/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:54:56,130 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:54:56,133 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:54:56,169 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:54:56,169 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:54:56,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:54:56,173 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:54:56,175 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:54:56,178 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:54:56,179 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:54:56,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:54:56,182 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:54:56,182 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:54:56,184 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:54:56,185 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:54:56,187 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:54:56,188 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:54:56,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:54:56,205 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:54:56,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:54:56,214 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:54:56,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:54:56,220 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:54:56,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:54:56,224 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:54:56,228 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:54:56,229 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:54:56,230 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:54:56,231 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:54:56,232 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:54:56,232 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:54:56,233 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:54:56,233 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:54:56,234 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:54:56,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:54:56,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:54:56,237 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:54:56,266 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:54:56,267 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:54:56,268 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:54:56,268 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:54:56,269 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:54:56,269 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:54:56,269 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:54:56,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:54:56,269 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:54:56,270 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:54:56,270 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:54:56,270 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:54:56,270 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:54:56,270 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:54:56,271 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:54:56,271 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:54:56,271 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:54:56,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:54:56,272 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:54:56,272 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:54:56,272 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:54:56,272 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:54:56,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:54:56,272 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:54:56,273 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:54:56,273 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:54:56,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:54:56,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:54:56,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:54:56,695 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:54:56,696 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:54:56,700 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c [2020-12-22 06:54:56,802 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/246e2ab9a/1441ecc5a5ca4c268f56c259b448621f/FLAG31f749e7f [2020-12-22 06:54:57,572 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:54:57,573 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c [2020-12-22 06:54:57,599 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/246e2ab9a/1441ecc5a5ca4c268f56c259b448621f/FLAG31f749e7f [2020-12-22 06:54:57,889 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/246e2ab9a/1441ecc5a5ca4c268f56c259b448621f [2020-12-22 06:54:57,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:54:57,898 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:54:57,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:54:57,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:54:57,911 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:54:57,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:54:57" (1/1) ... [2020-12-22 06:54:57,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e82dcbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:57, skipping insertion in model container [2020-12-22 06:54:57,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:54:57" (1/1) ... [2020-12-22 06:54:57,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:54:58,004 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:54:58,596 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c[18846,18859] [2020-12-22 06:54:58,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:54:58,625 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:54:58,746 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c[18846,18859] [2020-12-22 06:54:58,746 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:54:58,791 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:54:58,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:58 WrapperNode [2020-12-22 06:54:58,792 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:54:58,794 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:54:58,794 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:54:58,794 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:54:58,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:58" (1/1) ... [2020-12-22 06:54:58,824 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:58" (1/1) ... [2020-12-22 06:54:58,912 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:54:58,916 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:54:58,916 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:54:58,917 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:54:58,951 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:58" (1/1) ... [2020-12-22 06:54:58,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:58" (1/1) ... [2020-12-22 06:54:58,971 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:58" (1/1) ... [2020-12-22 06:54:58,971 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:58" (1/1) ... [2020-12-22 06:54:59,010 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:58" (1/1) ... [2020-12-22 06:54:59,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:58" (1/1) ... [2020-12-22 06:54:59,036 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:58" (1/1) ... [2020-12-22 06:54:59,046 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:54:59,047 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:54:59,047 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:54:59,048 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:54:59,049 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:54:59,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:54:59,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:54:59,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:54:59,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:55:00,367 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:55:00,367 INFO L299 CfgBuilder]: Removed 196 assume(true) statements. [2020-12-22 06:55:00,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:55:00 BoogieIcfgContainer [2020-12-22 06:55:00,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:55:00,371 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:55:00,372 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:55:00,375 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:55:00,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:54:57" (1/3) ... [2020-12-22 06:55:00,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@650bde5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:55:00, skipping insertion in model container [2020-12-22 06:55:00,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:58" (2/3) ... [2020-12-22 06:55:00,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@650bde5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:55:00, skipping insertion in model container [2020-12-22 06:55:00,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:55:00" (3/3) ... [2020-12-22 06:55:00,380 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product58.cil.c [2020-12-22 06:55:00,387 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:55:00,392 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:55:00,416 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:55:00,443 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:55:00,444 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:55:00,444 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:55:00,444 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:55:00,444 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:55:00,444 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:55:00,445 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:55:00,445 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:55:00,464 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2020-12-22 06:55:00,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-22 06:55:00,471 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:00,472 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:00,472 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:00,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:00,479 INFO L82 PathProgramCache]: Analyzing trace with hash -203441980, now seen corresponding path program 1 times [2020-12-22 06:55:00,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:00,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651950383] [2020-12-22 06:55:00,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:00,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:00,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:55:00,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651950383] [2020-12-22 06:55:00,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:00,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:55:00,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998424425] [2020-12-22 06:55:00,879 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:55:00,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:00,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:55:00,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:55:00,903 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 2 states. [2020-12-22 06:55:00,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:00,956 INFO L93 Difference]: Finished difference Result 271 states and 408 transitions. [2020-12-22 06:55:00,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:55:00,958 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-12-22 06:55:00,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:00,971 INFO L225 Difference]: With dead ends: 271 [2020-12-22 06:55:00,971 INFO L226 Difference]: Without dead ends: 135 [2020-12-22 06:55:00,975 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:55:00,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-12-22 06:55:01,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2020-12-22 06:55:01,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-12-22 06:55:01,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 196 transitions. [2020-12-22 06:55:01,060 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 196 transitions. Word has length 18 [2020-12-22 06:55:01,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:01,060 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 196 transitions. [2020-12-22 06:55:01,060 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:55:01,061 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 196 transitions. [2020-12-22 06:55:01,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:55:01,062 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:01,062 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:01,063 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:55:01,063 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:01,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:01,064 INFO L82 PathProgramCache]: Analyzing trace with hash -422277949, now seen corresponding path program 1 times [2020-12-22 06:55:01,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:01,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249383156] [2020-12-22 06:55:01,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:01,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:01,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:55:01,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249383156] [2020-12-22 06:55:01,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:01,233 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:55:01,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648664719] [2020-12-22 06:55:01,235 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:55:01,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:01,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:55:01,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:01,237 INFO L87 Difference]: Start difference. First operand 135 states and 196 transitions. Second operand 3 states. [2020-12-22 06:55:01,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:01,269 INFO L93 Difference]: Finished difference Result 135 states and 196 transitions. [2020-12-22 06:55:01,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:55:01,274 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-22 06:55:01,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:01,275 INFO L225 Difference]: With dead ends: 135 [2020-12-22 06:55:01,275 INFO L226 Difference]: Without dead ends: 55 [2020-12-22 06:55:01,277 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:01,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-12-22 06:55:01,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-12-22 06:55:01,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-12-22 06:55:01,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2020-12-22 06:55:01,287 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2020-12-22 06:55:01,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:01,287 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2020-12-22 06:55:01,287 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:55:01,288 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2020-12-22 06:55:01,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:55:01,289 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:01,289 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:01,289 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:55:01,289 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:01,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:01,290 INFO L82 PathProgramCache]: Analyzing trace with hash -622955081, now seen corresponding path program 1 times [2020-12-22 06:55:01,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:01,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662356904] [2020-12-22 06:55:01,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:01,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:01,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:55:01,392 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662356904] [2020-12-22 06:55:01,392 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:01,393 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:55:01,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417657075] [2020-12-22 06:55:01,393 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:01,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:01,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:01,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:01,397 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 5 states. [2020-12-22 06:55:01,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:01,471 INFO L93 Difference]: Finished difference Result 103 states and 151 transitions. [2020-12-22 06:55:01,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:55:01,472 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-12-22 06:55:01,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:01,473 INFO L225 Difference]: With dead ends: 103 [2020-12-22 06:55:01,473 INFO L226 Difference]: Without dead ends: 55 [2020-12-22 06:55:01,474 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:55:01,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-12-22 06:55:01,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-12-22 06:55:01,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-12-22 06:55:01,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2020-12-22 06:55:01,482 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 24 [2020-12-22 06:55:01,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:01,483 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2020-12-22 06:55:01,483 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:01,483 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2020-12-22 06:55:01,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:55:01,485 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:01,485 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:01,485 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:55:01,485 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:01,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:01,486 INFO L82 PathProgramCache]: Analyzing trace with hash -543801984, now seen corresponding path program 1 times [2020-12-22 06:55:01,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:01,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362336641] [2020-12-22 06:55:01,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:01,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:01,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:55:01,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362336641] [2020-12-22 06:55:01,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:01,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:55:01,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607951294] [2020-12-22 06:55:01,590 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:55:01,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:01,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:55:01,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:01,594 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 3 states. [2020-12-22 06:55:01,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:01,667 INFO L93 Difference]: Finished difference Result 125 states and 181 transitions. [2020-12-22 06:55:01,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:55:01,668 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-12-22 06:55:01,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:01,669 INFO L225 Difference]: With dead ends: 125 [2020-12-22 06:55:01,669 INFO L226 Difference]: Without dead ends: 77 [2020-12-22 06:55:01,670 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:01,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-12-22 06:55:01,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2020-12-22 06:55:01,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-12-22 06:55:01,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2020-12-22 06:55:01,690 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 26 [2020-12-22 06:55:01,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:01,690 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2020-12-22 06:55:01,690 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:55:01,690 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2020-12-22 06:55:01,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-22 06:55:01,697 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:01,697 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:01,697 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:55:01,697 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:01,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:01,698 INFO L82 PathProgramCache]: Analyzing trace with hash 433721006, now seen corresponding path program 1 times [2020-12-22 06:55:01,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:01,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822244185] [2020-12-22 06:55:01,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:01,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:01,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:55:01,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822244185] [2020-12-22 06:55:01,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:01,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:55:01,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386889851] [2020-12-22 06:55:01,795 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:55:01,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:01,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:55:01,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:01,797 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand 3 states. [2020-12-22 06:55:01,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:01,827 INFO L93 Difference]: Finished difference Result 194 states and 279 transitions. [2020-12-22 06:55:01,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:55:01,828 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-12-22 06:55:01,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:01,829 INFO L225 Difference]: With dead ends: 194 [2020-12-22 06:55:01,830 INFO L226 Difference]: Without dead ends: 126 [2020-12-22 06:55:01,831 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:01,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-12-22 06:55:01,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 124. [2020-12-22 06:55:01,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-12-22 06:55:01,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 175 transitions. [2020-12-22 06:55:01,850 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 175 transitions. Word has length 32 [2020-12-22 06:55:01,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:01,850 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 175 transitions. [2020-12-22 06:55:01,850 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:55:01,850 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 175 transitions. [2020-12-22 06:55:01,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-22 06:55:01,853 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:01,853 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:01,854 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:55:01,855 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:01,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:01,855 INFO L82 PathProgramCache]: Analyzing trace with hash 1020527020, now seen corresponding path program 1 times [2020-12-22 06:55:01,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:01,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872114364] [2020-12-22 06:55:01,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:01,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:01,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:55:01,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872114364] [2020-12-22 06:55:01,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:01,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:55:01,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854838650] [2020-12-22 06:55:01,968 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:01,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:01,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:01,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:01,970 INFO L87 Difference]: Start difference. First operand 124 states and 175 transitions. Second operand 5 states. [2020-12-22 06:55:02,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:02,111 INFO L93 Difference]: Finished difference Result 622 states and 885 transitions. [2020-12-22 06:55:02,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:55:02,112 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-12-22 06:55:02,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:02,115 INFO L225 Difference]: With dead ends: 622 [2020-12-22 06:55:02,116 INFO L226 Difference]: Without dead ends: 505 [2020-12-22 06:55:02,117 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:55:02,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2020-12-22 06:55:02,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 227. [2020-12-22 06:55:02,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2020-12-22 06:55:02,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 314 transitions. [2020-12-22 06:55:02,161 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 314 transitions. Word has length 32 [2020-12-22 06:55:02,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:02,162 INFO L481 AbstractCegarLoop]: Abstraction has 227 states and 314 transitions. [2020-12-22 06:55:02,162 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:02,163 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 314 transitions. [2020-12-22 06:55:02,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:55:02,168 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:02,170 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:02,170 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:55:02,170 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:02,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:02,172 INFO L82 PathProgramCache]: Analyzing trace with hash 1020370484, now seen corresponding path program 1 times [2020-12-22 06:55:02,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:02,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819934816] [2020-12-22 06:55:02,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:02,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:02,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:55:02,268 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819934816] [2020-12-22 06:55:02,268 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:02,268 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:55:02,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120305588] [2020-12-22 06:55:02,269 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:02,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:02,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:02,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:02,271 INFO L87 Difference]: Start difference. First operand 227 states and 314 transitions. Second operand 5 states. [2020-12-22 06:55:02,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:02,452 INFO L93 Difference]: Finished difference Result 865 states and 1197 transitions. [2020-12-22 06:55:02,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:55:02,452 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-12-22 06:55:02,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:02,456 INFO L225 Difference]: With dead ends: 865 [2020-12-22 06:55:02,457 INFO L226 Difference]: Without dead ends: 645 [2020-12-22 06:55:02,458 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:55:02,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2020-12-22 06:55:02,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 225. [2020-12-22 06:55:02,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-12-22 06:55:02,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 308 transitions. [2020-12-22 06:55:02,483 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 308 transitions. Word has length 33 [2020-12-22 06:55:02,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:02,484 INFO L481 AbstractCegarLoop]: Abstraction has 225 states and 308 transitions. [2020-12-22 06:55:02,484 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:02,484 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 308 transitions. [2020-12-22 06:55:02,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-22 06:55:02,486 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:02,486 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:02,486 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:55:02,487 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:02,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:02,487 INFO L82 PathProgramCache]: Analyzing trace with hash 1031669644, now seen corresponding path program 1 times [2020-12-22 06:55:02,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:02,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067021459] [2020-12-22 06:55:02,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:02,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:02,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:55:02,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067021459] [2020-12-22 06:55:02,543 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:02,543 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:55:02,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843779383] [2020-12-22 06:55:02,544 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:02,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:02,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:02,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:02,546 INFO L87 Difference]: Start difference. First operand 225 states and 308 transitions. Second operand 5 states. [2020-12-22 06:55:02,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:02,630 INFO L93 Difference]: Finished difference Result 609 states and 825 transitions. [2020-12-22 06:55:02,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:55:02,631 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-12-22 06:55:02,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:02,633 INFO L225 Difference]: With dead ends: 609 [2020-12-22 06:55:02,634 INFO L226 Difference]: Without dead ends: 391 [2020-12-22 06:55:02,635 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:55:02,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2020-12-22 06:55:02,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 243. [2020-12-22 06:55:02,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-12-22 06:55:02,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 326 transitions. [2020-12-22 06:55:02,659 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 326 transitions. Word has length 36 [2020-12-22 06:55:02,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:02,659 INFO L481 AbstractCegarLoop]: Abstraction has 243 states and 326 transitions. [2020-12-22 06:55:02,660 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:02,660 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 326 transitions. [2020-12-22 06:55:02,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-22 06:55:02,661 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:02,661 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:02,661 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:55:02,661 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:02,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:02,662 INFO L82 PathProgramCache]: Analyzing trace with hash 20552394, now seen corresponding path program 1 times [2020-12-22 06:55:02,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:02,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771554772] [2020-12-22 06:55:02,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:02,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:55:02,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771554772] [2020-12-22 06:55:02,712 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:02,712 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:55:02,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750656038] [2020-12-22 06:55:02,713 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:55:02,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:02,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:55:02,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:55:02,714 INFO L87 Difference]: Start difference. First operand 243 states and 326 transitions. Second operand 4 states. [2020-12-22 06:55:02,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:02,769 INFO L93 Difference]: Finished difference Result 512 states and 682 transitions. [2020-12-22 06:55:02,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:55:02,770 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2020-12-22 06:55:02,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:02,772 INFO L225 Difference]: With dead ends: 512 [2020-12-22 06:55:02,772 INFO L226 Difference]: Without dead ends: 276 [2020-12-22 06:55:02,773 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 06:55:02,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-12-22 06:55:02,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 204. [2020-12-22 06:55:02,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-12-22 06:55:02,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 267 transitions. [2020-12-22 06:55:02,794 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 267 transitions. Word has length 36 [2020-12-22 06:55:02,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:02,794 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 267 transitions. [2020-12-22 06:55:02,794 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:55:02,794 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 267 transitions. [2020-12-22 06:55:02,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-22 06:55:02,795 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:02,795 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:02,796 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:55:02,796 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:02,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:02,796 INFO L82 PathProgramCache]: Analyzing trace with hash 1819972552, now seen corresponding path program 1 times [2020-12-22 06:55:02,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:02,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272468084] [2020-12-22 06:55:02,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:02,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:55:02,882 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272468084] [2020-12-22 06:55:02,882 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:02,882 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:55:02,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118112463] [2020-12-22 06:55:02,883 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:55:02,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:02,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:55:02,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:55:02,885 INFO L87 Difference]: Start difference. First operand 204 states and 267 transitions. Second operand 6 states. [2020-12-22 06:55:03,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:03,195 INFO L93 Difference]: Finished difference Result 615 states and 805 transitions. [2020-12-22 06:55:03,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-22 06:55:03,199 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2020-12-22 06:55:03,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:03,202 INFO L225 Difference]: With dead ends: 615 [2020-12-22 06:55:03,202 INFO L226 Difference]: Without dead ends: 418 [2020-12-22 06:55:03,203 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-12-22 06:55:03,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2020-12-22 06:55:03,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 204. [2020-12-22 06:55:03,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-12-22 06:55:03,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 262 transitions. [2020-12-22 06:55:03,227 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 262 transitions. Word has length 37 [2020-12-22 06:55:03,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:03,228 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 262 transitions. [2020-12-22 06:55:03,228 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:55:03,228 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 262 transitions. [2020-12-22 06:55:03,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-22 06:55:03,229 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:03,229 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:03,229 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 06:55:03,230 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:03,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:03,230 INFO L82 PathProgramCache]: Analyzing trace with hash -1973086569, now seen corresponding path program 1 times [2020-12-22 06:55:03,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:03,231 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26736965] [2020-12-22 06:55:03,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:03,338 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-22 06:55:03,338 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26736965] [2020-12-22 06:55:03,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:03,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 06:55:03,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693996437] [2020-12-22 06:55:03,339 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 06:55:03,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:03,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 06:55:03,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:55:03,342 INFO L87 Difference]: Start difference. First operand 204 states and 262 transitions. Second operand 7 states. [2020-12-22 06:55:03,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:03,464 INFO L93 Difference]: Finished difference Result 516 states and 678 transitions. [2020-12-22 06:55:03,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:55:03,464 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2020-12-22 06:55:03,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:03,468 INFO L225 Difference]: With dead ends: 516 [2020-12-22 06:55:03,468 INFO L226 Difference]: Without dead ends: 369 [2020-12-22 06:55:03,469 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-12-22 06:55:03,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2020-12-22 06:55:03,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 210. [2020-12-22 06:55:03,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2020-12-22 06:55:03,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 268 transitions. [2020-12-22 06:55:03,511 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 268 transitions. Word has length 58 [2020-12-22 06:55:03,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:03,513 INFO L481 AbstractCegarLoop]: Abstraction has 210 states and 268 transitions. [2020-12-22 06:55:03,513 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 06:55:03,513 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 268 transitions. [2020-12-22 06:55:03,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-22 06:55:03,515 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:03,515 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:03,515 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 06:55:03,516 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:03,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:03,516 INFO L82 PathProgramCache]: Analyzing trace with hash 2063715289, now seen corresponding path program 1 times [2020-12-22 06:55:03,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:03,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542691405] [2020-12-22 06:55:03,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:03,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:03,589 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:55:03,590 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542691405] [2020-12-22 06:55:03,590 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:03,590 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:55:03,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045966633] [2020-12-22 06:55:03,591 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:55:03,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:03,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:55:03,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:03,592 INFO L87 Difference]: Start difference. First operand 210 states and 268 transitions. Second operand 3 states. [2020-12-22 06:55:03,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:03,649 INFO L93 Difference]: Finished difference Result 331 states and 425 transitions. [2020-12-22 06:55:03,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:55:03,650 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-12-22 06:55:03,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:03,652 INFO L225 Difference]: With dead ends: 331 [2020-12-22 06:55:03,653 INFO L226 Difference]: Without dead ends: 329 [2020-12-22 06:55:03,653 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:03,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2020-12-22 06:55:03,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 236. [2020-12-22 06:55:03,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-12-22 06:55:03,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 307 transitions. [2020-12-22 06:55:03,683 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 307 transitions. Word has length 58 [2020-12-22 06:55:03,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:03,683 INFO L481 AbstractCegarLoop]: Abstraction has 236 states and 307 transitions. [2020-12-22 06:55:03,683 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:55:03,683 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 307 transitions. [2020-12-22 06:55:03,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-22 06:55:03,685 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:03,685 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:03,685 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 06:55:03,685 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:03,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:03,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1544417178, now seen corresponding path program 1 times [2020-12-22 06:55:03,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:03,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283174870] [2020-12-22 06:55:03,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:03,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:03,919 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-22 06:55:03,920 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283174870] [2020-12-22 06:55:03,920 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:03,920 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:55:03,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852850438] [2020-12-22 06:55:03,921 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:03,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:03,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:03,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:03,922 INFO L87 Difference]: Start difference. First operand 236 states and 307 transitions. Second operand 5 states. [2020-12-22 06:55:04,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:04,383 INFO L93 Difference]: Finished difference Result 641 states and 850 transitions. [2020-12-22 06:55:04,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:55:04,383 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-12-22 06:55:04,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:04,387 INFO L225 Difference]: With dead ends: 641 [2020-12-22 06:55:04,387 INFO L226 Difference]: Without dead ends: 462 [2020-12-22 06:55:04,388 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:55:04,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2020-12-22 06:55:04,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 269. [2020-12-22 06:55:04,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2020-12-22 06:55:04,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 350 transitions. [2020-12-22 06:55:04,433 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 350 transitions. Word has length 82 [2020-12-22 06:55:04,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:04,433 INFO L481 AbstractCegarLoop]: Abstraction has 269 states and 350 transitions. [2020-12-22 06:55:04,433 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:04,433 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 350 transitions. [2020-12-22 06:55:04,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-22 06:55:04,434 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:04,435 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:04,435 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-22 06:55:04,435 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:04,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:04,436 INFO L82 PathProgramCache]: Analyzing trace with hash 523348824, now seen corresponding path program 1 times [2020-12-22 06:55:04,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:04,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010314178] [2020-12-22 06:55:04,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:04,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:04,508 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:55:04,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010314178] [2020-12-22 06:55:04,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [117029040] [2020-12-22 06:55:04,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:55:04,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:04,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-22 06:55:04,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:55:04,905 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:55:04,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:55:04,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-12-22 06:55:04,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808841793] [2020-12-22 06:55:04,906 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:55:04,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:04,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:55:04,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:55:04,908 INFO L87 Difference]: Start difference. First operand 269 states and 350 transitions. Second operand 4 states. [2020-12-22 06:55:05,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:05,098 INFO L93 Difference]: Finished difference Result 559 states and 728 transitions. [2020-12-22 06:55:05,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:55:05,099 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 82 [2020-12-22 06:55:05,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:05,101 INFO L225 Difference]: With dead ends: 559 [2020-12-22 06:55:05,102 INFO L226 Difference]: Without dead ends: 294 [2020-12-22 06:55:05,102 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:55:05,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2020-12-22 06:55:05,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 274. [2020-12-22 06:55:05,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2020-12-22 06:55:05,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 342 transitions. [2020-12-22 06:55:05,169 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 342 transitions. Word has length 82 [2020-12-22 06:55:05,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:05,169 INFO L481 AbstractCegarLoop]: Abstraction has 274 states and 342 transitions. [2020-12-22 06:55:05,170 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:55:05,170 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 342 transitions. [2020-12-22 06:55:05,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-22 06:55:05,171 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:05,171 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:05,386 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-12-22 06:55:05,387 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:05,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:05,389 INFO L82 PathProgramCache]: Analyzing trace with hash 60063416, now seen corresponding path program 2 times [2020-12-22 06:55:05,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:05,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605733593] [2020-12-22 06:55:05,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:05,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:05,512 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 36 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 06:55:05,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605733593] [2020-12-22 06:55:05,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965991254] [2020-12-22 06:55:05,513 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:55:05,777 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-22 06:55:05,778 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 06:55:05,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-22 06:55:05,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:55:05,871 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-22 06:55:05,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 06:55:05,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2020-12-22 06:55:05,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784159961] [2020-12-22 06:55:05,872 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:55:05,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:05,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:55:05,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:55:05,873 INFO L87 Difference]: Start difference. First operand 274 states and 342 transitions. Second operand 6 states. [2020-12-22 06:55:06,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:06,183 INFO L93 Difference]: Finished difference Result 608 states and 761 transitions. [2020-12-22 06:55:06,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:55:06,184 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2020-12-22 06:55:06,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:06,184 INFO L225 Difference]: With dead ends: 608 [2020-12-22 06:55:06,184 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:55:06,186 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 86 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:55:06,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:55:06,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:55:06,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:55:06,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:55:06,187 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2020-12-22 06:55:06,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:06,187 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:55:06,187 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:55:06,187 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:55:06,187 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:55:06,401 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-12-22 06:55:06,405 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:55:06,912 WARN L197 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 181 [2020-12-22 06:55:07,346 WARN L197 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 181 [2020-12-22 06:55:07,573 WARN L197 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 146 [2020-12-22 06:55:08,123 WARN L197 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 162 [2020-12-22 06:55:08,392 WARN L197 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 126 [2020-12-22 06:55:08,568 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 146 [2020-12-22 06:55:09,011 WARN L197 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 166 [2020-12-22 06:55:09,245 WARN L197 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 118 [2020-12-22 06:55:09,501 WARN L197 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 151 [2020-12-22 06:55:09,725 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 36 [2020-12-22 06:55:10,523 WARN L197 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 35 [2020-12-22 06:55:11,293 WARN L197 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 35 [2020-12-22 06:55:11,919 WARN L197 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 37 [2020-12-22 06:55:12,133 WARN L197 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 29 [2020-12-22 06:55:12,863 WARN L197 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 29 [2020-12-22 06:55:13,344 WARN L197 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 31 [2020-12-22 06:55:13,993 WARN L197 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 37 [2020-12-22 06:55:14,214 WARN L197 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 27 [2020-12-22 06:55:14,971 WARN L197 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 31 [2020-12-22 06:55:15,141 WARN L197 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 25 [2020-12-22 06:55:15,695 WARN L197 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 33 [2020-12-22 06:55:16,366 WARN L197 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 37 [2020-12-22 06:55:16,442 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 996) no Hoare annotation was computed. [2020-12-22 06:55:16,442 INFO L189 CegarLoopUtils]: For program point L696(lines 696 702) no Hoare annotation was computed. [2020-12-22 06:55:16,442 INFO L189 CegarLoopUtils]: For program point L663(lines 663 671) no Hoare annotation was computed. [2020-12-22 06:55:16,442 INFO L189 CegarLoopUtils]: For program point L696-2(lines 696 702) no Hoare annotation was computed. [2020-12-22 06:55:16,443 INFO L189 CegarLoopUtils]: For program point L663-1(lines 663 671) no Hoare annotation was computed. [2020-12-22 06:55:16,443 INFO L189 CegarLoopUtils]: For program point L663-2(lines 663 671) no Hoare annotation was computed. [2020-12-22 06:55:16,443 INFO L189 CegarLoopUtils]: For program point L696-4(lines 696 702) no Hoare annotation was computed. [2020-12-22 06:55:16,443 INFO L189 CegarLoopUtils]: For program point L696-6(lines 696 702) no Hoare annotation was computed. [2020-12-22 06:55:16,443 INFO L189 CegarLoopUtils]: For program point L696-8(lines 696 702) no Hoare annotation was computed. [2020-12-22 06:55:16,443 INFO L189 CegarLoopUtils]: For program point L696-10(lines 696 702) no Hoare annotation was computed. [2020-12-22 06:55:16,444 INFO L185 CegarLoopUtils]: At program point L730(lines 725 733) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~10 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) (not (= 0 ~systemActive~0)) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:55:16,444 INFO L185 CegarLoopUtils]: At program point L730-1(lines 725 733) the Hoare annotation is: false [2020-12-22 06:55:16,444 INFO L185 CegarLoopUtils]: At program point L730-2(lines 725 733) the Hoare annotation is: false [2020-12-22 06:55:16,445 INFO L189 CegarLoopUtils]: For program point L533(lines 532 579) no Hoare annotation was computed. [2020-12-22 06:55:16,445 INFO L189 CegarLoopUtils]: For program point L996(line 996) no Hoare annotation was computed. [2020-12-22 06:55:16,445 INFO L189 CegarLoopUtils]: For program point L996-1(line 996) no Hoare annotation was computed. [2020-12-22 06:55:16,445 INFO L189 CegarLoopUtils]: For program point L996-2(line 996) no Hoare annotation was computed. [2020-12-22 06:55:16,445 INFO L189 CegarLoopUtils]: For program point L798(lines 798 802) no Hoare annotation was computed. [2020-12-22 06:55:16,445 INFO L189 CegarLoopUtils]: For program point L798-2(lines 798 802) no Hoare annotation was computed. [2020-12-22 06:55:16,445 INFO L189 CegarLoopUtils]: For program point L798-3(lines 798 802) no Hoare annotation was computed. [2020-12-22 06:55:16,446 INFO L189 CegarLoopUtils]: For program point L633(lines 633 650) no Hoare annotation was computed. [2020-12-22 06:55:16,446 INFO L189 CegarLoopUtils]: For program point L798-5(lines 798 802) no Hoare annotation was computed. [2020-12-22 06:55:16,446 INFO L189 CegarLoopUtils]: For program point L633-1(lines 633 650) no Hoare annotation was computed. [2020-12-22 06:55:16,446 INFO L189 CegarLoopUtils]: For program point L798-6(lines 798 802) no Hoare annotation was computed. [2020-12-22 06:55:16,446 INFO L189 CegarLoopUtils]: For program point L633-2(lines 633 650) no Hoare annotation was computed. [2020-12-22 06:55:16,446 INFO L189 CegarLoopUtils]: For program point L534(lines 534 538) no Hoare annotation was computed. [2020-12-22 06:55:16,446 INFO L189 CegarLoopUtils]: For program point L633-3(lines 633 650) no Hoare annotation was computed. [2020-12-22 06:55:16,446 INFO L189 CegarLoopUtils]: For program point L798-8(lines 798 802) no Hoare annotation was computed. [2020-12-22 06:55:16,447 INFO L189 CegarLoopUtils]: For program point L633-4(lines 633 650) no Hoare annotation was computed. [2020-12-22 06:55:16,447 INFO L189 CegarLoopUtils]: For program point L633-5(lines 633 650) no Hoare annotation was computed. [2020-12-22 06:55:16,447 INFO L185 CegarLoopUtils]: At program point L138(lines 129 142) the Hoare annotation is: false [2020-12-22 06:55:16,447 INFO L185 CegarLoopUtils]: At program point L138-1(lines 129 142) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse9 (= ~methaneLevelCritical~0 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse8 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse7 .cse8 .cse6) (and .cse0 .cse9 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse9 .cse2 .cse4 .cse5 .cse7 .cse8 .cse6))) [2020-12-22 06:55:16,447 INFO L185 CegarLoopUtils]: At program point L138-2(lines 129 142) the Hoare annotation is: false [2020-12-22 06:55:16,447 INFO L185 CegarLoopUtils]: At program point L138-3(lines 129 142) the Hoare annotation is: false [2020-12-22 06:55:16,448 INFO L185 CegarLoopUtils]: At program point L138-4(lines 129 142) the Hoare annotation is: false [2020-12-22 06:55:16,448 INFO L185 CegarLoopUtils]: At program point L138-5(lines 129 142) the Hoare annotation is: false [2020-12-22 06:55:16,448 INFO L185 CegarLoopUtils]: At program point L601(lines 600 619) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~methAndRunningLastTime~0 0)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5) (and .cse0 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5))) [2020-12-22 06:55:16,448 INFO L189 CegarLoopUtils]: For program point L601-1(lines 601 607) no Hoare annotation was computed. [2020-12-22 06:55:16,448 INFO L185 CegarLoopUtils]: At program point L601-2(lines 600 619) the Hoare annotation is: false [2020-12-22 06:55:16,448 INFO L185 CegarLoopUtils]: At program point L601-3(lines 600 619) the Hoare annotation is: false [2020-12-22 06:55:16,449 INFO L189 CegarLoopUtils]: For program point L570(lines 570 574) no Hoare annotation was computed. [2020-12-22 06:55:16,449 INFO L185 CegarLoopUtils]: At program point L570-2(lines 601 607) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 1)) (.cse7 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ~waterLevel~0) .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse7 .cse4 .cse5 .cse6) (and .cse0 .cse8 .cse2 .cse7 .cse4 .cse5) (and .cse0 (= ~waterLevel~0 1) .cse8 .cse2 .cse3 .cse4 .cse5 .cse6))) [2020-12-22 06:55:16,449 INFO L189 CegarLoopUtils]: For program point L835(lines 835 852) no Hoare annotation was computed. [2020-12-22 06:55:16,449 INFO L185 CegarLoopUtils]: At program point L835-1(lines 1 999) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4 .cse5) (and .cse0 (= ~waterLevel~0 1) .cse6 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 0) .cse6 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5))) [2020-12-22 06:55:16,449 INFO L189 CegarLoopUtils]: For program point L835-2(lines 835 852) no Hoare annotation was computed. [2020-12-22 06:55:16,449 INFO L185 CegarLoopUtils]: At program point L835-3(lines 1 999) the Hoare annotation is: false [2020-12-22 06:55:16,450 INFO L189 CegarLoopUtils]: For program point L835-4(lines 835 852) no Hoare annotation was computed. [2020-12-22 06:55:16,450 INFO L185 CegarLoopUtils]: At program point L835-5(lines 1 999) the Hoare annotation is: false [2020-12-22 06:55:16,450 INFO L189 CegarLoopUtils]: For program point L637(lines 637 645) no Hoare annotation was computed. [2020-12-22 06:55:16,450 INFO L189 CegarLoopUtils]: For program point L637-1(lines 637 645) no Hoare annotation was computed. [2020-12-22 06:55:16,450 INFO L189 CegarLoopUtils]: For program point L637-2(lines 637 645) no Hoare annotation was computed. [2020-12-22 06:55:16,450 INFO L189 CegarLoopUtils]: For program point L637-3(lines 637 645) no Hoare annotation was computed. [2020-12-22 06:55:16,450 INFO L189 CegarLoopUtils]: For program point L637-4(lines 637 645) no Hoare annotation was computed. [2020-12-22 06:55:16,450 INFO L189 CegarLoopUtils]: For program point L637-5(lines 637 645) no Hoare annotation was computed. [2020-12-22 06:55:16,451 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 996) no Hoare annotation was computed. [2020-12-22 06:55:16,451 INFO L185 CegarLoopUtils]: At program point L804(lines 789 807) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (not (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 0))) (.cse2 (not (= |ULTIMATE.start_isLowWaterLevel_#res| 0))) (.cse3 (let ((.cse9 (= ~waterLevel~0 0))) (or (and (= ULTIMATE.start_isLowWaterLevel_~tmp~8 1) .cse9) (and (not .cse9) (= ULTIMATE.start_isLowWaterLevel_~tmp~8 0))))) (.cse4 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse5 (not (= 0 ~systemActive~0))) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse8 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8))) [2020-12-22 06:55:16,451 INFO L185 CegarLoopUtils]: At program point L804-1(lines 789 807) the Hoare annotation is: false [2020-12-22 06:55:16,451 INFO L185 CegarLoopUtils]: At program point L804-2(lines 789 807) the Hoare annotation is: false [2020-12-22 06:55:16,451 INFO L189 CegarLoopUtils]: For program point L839(lines 839 849) no Hoare annotation was computed. [2020-12-22 06:55:16,451 INFO L189 CegarLoopUtils]: For program point L839-2(lines 839 849) no Hoare annotation was computed. [2020-12-22 06:55:16,451 INFO L189 CegarLoopUtils]: For program point L839-4(lines 839 849) no Hoare annotation was computed. [2020-12-22 06:55:16,452 INFO L185 CegarLoopUtils]: At program point L608(lines 608 614) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse5 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse5 .cse3 .cse6 .cse4) (and .cse0 (= ~methaneLevelCritical~0 1) .cse2 .cse5 .cse3 .cse6 .cse4))) [2020-12-22 06:55:16,452 INFO L185 CegarLoopUtils]: At program point L608-1(lines 608 614) the Hoare annotation is: false [2020-12-22 06:55:16,452 INFO L189 CegarLoopUtils]: For program point L542(lines 542 548) no Hoare annotation was computed. [2020-12-22 06:55:16,452 INFO L185 CegarLoopUtils]: At program point L608-2(lines 608 614) the Hoare annotation is: false [2020-12-22 06:55:16,452 INFO L185 CegarLoopUtils]: At program point L542-1(lines 542 548) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 0) .cse7 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (<= 2 ~waterLevel~0) .cse3 .cse5 .cse6))) [2020-12-22 06:55:16,452 INFO L189 CegarLoopUtils]: For program point L80(lines 80 84) no Hoare annotation was computed. [2020-12-22 06:55:16,452 INFO L189 CegarLoopUtils]: For program point L840(lines 840 846) no Hoare annotation was computed. [2020-12-22 06:55:16,453 INFO L185 CegarLoopUtils]: At program point L906-2(lines 906 920) the Hoare annotation is: false [2020-12-22 06:55:16,453 INFO L189 CegarLoopUtils]: For program point L840-2(lines 840 846) no Hoare annotation was computed. [2020-12-22 06:55:16,453 INFO L189 CegarLoopUtils]: For program point L840-4(lines 840 846) no Hoare annotation was computed. [2020-12-22 06:55:16,453 INFO L189 CegarLoopUtils]: For program point L907(line 907) no Hoare annotation was computed. [2020-12-22 06:55:16,453 INFO L185 CegarLoopUtils]: At program point L148(lines 143 151) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3 .cse4 .cse5 (= ~methAndRunningLastTime~0 0)) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-12-22 06:55:16,453 INFO L185 CegarLoopUtils]: At program point L148-1(lines 143 151) the Hoare annotation is: false [2020-12-22 06:55:16,453 INFO L185 CegarLoopUtils]: At program point L148-2(lines 143 151) the Hoare annotation is: false [2020-12-22 06:55:16,454 INFO L189 CegarLoopUtils]: For program point L910(lines 910 914) no Hoare annotation was computed. [2020-12-22 06:55:16,454 INFO L189 CegarLoopUtils]: For program point L910-1(lines 601 607) no Hoare annotation was computed. [2020-12-22 06:55:16,454 INFO L185 CegarLoopUtils]: At program point L580(lines 531 581) the Hoare annotation is: false [2020-12-22 06:55:16,454 INFO L189 CegarLoopUtils]: For program point L779(lines 779 783) no Hoare annotation was computed. [2020-12-22 06:55:16,454 INFO L189 CegarLoopUtils]: For program point L779-2(lines 779 783) no Hoare annotation was computed. [2020-12-22 06:55:16,454 INFO L189 CegarLoopUtils]: For program point L779-3(lines 779 783) no Hoare annotation was computed. [2020-12-22 06:55:16,454 INFO L189 CegarLoopUtils]: For program point L779-5(lines 779 783) no Hoare annotation was computed. [2020-12-22 06:55:16,454 INFO L189 CegarLoopUtils]: For program point L779-6(lines 779 783) no Hoare annotation was computed. [2020-12-22 06:55:16,455 INFO L189 CegarLoopUtils]: For program point L779-8(lines 779 783) no Hoare annotation was computed. [2020-12-22 06:55:16,455 INFO L189 CegarLoopUtils]: For program point L779-9(lines 779 783) no Hoare annotation was computed. [2020-12-22 06:55:16,455 INFO L189 CegarLoopUtils]: For program point L779-11(lines 779 783) no Hoare annotation was computed. [2020-12-22 06:55:16,455 INFO L189 CegarLoopUtils]: For program point L779-12(lines 779 783) no Hoare annotation was computed. [2020-12-22 06:55:16,455 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:55:16,455 INFO L189 CegarLoopUtils]: For program point L779-14(lines 779 783) no Hoare annotation was computed. [2020-12-22 06:55:16,455 INFO L189 CegarLoopUtils]: For program point L779-15(lines 779 783) no Hoare annotation was computed. [2020-12-22 06:55:16,455 INFO L189 CegarLoopUtils]: For program point L779-17(lines 779 783) no Hoare annotation was computed. [2020-12-22 06:55:16,456 INFO L189 CegarLoopUtils]: For program point L978(lines 978 985) no Hoare annotation was computed. [2020-12-22 06:55:16,456 INFO L192 CegarLoopUtils]: At program point L978-1(lines 978 985) the Hoare annotation is: true [2020-12-22 06:55:16,456 INFO L189 CegarLoopUtils]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-12-22 06:55:16,456 INFO L189 CegarLoopUtils]: For program point L56-3(lines 56 60) no Hoare annotation was computed. [2020-12-22 06:55:16,456 INFO L185 CegarLoopUtils]: At program point L882(lines 1 999) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-12-22 06:55:16,456 INFO L189 CegarLoopUtils]: For program point L56-6(lines 56 60) no Hoare annotation was computed. [2020-12-22 06:55:16,456 INFO L189 CegarLoopUtils]: For program point L552(lines 552 558) no Hoare annotation was computed. [2020-12-22 06:55:16,457 INFO L185 CegarLoopUtils]: At program point L552-1(lines 552 558) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 1)) (.cse7 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ~waterLevel~0) .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse7 .cse4 .cse5 .cse6) (and .cse0 .cse8 .cse2 .cse7 .cse4 .cse5) (and .cse0 (= ~waterLevel~0 1) .cse8 .cse2 .cse3 .cse4 .cse5 .cse6))) [2020-12-22 06:55:16,457 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:55:16,457 INFO L185 CegarLoopUtils]: At program point L785(lines 770 788) the Hoare annotation is: false [2020-12-22 06:55:16,457 INFO L185 CegarLoopUtils]: At program point L785-1(lines 770 788) the Hoare annotation is: (let ((.cse7 (= ~methaneLevelCritical~0 1)) (.cse3 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse9 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse10 (<= 1 ~waterLevel~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse8 .cse2 .cse9 .cse4 .cse10 .cse5 .cse6) (and .cse0 .cse7 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse8 .cse1 .cse2 .cse9 .cse4 .cse5 .cse10 .cse6))) [2020-12-22 06:55:16,457 INFO L185 CegarLoopUtils]: At program point L785-2(lines 770 788) the Hoare annotation is: false [2020-12-22 06:55:16,457 INFO L185 CegarLoopUtils]: At program point L785-3(lines 770 788) the Hoare annotation is: false [2020-12-22 06:55:16,458 INFO L185 CegarLoopUtils]: At program point L785-4(lines 770 788) the Hoare annotation is: false [2020-12-22 06:55:16,458 INFO L185 CegarLoopUtils]: At program point L785-5(lines 770 788) the Hoare annotation is: false [2020-12-22 06:55:16,458 INFO L185 CegarLoopUtils]: At program point L93(lines 88 96) the Hoare annotation is: false [2020-12-22 06:55:16,458 INFO L185 CegarLoopUtils]: At program point L93-1(lines 88 96) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3 .cse4 .cse5) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-12-22 06:55:16,458 INFO L185 CegarLoopUtils]: At program point L93-2(lines 88 96) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse2 .cse6 .cse7 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse7 .cse4 .cse5))) [2020-12-22 06:55:16,459 INFO L185 CegarLoopUtils]: At program point L93-3(lines 88 96) the Hoare annotation is: false [2020-12-22 06:55:16,459 INFO L185 CegarLoopUtils]: At program point L93-4(lines 88 96) the Hoare annotation is: false [2020-12-22 06:55:16,459 INFO L185 CegarLoopUtils]: At program point L93-5(lines 88 96) the Hoare annotation is: false [2020-12-22 06:55:16,459 INFO L185 CegarLoopUtils]: At program point L93-6(lines 88 96) the Hoare annotation is: false [2020-12-22 06:55:16,459 INFO L185 CegarLoopUtils]: At program point L93-7(lines 88 96) the Hoare annotation is: false [2020-12-22 06:55:16,459 INFO L185 CegarLoopUtils]: At program point L93-8(lines 88 96) the Hoare annotation is: false [2020-12-22 06:55:16,459 INFO L185 CegarLoopUtils]: At program point L721(lines 714 724) the Hoare annotation is: false [2020-12-22 06:55:16,460 INFO L185 CegarLoopUtils]: At program point L721-1(lines 714 724) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneAlarm_#res| 1) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3 .cse4 .cse5))) [2020-12-22 06:55:16,460 INFO L185 CegarLoopUtils]: At program point L721-2(lines 714 724) the Hoare annotation is: false [2020-12-22 06:55:16,460 INFO L185 CegarLoopUtils]: At program point L721-3(lines 714 724) the Hoare annotation is: false [2020-12-22 06:55:16,460 INFO L185 CegarLoopUtils]: At program point L721-4(lines 714 724) the Hoare annotation is: false [2020-12-22 06:55:16,460 INFO L185 CegarLoopUtils]: At program point L721-5(lines 714 724) the Hoare annotation is: false [2020-12-22 06:55:16,460 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:55:16,460 INFO L192 CegarLoopUtils]: At program point L987(lines 968 990) the Hoare annotation is: true [2020-12-22 06:55:16,461 INFO L185 CegarLoopUtils]: At program point L954(lines 950 956) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~10 1) (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-12-22 06:55:16,461 INFO L185 CegarLoopUtils]: At program point L890(lines 885 893) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-12-22 06:55:16,461 INFO L185 CegarLoopUtils]: At program point L824(lines 819 826) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~10 1) (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-12-22 06:55:16,461 INFO L189 CegarLoopUtils]: For program point L659(lines 659 676) no Hoare annotation was computed. [2020-12-22 06:55:16,461 INFO L189 CegarLoopUtils]: For program point L659-1(lines 659 676) no Hoare annotation was computed. [2020-12-22 06:55:16,461 INFO L189 CegarLoopUtils]: For program point L659-2(lines 659 676) no Hoare annotation was computed. [2020-12-22 06:55:16,461 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:55:16,462 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 996) no Hoare annotation was computed. [2020-12-22 06:55:16,462 INFO L189 CegarLoopUtils]: For program point L562(lines 562 575) no Hoare annotation was computed. [2020-12-22 06:55:16,462 INFO L189 CegarLoopUtils]: For program point L133(lines 133 139) no Hoare annotation was computed. [2020-12-22 06:55:16,462 INFO L189 CegarLoopUtils]: For program point L133-1(lines 133 139) no Hoare annotation was computed. [2020-12-22 06:55:16,462 INFO L189 CegarLoopUtils]: For program point L133-2(lines 133 139) no Hoare annotation was computed. [2020-12-22 06:55:16,462 INFO L189 CegarLoopUtils]: For program point L133-3(lines 133 139) no Hoare annotation was computed. [2020-12-22 06:55:16,462 INFO L189 CegarLoopUtils]: For program point L133-4(lines 133 139) no Hoare annotation was computed. [2020-12-22 06:55:16,463 INFO L189 CegarLoopUtils]: For program point L133-5(lines 133 139) no Hoare annotation was computed. [2020-12-22 06:55:16,463 INFO L189 CegarLoopUtils]: For program point L68(lines 68 72) no Hoare annotation was computed. [2020-12-22 06:55:16,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:55:16 BoogieIcfgContainer [2020-12-22 06:55:16,543 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:55:16,543 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:55:16,543 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:55:16,543 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:55:16,547 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:55:00" (3/4) ... [2020-12-22 06:55:16,553 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:55:16,585 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:55:16,586 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:55:16,588 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:55:16,589 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:55:16,590 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:55:16,591 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:55:16,592 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:55:16,627 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-12-22 06:55:16,627 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && waterLevel == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-12-22 06:55:16,627 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && waterLevel == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-12-22 06:55:16,627 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((((tmp == 1 && waterLevel == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((tmp == 1 && tmp == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) [2020-12-22 06:55:16,628 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((tmp == 1 && tmp == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) [2020-12-22 06:55:16,629 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || ((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && waterLevel == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) [2020-12-22 06:55:16,631 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || ((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && waterLevel == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) [2020-12-22 06:55:16,631 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || ((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-12-22 06:55:16,632 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-12-22 06:55:16,634 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:55:16,635 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-12-22 06:55:16,635 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && \result == 1) [2020-12-22 06:55:16,635 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-12-22 06:55:16,636 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1 && !(tmp___0 == 0)) && methaneLevelCritical == 1) && !(\result == 0)) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0))) && \result == 0) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((((((tmp == 1 && !(tmp___0 == 0)) && !(\result == 0)) && methaneLevelCritical == 0) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0))) && \result == 0) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-12-22 06:55:16,637 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((((tmp == 1 && methaneLevelCritical == 1) && tmp___0 == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((tmp == 1 && tmp___0 == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-12-22 06:55:16,640 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:55:16,641 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:55:16,774 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec2_product58.cil.c-witness.graphml [2020-12-22 06:55:16,775 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:55:16,777 INFO L168 Benchmark]: Toolchain (without parser) took 18878.41 ms. Allocated memory was 168.8 MB in the beginning and 419.4 MB in the end (delta: 250.6 MB). Free memory was 143.0 MB in the beginning and 185.1 MB in the end (delta: -42.1 MB). Peak memory consumption was 209.5 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:16,777 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 168.8 MB. Free memory is still 141.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:55:16,777 INFO L168 Benchmark]: CACSL2BoogieTranslator took 890.11 ms. Allocated memory is still 168.8 MB. Free memory was 142.9 MB in the beginning and 120.7 MB in the end (delta: 22.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:16,778 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.69 ms. Allocated memory is still 168.8 MB. Free memory was 120.5 MB in the beginning and 150.1 MB in the end (delta: -29.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:16,778 INFO L168 Benchmark]: Boogie Preprocessor took 130.26 ms. Allocated memory is still 168.8 MB. Free memory was 150.1 MB in the beginning and 147.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:16,778 INFO L168 Benchmark]: RCFGBuilder took 1322.57 ms. Allocated memory is still 168.8 MB. Free memory was 147.3 MB in the beginning and 78.7 MB in the end (delta: 68.6 MB). Peak memory consumption was 68.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:16,779 INFO L168 Benchmark]: TraceAbstraction took 16171.30 ms. Allocated memory was 168.8 MB in the beginning and 419.4 MB in the end (delta: 250.6 MB). Free memory was 78.2 MB in the beginning and 197.7 MB in the end (delta: -119.4 MB). Peak memory consumption was 137.5 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:16,780 INFO L168 Benchmark]: Witness Printer took 231.56 ms. Allocated memory is still 419.4 MB. Free memory was 197.7 MB in the beginning and 185.1 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:16,782 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 168.8 MB. Free memory is still 141.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 890.11 ms. Allocated memory is still 168.8 MB. Free memory was 142.9 MB in the beginning and 120.7 MB in the end (delta: 22.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 118.69 ms. Allocated memory is still 168.8 MB. Free memory was 120.5 MB in the beginning and 150.1 MB in the end (delta: -29.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 130.26 ms. Allocated memory is still 168.8 MB. Free memory was 150.1 MB in the beginning and 147.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1322.57 ms. Allocated memory is still 168.8 MB. Free memory was 147.3 MB in the beginning and 78.7 MB in the end (delta: 68.6 MB). Peak memory consumption was 68.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 16171.30 ms. Allocated memory was 168.8 MB in the beginning and 419.4 MB in the end (delta: 250.6 MB). Free memory was 78.2 MB in the beginning and 197.7 MB in the end (delta: -119.4 MB). Peak memory consumption was 137.5 MB. Max. memory is 8.0 GB. * Witness Printer took 231.56 ms. Allocated memory is still 419.4 MB. Free memory was 197.7 MB in the beginning and 185.1 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 996]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 996]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 996]: 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: 789]: Loop Invariant Derived loop invariant: (((((((((tmp == 1 && !(tmp___0 == 0)) && methaneLevelCritical == 1) && !(\result == 0)) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0))) && \result == 0) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((((((tmp == 1 && !(tmp___0 == 0)) && !(\result == 0)) && methaneLevelCritical == 0) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0))) && \result == 0) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: (((((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || ((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && waterLevel == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: (((((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || ((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && waterLevel == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: (((((tmp == 1 && waterLevel == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: (((((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((tmp == 1 && tmp == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || ((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: (((((tmp == 1 && waterLevel == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((((tmp == 1 && waterLevel == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((tmp == 1 && tmp == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && \result == 1) - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((((tmp == 1 && methaneLevelCritical == 1) && tmp___0 == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((tmp == 1 && tmp___0 == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 139 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.9s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1701 SDtfs, 2214 SDslu, 2659 SDs, 0 SdLazy, 377 SolverSat, 70 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 274 GetRequests, 206 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=274occurred 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, 1601 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 189 NumberOfFragments, 1180 HoareAnnotationTreeSize, 56 FomulaSimplifications, 3341990 FormulaSimplificationTreeSizeReduction, 3.1s HoareSimplificationTime, 56 FomulaSimplificationsInter, 773773 FormulaSimplificationTreeSizeReductionInter, 6.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 821 NumberOfCodeBlocks, 821 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 804 ConstructedInterpolants, 0 QuantifiedInterpolants, 93925 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1044 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 17 InterpolantComputations, 14 PerfectInterpolantSequences, 255/290 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...