22 06:57:21,735 INFO L189 CegarLoopUtils]: For program point L973-9(lines 973 979) no Hoare annotation was computed. [2020-12-22 06:57:21,735 INFO L189 CegarLoopUtils]: For program point L973-10(lines 973 979) no Hoare annotation was computed. [2020-12-22 06:57:21,735 INFO L189 CegarLoopUtils]: For program point L973-11(lines 973 979) no Hoare annotation was computed. [2020-12-22 06:57:21,735 INFO L189 CegarLoopUtils]: For program point L908(lines 908 912) no Hoare annotation was computed. [2020-12-22 06:57:21,736 INFO L185 CegarLoopUtils]: At program point L978(lines 969 982) the Hoare annotation is: false [2020-12-22 06:57:21,736 INFO L185 CegarLoopUtils]: At program point L978-1(lines 969 982) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2020-12-22 06:57:21,736 INFO L185 CegarLoopUtils]: At program point L978-2(lines 969 982) the Hoare annotation is: false [2020-12-22 06:57:21,736 INFO L185 CegarLoopUtils]: At program point L978-3(lines 969 982) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2020-12-22 06:57:21,736 INFO L185 CegarLoopUtils]: At program point L978-4(lines 969 982) the Hoare annotation is: false [2020-12-22 06:57:21,736 INFO L185 CegarLoopUtils]: At program point L978-5(lines 969 982) the Hoare annotation is: false [2020-12-22 06:57:21,736 INFO L185 CegarLoopUtils]: At program point L978-6(lines 969 982) the Hoare annotation is: false [2020-12-22 06:57:21,737 INFO L185 CegarLoopUtils]: At program point L978-7(lines 969 982) the Hoare annotation is: false [2020-12-22 06:57:21,737 INFO L185 CegarLoopUtils]: At program point L978-8(lines 969 982) the Hoare annotation is: false [2020-12-22 06:57:21,737 INFO L185 CegarLoopUtils]: At program point L978-9(lines 969 982) the Hoare annotation is: false [2020-12-22 06:57:21,737 INFO L185 CegarLoopUtils]: At program point L978-10(lines 969 982) the Hoare annotation is: false [2020-12-22 06:57:21,737 INFO L185 CegarLoopUtils]: At program point L978-11(lines 969 982) the Hoare annotation is: false [2020-12-22 06:57:21,737 INFO L185 CegarLoopUtils]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-12-22 06:57:21,737 INFO L189 CegarLoopUtils]: For program point L55(line 55) no Hoare annotation was computed. [2020-12-22 06:57:21,737 INFO L189 CegarLoopUtils]: For program point L388(lines 388 394) no Hoare annotation was computed. [2020-12-22 06:57:21,737 INFO L189 CegarLoopUtils]: For program point L388-2(lines 388 394) no Hoare annotation was computed. [2020-12-22 06:57:21,738 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:57:21,738 INFO L189 CegarLoopUtils]: For program point L388-4(lines 388 394) no Hoare annotation was computed. [2020-12-22 06:57:21,738 INFO L189 CegarLoopUtils]: For program point L388-6(lines 388 394) no Hoare annotation was computed. [2020-12-22 06:57:21,738 INFO L189 CegarLoopUtils]: For program point L388-8(lines 388 394) no Hoare annotation was computed. [2020-12-22 06:57:21,738 INFO L189 CegarLoopUtils]: For program point L388-10(lines 388 394) no Hoare annotation was computed. [2020-12-22 06:57:21,738 INFO L189 CegarLoopUtils]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-12-22 06:57:21,738 INFO L189 CegarLoopUtils]: For program point L58-1(lines 268 274) no Hoare annotation was computed. [2020-12-22 06:57:21,738 INFO L189 CegarLoopUtils]: For program point L388-12(lines 388 394) no Hoare annotation was computed. [2020-12-22 06:57:21,738 INFO L189 CegarLoopUtils]: For program point L388-14(lines 388 394) no Hoare annotation was computed. [2020-12-22 06:57:21,738 INFO L189 CegarLoopUtils]: For program point L388-16(lines 388 394) no Hoare annotation was computed. [2020-12-22 06:57:21,739 INFO L189 CegarLoopUtils]: For program point L388-18(lines 388 394) no Hoare annotation was computed. [2020-12-22 06:57:21,739 INFO L189 CegarLoopUtils]: For program point L388-20(lines 388 394) no Hoare annotation was computed. [2020-12-22 06:57:21,739 INFO L189 CegarLoopUtils]: For program point L388-22(lines 388 394) no Hoare annotation was computed. [2020-12-22 06:57:21,739 INFO L189 CegarLoopUtils]: For program point L920(lines 920 924) no Hoare annotation was computed. [2020-12-22 06:57:21,739 INFO L189 CegarLoopUtils]: For program point L326(lines 326 343) no Hoare annotation was computed. [2020-12-22 06:57:21,739 INFO L189 CegarLoopUtils]: For program point L326-1(lines 326 343) no Hoare annotation was computed. [2020-12-22 06:57:21,739 INFO L189 CegarLoopUtils]: For program point L326-2(lines 326 343) no Hoare annotation was computed. [2020-12-22 06:57:21,739 INFO L189 CegarLoopUtils]: For program point L326-3(lines 326 343) no Hoare annotation was computed. [2020-12-22 06:57:21,739 INFO L189 CegarLoopUtils]: For program point L326-4(lines 326 343) no Hoare annotation was computed. [2020-12-22 06:57:21,739 INFO L189 CegarLoopUtils]: For program point L326-5(lines 326 343) no Hoare annotation was computed. [2020-12-22 06:57:21,740 INFO L185 CegarLoopUtils]: At program point L988(lines 983 991) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-12-22 06:57:21,740 INFO L185 CegarLoopUtils]: At program point L988-1(lines 983 991) the Hoare annotation is: false [2020-12-22 06:57:21,740 INFO L185 CegarLoopUtils]: At program point L988-2(lines 983 991) the Hoare annotation is: false [2020-12-22 06:57:21,740 INFO L185 CegarLoopUtils]: At program point L988-3(lines 983 991) the Hoare annotation is: false [2020-12-22 06:57:21,740 INFO L185 CegarLoopUtils]: At program point L988-4(lines 983 991) the Hoare annotation is: false [2020-12-22 06:57:21,740 INFO L185 CegarLoopUtils]: At program point L988-5(lines 983 991) the Hoare annotation is: false [2020-12-22 06:57:21,740 INFO L189 CegarLoopUtils]: For program point L196(lines 195 244) no Hoare annotation was computed. [2020-12-22 06:57:21,740 INFO L189 CegarLoopUtils]: For program point L197(lines 197 201) no Hoare annotation was computed. [2020-12-22 06:57:21,740 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:57:21,741 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 150) no Hoare annotation was computed. [2020-12-22 06:57:21,741 INFO L189 CegarLoopUtils]: For program point L330(lines 330 338) no Hoare annotation was computed. [2020-12-22 06:57:21,741 INFO L189 CegarLoopUtils]: For program point L330-1(lines 330 338) no Hoare annotation was computed. [2020-12-22 06:57:21,741 INFO L189 CegarLoopUtils]: For program point L330-2(lines 330 338) no Hoare annotation was computed. [2020-12-22 06:57:21,741 INFO L189 CegarLoopUtils]: For program point L330-3(lines 330 338) no Hoare annotation was computed. [2020-12-22 06:57:21,741 INFO L189 CegarLoopUtils]: For program point L330-4(lines 330 338) no Hoare annotation was computed. [2020-12-22 06:57:21,741 INFO L189 CegarLoopUtils]: For program point L330-5(lines 330 338) no Hoare annotation was computed. [2020-12-22 06:57:21,741 INFO L189 CegarLoopUtils]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-12-22 06:57:21,742 INFO L192 CegarLoopUtils]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2020-12-22 06:57:21,742 INFO L185 CegarLoopUtils]: At program point L268(lines 267 286) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and (= 1 ~systemActive~0) .cse2 (<= 1 ~waterLevel~0)) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2))) [2020-12-22 06:57:21,742 INFO L189 CegarLoopUtils]: For program point L268-1(lines 268 274) no Hoare annotation was computed. [2020-12-22 06:57:21,742 INFO L185 CegarLoopUtils]: At program point L268-2(lines 267 286) the Hoare annotation is: false [2020-12-22 06:57:21,742 INFO L185 CegarLoopUtils]: At program point L268-3(lines 267 286) the Hoare annotation is: false [2020-12-22 06:57:21,742 INFO L189 CegarLoopUtils]: For program point L205(lines 205 211) no Hoare annotation was computed. [2020-12-22 06:57:21,742 INFO L185 CegarLoopUtils]: At program point L205-1(lines 205 211) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1) .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and .cse5 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse3))) [2020-12-22 06:57:21,743 INFO L185 CegarLoopUtils]: At program point L933(lines 928 936) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-12-22 06:57:21,743 INFO L185 CegarLoopUtils]: At program point L933-1(lines 928 936) the Hoare annotation is: false [2020-12-22 06:57:21,743 INFO L185 CegarLoopUtils]: At program point L933-2(lines 928 936) the Hoare annotation is: (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:57:21,743 INFO L185 CegarLoopUtils]: At program point L933-3(lines 928 936) the Hoare annotation is: false [2020-12-22 06:57:21,743 INFO L185 CegarLoopUtils]: At program point L933-4(lines 928 936) the Hoare annotation is: (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:57:21,743 INFO L185 CegarLoopUtils]: At program point L933-5(lines 928 936) the Hoare annotation is: false [2020-12-22 06:57:21,743 INFO L185 CegarLoopUtils]: At program point L933-6(lines 928 936) the Hoare annotation is: false [2020-12-22 06:57:21,743 INFO L185 CegarLoopUtils]: At program point L933-7(lines 928 936) the Hoare annotation is: false [2020-12-22 06:57:21,744 INFO L185 CegarLoopUtils]: At program point L933-8(lines 928 936) the Hoare annotation is: false [2020-12-22 06:57:21,744 INFO L185 CegarLoopUtils]: At program point L933-9(lines 928 936) the Hoare annotation is: false [2020-12-22 06:57:21,744 INFO L185 CegarLoopUtils]: At program point L933-10(lines 928 936) the Hoare annotation is: false [2020-12-22 06:57:21,744 INFO L185 CegarLoopUtils]: At program point L933-11(lines 928 936) the Hoare annotation is: false [2020-12-22 06:57:21,744 INFO L185 CegarLoopUtils]: At program point L933-12(lines 928 936) the Hoare annotation is: false [2020-12-22 06:57:21,744 INFO L185 CegarLoopUtils]: At program point L933-13(lines 928 936) the Hoare annotation is: false [2020-12-22 06:57:21,744 INFO L189 CegarLoopUtils]: For program point L471(lines 471 475) no Hoare annotation was computed. [2020-12-22 06:57:21,744 INFO L185 CegarLoopUtils]: At program point L933-14(lines 928 936) the Hoare annotation is: false [2020-12-22 06:57:21,744 INFO L189 CegarLoopUtils]: For program point L471-2(lines 471 475) no Hoare annotation was computed. [2020-12-22 06:57:21,745 INFO L189 CegarLoopUtils]: For program point L471-3(lines 471 475) no Hoare annotation was computed. [2020-12-22 06:57:21,745 INFO L189 CegarLoopUtils]: For program point L471-5(lines 471 475) no Hoare annotation was computed. [2020-12-22 06:57:21,745 INFO L189 CegarLoopUtils]: For program point L471-6(lines 471 475) no Hoare annotation was computed. [2020-12-22 06:57:21,745 INFO L189 CegarLoopUtils]: For program point L471-8(lines 471 475) no Hoare annotation was computed. [2020-12-22 06:57:21,745 INFO L189 CegarLoopUtils]: For program point L471-9(lines 471 475) no Hoare annotation was computed. [2020-12-22 06:57:21,745 INFO L192 CegarLoopUtils]: At program point L141(lines 122 144) the Hoare annotation is: true [2020-12-22 06:57:21,745 INFO L189 CegarLoopUtils]: For program point L471-11(lines 471 475) no Hoare annotation was computed. [2020-12-22 06:57:21,745 INFO L189 CegarLoopUtils]: For program point L471-12(lines 471 475) no Hoare annotation was computed. [2020-12-22 06:57:21,745 INFO L189 CegarLoopUtils]: For program point L471-14(lines 471 475) no Hoare annotation was computed. [2020-12-22 06:57:21,746 INFO L189 CegarLoopUtils]: For program point L471-15(lines 471 475) no Hoare annotation was computed. [2020-12-22 06:57:21,746 INFO L189 CegarLoopUtils]: For program point L471-17(lines 471 475) no Hoare annotation was computed. [2020-12-22 06:57:21,746 INFO L189 CegarLoopUtils]: For program point L471-18(lines 471 475) no Hoare annotation was computed. [2020-12-22 06:57:21,746 INFO L189 CegarLoopUtils]: For program point L471-20(lines 471 475) no Hoare annotation was computed. [2020-12-22 06:57:21,746 INFO L189 CegarLoopUtils]: For program point L471-21(lines 471 475) no Hoare annotation was computed. [2020-12-22 06:57:21,746 INFO L189 CegarLoopUtils]: For program point L471-23(lines 471 475) no Hoare annotation was computed. [2020-12-22 06:57:21,746 INFO L189 CegarLoopUtils]: For program point L471-24(lines 471 475) no Hoare annotation was computed. [2020-12-22 06:57:21,746 INFO L189 CegarLoopUtils]: For program point L471-26(lines 471 475) no Hoare annotation was computed. [2020-12-22 06:57:21,746 INFO L189 CegarLoopUtils]: For program point L471-27(lines 471 475) no Hoare annotation was computed. [2020-12-22 06:57:21,746 INFO L189 CegarLoopUtils]: For program point L471-29(lines 471 475) no Hoare annotation was computed. [2020-12-22 06:57:21,747 INFO L189 CegarLoopUtils]: For program point L471-30(lines 471 475) no Hoare annotation was computed. [2020-12-22 06:57:21,747 INFO L189 CegarLoopUtils]: For program point L471-32(lines 471 475) no Hoare annotation was computed. [2020-12-22 06:57:21,747 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 150) no Hoare annotation was computed. [2020-12-22 06:57:21,747 INFO L189 CegarLoopUtils]: For program point L471-33(lines 471 475) no Hoare annotation was computed. [2020-12-22 06:57:21,747 INFO L189 CegarLoopUtils]: For program point L471-35(lines 471 475) no Hoare annotation was computed. [2020-12-22 06:57:21,747 INFO L185 CegarLoopUtils]: At program point L275(lines 275 281) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0)) (.cse0 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse4 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse3) (and .cse4 .cse2 .cse3 (<= 1 ~waterLevel~0)) (and (= ~waterLevel~0 1) .cse0 .cse2 .cse3))) [2020-12-22 06:57:21,747 INFO L185 CegarLoopUtils]: At program point L275-1(lines 275 281) the Hoare annotation is: false [2020-12-22 06:57:21,748 INFO L185 CegarLoopUtils]: At program point L275-2(lines 275 281) the Hoare annotation is: false [2020-12-22 06:57:21,748 INFO L185 CegarLoopUtils]: At program point L477(lines 462 480) the Hoare annotation is: false [2020-12-22 06:57:21,748 INFO L185 CegarLoopUtils]: At program point L477-1(lines 462 480) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not .cse0) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0) .cse1 (not .cse2) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse3 .cse4 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4))) [2020-12-22 06:57:21,748 INFO L185 CegarLoopUtils]: At program point L477-2(lines 462 480) the Hoare annotation is: false [2020-12-22 06:57:21,748 INFO L185 CegarLoopUtils]: At program point L477-3(lines 462 480) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not .cse0) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0) .cse1 (not .cse2) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse3 .cse4 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4))) [2020-12-22 06:57:21,749 INFO L185 CegarLoopUtils]: At program point L477-4(lines 462 480) the Hoare annotation is: false [2020-12-22 06:57:21,749 INFO L185 CegarLoopUtils]: At program point L477-5(lines 462 480) the Hoare annotation is: false [2020-12-22 06:57:21,749 INFO L185 CegarLoopUtils]: At program point L477-6(lines 462 480) the Hoare annotation is: false [2020-12-22 06:57:21,749 INFO L185 CegarLoopUtils]: At program point L477-7(lines 462 480) the Hoare annotation is: false [2020-12-22 06:57:21,749 INFO L185 CegarLoopUtils]: At program point L477-8(lines 462 480) the Hoare annotation is: false [2020-12-22 06:57:21,749 INFO L185 CegarLoopUtils]: At program point L477-9(lines 462 480) the Hoare annotation is: false [2020-12-22 06:57:21,749 INFO L185 CegarLoopUtils]: At program point L477-10(lines 462 480) the Hoare annotation is: false [2020-12-22 06:57:21,749 INFO L185 CegarLoopUtils]: At program point L477-11(lines 462 480) the Hoare annotation is: false [2020-12-22 06:57:21,750 INFO L185 CegarLoopUtils]: At program point L413(lines 406 416) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-12-22 06:57:21,750 INFO L185 CegarLoopUtils]: At program point L413-1(lines 406 416) the Hoare annotation is: false [2020-12-22 06:57:21,750 INFO L185 CegarLoopUtils]: At program point L413-2(lines 406 416) the Hoare annotation is: (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:57:21,750 INFO L185 CegarLoopUtils]: At program point L413-3(lines 406 416) the Hoare annotation is: false [2020-12-22 06:57:21,750 INFO L185 CegarLoopUtils]: At program point L413-4(lines 406 416) the Hoare annotation is: (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:57:21,750 INFO L185 CegarLoopUtils]: At program point L413-5(lines 406 416) the Hoare annotation is: false [2020-12-22 06:57:21,750 INFO L189 CegarLoopUtils]: For program point L215(lines 215 221) no Hoare annotation was computed. [2020-12-22 06:57:21,750 INFO L185 CegarLoopUtils]: At program point L413-6(lines 406 416) the Hoare annotation is: false [2020-12-22 06:57:21,751 INFO L185 CegarLoopUtils]: At program point L215-1(lines 215 221) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1) .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and .cse5 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse3))) [2020-12-22 06:57:21,751 INFO L185 CegarLoopUtils]: At program point L413-7(lines 406 416) the Hoare annotation is: false [2020-12-22 06:57:21,751 INFO L185 CegarLoopUtils]: At program point L413-8(lines 406 416) the Hoare annotation is: false [2020-12-22 06:57:21,751 INFO L185 CegarLoopUtils]: At program point L413-9(lines 406 416) the Hoare annotation is: false [2020-12-22 06:57:21,751 INFO L185 CegarLoopUtils]: At program point L413-10(lines 406 416) the Hoare annotation is: false [2020-12-22 06:57:21,751 INFO L185 CegarLoopUtils]: At program point L413-11(lines 406 416) the Hoare annotation is: false [2020-12-22 06:57:21,751 INFO L185 CegarLoopUtils]: At program point L413-12(lines 406 416) the Hoare annotation is: false [2020-12-22 06:57:21,752 INFO L185 CegarLoopUtils]: At program point L413-13(lines 406 416) the Hoare annotation is: false [2020-12-22 06:57:21,752 INFO L185 CegarLoopUtils]: At program point L413-14(lines 406 416) the Hoare annotation is: false [2020-12-22 06:57:21,752 INFO L189 CegarLoopUtils]: For program point L150(line 150) no Hoare annotation was computed. [2020-12-22 06:57:21,752 INFO L189 CegarLoopUtils]: For program point L150-1(line 150) no Hoare annotation was computed. [2020-12-22 06:57:21,752 INFO L189 CegarLoopUtils]: For program point L150-2(line 150) no Hoare annotation was computed. [2020-12-22 06:57:21,752 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:57:21,752 INFO L189 CegarLoopUtils]: For program point L352(lines 352 369) no Hoare annotation was computed. [2020-12-22 06:57:21,752 INFO L189 CegarLoopUtils]: For program point L352-1(lines 352 369) no Hoare annotation was computed. [2020-12-22 06:57:21,752 INFO L189 CegarLoopUtils]: For program point L352-2(lines 352 369) no Hoare annotation was computed. [2020-12-22 06:57:21,753 INFO L185 CegarLoopUtils]: At program point L1015(lines 1 1026) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:21,753 INFO L185 CegarLoopUtils]: At program point L422(lines 417 425) the Hoare annotation is: false [2020-12-22 06:57:21,753 INFO L185 CegarLoopUtils]: At program point L422-1(lines 417 425) the Hoare annotation is: false [2020-12-22 06:57:21,753 INFO L189 CegarLoopUtils]: For program point L356(lines 356 364) no Hoare annotation was computed. [2020-12-22 06:57:21,753 INFO L185 CegarLoopUtils]: At program point L422-2(lines 417 425) the Hoare annotation is: false [2020-12-22 06:57:21,753 INFO L189 CegarLoopUtils]: For program point L356-1(lines 356 364) no Hoare annotation was computed. [2020-12-22 06:57:21,753 INFO L189 CegarLoopUtils]: For program point L356-2(lines 356 364) no Hoare annotation was computed. [2020-12-22 06:57:21,753 INFO L189 CegarLoopUtils]: For program point L225(lines 225 240) no Hoare annotation was computed. [2020-12-22 06:57:21,753 INFO L189 CegarLoopUtils]: For program point L490(lines 490 494) no Hoare annotation was computed. [2020-12-22 06:57:21,754 INFO L189 CegarLoopUtils]: For program point L490-2(lines 490 494) no Hoare annotation was computed. [2020-12-22 06:57:21,754 INFO L189 CegarLoopUtils]: For program point L490-3(lines 490 494) no Hoare annotation was computed. [2020-12-22 06:57:21,754 INFO L189 CegarLoopUtils]: For program point L490-5(lines 490 494) no Hoare annotation was computed. [2020-12-22 06:57:21,754 INFO L189 CegarLoopUtils]: For program point L490-6(lines 490 494) no Hoare annotation was computed. [2020-12-22 06:57:21,754 INFO L189 CegarLoopUtils]: For program point L490-8(lines 490 494) no Hoare annotation was computed. [2020-12-22 06:57:21,754 INFO L189 CegarLoopUtils]: For program point L490-9(lines 490 494) no Hoare annotation was computed. [2020-12-22 06:57:21,754 INFO L189 CegarLoopUtils]: For program point L490-11(lines 490 494) no Hoare annotation was computed. [2020-12-22 06:57:21,754 INFO L189 CegarLoopUtils]: For program point L490-12(lines 490 494) no Hoare annotation was computed. [2020-12-22 06:57:21,754 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:57:21,754 INFO L189 CegarLoopUtils]: For program point L490-14(lines 490 494) no Hoare annotation was computed. [2020-12-22 06:57:21,755 INFO L189 CegarLoopUtils]: For program point L490-15(lines 490 494) no Hoare annotation was computed. [2020-12-22 06:57:21,755 INFO L189 CegarLoopUtils]: For program point L490-17(lines 490 494) no Hoare annotation was computed. [2020-12-22 06:57:21,755 INFO L185 CegarLoopUtils]: At program point L1023(lines 1018 1026) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:21,755 INFO L189 CegarLoopUtils]: For program point L165(lines 165 178) no Hoare annotation was computed. [2020-12-22 06:57:21,755 INFO L185 CegarLoopUtils]: At program point L165-1(lines 1 1026) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (<= 1 |ULTIMATE.start_getWaterLevel_#res|))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1) (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse1) (and (= 0 ~systemActive~0) .cse2 .cse3 .cse1 .cse4 .cse5) (and (= ~waterLevel~0 1) .cse0 .cse3 .cse1) (and .cse0 .cse2 .cse3 .cse1 .cse4 .cse5))) [2020-12-22 06:57:21,755 INFO L189 CegarLoopUtils]: For program point L165-2(lines 165 178) no Hoare annotation was computed. [2020-12-22 06:57:21,755 INFO L185 CegarLoopUtils]: At program point L165-3(lines 1 1026) the Hoare annotation is: false [2020-12-22 06:57:21,755 INFO L189 CegarLoopUtils]: For program point L165-4(lines 165 178) no Hoare annotation was computed. [2020-12-22 06:57:21,756 INFO L185 CegarLoopUtils]: At program point L165-5(lines 1 1026) the Hoare annotation is: false [2020-12-22 06:57:21,756 INFO L185 CegarLoopUtils]: At program point L496(lines 481 499) the Hoare annotation is: (and (= ULTIMATE.start_isLowWaterLevel_~tmp___0~3 1) (= |ULTIMATE.start_isLowWaterLevel_#res| 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_isLowWaterLevel_~tmp~8 0)) [2020-12-22 06:57:21,756 INFO L185 CegarLoopUtils]: At program point L496-1(lines 481 499) the Hoare annotation is: false [2020-12-22 06:57:21,756 INFO L185 CegarLoopUtils]: At program point L496-2(lines 481 499) the Hoare annotation is: false [2020-12-22 06:57:21,756 INFO L185 CegarLoopUtils]: At program point L496-3(lines 481 499) the Hoare annotation is: false [2020-12-22 06:57:21,757 INFO L185 CegarLoopUtils]: At program point L496-4(lines 481 499) the Hoare annotation is: false [2020-12-22 06:57:21,757 INFO L185 CegarLoopUtils]: At program point L496-5(lines 481 499) the Hoare annotation is: false [2020-12-22 06:57:21,757 INFO L189 CegarLoopUtils]: For program point L233(lines 233 239) no Hoare annotation was computed. [2020-12-22 06:57:21,757 INFO L185 CegarLoopUtils]: At program point L233-1(lines 268 274) the Hoare annotation is: (let ((.cse4 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse0 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse3 (<= 1 ~waterLevel~0)) (and .cse4 .cse1 .cse3) (and (= ~waterLevel~0 1) .cse0 .cse2 .cse3))) [2020-12-22 06:57:21,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:57:21 BoogieIcfgContainer [2020-12-22 06:57:21,793 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:57:21,793 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:57:21,793 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:57:21,794 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:57:21,794 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:06" (3/4) ... [2020-12-22 06:57:21,798 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:57:21,830 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:57:21,832 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:57:21,835 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:57:21,837 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:57:21,840 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:57:21,842 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:21,845 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:21,889 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 0 && 1 == systemActive) && 2 <= tmp) && 2 <= waterLevel) && 2 <= \result) && tmp == 0) && splverifierCounter == 0) || (((((0 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) [2020-12-22 06:57:21,889 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((0 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) [2020-12-22 06:57:21,890 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((0 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) [2020-12-22 06:57:21,891 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0)) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((waterLevel == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:21,892 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && 2 <= \result) && tmp == 0) && splverifierCounter == 0) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) [2020-12-22 06:57:21,895 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:21,897 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\result == 0) && tmp___0 == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:21,898 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel [2020-12-22 06:57:21,899 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:21,899 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp___0 == 1 && \result == 1) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 0 [2020-12-22 06:57:21,899 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0 [2020-12-22 06:57:21,900 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\result == 0) && tmp___0 == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:21,900 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0 [2020-12-22 06:57:21,902 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0 [2020-12-22 06:57:21,902 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0 [2020-12-22 06:57:22,065 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec4_product64.cil.c-witness.graphml [2020-12-22 06:57:22,065 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:57:22,066 INFO L168 Benchmark]: Toolchain (without parser) took 17756.96 ms. Allocated memory was 162.5 MB in the beginning and 248.5 MB in the end (delta: 86.0 MB). Free memory was 137.1 MB in the beginning and 207.7 MB in the end (delta: -70.6 MB). Peak memory consumption was 146.8 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:22,066 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 162.5 MB. Free memory is still 135.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:57:22,067 INFO L168 Benchmark]: CACSL2BoogieTranslator took 709.24 ms. Allocated memory is still 162.5 MB. Free memory was 136.8 MB in the beginning and 114.1 MB in the end (delta: 22.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:22,067 INFO L168 Benchmark]: Boogie Procedure Inliner took 153.80 ms. Allocated memory is still 162.5 MB. Free memory was 114.1 MB in the beginning and 141.1 MB in the end (delta: -27.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:22,067 INFO L168 Benchmark]: Boogie Preprocessor took 79.94 ms. Allocated memory is still 162.5 MB. Free memory was 141.1 MB in the beginning and 136.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:22,068 INFO L168 Benchmark]: RCFGBuilder took 1470.93 ms. Allocated memory is still 162.5 MB. Free memory was 136.9 MB in the beginning and 133.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 90.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:22,068 INFO L168 Benchmark]: TraceAbstraction took 15056.44 ms. Allocated memory was 162.5 MB in the beginning and 248.5 MB in the end (delta: 86.0 MB). Free memory was 133.3 MB in the beginning and 82.0 MB in the end (delta: 51.3 MB). Peak memory consumption was 143.6 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:22,069 INFO L168 Benchmark]: Witness Printer took 271.89 ms. Allocated memory is still 248.5 MB. Free memory was 82.0 MB in the beginning and 207.7 MB in the end (delta: -125.7 MB). Peak memory consumption was 5.4 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:22,071 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 162.5 MB. Free memory is still 135.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 709.24 ms. Allocated memory is still 162.5 MB. Free memory was 136.8 MB in the beginning and 114.1 MB in the end (delta: 22.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 153.80 ms. Allocated memory is still 162.5 MB. Free memory was 114.1 MB in the beginning and 141.1 MB in the end (delta: -27.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 79.94 ms. Allocated memory is still 162.5 MB. Free memory was 141.1 MB in the beginning and 136.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1470.93 ms. Allocated memory is still 162.5 MB. Free memory was 136.9 MB in the beginning and 133.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 90.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 15056.44 ms. Allocated memory was 162.5 MB in the beginning and 248.5 MB in the end (delta: 86.0 MB). Free memory was 133.3 MB in the beginning and 82.0 MB in the end (delta: 51.3 MB). Peak memory consumption was 143.6 MB. Max. memory is 8.0 GB. * Witness Printer took 271.89 ms. Allocated memory is still 248.5 MB. Free memory was 82.0 MB in the beginning and 207.7 MB in the end (delta: -125.7 MB). Peak memory consumption was 5.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 150]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 150]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 150]: 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: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1018]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((0 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: (1 == systemActive && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: ((((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && 2 <= \result) && tmp == 0) && splverifierCounter == 0) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0 - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0)) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((waterLevel == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((0 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: (1 == systemActive && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((\result == 0 && 1 == systemActive) && 2 <= tmp) && 2 <= waterLevel) && 2 <= \result) && tmp == 0) && splverifierCounter == 0) || (((((0 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: ((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((1 == systemActive && splverifierCounter == 0) && 1 <= waterLevel)) || (((waterLevel == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: (((((((!(\result == 0) && tmp___0 == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: (((((((!(\result == 0) && tmp___0 == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0)) || (((waterLevel == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: (((((tmp___0 == 1 && \result == 1) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.9s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2528 SDtfs, 2738 SDslu, 3373 SDs, 0 SdLazy, 454 SolverSat, 95 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 156 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=422occurred 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: 0.4s AutomataMinimizationTime, 15 MinimizatonAttempts, 2039 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 92 LocationsWithAnnotation, 92 PreInvPairs, 250 NumberOfFragments, 777 HoareAnnotationTreeSize, 92 FomulaSimplifications, 1641303 FormulaSimplificationTreeSizeReduction, 2.9s HoareSimplificationTime, 92 FomulaSimplificationsInter, 147998 FormulaSimplificationTreeSizeReductionInter, 6.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 696 NumberOfCodeBlocks, 696 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 680 ConstructedInterpolants, 0 QuantifiedInterpolants, 56030 SizeOfPredicates, 3 NumberOfNonLiveVariables, 460 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...