/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_spec3_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:55:42,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:55:42,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:55:42,854 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:55:42,855 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:55:42,859 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:55:42,863 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:55:42,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:55:42,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:55:42,881 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:55:42,882 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:55:42,884 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:55:42,884 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:55:42,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:55:42,889 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:55:42,891 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:55:42,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:55:42,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:55:42,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:55:42,922 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:55:42,925 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:55:42,927 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:55:42,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:55:42,931 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:55:42,934 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:55:42,938 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:55:42,939 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:55:42,940 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:55:42,941 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:55:42,942 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:55:42,942 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:55:42,943 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:55:42,943 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:55:42,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:55:42,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:55:42,945 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:55:42,946 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:55:42,975 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:55:42,976 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:55:42,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:55:42,978 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:55:42,978 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:55:42,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:55:42,978 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:55:42,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:55:42,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:55:42,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:55:42,979 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:55:42,980 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:55:42,980 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:55:42,980 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:55:42,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:55:42,981 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:55:42,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:55:42,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:55:42,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:55:42,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:55:42,982 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:55:42,982 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:55:42,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:55:42,982 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:55:42,982 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:55:42,983 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:55:43,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:55:43,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:55:43,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:55:43,485 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:55:43,486 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:55:43,487 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c [2020-12-22 06:55:43,585 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a24b33f8/100d20bb40e648b7870ad638804a70ed/FLAG965976bb7 [2020-12-22 06:55:44,294 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:55:44,295 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c [2020-12-22 06:55:44,316 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a24b33f8/100d20bb40e648b7870ad638804a70ed/FLAG965976bb7 [2020-12-22 06:55:44,525 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a24b33f8/100d20bb40e648b7870ad638804a70ed [2020-12-22 06:55:44,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:55:44,531 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:55:44,535 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:55:44,535 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:55:44,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:55:44,542 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:55:44" (1/1) ... [2020-12-22 06:55:44,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43222bb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:44, skipping insertion in model container [2020-12-22 06:55:44,545 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:55:44" (1/1) ... [2020-12-22 06:55:44,559 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:55:44,636 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:55:45,092 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_spec3_product50.cil.c[14819,14832] [2020-12-22 06:55:45,140 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:55:45,161 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:55:45,233 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_spec3_product50.cil.c[14819,14832] [2020-12-22 06:55:45,244 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:55:45,282 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:55:45,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:45 WrapperNode [2020-12-22 06:55:45,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:55:45,284 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:55:45,285 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:55:45,285 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:55:45,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:45" (1/1) ... [2020-12-22 06:55:45,313 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:45" (1/1) ... [2020-12-22 06:55:45,384 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:55:45,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:55:45,385 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:55:45,386 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:55:45,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:45" (1/1) ... [2020-12-22 06:55:45,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:45" (1/1) ... [2020-12-22 06:55:45,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:45" (1/1) ... [2020-12-22 06:55:45,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:45" (1/1) ... [2020-12-22 06:55:45,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:45" (1/1) ... [2020-12-22 06:55:45,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:45" (1/1) ... [2020-12-22 06:55:45,468 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:45" (1/1) ... [2020-12-22 06:55:45,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:55:45,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:55:45,483 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:55:45,483 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:55:45,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:55:45,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:55:45,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:55:45,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:55:45,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:55:46,795 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:55:46,795 INFO L299 CfgBuilder]: Removed 164 assume(true) statements. [2020-12-22 06:55:46,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:55:46 BoogieIcfgContainer [2020-12-22 06:55:46,798 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:55:46,800 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:55:46,800 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:55:46,804 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:55:46,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:55:44" (1/3) ... [2020-12-22 06:55:46,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@658468ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:55:46, skipping insertion in model container [2020-12-22 06:55:46,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:45" (2/3) ... [2020-12-22 06:55:46,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@658468ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:55:46, skipping insertion in model container [2020-12-22 06:55:46,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:55:46" (3/3) ... [2020-12-22 06:55:46,808 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product50.cil.c [2020-12-22 06:55:46,815 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:55:46,821 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:55:46,841 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:55:46,873 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:55:46,873 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:55:46,873 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:55:46,873 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:55:46,873 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:55:46,873 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:55:46,874 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:55:46,874 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:55:46,895 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2020-12-22 06:55:46,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-22 06:55:46,903 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:46,904 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 06:55:46,904 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:46,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:46,911 INFO L82 PathProgramCache]: Analyzing trace with hash -370159664, now seen corresponding path program 1 times [2020-12-22 06:55:46,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:46,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603494191] [2020-12-22 06:55:46,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:47,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:47,256 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 06:55:47,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603494191] [2020-12-22 06:55:47,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:47,258 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:55:47,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245214983] [2020-12-22 06:55:47,263 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:55:47,264 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:47,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:55:47,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:55:47,280 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 2 states. [2020-12-22 06:55:47,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:47,331 INFO L93 Difference]: Finished difference Result 240 states and 365 transitions. [2020-12-22 06:55:47,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:55:47,354 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-12-22 06:55:47,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:47,375 INFO L225 Difference]: With dead ends: 240 [2020-12-22 06:55:47,375 INFO L226 Difference]: Without dead ends: 119 [2020-12-22 06:55:47,380 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 06:55:47,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-12-22 06:55:47,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2020-12-22 06:55:47,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-12-22 06:55:47,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 174 transitions. [2020-12-22 06:55:47,470 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 174 transitions. Word has length 18 [2020-12-22 06:55:47,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:47,471 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 174 transitions. [2020-12-22 06:55:47,471 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:55:47,471 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 174 transitions. [2020-12-22 06:55:47,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:55:47,473 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:47,473 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 06:55:47,474 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:55:47,474 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:47,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:47,476 INFO L82 PathProgramCache]: Analyzing trace with hash -37103251, now seen corresponding path program 1 times [2020-12-22 06:55:47,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:47,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730221440] [2020-12-22 06:55:47,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:47,623 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 06:55:47,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730221440] [2020-12-22 06:55:47,624 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:47,624 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:55:47,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240535631] [2020-12-22 06:55:47,626 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:55:47,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:47,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:55:47,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:47,627 INFO L87 Difference]: Start difference. First operand 119 states and 174 transitions. Second operand 3 states. [2020-12-22 06:55:47,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:47,640 INFO L93 Difference]: Finished difference Result 119 states and 174 transitions. [2020-12-22 06:55:47,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:55:47,641 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-22 06:55:47,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:47,642 INFO L225 Difference]: With dead ends: 119 [2020-12-22 06:55:47,642 INFO L226 Difference]: Without dead ends: 49 [2020-12-22 06:55:47,643 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 06:55:47,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-12-22 06:55:47,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-12-22 06:55:47,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-12-22 06:55:47,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2020-12-22 06:55:47,650 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2020-12-22 06:55:47,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:47,650 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2020-12-22 06:55:47,650 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:55:47,650 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2020-12-22 06:55:47,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:55:47,651 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:47,651 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 06:55:47,652 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:55:47,652 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:47,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:47,653 INFO L82 PathProgramCache]: Analyzing trace with hash 1803952717, now seen corresponding path program 1 times [2020-12-22 06:55:47,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:47,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022887121] [2020-12-22 06:55:47,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:47,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:47,776 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 06:55:47,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022887121] [2020-12-22 06:55:47,777 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:47,777 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:55:47,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564310957] [2020-12-22 06:55:47,778 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:55:47,778 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:47,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:55:47,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:47,779 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 3 states. [2020-12-22 06:55:47,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:47,807 INFO L93 Difference]: Finished difference Result 92 states and 136 transitions. [2020-12-22 06:55:47,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:55:47,808 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-12-22 06:55:47,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:47,809 INFO L225 Difference]: With dead ends: 92 [2020-12-22 06:55:47,809 INFO L226 Difference]: Without dead ends: 49 [2020-12-22 06:55:47,810 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 06:55:47,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-12-22 06:55:47,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-12-22 06:55:47,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-12-22 06:55:47,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2020-12-22 06:55:47,817 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 24 [2020-12-22 06:55:47,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:47,817 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2020-12-22 06:55:47,817 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:55:47,817 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2020-12-22 06:55:47,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:55:47,819 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:47,819 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 06:55:47,819 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:55:47,819 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:47,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:47,820 INFO L82 PathProgramCache]: Analyzing trace with hash -1055002865, now seen corresponding path program 1 times [2020-12-22 06:55:47,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:47,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043266274] [2020-12-22 06:55:47,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:47,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:47,879 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 06:55:47,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043266274] [2020-12-22 06:55:47,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:47,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:55:47,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039784727] [2020-12-22 06:55:47,883 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:55:47,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:47,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:55:47,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:47,885 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand 3 states. [2020-12-22 06:55:47,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:47,917 INFO L93 Difference]: Finished difference Result 115 states and 167 transitions. [2020-12-22 06:55:47,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:55:47,918 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-12-22 06:55:47,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:47,919 INFO L225 Difference]: With dead ends: 115 [2020-12-22 06:55:47,919 INFO L226 Difference]: Without dead ends: 72 [2020-12-22 06:55:47,920 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 06:55:47,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-12-22 06:55:47,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 70. [2020-12-22 06:55:47,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-12-22 06:55:47,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 99 transitions. [2020-12-22 06:55:47,928 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 99 transitions. Word has length 26 [2020-12-22 06:55:47,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:47,929 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 99 transitions. [2020-12-22 06:55:47,929 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:55:47,929 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 99 transitions. [2020-12-22 06:55:47,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-22 06:55:47,930 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:47,930 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 06:55:47,930 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:55:47,931 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:47,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:47,931 INFO L82 PathProgramCache]: Analyzing trace with hash -1200859520, now seen corresponding path program 1 times [2020-12-22 06:55:47,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:47,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578498513] [2020-12-22 06:55:47,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:47,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:48,006 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 06:55:48,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578498513] [2020-12-22 06:55:48,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:48,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:55:48,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144159634] [2020-12-22 06:55:48,007 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:48,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:48,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:48,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:48,009 INFO L87 Difference]: Start difference. First operand 70 states and 99 transitions. Second operand 5 states. [2020-12-22 06:55:48,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:48,095 INFO L93 Difference]: Finished difference Result 187 states and 263 transitions. [2020-12-22 06:55:48,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:55:48,096 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-12-22 06:55:48,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:48,098 INFO L225 Difference]: With dead ends: 187 [2020-12-22 06:55:48,098 INFO L226 Difference]: Without dead ends: 123 [2020-12-22 06:55:48,099 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 06:55:48,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-12-22 06:55:48,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 76. [2020-12-22 06:55:48,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-12-22 06:55:48,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 105 transitions. [2020-12-22 06:55:48,110 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 105 transitions. Word has length 32 [2020-12-22 06:55:48,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:48,111 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 105 transitions. [2020-12-22 06:55:48,111 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:48,111 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 105 transitions. [2020-12-22 06:55:48,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-22 06:55:48,112 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:48,112 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 06:55:48,113 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:55:48,113 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:48,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:48,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1966711683, now seen corresponding path program 1 times [2020-12-22 06:55:48,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:48,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364436684] [2020-12-22 06:55:48,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:48,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:48,183 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 06:55:48,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364436684] [2020-12-22 06:55:48,184 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:48,184 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:55:48,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052285219] [2020-12-22 06:55:48,184 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:48,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:48,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:48,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:48,186 INFO L87 Difference]: Start difference. First operand 76 states and 105 transitions. Second operand 5 states. [2020-12-22 06:55:48,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:48,328 INFO L93 Difference]: Finished difference Result 381 states and 542 transitions. [2020-12-22 06:55:48,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:55:48,329 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-12-22 06:55:48,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:48,332 INFO L225 Difference]: With dead ends: 381 [2020-12-22 06:55:48,332 INFO L226 Difference]: Without dead ends: 311 [2020-12-22 06:55:48,333 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:55:48,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2020-12-22 06:55:48,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 123. [2020-12-22 06:55:48,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-12-22 06:55:48,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 167 transitions. [2020-12-22 06:55:48,355 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 167 transitions. Word has length 32 [2020-12-22 06:55:48,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:48,356 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 167 transitions. [2020-12-22 06:55:48,356 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:48,356 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 167 transitions. [2020-12-22 06:55:48,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:55:48,358 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:48,358 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 06:55:48,358 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:55:48,358 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:48,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:48,359 INFO L82 PathProgramCache]: Analyzing trace with hash 895665153, now seen corresponding path program 1 times [2020-12-22 06:55:48,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:48,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186221017] [2020-12-22 06:55:48,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:48,422 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 06:55:48,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186221017] [2020-12-22 06:55:48,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:48,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:55:48,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325693322] [2020-12-22 06:55:48,423 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:55:48,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:48,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:55:48,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:55:48,425 INFO L87 Difference]: Start difference. First operand 123 states and 167 transitions. Second operand 4 states. [2020-12-22 06:55:48,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:48,566 INFO L93 Difference]: Finished difference Result 254 states and 351 transitions. [2020-12-22 06:55:48,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:55:48,567 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-12-22 06:55:48,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:48,568 INFO L225 Difference]: With dead ends: 254 [2020-12-22 06:55:48,569 INFO L226 Difference]: Without dead ends: 184 [2020-12-22 06:55:48,569 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:55:48,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2020-12-22 06:55:48,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 181. [2020-12-22 06:55:48,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-12-22 06:55:48,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 246 transitions. [2020-12-22 06:55:48,592 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 246 transitions. Word has length 33 [2020-12-22 06:55:48,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:48,592 INFO L481 AbstractCegarLoop]: Abstraction has 181 states and 246 transitions. [2020-12-22 06:55:48,592 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:55:48,592 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 246 transitions. [2020-12-22 06:55:48,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:55:48,594 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:48,594 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 06:55:48,594 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:55:48,594 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:48,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:48,595 INFO L82 PathProgramCache]: Analyzing trace with hash -115452097, now seen corresponding path program 1 times [2020-12-22 06:55:48,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:48,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383758606] [2020-12-22 06:55:48,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:48,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:48,653 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 06:55:48,653 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383758606] [2020-12-22 06:55:48,654 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:48,654 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:55:48,654 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902137464] [2020-12-22 06:55:48,654 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:55:48,655 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:48,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:55:48,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:55:48,656 INFO L87 Difference]: Start difference. First operand 181 states and 246 transitions. Second operand 4 states. [2020-12-22 06:55:48,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:48,717 INFO L93 Difference]: Finished difference Result 428 states and 593 transitions. [2020-12-22 06:55:48,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:55:48,718 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-12-22 06:55:48,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:48,720 INFO L225 Difference]: With dead ends: 428 [2020-12-22 06:55:48,720 INFO L226 Difference]: Without dead ends: 299 [2020-12-22 06:55:48,721 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 06:55:48,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2020-12-22 06:55:48,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 175. [2020-12-22 06:55:48,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2020-12-22 06:55:48,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 238 transitions. [2020-12-22 06:55:48,738 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 238 transitions. Word has length 33 [2020-12-22 06:55:48,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:48,738 INFO L481 AbstractCegarLoop]: Abstraction has 175 states and 238 transitions. [2020-12-22 06:55:48,739 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:55:48,739 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 238 transitions. [2020-12-22 06:55:48,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:55:48,740 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:48,741 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 06:55:48,741 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:55:48,741 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:48,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:48,742 INFO L82 PathProgramCache]: Analyzing trace with hash 1270109434, now seen corresponding path program 1 times [2020-12-22 06:55:48,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:48,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974739861] [2020-12-22 06:55:48,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:48,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:48,804 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 06:55:48,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974739861] [2020-12-22 06:55:48,805 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:48,805 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:55:48,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614154873] [2020-12-22 06:55:48,806 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:48,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:48,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:48,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:48,807 INFO L87 Difference]: Start difference. First operand 175 states and 238 transitions. Second operand 5 states. [2020-12-22 06:55:48,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:48,993 INFO L93 Difference]: Finished difference Result 465 states and 646 transitions. [2020-12-22 06:55:48,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:55:48,994 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-12-22 06:55:48,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:48,996 INFO L225 Difference]: With dead ends: 465 [2020-12-22 06:55:48,996 INFO L226 Difference]: Without dead ends: 296 [2020-12-22 06:55:48,997 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:55:48,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-12-22 06:55:49,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 154. [2020-12-22 06:55:49,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-12-22 06:55:49,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 202 transitions. [2020-12-22 06:55:49,013 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 202 transitions. Word has length 33 [2020-12-22 06:55:49,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:49,014 INFO L481 AbstractCegarLoop]: Abstraction has 154 states and 202 transitions. [2020-12-22 06:55:49,014 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:49,014 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 202 transitions. [2020-12-22 06:55:49,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:55:49,015 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:49,015 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 06:55:49,015 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:55:49,016 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:49,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:49,016 INFO L82 PathProgramCache]: Analyzing trace with hash 142713341, now seen corresponding path program 1 times [2020-12-22 06:55:49,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:49,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365391859] [2020-12-22 06:55:49,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:49,089 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 06:55:49,090 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365391859] [2020-12-22 06:55:49,090 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:49,090 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:55:49,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543563794] [2020-12-22 06:55:49,091 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:49,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:49,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:49,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:49,092 INFO L87 Difference]: Start difference. First operand 154 states and 202 transitions. Second operand 5 states. [2020-12-22 06:55:49,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:49,152 INFO L93 Difference]: Finished difference Result 391 states and 522 transitions. [2020-12-22 06:55:49,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:55:49,152 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-12-22 06:55:49,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:49,154 INFO L225 Difference]: With dead ends: 391 [2020-12-22 06:55:49,154 INFO L226 Difference]: Without dead ends: 243 [2020-12-22 06:55:49,155 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 06:55:49,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2020-12-22 06:55:49,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 142. [2020-12-22 06:55:49,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-12-22 06:55:49,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 183 transitions. [2020-12-22 06:55:49,171 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 183 transitions. Word has length 33 [2020-12-22 06:55:49,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:49,172 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 183 transitions. [2020-12-22 06:55:49,172 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:49,172 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 183 transitions. [2020-12-22 06:55:49,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-22 06:55:49,176 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:49,176 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:49,176 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 06:55:49,177 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:49,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:49,177 INFO L82 PathProgramCache]: Analyzing trace with hash 749127781, now seen corresponding path program 1 times [2020-12-22 06:55:49,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:49,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563467916] [2020-12-22 06:55:49,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:49,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:49,234 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 06:55:49,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563467916] [2020-12-22 06:55:49,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:49,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:55:49,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38791951] [2020-12-22 06:55:49,236 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:55:49,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:49,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:55:49,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:55:49,237 INFO L87 Difference]: Start difference. First operand 142 states and 183 transitions. Second operand 4 states. [2020-12-22 06:55:49,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:49,274 INFO L93 Difference]: Finished difference Result 285 states and 375 transitions. [2020-12-22 06:55:49,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:55:49,275 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-12-22 06:55:49,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:49,276 INFO L225 Difference]: With dead ends: 285 [2020-12-22 06:55:49,276 INFO L226 Difference]: Without dead ends: 175 [2020-12-22 06:55:49,277 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 06:55:49,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-12-22 06:55:49,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 126. [2020-12-22 06:55:49,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-12-22 06:55:49,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 163 transitions. [2020-12-22 06:55:49,293 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 163 transitions. Word has length 52 [2020-12-22 06:55:49,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:49,293 INFO L481 AbstractCegarLoop]: Abstraction has 126 states and 163 transitions. [2020-12-22 06:55:49,293 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:55:49,293 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 163 transitions. [2020-12-22 06:55:49,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-22 06:55:49,294 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:49,294 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:49,294 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 06:55:49,295 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:49,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:49,295 INFO L82 PathProgramCache]: Analyzing trace with hash 176703009, now seen corresponding path program 1 times [2020-12-22 06:55:49,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:49,296 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134754410] [2020-12-22 06:55:49,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:49,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:49,384 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 06:55:49,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134754410] [2020-12-22 06:55:49,385 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:49,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:55:49,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575959746] [2020-12-22 06:55:49,386 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:49,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:49,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:49,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:49,387 INFO L87 Difference]: Start difference. First operand 126 states and 163 transitions. Second operand 5 states. [2020-12-22 06:55:49,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:49,511 INFO L93 Difference]: Finished difference Result 656 states and 844 transitions. [2020-12-22 06:55:49,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:55:49,511 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-12-22 06:55:49,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:49,515 INFO L225 Difference]: With dead ends: 656 [2020-12-22 06:55:49,516 INFO L226 Difference]: Without dead ends: 536 [2020-12-22 06:55:49,517 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 06:55:49,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2020-12-22 06:55:49,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 244. [2020-12-22 06:55:49,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-12-22 06:55:49,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 310 transitions. [2020-12-22 06:55:49,551 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 310 transitions. Word has length 53 [2020-12-22 06:55:49,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:49,551 INFO L481 AbstractCegarLoop]: Abstraction has 244 states and 310 transitions. [2020-12-22 06:55:49,551 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:49,551 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 310 transitions. [2020-12-22 06:55:49,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-22 06:55:49,553 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:49,553 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] [2020-12-22 06:55:49,553 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 06:55:49,554 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:49,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:49,554 INFO L82 PathProgramCache]: Analyzing trace with hash 53419547, now seen corresponding path program 1 times [2020-12-22 06:55:49,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:49,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470384175] [2020-12-22 06:55:49,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:49,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:49,662 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 06:55:49,663 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470384175] [2020-12-22 06:55:49,663 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:49,663 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:55:49,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511141205] [2020-12-22 06:55:49,664 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:49,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:49,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:49,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:49,665 INFO L87 Difference]: Start difference. First operand 244 states and 310 transitions. Second operand 5 states. [2020-12-22 06:55:49,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:49,740 INFO L93 Difference]: Finished difference Result 516 states and 670 transitions. [2020-12-22 06:55:49,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:55:49,741 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-12-22 06:55:49,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:49,743 INFO L225 Difference]: With dead ends: 516 [2020-12-22 06:55:49,743 INFO L226 Difference]: Without dead ends: 330 [2020-12-22 06:55:49,744 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:55:49,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2020-12-22 06:55:49,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 250. [2020-12-22 06:55:49,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2020-12-22 06:55:49,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 316 transitions. [2020-12-22 06:55:49,777 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 316 transitions. Word has length 54 [2020-12-22 06:55:49,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:49,777 INFO L481 AbstractCegarLoop]: Abstraction has 250 states and 316 transitions. [2020-12-22 06:55:49,778 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:49,778 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 316 transitions. [2020-12-22 06:55:49,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-22 06:55:49,779 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:49,779 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] [2020-12-22 06:55:49,779 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-22 06:55:49,779 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:49,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:49,780 INFO L82 PathProgramCache]: Analyzing trace with hash 311584985, now seen corresponding path program 1 times [2020-12-22 06:55:49,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:49,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424832578] [2020-12-22 06:55:49,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:49,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:49,841 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 06:55:49,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424832578] [2020-12-22 06:55:49,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953467478] [2020-12-22 06:55:49,842 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 06:55:50,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:50,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-22 06:55:50,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:55:50,157 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 06:55:50,158 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:55:50,158 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-12-22 06:55:50,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315785231] [2020-12-22 06:55:50,160 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 06:55:50,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:50,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 06:55:50,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:55:50,161 INFO L87 Difference]: Start difference. First operand 250 states and 316 transitions. Second operand 8 states. [2020-12-22 06:55:50,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:50,368 INFO L93 Difference]: Finished difference Result 608 states and 764 transitions. [2020-12-22 06:55:50,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:55:50,369 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-12-22 06:55:50,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:50,371 INFO L225 Difference]: With dead ends: 608 [2020-12-22 06:55:50,371 INFO L226 Difference]: Without dead ends: 364 [2020-12-22 06:55:50,372 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-12-22 06:55:50,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2020-12-22 06:55:50,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 236. [2020-12-22 06:55:50,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-12-22 06:55:50,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 289 transitions. [2020-12-22 06:55:50,408 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 289 transitions. Word has length 54 [2020-12-22 06:55:50,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:50,408 INFO L481 AbstractCegarLoop]: Abstraction has 236 states and 289 transitions. [2020-12-22 06:55:50,408 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 06:55:50,408 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 289 transitions. [2020-12-22 06:55:50,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-22 06:55:50,409 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:50,409 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:50,622 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-12-22 06:55:50,623 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:50,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:50,625 INFO L82 PathProgramCache]: Analyzing trace with hash -1497135604, now seen corresponding path program 1 times [2020-12-22 06:55:50,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:50,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810993564] [2020-12-22 06:55:50,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:50,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:50,715 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-22 06:55:50,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810993564] [2020-12-22 06:55:50,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [952449995] [2020-12-22 06:55:50,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:55:50,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:50,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-22 06:55:50,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:55:50,959 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-22 06:55:50,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:55:50,960 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2020-12-22 06:55:50,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256061765] [2020-12-22 06:55:50,963 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 06:55:50,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:50,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 06:55:50,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:55:50,964 INFO L87 Difference]: Start difference. First operand 236 states and 289 transitions. Second operand 7 states. [2020-12-22 06:55:51,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:51,262 INFO L93 Difference]: Finished difference Result 814 states and 1020 transitions. [2020-12-22 06:55:51,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 06:55:51,263 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2020-12-22 06:55:51,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:51,263 INFO L225 Difference]: With dead ends: 814 [2020-12-22 06:55:51,264 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:55:51,267 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2020-12-22 06:55:51,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:55:51,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:55:51,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:55:51,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:55:51,268 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 55 [2020-12-22 06:55:51,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:51,269 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:55:51,269 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 06:55:51,269 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:55:51,269 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:55:51,484 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-12-22 06:55:51,488 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:55:51,605 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 72 [2020-12-22 06:55:51,728 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 89 [2020-12-22 06:55:52,105 WARN L197 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 163 [2020-12-22 06:55:52,376 WARN L197 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 142 [2020-12-22 06:55:53,233 WARN L197 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 202 [2020-12-22 06:55:53,538 WARN L197 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 146 [2020-12-22 06:55:54,287 WARN L197 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 202 [2020-12-22 06:55:54,707 WARN L197 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 25 [2020-12-22 06:55:55,206 WARN L197 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 50 [2020-12-22 06:55:56,275 WARN L197 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 158 DAG size of output: 33 [2020-12-22 06:55:57,301 WARN L197 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 135 DAG size of output: 57 [2020-12-22 06:55:57,473 WARN L197 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 25 [2020-12-22 06:55:57,898 WARN L197 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 43 [2020-12-22 06:55:59,618 WARN L197 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 195 DAG size of output: 47 [2020-12-22 06:56:00,534 WARN L197 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 46 [2020-12-22 06:56:02,208 WARN L197 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 195 DAG size of output: 47 [2020-12-22 06:56:02,564 WARN L197 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 28 [2020-12-22 06:56:02,891 WARN L197 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 42 [2020-12-22 06:56:03,404 WARN L197 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 38 [2020-12-22 06:56:03,410 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 696) no Hoare annotation was computed. [2020-12-22 06:56:03,410 INFO L189 CegarLoopUtils]: For program point L696(line 696) no Hoare annotation was computed. [2020-12-22 06:56:03,410 INFO L189 CegarLoopUtils]: For program point L696-1(line 696) no Hoare annotation was computed. [2020-12-22 06:56:03,410 INFO L189 CegarLoopUtils]: For program point L696-2(line 696) no Hoare annotation was computed. [2020-12-22 06:56:03,411 INFO L185 CegarLoopUtils]: At program point L963(lines 948 966) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0))) (or (and .cse0 (= ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5 .cse6))) [2020-12-22 06:56:03,411 INFO L185 CegarLoopUtils]: At program point L963-1(lines 948 966) the Hoare annotation is: false [2020-12-22 06:56:03,411 INFO L185 CegarLoopUtils]: At program point L963-2(lines 948 966) the Hoare annotation is: false [2020-12-22 06:56:03,411 INFO L189 CegarLoopUtils]: For program point L732(lines 732 738) no Hoare annotation was computed. [2020-12-22 06:56:03,411 INFO L185 CegarLoopUtils]: At program point L732-1(lines 732 738) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0))) (let ((.cse2 (= ~pumpRunning~0 0)) (.cse8 (or (and (= ~waterLevel~0 1) .cse9 .cse0 .cse3 .cse11) (and .cse9 .cse0 (<= 2 ~waterLevel~0) .cse3 .cse11))) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse10 (= ULTIMATE.start_processEnvironment_~tmp~7 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse3 .cse4) (and .cse6 .cse1 .cse7 .cse8 .cse4) (and .cse5 .cse6 .cse7 .cse8 .cse4) (and .cse5 .cse6 .cse0 .cse9 .cse7 .cse10 .cse3 .cse4 .cse11) (and (<= ~waterLevel~0 1) .cse6 .cse1 .cse0 .cse9 .cse7 .cse10 .cse3 .cse11)))) [2020-12-22 06:56:03,412 INFO L185 CegarLoopUtils]: At program point L567-2(lines 567 581) the Hoare annotation is: false [2020-12-22 06:56:03,412 INFO L189 CegarLoopUtils]: For program point L568(line 568) no Hoare annotation was computed. [2020-12-22 06:56:03,412 INFO L189 CegarLoopUtils]: For program point L535(lines 535 541) no Hoare annotation was computed. [2020-12-22 06:56:03,412 INFO L189 CegarLoopUtils]: For program point L535-1(lines 535 541) no Hoare annotation was computed. [2020-12-22 06:56:03,412 INFO L189 CegarLoopUtils]: For program point L535-2(lines 535 541) no Hoare annotation was computed. [2020-12-22 06:56:03,412 INFO L189 CegarLoopUtils]: For program point L535-3(lines 535 541) no Hoare annotation was computed. [2020-12-22 06:56:03,412 INFO L189 CegarLoopUtils]: For program point L535-4(lines 535 541) no Hoare annotation was computed. [2020-12-22 06:56:03,413 INFO L189 CegarLoopUtils]: For program point L535-5(lines 535 541) no Hoare annotation was computed. [2020-12-22 06:56:03,413 INFO L189 CegarLoopUtils]: For program point L470(lines 470 474) no Hoare annotation was computed. [2020-12-22 06:56:03,413 INFO L189 CegarLoopUtils]: For program point L571(lines 571 575) no Hoare annotation was computed. [2020-12-22 06:56:03,413 INFO L189 CegarLoopUtils]: For program point L571-1(lines 778 784) no Hoare annotation was computed. [2020-12-22 06:56:03,413 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 696) no Hoare annotation was computed. [2020-12-22 06:56:03,413 INFO L189 CegarLoopUtils]: For program point L836(lines 836 853) no Hoare annotation was computed. [2020-12-22 06:56:03,413 INFO L189 CegarLoopUtils]: For program point L836-1(lines 836 853) no Hoare annotation was computed. [2020-12-22 06:56:03,413 INFO L189 CegarLoopUtils]: For program point L836-2(lines 836 853) no Hoare annotation was computed. [2020-12-22 06:56:03,414 INFO L185 CegarLoopUtils]: At program point L540(lines 531 544) the Hoare annotation is: false [2020-12-22 06:56:03,414 INFO L185 CegarLoopUtils]: At program point L540-1(lines 531 544) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse7 (<= ~waterLevel~0 1)) (.cse8 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse9 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse2 .cse4 .cse5 .cse8) (and .cse7 .cse2 .cse9 .cse4 .cse5 .cse8) (and .cse1 .cse9 .cse2 .cse3 .cse4 .cse5 .cse6))) [2020-12-22 06:56:03,414 INFO L185 CegarLoopUtils]: At program point L540-2(lines 531 544) the Hoare annotation is: false [2020-12-22 06:56:03,414 INFO L185 CegarLoopUtils]: At program point L540-3(lines 531 544) the Hoare annotation is: false [2020-12-22 06:56:03,414 INFO L185 CegarLoopUtils]: At program point L540-4(lines 531 544) the Hoare annotation is: false [2020-12-22 06:56:03,414 INFO L185 CegarLoopUtils]: At program point L540-5(lines 531 544) the Hoare annotation is: false [2020-12-22 06:56:03,414 INFO L189 CegarLoopUtils]: For program point L938(lines 938 942) no Hoare annotation was computed. [2020-12-22 06:56:03,415 INFO L189 CegarLoopUtils]: For program point L938-2(lines 938 942) no Hoare annotation was computed. [2020-12-22 06:56:03,415 INFO L189 CegarLoopUtils]: For program point L938-3(lines 938 942) no Hoare annotation was computed. [2020-12-22 06:56:03,415 INFO L189 CegarLoopUtils]: For program point L938-5(lines 938 942) no Hoare annotation was computed. [2020-12-22 06:56:03,415 INFO L189 CegarLoopUtils]: For program point L938-6(lines 938 942) no Hoare annotation was computed. [2020-12-22 06:56:03,415 INFO L189 CegarLoopUtils]: For program point L938-8(lines 938 942) no Hoare annotation was computed. [2020-12-22 06:56:03,415 INFO L189 CegarLoopUtils]: For program point L938-9(lines 938 942) no Hoare annotation was computed. [2020-12-22 06:56:03,415 INFO L189 CegarLoopUtils]: For program point L938-11(lines 938 942) no Hoare annotation was computed. [2020-12-22 06:56:03,415 INFO L189 CegarLoopUtils]: For program point L938-12(lines 938 942) no Hoare annotation was computed. [2020-12-22 06:56:03,415 INFO L189 CegarLoopUtils]: For program point L938-14(lines 938 942) no Hoare annotation was computed. [2020-12-22 06:56:03,416 INFO L189 CegarLoopUtils]: For program point L938-15(lines 938 942) no Hoare annotation was computed. [2020-12-22 06:56:03,416 INFO L189 CegarLoopUtils]: For program point L938-17(lines 938 942) no Hoare annotation was computed. [2020-12-22 06:56:03,416 INFO L189 CegarLoopUtils]: For program point L840(lines 840 848) no Hoare annotation was computed. [2020-12-22 06:56:03,416 INFO L189 CegarLoopUtils]: For program point L840-1(lines 840 848) no Hoare annotation was computed. [2020-12-22 06:56:03,416 INFO L189 CegarLoopUtils]: For program point L840-2(lines 840 848) no Hoare annotation was computed. [2020-12-22 06:56:03,416 INFO L189 CegarLoopUtils]: For program point L742(lines 742 755) no Hoare annotation was computed. [2020-12-22 06:56:03,416 INFO L189 CegarLoopUtils]: For program point L643(lines 643 650) no Hoare annotation was computed. [2020-12-22 06:56:03,416 INFO L192 CegarLoopUtils]: At program point L643-1(lines 643 650) the Hoare annotation is: true [2020-12-22 06:56:03,416 INFO L189 CegarLoopUtils]: For program point L810(lines 810 827) no Hoare annotation was computed. [2020-12-22 06:56:03,416 INFO L189 CegarLoopUtils]: For program point L810-1(lines 810 827) no Hoare annotation was computed. [2020-12-22 06:56:03,417 INFO L189 CegarLoopUtils]: For program point L810-2(lines 810 827) no Hoare annotation was computed. [2020-12-22 06:56:03,417 INFO L189 CegarLoopUtils]: For program point L810-3(lines 810 827) no Hoare annotation was computed. [2020-12-22 06:56:03,417 INFO L189 CegarLoopUtils]: For program point L810-4(lines 810 827) no Hoare annotation was computed. [2020-12-22 06:56:03,417 INFO L189 CegarLoopUtils]: For program point L810-5(lines 810 827) no Hoare annotation was computed. [2020-12-22 06:56:03,417 INFO L185 CegarLoopUtils]: At program point L778(lines 777 796) the Hoare annotation is: (let ((.cse6 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (<= ~waterLevel~0 1)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse8 (= ~pumpRunning~0 1)) (.cse9 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse0 .cse8 .cse9 .cse3 .cse10) (and .cse6 .cse0 .cse2 .cse3 .cse4) (and .cse5 .cse7 .cse1 .cse0 .cse8 .cse9 .cse3 .cse10))) [2020-12-22 06:56:03,417 INFO L189 CegarLoopUtils]: For program point L778-1(lines 778 784) no Hoare annotation was computed. [2020-12-22 06:56:03,417 INFO L185 CegarLoopUtils]: At program point L778-2(lines 777 796) the Hoare annotation is: false [2020-12-22 06:56:03,418 INFO L185 CegarLoopUtils]: At program point L679(lines 1 974) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:56:03,418 INFO L185 CegarLoopUtils]: At program point L778-3(lines 777 796) the Hoare annotation is: false [2020-12-22 06:56:03,418 INFO L185 CegarLoopUtils]: At program point L944(lines 929 947) the Hoare annotation is: false [2020-12-22 06:56:03,418 INFO L185 CegarLoopUtils]: At program point L944-1(lines 929 947) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 1)) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse8 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse9 (= ~methaneLevelCritical~0 1)) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse11 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse4 (= 1 ~systemActive~0)) (.cse12 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse13 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse14 (<= ~waterLevel~0 2)) (.cse15 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse9 .cse1 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse10 .cse11 .cse2 .cse4 .cse12 .cse13 .cse6 .cse7 .cse14 .cse15) (and .cse9 .cse10 .cse11 .cse4 .cse12 .cse13 .cse6 .cse7 .cse14 .cse15))) [2020-12-22 06:56:03,418 INFO L185 CegarLoopUtils]: At program point L944-2(lines 929 947) the Hoare annotation is: false [2020-12-22 06:56:03,418 INFO L185 CegarLoopUtils]: At program point L944-3(lines 929 947) the Hoare annotation is: false [2020-12-22 06:56:03,419 INFO L185 CegarLoopUtils]: At program point L944-4(lines 929 947) the Hoare annotation is: false [2020-12-22 06:56:03,419 INFO L185 CegarLoopUtils]: At program point L944-5(lines 929 947) the Hoare annotation is: false [2020-12-22 06:56:03,419 INFO L189 CegarLoopUtils]: For program point L713(lines 712 759) no Hoare annotation was computed. [2020-12-22 06:56:03,419 INFO L189 CegarLoopUtils]: For program point L482(lines 482 486) no Hoare annotation was computed. [2020-12-22 06:56:03,419 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:56:03,419 INFO L189 CegarLoopUtils]: For program point L714(lines 714 718) no Hoare annotation was computed. [2020-12-22 06:56:03,419 INFO L189 CegarLoopUtils]: For program point L814(lines 814 822) no Hoare annotation was computed. [2020-12-22 06:56:03,419 INFO L189 CegarLoopUtils]: For program point L814-1(lines 814 822) no Hoare annotation was computed. [2020-12-22 06:56:03,420 INFO L189 CegarLoopUtils]: For program point L814-2(lines 814 822) no Hoare annotation was computed. [2020-12-22 06:56:03,420 INFO L189 CegarLoopUtils]: For program point L814-3(lines 814 822) no Hoare annotation was computed. [2020-12-22 06:56:03,420 INFO L189 CegarLoopUtils]: For program point L814-4(lines 814 822) no Hoare annotation was computed. [2020-12-22 06:56:03,420 INFO L189 CegarLoopUtils]: For program point L814-5(lines 814 822) no Hoare annotation was computed. [2020-12-22 06:56:03,420 INFO L185 CegarLoopUtils]: At program point L616(lines 612 618) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:56:03,420 INFO L185 CegarLoopUtils]: At program point L550(lines 545 553) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0))) (or (and .cse0 (= ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5 .cse6))) [2020-12-22 06:56:03,421 INFO L185 CegarLoopUtils]: At program point L550-1(lines 545 553) the Hoare annotation is: false [2020-12-22 06:56:03,421 INFO L185 CegarLoopUtils]: At program point L550-2(lines 545 553) the Hoare annotation is: false [2020-12-22 06:56:03,421 INFO L189 CegarLoopUtils]: For program point L750(lines 750 754) no Hoare annotation was computed. [2020-12-22 06:56:03,421 INFO L185 CegarLoopUtils]: At program point L750-2(lines 778 784) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0))) (let ((.cse2 (= ~pumpRunning~0 0)) (.cse8 (or (and (= ~waterLevel~0 1) .cse9 .cse0 .cse3 .cse11) (and .cse9 .cse0 (<= 2 ~waterLevel~0) .cse3 .cse11))) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse10 (= ULTIMATE.start_processEnvironment_~tmp~7 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse3 .cse4) (and .cse6 .cse1 .cse7 .cse8 .cse4) (and .cse5 .cse6 .cse7 .cse8 .cse4) (and .cse5 .cse6 .cse0 .cse9 .cse7 .cse10 .cse3 .cse4 .cse11) (and (<= ~waterLevel~0 1) .cse6 .cse1 .cse0 .cse9 .cse7 .cse10 .cse3 .cse11)))) [2020-12-22 06:56:03,421 INFO L192 CegarLoopUtils]: At program point L652(lines 633 655) the Hoare annotation is: true [2020-12-22 06:56:03,421 INFO L189 CegarLoopUtils]: For program point L421(lines 421 441) no Hoare annotation was computed. [2020-12-22 06:56:03,422 INFO L189 CegarLoopUtils]: For program point L421-2(lines 421 441) no Hoare annotation was computed. [2020-12-22 06:56:03,422 INFO L189 CegarLoopUtils]: For program point L421-4(lines 421 441) no Hoare annotation was computed. [2020-12-22 06:56:03,422 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:56:03,422 INFO L185 CegarLoopUtils]: At program point L785(lines 785 791) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse0 (<= ~waterLevel~0 1)) (.cse11 (= ~methaneLevelCritical~0 0)) (.cse8 (= ULTIMATE.start_processEnvironment_~tmp~7 0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse10 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse2 (= 1 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 1)) (.cse12 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 1)) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse13 (<= 2 ~waterLevel~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse14 (<= ~waterLevel~0 2)) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse2 .cse6 .cse7 .cse8 .cse4 .cse9) (and .cse5 .cse10 .cse2 .cse6 .cse11 .cse12 .cse7 .cse13 .cse4 .cse14 .cse9) (and .cse0 .cse2 .cse11 .cse3 .cse4) (and .cse0 .cse5 .cse11 .cse2 .cse6 .cse7 .cse8 .cse4 .cse9) (and .cse1 .cse5 .cse10 .cse2 .cse6 .cse12 .cse7 .cse13 .cse4 .cse14 .cse9))) [2020-12-22 06:56:03,422 INFO L185 CegarLoopUtils]: At program point L785-1(lines 785 791) the Hoare annotation is: false [2020-12-22 06:56:03,422 INFO L185 CegarLoopUtils]: At program point L785-2(lines 785 791) the Hoare annotation is: false [2020-12-22 06:56:03,422 INFO L185 CegarLoopUtils]: At program point L687(lines 682 690) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:56:03,423 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:56:03,423 INFO L189 CegarLoopUtils]: For program point L722(lines 722 728) no Hoare annotation was computed. [2020-12-22 06:56:03,423 INFO L185 CegarLoopUtils]: At program point L722-1(lines 722 728) the Hoare annotation is: (let ((.cse20 (= ~waterLevel~0 1)) (.cse16 (= ~pumpRunning~0 1)) (.cse7 (= 1 ~systemActive~0)) (.cse19 (<= 2 ~waterLevel~0)) (.cse9 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse18 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0))) (let ((.cse0 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 1)) (.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse8 (= ~pumpRunning~0 0)) (.cse5 (or (and .cse20 .cse16 .cse7 .cse9 .cse18) (and .cse16 .cse7 .cse19 .cse9 .cse18))) (.cse6 (<= ~waterLevel~0 2)) (.cse10 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse13 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1)) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse14 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse17 (= ULTIMATE.start_processEnvironment_~tmp~7 0)) (.cse15 (<= ~waterLevel~0 1)) (.cse12 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse11 (= ~methaneLevelCritical~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse7 .cse8 .cse9 .cse6) (and .cse10 .cse7 .cse11 .cse12 .cse13 .cse14 .cse8 .cse9 .cse6) (and .cse0 .cse15 .cse1 .cse2 .cse3 .cse7 .cse16 .cse4 .cse17 .cse9 .cse18) (and .cse7 .cse11 .cse19 .cse8 .cse9 .cse6) (and .cse20 .cse11 .cse7 .cse8 .cse9) (and .cse10 .cse3 .cse11 .cse4 .cse14 .cse5 .cse6) (and .cse10 .cse3 .cse7 .cse16 .cse13 .cse4 .cse14 .cse17 .cse9 .cse18 .cse15 .cse12 .cse11)))) [2020-12-22 06:56:03,423 INFO L189 CegarLoopUtils]: For program point L458(lines 458 462) no Hoare annotation was computed. [2020-12-22 06:56:03,423 INFO L189 CegarLoopUtils]: For program point L458-3(lines 458 462) no Hoare annotation was computed. [2020-12-22 06:56:03,423 INFO L189 CegarLoopUtils]: For program point L458-6(lines 458 462) no Hoare annotation was computed. [2020-12-22 06:56:03,424 INFO L185 CegarLoopUtils]: At program point L889(lines 884 892) the Hoare annotation is: (and (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 0) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1) (= ~pumpRunning~0 1) (= 1 ~systemActive~0) (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 1) (= |ULTIMATE.start_isHighWaterLevel_#res| 1) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ~methaneLevelCritical~0 0) (<= ~waterLevel~0 2)) [2020-12-22 06:56:03,424 INFO L185 CegarLoopUtils]: At program point L889-1(lines 884 892) the Hoare annotation is: false [2020-12-22 06:56:03,424 INFO L185 CegarLoopUtils]: At program point L889-2(lines 884 892) the Hoare annotation is: false [2020-12-22 06:56:03,424 INFO L189 CegarLoopUtils]: For program point L427(lines 427 440) no Hoare annotation was computed. [2020-12-22 06:56:03,424 INFO L185 CegarLoopUtils]: At program point L427-1(lines 1 974) the Hoare annotation is: (let ((.cse7 (= ULTIMATE.start_processEnvironment_~tmp~7 0)) (.cse10 (<= ~waterLevel~0 1)) (.cse1 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 0)) (.cse11 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse4 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse12 (= ~methaneLevelCritical~0 0)) (.cse16 (= ~pumpRunning~0 0)) (.cse14 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse15 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse3 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse17 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 1)) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse18 (<= 2 ~waterLevel~0)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0)) (.cse13 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 1)) (.cse19 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse20 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12) (and .cse13 .cse10 .cse14 .cse15 .cse0 .cse2 .cse3 .cse5 .cse7 .cse8 .cse9) (and .cse13 .cse10 .cse14 .cse15 .cse3 .cse16 .cse8) (and .cse1 .cse0 .cse3 .cse2 .cse17 .cse5 .cse18 .cse6 .cse8 .cse9 .cse19 .cse12 .cse20) (and .cse10 .cse1 .cse3 .cse12 .cse11 .cse4 .cse6 .cse16 .cse8) (and (= ~waterLevel~0 1) .cse12 .cse3 .cse16 .cse8) (and .cse14 .cse15 .cse0 .cse3 .cse2 .cse17 .cse5 .cse18 .cse8 .cse9 .cse13 .cse19 .cse20))) [2020-12-22 06:56:03,425 INFO L189 CegarLoopUtils]: For program point L427-2(lines 427 440) no Hoare annotation was computed. [2020-12-22 06:56:03,425 INFO L185 CegarLoopUtils]: At program point L427-3(lines 1 974) the Hoare annotation is: false [2020-12-22 06:56:03,425 INFO L189 CegarLoopUtils]: For program point L427-4(lines 427 440) no Hoare annotation was computed. [2020-12-22 06:56:03,425 INFO L185 CegarLoopUtils]: At program point L427-5(lines 1 974) the Hoare annotation is: false [2020-12-22 06:56:03,425 INFO L185 CegarLoopUtils]: At program point L527(lines 522 530) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse1 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse5 (= ~pumpRunning~0 1)) (.cse6 (= 1 ~systemActive~0)) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse9 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0)) (.cse4 (= ~methaneLevelCritical~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= ULTIMATE.start_processEnvironment_~tmp~7 0) .cse9 .cse10) (and .cse0 .cse1 .cse4 .cse3 .cse6 .cse8 (= ~pumpRunning~0 0) .cse9) (and .cse1 .cse2 .cse5 .cse6 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 1) .cse7 (<= 2 ~waterLevel~0) .cse8 .cse9 .cse10 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse4 (<= ~waterLevel~0 2)))) [2020-12-22 06:56:03,425 INFO L185 CegarLoopUtils]: At program point L527-1(lines 522 530) the Hoare annotation is: false [2020-12-22 06:56:03,425 INFO L185 CegarLoopUtils]: At program point L527-2(lines 522 530) the Hoare annotation is: false [2020-12-22 06:56:03,426 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:56:03,426 INFO L189 CegarLoopUtils]: For program point L957(lines 957 961) no Hoare annotation was computed. [2020-12-22 06:56:03,426 INFO L189 CegarLoopUtils]: For program point L957-2(lines 957 961) no Hoare annotation was computed. [2020-12-22 06:56:03,426 INFO L189 CegarLoopUtils]: For program point L957-3(lines 957 961) no Hoare annotation was computed. [2020-12-22 06:56:03,426 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 696) no Hoare annotation was computed. [2020-12-22 06:56:03,426 INFO L189 CegarLoopUtils]: For program point L957-5(lines 957 961) no Hoare annotation was computed. [2020-12-22 06:56:03,426 INFO L189 CegarLoopUtils]: For program point L957-6(lines 957 961) no Hoare annotation was computed. [2020-12-22 06:56:03,426 INFO L189 CegarLoopUtils]: For program point L957-8(lines 957 961) no Hoare annotation was computed. [2020-12-22 06:56:03,427 INFO L185 CegarLoopUtils]: At program point L495(lines 490 498) the Hoare annotation is: (let ((.cse7 (= ULTIMATE.start_processEnvironment_~tmp~7 0)) (.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse12 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse2 (= ~pumpRunning~0 1)) (.cse13 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 1)) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse14 (<= 2 ~waterLevel~0)) (.cse15 (<= ~waterLevel~0 2)) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0)) (.cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse11 (= ~methaneLevelCritical~0 1)) (.cse0 (<= ~waterLevel~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse16 (= ~pumpRunning~0 0)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse11 .cse1 .cse12 .cse3 .cse2 .cse13 .cse5 .cse14 .cse8 .cse15 .cse9) (and .cse0 .cse10 .cse11 .cse1 .cse2 .cse3 .cse5 .cse7 .cse8 .cse9) (and .cse1 .cse12 .cse3 .cse2 .cse4 .cse13 .cse5 .cse14 .cse6 .cse8 .cse15 .cse9) (and .cse0 .cse10 .cse11 .cse3 .cse16 .cse8) (and .cse0 .cse3 .cse4 .cse6 .cse16 .cse8))) [2020-12-22 06:56:03,427 INFO L185 CegarLoopUtils]: At program point L495-1(lines 490 498) the Hoare annotation is: false [2020-12-22 06:56:03,427 INFO L185 CegarLoopUtils]: At program point L495-2(lines 490 498) the Hoare annotation is: false [2020-12-22 06:56:03,427 INFO L185 CegarLoopUtils]: At program point L760(lines 711 761) the Hoare annotation is: false [2020-12-22 06:56:03,427 INFO L189 CegarLoopUtils]: For program point L431(lines 431 437) no Hoare annotation was computed. [2020-12-22 06:56:03,427 INFO L189 CegarLoopUtils]: For program point L431-2(lines 431 437) no Hoare annotation was computed. [2020-12-22 06:56:03,428 INFO L189 CegarLoopUtils]: For program point L431-4(lines 431 437) no Hoare annotation was computed. [2020-12-22 06:56:03,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:56:03 BoogieIcfgContainer [2020-12-22 06:56:03,491 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:56:03,492 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:56:03,492 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:56:03,492 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:56:03,492 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:55:46" (3/4) ... [2020-12-22 06:56:03,499 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:56:03,533 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:56:03,535 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:56:03,536 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:56:03,537 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:56:03,538 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:56:03,539 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:56:03,540 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:56:03,576 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((tmp___0 == 1 && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && tmp___0 <= 1) && \result == 1) && \result == 0) && tmp == 0) && splverifierCounter == 0) && tmp == 0) && waterLevel <= 1) && \result <= 1) && methaneLevelCritical == 0) || ((((((((((tmp == 1 && waterLevel <= 1) && \result == 1) && methaneLevelCritical == 1) && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) && tmp == 0)) || ((((((tmp == 1 && waterLevel <= 1) && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((((tmp == 0 && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 2)) || ((((((((waterLevel <= 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((((\result == 1 && methaneLevelCritical == 1) && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && tmp == 1) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0) && tmp == 1) && \result == 0) && waterLevel <= 2) [2020-12-22 06:56:03,577 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && tmp___0 == 1) && \result == 1) && (((((waterLevel == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && tmp == 0) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0))) && waterLevel <= 2) || ((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((((((tmp == 1 && waterLevel <= 1) && \result == 1) && methaneLevelCritical == 1) && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && tmp == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((tmp == 0 && tmp___0 == 1) && methaneLevelCritical == 0) && \result == 1) && \result == 0) && (((((waterLevel == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && tmp == 0) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0))) && waterLevel <= 2)) || ((((((((((((tmp == 0 && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && tmp___0 <= 1) && \result == 1) && \result == 0) && tmp == 0) && splverifierCounter == 0) && tmp == 0) && waterLevel <= 1) && \result <= 1) && methaneLevelCritical == 0) [2020-12-22 06:56:03,578 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((tmp___0 == 1 && methaneLevelCritical == 0) && \result == 1) && (((((waterLevel == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && tmp == 0) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0))) && waterLevel <= 2)) || ((((methaneLevelCritical == 1 && tmp___0 == 1) && \result == 1) && (((((waterLevel == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && tmp == 0) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0))) && waterLevel <= 2)) || ((((((((methaneLevelCritical == 1 && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0)) || ((((((((waterLevel <= 1 && tmp___0 == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && tmp == 0) [2020-12-22 06:56:03,580 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((tmp___0 == 1 && methaneLevelCritical == 0) && \result == 1) && (((((waterLevel == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && tmp == 0) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0))) && waterLevel <= 2)) || ((((methaneLevelCritical == 1 && tmp___0 == 1) && \result == 1) && (((((waterLevel == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && tmp == 0) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0))) && waterLevel <= 2)) || ((((((((methaneLevelCritical == 1 && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0)) || ((((((((waterLevel <= 1 && tmp___0 == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && tmp == 0) [2020-12-22 06:56:03,580 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && splverifierCounter == 0) && tmp == 0)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((((waterLevel <= 1 && tmp___0 == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && splverifierCounter == 0) && tmp == 0) [2020-12-22 06:56:03,580 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((waterLevel <= 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && tmp == 0)) || ((((((((((tmp___0 == 1 && \result == 0) && 1 == systemActive) && pumpRunning == 1) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0)) || ((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((waterLevel <= 1 && tmp___0 == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && tmp == 0)) || ((((((((((methaneLevelCritical == 1 && tmp___0 == 1) && \result == 0) && 1 == systemActive) && pumpRunning == 1) && tmp == 1) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0) [2020-12-22 06:56:03,583 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((waterLevel <= 1 && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 1) && \result == 0) && tmp == 0) && splverifierCounter == 0) && tmp == 0) || (((((((((((\result == 1 && methaneLevelCritical == 1) && tmp___0 == 1) && \result == 0) && 1 == systemActive) && pumpRunning == 1) && tmp == 1) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0)) || (((((((((waterLevel <= 1 && \result == 1) && methaneLevelCritical == 1) && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) && tmp == 0)) || (((((((((((tmp___0 == 1 && \result == 0) && 1 == systemActive) && pumpRunning == 1) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0)) || (((((waterLevel <= 1 && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:56:03,584 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && splverifierCounter == 0) && tmp == 0) || (((((((waterLevel <= 1 && tmp___0 == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && splverifierCounter == 0) && tmp == 0) [2020-12-22 06:56:03,588 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((methaneLevelCritical == 1 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((waterLevel <= 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((\result == 0 && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:56:03,591 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((waterLevel <= 1 && tmp == 0) && tmp___0 == 1) && \result <= 1) && methaneLevelCritical == 0) && pumpRunning == 1) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == 0) && splverifierCounter == 0) && tmp == 0) || (((((((waterLevel <= 1 && tmp == 0) && methaneLevelCritical == 0) && \result <= 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((((tmp == 0 && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 2) [2020-12-22 06:56:03,592 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && splverifierCounter == 0) && tmp == 0) || (((((((waterLevel <= 1 && tmp___0 == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && splverifierCounter == 0) && tmp == 0) [2020-12-22 06:56:03,593 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((waterLevel <= 1 && tmp___0 == 0) && methaneLevelCritical == 0) && tmp == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp___0 == 0) && tmp == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((((tmp___0 == 1 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0)) || (((((((((methaneLevelCritical == 1 && tmp___0 == 1) && \result == 0) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0) [2020-12-22 06:56:03,593 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((tmp == 0 && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 2 [2020-12-22 06:56:03,711 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec3_product50.cil.c-witness.graphml [2020-12-22 06:56:03,711 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:56:03,712 INFO L168 Benchmark]: Toolchain (without parser) took 19181.58 ms. Allocated memory was 158.3 MB in the beginning and 331.4 MB in the end (delta: 173.0 MB). Free memory was 132.4 MB in the beginning and 213.6 MB in the end (delta: -81.2 MB). Peak memory consumption was 92.4 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:03,712 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 158.3 MB. Free memory is still 130.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:56:03,713 INFO L168 Benchmark]: CACSL2BoogieTranslator took 748.58 ms. Allocated memory is still 158.3 MB. Free memory was 132.1 MB in the beginning and 111.2 MB in the end (delta: 20.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:03,713 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.13 ms. Allocated memory is still 158.3 MB. Free memory was 111.2 MB in the beginning and 139.9 MB in the end (delta: -28.6 MB). Peak memory consumption was 6.9 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:03,713 INFO L168 Benchmark]: Boogie Preprocessor took 94.42 ms. Allocated memory is still 158.3 MB. Free memory was 139.9 MB in the beginning and 137.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:03,714 INFO L168 Benchmark]: RCFGBuilder took 1315.38 ms. Allocated memory is still 158.3 MB. Free memory was 137.2 MB in the beginning and 72.2 MB in the end (delta: 65.0 MB). Peak memory consumption was 65.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:03,714 INFO L168 Benchmark]: TraceAbstraction took 16691.54 ms. Allocated memory was 158.3 MB in the beginning and 331.4 MB in the end (delta: 173.0 MB). Free memory was 71.7 MB in the beginning and 224.7 MB in the end (delta: -153.0 MB). Peak memory consumption was 135.9 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:03,714 INFO L168 Benchmark]: Witness Printer took 219.25 ms. Allocated memory is still 331.4 MB. Free memory was 224.7 MB in the beginning and 213.6 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-12-22 06:56:03,717 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 158.3 MB. Free memory is still 130.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 748.58 ms. Allocated memory is still 158.3 MB. Free memory was 132.1 MB in the beginning and 111.2 MB in the end (delta: 20.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 100.13 ms. Allocated memory is still 158.3 MB. Free memory was 111.2 MB in the beginning and 139.9 MB in the end (delta: -28.6 MB). Peak memory consumption was 6.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 94.42 ms. Allocated memory is still 158.3 MB. Free memory was 139.9 MB in the beginning and 137.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1315.38 ms. Allocated memory is still 158.3 MB. Free memory was 137.2 MB in the beginning and 72.2 MB in the end (delta: 65.0 MB). Peak memory consumption was 65.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 16691.54 ms. Allocated memory was 158.3 MB in the beginning and 331.4 MB in the end (delta: 173.0 MB). Free memory was 71.7 MB in the beginning and 224.7 MB in the end (delta: -153.0 MB). Peak memory consumption was 135.9 MB. Max. memory is 8.0 GB. * Witness Printer took 219.25 ms. Allocated memory is still 331.4 MB. Free memory was 224.7 MB in the beginning and 213.6 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 696]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 696]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 696]: 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: 545]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 948]: Loop Invariant Derived loop invariant: (((((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && splverifierCounter == 0) && tmp == 0) || (((((((waterLevel <= 1 && tmp___0 == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && splverifierCounter == 0) && tmp == 0) - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 948]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 948]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && splverifierCounter == 0) && tmp == 0)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((((waterLevel <= 1 && tmp___0 == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && splverifierCounter == 0) && tmp == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((((((((tmp___0 == 1 && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && tmp___0 <= 1) && \result == 1) && \result == 0) && tmp == 0) && splverifierCounter == 0) && tmp == 0) && waterLevel <= 1) && \result <= 1) && methaneLevelCritical == 0) || ((((((((((tmp == 1 && waterLevel <= 1) && \result == 1) && methaneLevelCritical == 1) && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) && tmp == 0)) || ((((((tmp == 1 && waterLevel <= 1) && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((((tmp == 0 && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 2)) || ((((((((waterLevel <= 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((((\result == 1 && methaneLevelCritical == 1) && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && tmp == 1) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0) && tmp == 1) && \result == 0) && waterLevel <= 2) - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: ((((((((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && tmp___0 == 1) && \result == 1) && (((((waterLevel == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && tmp == 0) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0))) && waterLevel <= 2) || ((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((((((tmp == 1 && waterLevel <= 1) && \result == 1) && methaneLevelCritical == 1) && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && tmp == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((tmp == 0 && tmp___0 == 1) && methaneLevelCritical == 0) && \result == 1) && \result == 0) && (((((waterLevel == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && tmp == 0) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0))) && waterLevel <= 2)) || ((((((((((((tmp == 0 && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && tmp___0 <= 1) && \result == 1) && \result == 0) && tmp == 0) && splverifierCounter == 0) && tmp == 0) && waterLevel <= 1) && \result <= 1) && methaneLevelCritical == 0) - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: (((((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && splverifierCounter == 0) && tmp == 0) || (((((((waterLevel <= 1 && tmp___0 == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && splverifierCounter == 0) && tmp == 0) - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: (((((((((((((waterLevel <= 1 && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 1) && \result == 0) && tmp == 0) && splverifierCounter == 0) && tmp == 0) || (((((((((((\result == 1 && methaneLevelCritical == 1) && tmp___0 == 1) && \result == 0) && 1 == systemActive) && pumpRunning == 1) && tmp == 1) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0)) || (((((((((waterLevel <= 1 && \result == 1) && methaneLevelCritical == 1) && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) && tmp == 0)) || (((((((((((tmp___0 == 1 && \result == 0) && 1 == systemActive) && pumpRunning == 1) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0)) || (((((waterLevel <= 1 && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: ((((((((((((tmp == 0 && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 2 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((tmp___0 == 1 && methaneLevelCritical == 0) && \result == 1) && (((((waterLevel == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && tmp == 0) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0))) && waterLevel <= 2)) || ((((methaneLevelCritical == 1 && tmp___0 == 1) && \result == 1) && (((((waterLevel == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && tmp == 0) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0))) && waterLevel <= 2)) || ((((((((methaneLevelCritical == 1 && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0)) || ((((((((waterLevel <= 1 && tmp___0 == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && tmp == 0) - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: ((((((((waterLevel <= 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && tmp == 0)) || ((((((((((tmp___0 == 1 && \result == 0) && 1 == systemActive) && pumpRunning == 1) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0)) || ((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((waterLevel <= 1 && tmp___0 == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && tmp == 0)) || ((((((((((methaneLevelCritical == 1 && tmp___0 == 1) && \result == 0) && 1 == systemActive) && pumpRunning == 1) && tmp == 1) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 732]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((tmp___0 == 1 && methaneLevelCritical == 0) && \result == 1) && (((((waterLevel == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && tmp == 0) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0))) && waterLevel <= 2)) || ((((methaneLevelCritical == 1 && tmp___0 == 1) && \result == 1) && (((((waterLevel == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && tmp == 0) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0))) && waterLevel <= 2)) || ((((((((methaneLevelCritical == 1 && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0)) || ((((((((waterLevel <= 1 && tmp___0 == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && tmp == 0) - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 1 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((waterLevel <= 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((\result == 0 && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: ((((((((((((waterLevel <= 1 && tmp == 0) && tmp___0 == 1) && \result <= 1) && methaneLevelCritical == 0) && pumpRunning == 1) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == 0) && splverifierCounter == 0) && tmp == 0) || (((((((waterLevel <= 1 && tmp == 0) && methaneLevelCritical == 0) && \result <= 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((((tmp == 0 && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 2) - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: ((((((((((waterLevel <= 1 && tmp___0 == 0) && methaneLevelCritical == 0) && tmp == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp___0 == 0) && tmp == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((((tmp___0 == 1 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0)) || (((((((((methaneLevelCritical == 1 && tmp___0 == 1) && \result == 0) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 123 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.6s, OverallIterations: 15, TraceHistogramMax: 2, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1511 SDtfs, 1976 SDslu, 2670 SDs, 0 SdLazy, 356 SolverSat, 58 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 205 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=250occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 15 MinimizatonAttempts, 1156 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 46 PreInvPairs, 293 NumberOfFragments, 1781 HoareAnnotationTreeSize, 46 FomulaSimplifications, 2451040 FormulaSimplificationTreeSizeReduction, 2.9s HoareSimplificationTime, 46 FomulaSimplificationsInter, 208666 FormulaSimplificationTreeSizeReductionInter, 8.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 660 NumberOfCodeBlocks, 660 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 643 ConstructedInterpolants, 0 QuantifiedInterpolants, 54035 SizeOfPredicates, 6 NumberOfNonLiveVariables, 887 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 17 InterpolantComputations, 13 PerfectInterpolantSequences, 86/102 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...