/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:54:57,915 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:54:57,918 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:54:57,965 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:54:57,966 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:54:57,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:54:57,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:54:57,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:54:57,985 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:54:57,992 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:54:57,993 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:54:57,995 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:54:57,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:54:57,998 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:54:58,000 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:54:58,002 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:54:58,003 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:54:58,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:54:58,014 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:54:58,023 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:54:58,025 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:54:58,027 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:54:58,029 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:54:58,031 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:54:58,039 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:54:58,044 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:54:58,045 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:54:58,047 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:54:58,048 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:54:58,049 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:54:58,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:54:58,050 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:54:58,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:54:58,050 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:54:58,051 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:54:58,052 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:54:58,053 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:54:58,109 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:54:58,110 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:54:58,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:54:58,114 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:54:58,114 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:54:58,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:54:58,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:54:58,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:54:58,115 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:54:58,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:54:58,117 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:54:58,117 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:54:58,117 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:54:58,117 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:54:58,118 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:54:58,118 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:54:58,126 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:54:58,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:54:58,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:54:58,131 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:54:58,131 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:54:58,132 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:54:58,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:54:58,132 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:54:58,132 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:54:58,132 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:54:58,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:54:58,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:54:58,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:54:58,525 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:54:58,526 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:54:58,526 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c [2020-12-22 06:54:58,608 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7cada7a6/3d9223ed0fcc47bfb5c26a591cb24c65/FLAGd5d1649b0 [2020-12-22 06:54:59,333 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:54:59,334 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c [2020-12-22 06:54:59,356 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7cada7a6/3d9223ed0fcc47bfb5c26a591cb24c65/FLAGd5d1649b0 [2020-12-22 06:54:59,655 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7cada7a6/3d9223ed0fcc47bfb5c26a591cb24c65 [2020-12-22 06:54:59,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:54:59,660 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:54:59,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:54:59,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:54:59,666 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:54:59,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:54:59" (1/1) ... [2020-12-22 06:54:59,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60cfab84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:59, skipping insertion in model container [2020-12-22 06:54:59,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:54:59" (1/1) ... [2020-12-22 06:54:59,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:54:59,720 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:54:59,876 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c[1281,1294] [2020-12-22 06:55:00,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:55:00,089 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:55:00,106 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c[1281,1294] [2020-12-22 06:55:00,189 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:55:00,246 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:55:00,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:00 WrapperNode [2020-12-22 06:55:00,248 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:55:00,251 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:55:00,251 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:55:00,251 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:55:00,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:00" (1/1) ... [2020-12-22 06:55:00,301 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:00" (1/1) ... [2020-12-22 06:55:00,354 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:55:00,355 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:55:00,356 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:55:00,356 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:55:00,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:00" (1/1) ... [2020-12-22 06:55:00,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:00" (1/1) ... [2020-12-22 06:55:00,375 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:00" (1/1) ... [2020-12-22 06:55:00,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:00" (1/1) ... [2020-12-22 06:55:00,394 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:00" (1/1) ... [2020-12-22 06:55:00,405 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:00" (1/1) ... [2020-12-22 06:55:00,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:00" (1/1) ... [2020-12-22 06:55:00,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:55:00,422 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:55:00,423 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:55:00,423 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:55:00,428 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:00" (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 06:55:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:55:00,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:55:00,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:55:00,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:55:01,817 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:55:01,817 INFO L299 CfgBuilder]: Removed 198 assume(true) statements. [2020-12-22 06:55:01,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:55:01 BoogieIcfgContainer [2020-12-22 06:55:01,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:55:01,821 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:55:01,821 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:55:01,825 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:55:01,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:54:59" (1/3) ... [2020-12-22 06:55:01,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39d05243 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:55:01, skipping insertion in model container [2020-12-22 06:55:01,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:00" (2/3) ... [2020-12-22 06:55:01,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39d05243 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:55:01, skipping insertion in model container [2020-12-22 06:55:01,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:55:01" (3/3) ... [2020-12-22 06:55:01,829 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product59.cil.c [2020-12-22 06:55:01,836 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:55:01,841 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:55:01,861 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:55:01,890 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:55:01,890 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:55:01,891 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:55:01,891 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:55:01,891 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:55:01,891 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:55:01,891 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:55:01,892 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:55:01,911 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2020-12-22 06:55:01,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-22 06:55:01,918 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:01,919 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 06:55:01,920 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:01,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:01,926 INFO L82 PathProgramCache]: Analyzing trace with hash -1941296929, now seen corresponding path program 1 times [2020-12-22 06:55:01,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:01,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668235370] [2020-12-22 06:55:01,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:02,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:02,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:55:02,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668235370] [2020-12-22 06:55:02,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:02,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:55:02,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428592625] [2020-12-22 06:55:02,242 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:55:02,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:02,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:55:02,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:55:02,261 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 2 states. [2020-12-22 06:55:02,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:02,308 INFO L93 Difference]: Finished difference Result 275 states and 414 transitions. [2020-12-22 06:55:02,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:55:02,310 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-12-22 06:55:02,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:02,324 INFO L225 Difference]: With dead ends: 275 [2020-12-22 06:55:02,325 INFO L226 Difference]: Without dead ends: 137 [2020-12-22 06:55:02,329 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 06:55:02,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-12-22 06:55:02,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2020-12-22 06:55:02,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-12-22 06:55:02,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 199 transitions. [2020-12-22 06:55:02,418 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 199 transitions. Word has length 18 [2020-12-22 06:55:02,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:02,419 INFO L481 AbstractCegarLoop]: Abstraction has 137 states and 199 transitions. [2020-12-22 06:55:02,419 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:55:02,419 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 199 transitions. [2020-12-22 06:55:02,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:55:02,421 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:02,421 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 06:55:02,421 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:55:02,421 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:02,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:02,423 INFO L82 PathProgramCache]: Analyzing trace with hash 530190787, now seen corresponding path program 1 times [2020-12-22 06:55:02,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:02,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37265207] [2020-12-22 06:55:02,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:02,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:02,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:55:02,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37265207] [2020-12-22 06:55:02,542 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:02,542 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:55:02,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315536217] [2020-12-22 06:55:02,544 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:55:02,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:02,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:55:02,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:02,546 INFO L87 Difference]: Start difference. First operand 137 states and 199 transitions. Second operand 3 states. [2020-12-22 06:55:02,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:02,563 INFO L93 Difference]: Finished difference Result 137 states and 199 transitions. [2020-12-22 06:55:02,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:55:02,564 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-22 06:55:02,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:02,565 INFO L225 Difference]: With dead ends: 137 [2020-12-22 06:55:02,565 INFO L226 Difference]: Without dead ends: 57 [2020-12-22 06:55:02,567 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 06:55:02,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-12-22 06:55:02,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-12-22 06:55:02,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-12-22 06:55:02,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 82 transitions. [2020-12-22 06:55:02,575 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 82 transitions. Word has length 19 [2020-12-22 06:55:02,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:02,575 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 82 transitions. [2020-12-22 06:55:02,575 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:55:02,575 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 82 transitions. [2020-12-22 06:55:02,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:55:02,577 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:02,577 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 06:55:02,577 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:55:02,577 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:02,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:02,578 INFO L82 PathProgramCache]: Analyzing trace with hash 1901621695, now seen corresponding path program 1 times [2020-12-22 06:55:02,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:02,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014532201] [2020-12-22 06:55:02,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:02,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:02,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:55:02,751 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014532201] [2020-12-22 06:55:02,752 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:02,752 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:55:02,752 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328108234] [2020-12-22 06:55:02,753 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:55:02,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:02,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:55:02,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:02,755 INFO L87 Difference]: Start difference. First operand 57 states and 82 transitions. Second operand 3 states. [2020-12-22 06:55:02,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:02,806 INFO L93 Difference]: Finished difference Result 157 states and 232 transitions. [2020-12-22 06:55:02,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:55:02,809 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-12-22 06:55:02,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:02,811 INFO L225 Difference]: With dead ends: 157 [2020-12-22 06:55:02,811 INFO L226 Difference]: Without dead ends: 107 [2020-12-22 06:55:02,812 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 06:55:02,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-12-22 06:55:02,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 103. [2020-12-22 06:55:02,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-12-22 06:55:02,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 152 transitions. [2020-12-22 06:55:02,832 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 152 transitions. Word has length 24 [2020-12-22 06:55:02,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:02,832 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 152 transitions. [2020-12-22 06:55:02,833 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:55:02,833 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 152 transitions. [2020-12-22 06:55:02,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:55:02,834 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:02,834 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 06:55:02,835 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:55:02,835 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:02,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:02,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1082042232, now seen corresponding path program 1 times [2020-12-22 06:55:02,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:02,836 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427982603] [2020-12-22 06:55:02,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:02,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:02,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:55:02,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427982603] [2020-12-22 06:55:02,902 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:02,903 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:55:02,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206035284] [2020-12-22 06:55:02,903 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:55:02,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:02,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:55:02,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:02,905 INFO L87 Difference]: Start difference. First operand 103 states and 152 transitions. Second operand 3 states. [2020-12-22 06:55:02,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:02,972 INFO L93 Difference]: Finished difference Result 242 states and 363 transitions. [2020-12-22 06:55:02,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:55:02,974 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-12-22 06:55:02,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:02,978 INFO L225 Difference]: With dead ends: 242 [2020-12-22 06:55:02,978 INFO L226 Difference]: Without dead ends: 146 [2020-12-22 06:55:02,980 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 06:55:02,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-12-22 06:55:03,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 144. [2020-12-22 06:55:03,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-12-22 06:55:03,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 210 transitions. [2020-12-22 06:55:03,009 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 210 transitions. Word has length 26 [2020-12-22 06:55:03,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:03,010 INFO L481 AbstractCegarLoop]: Abstraction has 144 states and 210 transitions. [2020-12-22 06:55:03,010 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:55:03,010 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 210 transitions. [2020-12-22 06:55:03,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-22 06:55:03,011 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:03,011 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:03,012 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:55:03,012 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:03,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:03,013 INFO L82 PathProgramCache]: Analyzing trace with hash -2071837624, now seen corresponding path program 1 times [2020-12-22 06:55:03,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:03,013 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271256003] [2020-12-22 06:55:03,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:03,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:03,170 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 06:55:03,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271256003] [2020-12-22 06:55:03,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:03,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:55:03,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188421909] [2020-12-22 06:55:03,171 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:03,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:03,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:03,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:03,186 INFO L87 Difference]: Start difference. First operand 144 states and 210 transitions. Second operand 5 states. [2020-12-22 06:55:03,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:03,482 INFO L93 Difference]: Finished difference Result 756 states and 1115 transitions. [2020-12-22 06:55:03,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:55:03,485 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-12-22 06:55:03,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:03,493 INFO L225 Difference]: With dead ends: 756 [2020-12-22 06:55:03,493 INFO L226 Difference]: Without dead ends: 619 [2020-12-22 06:55:03,498 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:55:03,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2020-12-22 06:55:03,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 267. [2020-12-22 06:55:03,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2020-12-22 06:55:03,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 384 transitions. [2020-12-22 06:55:03,545 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 384 transitions. Word has length 27 [2020-12-22 06:55:03,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:03,545 INFO L481 AbstractCegarLoop]: Abstraction has 267 states and 384 transitions. [2020-12-22 06:55:03,545 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:03,546 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 384 transitions. [2020-12-22 06:55:03,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-22 06:55:03,547 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:03,547 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:03,548 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:55:03,548 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:03,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:03,548 INFO L82 PathProgramCache]: Analyzing trace with hash 788984512, now seen corresponding path program 1 times [2020-12-22 06:55:03,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:03,549 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990744028] [2020-12-22 06:55:03,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:03,667 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 06:55:03,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990744028] [2020-12-22 06:55:03,668 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:03,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:55:03,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782756904] [2020-12-22 06:55:03,671 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:03,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:03,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:03,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:03,673 INFO L87 Difference]: Start difference. First operand 267 states and 384 transitions. Second operand 5 states. [2020-12-22 06:55:03,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:03,933 INFO L93 Difference]: Finished difference Result 1029 states and 1483 transitions. [2020-12-22 06:55:03,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:55:03,934 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-12-22 06:55:03,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:03,940 INFO L225 Difference]: With dead ends: 1029 [2020-12-22 06:55:03,940 INFO L226 Difference]: Without dead ends: 769 [2020-12-22 06:55:03,945 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 06:55:03,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2020-12-22 06:55:03,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 265. [2020-12-22 06:55:03,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2020-12-22 06:55:03,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 378 transitions. [2020-12-22 06:55:03,986 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 378 transitions. Word has length 28 [2020-12-22 06:55:03,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:03,987 INFO L481 AbstractCegarLoop]: Abstraction has 265 states and 378 transitions. [2020-12-22 06:55:03,987 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:03,987 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 378 transitions. [2020-12-22 06:55:03,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-22 06:55:03,998 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:03,998 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:03,998 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:55:03,998 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:04,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:04,001 INFO L82 PathProgramCache]: Analyzing trace with hash -782080822, now seen corresponding path program 1 times [2020-12-22 06:55:04,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:04,003 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689696092] [2020-12-22 06:55:04,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:04,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:04,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:55:04,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689696092] [2020-12-22 06:55:04,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:04,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:55:04,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481945449] [2020-12-22 06:55:04,075 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:55:04,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:04,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:55:04,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:55:04,076 INFO L87 Difference]: Start difference. First operand 265 states and 378 transitions. Second operand 4 states. [2020-12-22 06:55:04,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:04,167 INFO L93 Difference]: Finished difference Result 773 states and 1104 transitions. [2020-12-22 06:55:04,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:55:04,168 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2020-12-22 06:55:04,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:04,173 INFO L225 Difference]: With dead ends: 773 [2020-12-22 06:55:04,173 INFO L226 Difference]: Without dead ends: 515 [2020-12-22 06:55:04,175 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 06:55:04,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2020-12-22 06:55:04,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 281. [2020-12-22 06:55:04,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-12-22 06:55:04,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 394 transitions. [2020-12-22 06:55:04,203 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 394 transitions. Word has length 36 [2020-12-22 06:55:04,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:04,204 INFO L481 AbstractCegarLoop]: Abstraction has 281 states and 394 transitions. [2020-12-22 06:55:04,204 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:55:04,204 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 394 transitions. [2020-12-22 06:55:04,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-22 06:55:04,207 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:04,207 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:04,208 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:55:04,208 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:04,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:04,208 INFO L82 PathProgramCache]: Analyzing trace with hash 229036428, now seen corresponding path program 1 times [2020-12-22 06:55:04,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:04,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881956184] [2020-12-22 06:55:04,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:04,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:04,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:55:04,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881956184] [2020-12-22 06:55:04,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:04,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:55:04,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356363935] [2020-12-22 06:55:04,319 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:04,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:04,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:04,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:04,321 INFO L87 Difference]: Start difference. First operand 281 states and 394 transitions. Second operand 5 states. [2020-12-22 06:55:04,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:04,452 INFO L93 Difference]: Finished difference Result 735 states and 1021 transitions. [2020-12-22 06:55:04,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:55:04,453 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-12-22 06:55:04,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:04,457 INFO L225 Difference]: With dead ends: 735 [2020-12-22 06:55:04,457 INFO L226 Difference]: Without dead ends: 461 [2020-12-22 06:55:04,458 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 06:55:04,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2020-12-22 06:55:04,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 305. [2020-12-22 06:55:04,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2020-12-22 06:55:04,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 418 transitions. [2020-12-22 06:55:04,489 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 418 transitions. Word has length 36 [2020-12-22 06:55:04,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:04,490 INFO L481 AbstractCegarLoop]: Abstraction has 305 states and 418 transitions. [2020-12-22 06:55:04,490 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:04,491 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 418 transitions. [2020-12-22 06:55:04,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-22 06:55:04,493 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:04,493 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:04,493 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:55:04,493 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:04,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:04,494 INFO L82 PathProgramCache]: Analyzing trace with hash -1803149176, now seen corresponding path program 1 times [2020-12-22 06:55:04,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:04,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778767940] [2020-12-22 06:55:04,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:04,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:04,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:55:04,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778767940] [2020-12-22 06:55:04,602 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:04,602 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:55:04,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354098320] [2020-12-22 06:55:04,603 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:55:04,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:04,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:55:04,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:04,604 INFO L87 Difference]: Start difference. First operand 305 states and 418 transitions. Second operand 3 states. [2020-12-22 06:55:04,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:04,663 INFO L93 Difference]: Finished difference Result 707 states and 963 transitions. [2020-12-22 06:55:04,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:55:04,665 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2020-12-22 06:55:04,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:04,667 INFO L225 Difference]: With dead ends: 707 [2020-12-22 06:55:04,667 INFO L226 Difference]: Without dead ends: 409 [2020-12-22 06:55:04,668 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 06:55:04,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2020-12-22 06:55:04,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 409. [2020-12-22 06:55:04,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2020-12-22 06:55:04,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 544 transitions. [2020-12-22 06:55:04,703 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 544 transitions. Word has length 36 [2020-12-22 06:55:04,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:04,703 INFO L481 AbstractCegarLoop]: Abstraction has 409 states and 544 transitions. [2020-12-22 06:55:04,704 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:55:04,704 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 544 transitions. [2020-12-22 06:55:04,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-22 06:55:04,705 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:04,705 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:04,705 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:55:04,705 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:04,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:04,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1017339336, now seen corresponding path program 1 times [2020-12-22 06:55:04,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:04,707 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609289140] [2020-12-22 06:55:04,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:04,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:04,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:55:04,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609289140] [2020-12-22 06:55:04,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:04,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:55:04,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337684086] [2020-12-22 06:55:04,782 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:55:04,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:04,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:55:04,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:55:04,784 INFO L87 Difference]: Start difference. First operand 409 states and 544 transitions. Second operand 6 states. [2020-12-22 06:55:05,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:05,101 INFO L93 Difference]: Finished difference Result 1257 states and 1667 transitions. [2020-12-22 06:55:05,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-22 06:55:05,101 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2020-12-22 06:55:05,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:05,106 INFO L225 Difference]: With dead ends: 1257 [2020-12-22 06:55:05,107 INFO L226 Difference]: Without dead ends: 855 [2020-12-22 06:55:05,108 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-12-22 06:55:05,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2020-12-22 06:55:05,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 409. [2020-12-22 06:55:05,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2020-12-22 06:55:05,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 534 transitions. [2020-12-22 06:55:05,152 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 534 transitions. Word has length 37 [2020-12-22 06:55:05,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:05,152 INFO L481 AbstractCegarLoop]: Abstraction has 409 states and 534 transitions. [2020-12-22 06:55:05,153 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:55:05,153 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 534 transitions. [2020-12-22 06:55:05,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-22 06:55:05,154 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:05,154 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:05,154 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 06:55:05,155 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:05,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:05,155 INFO L82 PathProgramCache]: Analyzing trace with hash -2145133796, now seen corresponding path program 1 times [2020-12-22 06:55:05,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:05,156 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310707476] [2020-12-22 06:55:05,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:05,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:05,201 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 06:55:05,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310707476] [2020-12-22 06:55:05,202 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:05,202 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:55:05,202 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470942201] [2020-12-22 06:55:05,202 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:55:05,203 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:05,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:55:05,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:05,204 INFO L87 Difference]: Start difference. First operand 409 states and 534 transitions. Second operand 3 states. [2020-12-22 06:55:05,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:05,266 INFO L93 Difference]: Finished difference Result 497 states and 647 transitions. [2020-12-22 06:55:05,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:55:05,267 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2020-12-22 06:55:05,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:05,269 INFO L225 Difference]: With dead ends: 497 [2020-12-22 06:55:05,269 INFO L226 Difference]: Without dead ends: 204 [2020-12-22 06:55:05,270 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:05,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2020-12-22 06:55:05,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2020-12-22 06:55:05,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-12-22 06:55:05,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 256 transitions. [2020-12-22 06:55:05,305 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 256 transitions. Word has length 54 [2020-12-22 06:55:05,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:05,305 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 256 transitions. [2020-12-22 06:55:05,306 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:55:05,306 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 256 transitions. [2020-12-22 06:55:05,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-22 06:55:05,307 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:05,307 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:05,307 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 06:55:05,309 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:05,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:05,310 INFO L82 PathProgramCache]: Analyzing trace with hash -9909279, now seen corresponding path program 1 times [2020-12-22 06:55:05,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:05,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736551488] [2020-12-22 06:55:05,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:05,390 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 06:55:05,390 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736551488] [2020-12-22 06:55:05,390 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:05,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:55:05,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31636677] [2020-12-22 06:55:05,391 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:55:05,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:05,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:55:05,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:05,392 INFO L87 Difference]: Start difference. First operand 204 states and 256 transitions. Second operand 3 states. [2020-12-22 06:55:05,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:05,444 INFO L93 Difference]: Finished difference Result 319 states and 405 transitions. [2020-12-22 06:55:05,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:55:05,444 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-12-22 06:55:05,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:05,447 INFO L225 Difference]: With dead ends: 319 [2020-12-22 06:55:05,447 INFO L226 Difference]: Without dead ends: 317 [2020-12-22 06:55:05,447 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:05,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2020-12-22 06:55:05,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 230. [2020-12-22 06:55:05,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-12-22 06:55:05,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 294 transitions. [2020-12-22 06:55:05,471 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 294 transitions. Word has length 58 [2020-12-22 06:55:05,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:05,472 INFO L481 AbstractCegarLoop]: Abstraction has 230 states and 294 transitions. [2020-12-22 06:55:05,472 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:55:05,472 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 294 transitions. [2020-12-22 06:55:05,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-22 06:55:05,473 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:05,473 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:05,474 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 06:55:05,474 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:05,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:05,474 INFO L82 PathProgramCache]: Analyzing trace with hash -592648286, now seen corresponding path program 1 times [2020-12-22 06:55:05,475 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:05,475 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651144857] [2020-12-22 06:55:05,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:05,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:05,644 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-22 06:55:05,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651144857] [2020-12-22 06:55:05,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:05,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:55:05,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140126117] [2020-12-22 06:55:05,646 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:05,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:05,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:05,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:05,647 INFO L87 Difference]: Start difference. First operand 230 states and 294 transitions. Second operand 5 states. [2020-12-22 06:55:05,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:05,832 INFO L93 Difference]: Finished difference Result 647 states and 848 transitions. [2020-12-22 06:55:05,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:55:05,833 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-12-22 06:55:05,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:05,837 INFO L225 Difference]: With dead ends: 647 [2020-12-22 06:55:05,837 INFO L226 Difference]: Without dead ends: 474 [2020-12-22 06:55:05,842 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:55:05,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2020-12-22 06:55:05,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 319. [2020-12-22 06:55:05,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-12-22 06:55:05,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 412 transitions. [2020-12-22 06:55:05,882 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 412 transitions. Word has length 82 [2020-12-22 06:55:05,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:05,883 INFO L481 AbstractCegarLoop]: Abstraction has 319 states and 412 transitions. [2020-12-22 06:55:05,883 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:05,883 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 412 transitions. [2020-12-22 06:55:05,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-22 06:55:05,886 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:05,887 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:05,888 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-22 06:55:05,888 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:05,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:05,889 INFO L82 PathProgramCache]: Analyzing trace with hash -1613716640, now seen corresponding path program 1 times [2020-12-22 06:55:05,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:05,889 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002059219] [2020-12-22 06:55:05,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:05,997 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:55:05,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002059219] [2020-12-22 06:55:05,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270385790] [2020-12-22 06:55:05,999 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 06:55:06,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:06,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-22 06:55:06,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:55:06,383 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:55:06,384 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:55:06,384 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-12-22 06:55:06,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187062795] [2020-12-22 06:55:06,385 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:55:06,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:06,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:55:06,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:55:06,386 INFO L87 Difference]: Start difference. First operand 319 states and 412 transitions. Second operand 4 states. [2020-12-22 06:55:06,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:06,551 INFO L93 Difference]: Finished difference Result 982 states and 1270 transitions. [2020-12-22 06:55:06,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:55:06,552 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 82 [2020-12-22 06:55:06,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:06,556 INFO L225 Difference]: With dead ends: 982 [2020-12-22 06:55:06,556 INFO L226 Difference]: Without dead ends: 667 [2020-12-22 06:55:06,557 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:55:06,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2020-12-22 06:55:06,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 645. [2020-12-22 06:55:06,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2020-12-22 06:55:06,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 821 transitions. [2020-12-22 06:55:06,642 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 821 transitions. Word has length 82 [2020-12-22 06:55:06,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:06,642 INFO L481 AbstractCegarLoop]: Abstraction has 645 states and 821 transitions. [2020-12-22 06:55:06,642 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:55:06,643 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 821 transitions. [2020-12-22 06:55:06,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-22 06:55:06,644 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:06,645 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:06,859 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-12-22 06:55:06,860 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:06,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:06,861 INFO L82 PathProgramCache]: Analyzing trace with hash -987015072, now seen corresponding path program 1 times [2020-12-22 06:55:06,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:06,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560046407] [2020-12-22 06:55:06,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:06,934 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 06:55:06,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560046407] [2020-12-22 06:55:06,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [357617656] [2020-12-22 06:55:06,935 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 06:55:07,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:07,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-22 06:55:07,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:55:07,222 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 06:55:07,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 06:55:07,223 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2020-12-22 06:55:07,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398788210] [2020-12-22 06:55:07,224 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:07,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:07,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:07,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:55:07,225 INFO L87 Difference]: Start difference. First operand 645 states and 821 transitions. Second operand 5 states. [2020-12-22 06:55:07,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:07,325 INFO L93 Difference]: Finished difference Result 1102 states and 1384 transitions. [2020-12-22 06:55:07,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:55:07,326 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-12-22 06:55:07,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:07,328 INFO L225 Difference]: With dead ends: 1102 [2020-12-22 06:55:07,328 INFO L226 Difference]: Without dead ends: 464 [2020-12-22 06:55:07,330 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-12-22 06:55:07,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2020-12-22 06:55:07,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 274. [2020-12-22 06:55:07,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2020-12-22 06:55:07,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 333 transitions. [2020-12-22 06:55:07,365 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 333 transitions. Word has length 82 [2020-12-22 06:55:07,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:07,365 INFO L481 AbstractCegarLoop]: Abstraction has 274 states and 333 transitions. [2020-12-22 06:55:07,366 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:07,366 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 333 transitions. [2020-12-22 06:55:07,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-22 06:55:07,367 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:07,367 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:07,580 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-12-22 06:55:07,580 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:07,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:07,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1917155008, now seen corresponding path program 2 times [2020-12-22 06:55:07,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:07,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034753167] [2020-12-22 06:55:07,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:07,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:07,700 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-22 06:55:07,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034753167] [2020-12-22 06:55:07,701 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:07,701 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:55:07,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492074805] [2020-12-22 06:55:07,702 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:55:07,702 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:07,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:55:07,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:55:07,703 INFO L87 Difference]: Start difference. First operand 274 states and 333 transitions. Second operand 6 states. [2020-12-22 06:55:07,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:07,909 INFO L93 Difference]: Finished difference Result 608 states and 738 transitions. [2020-12-22 06:55:07,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:55:07,910 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2020-12-22 06:55:07,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:07,910 INFO L225 Difference]: With dead ends: 608 [2020-12-22 06:55:07,910 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:55:07,912 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:55:07,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:55:07,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:55:07,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:55:07,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:55:07,912 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2020-12-22 06:55:07,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:07,913 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:55:07,913 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:55:07,913 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:55:07,913 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:55:07,913 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-22 06:55:07,915 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:55:08,253 WARN L197 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 115 [2020-12-22 06:55:08,438 WARN L197 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 132 [2020-12-22 06:55:08,907 WARN L197 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 171 [2020-12-22 06:55:09,242 WARN L197 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 159 [2020-12-22 06:55:09,580 WARN L197 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 173 [2020-12-22 06:55:09,918 WARN L197 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 127 [2020-12-22 06:55:10,037 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 105 [2020-12-22 06:55:10,182 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 136 [2020-12-22 06:55:10,503 WARN L197 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 174 [2020-12-22 06:55:10,758 WARN L197 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 25 [2020-12-22 06:55:10,996 WARN L197 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 23 [2020-12-22 06:55:11,447 WARN L197 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 31 [2020-12-22 06:55:12,042 WARN L197 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 38 [2020-12-22 06:55:12,287 WARN L197 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 13 [2020-12-22 06:55:13,234 WARN L197 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 31 [2020-12-22 06:55:13,356 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 21 [2020-12-22 06:55:14,198 WARN L197 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 29 [2020-12-22 06:55:14,980 WARN L197 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 37 [2020-12-22 06:55:15,199 WARN L197 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 23 [2020-12-22 06:55:15,873 WARN L197 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 29 [2020-12-22 06:55:16,319 WARN L197 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 26 [2020-12-22 06:55:16,927 WARN L197 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 38 [2020-12-22 06:55:17,072 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 26 [2020-12-22 06:55:17,848 WARN L197 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 37 [2020-12-22 06:55:17,853 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:55:17,853 INFO L189 CegarLoopUtils]: For program point L267(lines 267 271) no Hoare annotation was computed. [2020-12-22 06:55:17,853 INFO L189 CegarLoopUtils]: For program point L267-2(lines 267 271) no Hoare annotation was computed. [2020-12-22 06:55:17,853 INFO L189 CegarLoopUtils]: For program point L267-3(lines 267 271) no Hoare annotation was computed. [2020-12-22 06:55:17,853 INFO L189 CegarLoopUtils]: For program point L102(lines 102 119) no Hoare annotation was computed. [2020-12-22 06:55:17,853 INFO L189 CegarLoopUtils]: For program point L267-5(lines 267 271) no Hoare annotation was computed. [2020-12-22 06:55:17,854 INFO L189 CegarLoopUtils]: For program point L102-1(lines 102 119) no Hoare annotation was computed. [2020-12-22 06:55:17,854 INFO L189 CegarLoopUtils]: For program point L267-6(lines 267 271) no Hoare annotation was computed. [2020-12-22 06:55:17,854 INFO L189 CegarLoopUtils]: For program point L102-2(lines 102 119) no Hoare annotation was computed. [2020-12-22 06:55:17,854 INFO L189 CegarLoopUtils]: For program point L102-3(lines 102 119) no Hoare annotation was computed. [2020-12-22 06:55:17,854 INFO L189 CegarLoopUtils]: For program point L267-8(lines 267 271) no Hoare annotation was computed. [2020-12-22 06:55:17,854 INFO L189 CegarLoopUtils]: For program point L102-4(lines 102 119) no Hoare annotation was computed. [2020-12-22 06:55:17,854 INFO L189 CegarLoopUtils]: For program point L102-5(lines 102 119) no Hoare annotation was computed. [2020-12-22 06:55:17,855 INFO L185 CegarLoopUtils]: At program point L532(lines 527 535) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-12-22 06:55:17,855 INFO L185 CegarLoopUtils]: At program point L70(lines 69 88) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse3 .cse5 (= ~methAndRunningLastTime~0 0)) (and .cse0 .cse4 .cse2 .cse3 .cse5) (and .cse4 .cse6 .cse3 .cse5) (and .cse6 .cse1 .cse2 .cse3))) [2020-12-22 06:55:17,855 INFO L189 CegarLoopUtils]: For program point L70-1(lines 70 76) no Hoare annotation was computed. [2020-12-22 06:55:17,855 INFO L185 CegarLoopUtils]: At program point L70-2(lines 69 88) the Hoare annotation is: false [2020-12-22 06:55:17,855 INFO L185 CegarLoopUtils]: At program point L70-3(lines 69 88) the Hoare annotation is: false [2020-12-22 06:55:17,856 INFO L185 CegarLoopUtils]: At program point L369(lines 364 371) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-12-22 06:55:17,856 INFO L189 CegarLoopUtils]: For program point L336(lines 336 349) no Hoare annotation was computed. [2020-12-22 06:55:17,856 INFO L189 CegarLoopUtils]: For program point L106(lines 106 114) no Hoare annotation was computed. [2020-12-22 06:55:17,856 INFO L189 CegarLoopUtils]: For program point L106-1(lines 106 114) no Hoare annotation was computed. [2020-12-22 06:55:17,856 INFO L189 CegarLoopUtils]: For program point L106-2(lines 106 114) no Hoare annotation was computed. [2020-12-22 06:55:17,856 INFO L189 CegarLoopUtils]: For program point L106-3(lines 106 114) no Hoare annotation was computed. [2020-12-22 06:55:17,856 INFO L189 CegarLoopUtils]: For program point L106-4(lines 106 114) no Hoare annotation was computed. [2020-12-22 06:55:17,856 INFO L189 CegarLoopUtils]: For program point L106-5(lines 106 114) no Hoare annotation was computed. [2020-12-22 06:55:17,857 INFO L185 CegarLoopUtils]: At program point L273(lines 258 276) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isLowWaterLevel_~tmp~4 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~1)) (.cse6 (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5 .cse6))) [2020-12-22 06:55:17,857 INFO L185 CegarLoopUtils]: At program point L273-1(lines 258 276) the Hoare annotation is: false [2020-12-22 06:55:17,857 INFO L185 CegarLoopUtils]: At program point L273-2(lines 258 276) the Hoare annotation is: false [2020-12-22 06:55:17,857 INFO L189 CegarLoopUtils]: For program point L934(lines 934 938) no Hoare annotation was computed. [2020-12-22 06:55:17,857 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:55:17,857 INFO L189 CegarLoopUtils]: For program point L307(lines 306 353) no Hoare annotation was computed. [2020-12-22 06:55:17,857 INFO L189 CegarLoopUtils]: For program point L308(lines 308 312) no Hoare annotation was computed. [2020-12-22 06:55:17,858 INFO L185 CegarLoopUtils]: At program point L77(lines 77 83) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse4 (= 1 ~systemActive~0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 (<= 2 ~waterLevel~0) .cse3) (and .cse0 .cse4 .cse2 .cse3 .cse6) (and .cse4 .cse5 .cse2 .cse3 .cse6) (and .cse5 .cse1 .cse2 .cse3))) [2020-12-22 06:55:17,858 INFO L185 CegarLoopUtils]: At program point L77-1(lines 77 83) the Hoare annotation is: false [2020-12-22 06:55:17,858 INFO L185 CegarLoopUtils]: At program point L77-2(lines 77 83) the Hoare annotation is: false [2020-12-22 06:55:17,858 INFO L185 CegarLoopUtils]: At program point L1002(lines 997 1005) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~waterLevel~0))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 (= ~methAndRunningLastTime~0 0)) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3))) [2020-12-22 06:55:17,858 INFO L185 CegarLoopUtils]: At program point L1002-1(lines 997 1005) the Hoare annotation is: false [2020-12-22 06:55:17,858 INFO L185 CegarLoopUtils]: At program point L1002-2(lines 997 1005) the Hoare annotation is: false [2020-12-22 06:55:17,859 INFO L189 CegarLoopUtils]: For program point L342(lines 342 348) no Hoare annotation was computed. [2020-12-22 06:55:17,859 INFO L185 CegarLoopUtils]: At program point L342-1(lines 70 76) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse2 (<= 2 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse5 (= 0 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse3) (and .cse0 .cse1 .cse6 .cse3 .cse7 .cse4) (and .cse1 .cse8 .cse2 .cse3) (and .cse1 .cse8 .cse6 .cse3 .cse7 .cse4) (and .cse8 .cse5 .cse6 .cse3))) [2020-12-22 06:55:17,859 INFO L189 CegarLoopUtils]: For program point L46(line 46) no Hoare annotation was computed. [2020-12-22 06:55:17,859 INFO L189 CegarLoopUtils]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-12-22 06:55:17,859 INFO L189 CegarLoopUtils]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-12-22 06:55:17,859 INFO L189 CegarLoopUtils]: For program point L380(lines 380 397) no Hoare annotation was computed. [2020-12-22 06:55:17,859 INFO L185 CegarLoopUtils]: At program point L380-1(lines 1 1005) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse7 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~6 0)) (.cse8 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse9 (<= 1 ~waterLevel~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse10 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse6 .cse7 .cse3 .cse4) (and .cse0 .cse1 .cse8 .cse3 .cse4 .cse9 .cse10) (and .cse8 .cse5 (<= 2 ~waterLevel~0) .cse6 .cse7 .cse4 .cse10) (and .cse8 .cse5 .cse3 .cse9 .cse4 .cse10))) [2020-12-22 06:55:17,860 INFO L185 CegarLoopUtils]: At program point L413-2(lines 413 427) the Hoare annotation is: false [2020-12-22 06:55:17,860 INFO L189 CegarLoopUtils]: For program point L380-2(lines 380 397) no Hoare annotation was computed. [2020-12-22 06:55:17,860 INFO L189 CegarLoopUtils]: For program point L281(lines 281 287) no Hoare annotation was computed. [2020-12-22 06:55:17,860 INFO L185 CegarLoopUtils]: At program point L380-3(lines 1 1005) the Hoare annotation is: false [2020-12-22 06:55:17,860 INFO L185 CegarLoopUtils]: At program point L281-1(lines 281 287) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1))) [2020-12-22 06:55:17,860 INFO L189 CegarLoopUtils]: For program point L248(lines 248 252) no Hoare annotation was computed. [2020-12-22 06:55:17,860 INFO L189 CegarLoopUtils]: For program point L380-4(lines 380 397) no Hoare annotation was computed. [2020-12-22 06:55:17,860 INFO L185 CegarLoopUtils]: At program point L380-5(lines 1 1005) the Hoare annotation is: false [2020-12-22 06:55:17,861 INFO L189 CegarLoopUtils]: For program point L248-2(lines 248 252) no Hoare annotation was computed. [2020-12-22 06:55:17,861 INFO L189 CegarLoopUtils]: For program point L248-3(lines 248 252) no Hoare annotation was computed. [2020-12-22 06:55:17,861 INFO L189 CegarLoopUtils]: For program point L248-5(lines 248 252) no Hoare annotation was computed. [2020-12-22 06:55:17,861 INFO L189 CegarLoopUtils]: For program point L248-6(lines 248 252) no Hoare annotation was computed. [2020-12-22 06:55:17,861 INFO L189 CegarLoopUtils]: For program point L248-8(lines 248 252) no Hoare annotation was computed. [2020-12-22 06:55:17,861 INFO L189 CegarLoopUtils]: For program point L248-9(lines 248 252) no Hoare annotation was computed. [2020-12-22 06:55:17,861 INFO L189 CegarLoopUtils]: For program point L248-11(lines 248 252) no Hoare annotation was computed. [2020-12-22 06:55:17,861 INFO L189 CegarLoopUtils]: For program point L248-12(lines 248 252) no Hoare annotation was computed. [2020-12-22 06:55:17,861 INFO L189 CegarLoopUtils]: For program point L248-14(lines 248 252) no Hoare annotation was computed. [2020-12-22 06:55:17,861 INFO L189 CegarLoopUtils]: For program point L248-15(lines 248 252) no Hoare annotation was computed. [2020-12-22 06:55:17,862 INFO L189 CegarLoopUtils]: For program point L248-17(lines 248 252) no Hoare annotation was computed. [2020-12-22 06:55:17,862 INFO L189 CegarLoopUtils]: For program point L414(line 414) no Hoare annotation was computed. [2020-12-22 06:55:17,862 INFO L189 CegarLoopUtils]: For program point L910(lines 910 914) no Hoare annotation was computed. [2020-12-22 06:55:17,862 INFO L189 CegarLoopUtils]: For program point L910-3(lines 910 914) no Hoare annotation was computed. [2020-12-22 06:55:17,862 INFO L189 CegarLoopUtils]: For program point L910-6(lines 910 914) no Hoare annotation was computed. [2020-12-22 06:55:17,862 INFO L189 CegarLoopUtils]: For program point L316(lines 316 322) no Hoare annotation was computed. [2020-12-22 06:55:17,862 INFO L185 CegarLoopUtils]: At program point L316-1(lines 316 322) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse7 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~6 0)) (.cse8 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse9 (<= 1 ~waterLevel~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse10 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse6 .cse7 .cse3 .cse4) (and .cse0 .cse1 .cse8 .cse3 .cse4 .cse9 .cse10) (and .cse8 .cse5 (<= 2 ~waterLevel~0) .cse6 .cse7 .cse4 .cse10) (and .cse8 .cse5 .cse3 .cse9 .cse4 .cse10))) [2020-12-22 06:55:17,863 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:55:17,863 INFO L189 CegarLoopUtils]: For program point L417(lines 417 421) no Hoare annotation was computed. [2020-12-22 06:55:17,863 INFO L189 CegarLoopUtils]: For program point L384(lines 384 394) no Hoare annotation was computed. [2020-12-22 06:55:17,863 INFO L189 CegarLoopUtils]: For program point L417-1(lines 70 76) no Hoare annotation was computed. [2020-12-22 06:55:17,863 INFO L189 CegarLoopUtils]: For program point L384-2(lines 384 394) no Hoare annotation was computed. [2020-12-22 06:55:17,863 INFO L189 CegarLoopUtils]: For program point L384-4(lines 384 394) no Hoare annotation was computed. [2020-12-22 06:55:17,863 INFO L189 CegarLoopUtils]: For program point L385(lines 385 391) no Hoare annotation was computed. [2020-12-22 06:55:17,863 INFO L189 CegarLoopUtils]: For program point L385-2(lines 385 391) no Hoare annotation was computed. [2020-12-22 06:55:17,863 INFO L189 CegarLoopUtils]: For program point L385-4(lines 385 391) no Hoare annotation was computed. [2020-12-22 06:55:17,863 INFO L185 CegarLoopUtils]: At program point L947(lines 942 950) the Hoare annotation is: false [2020-12-22 06:55:17,864 INFO L185 CegarLoopUtils]: At program point L947-1(lines 942 950) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3))) [2020-12-22 06:55:17,864 INFO L185 CegarLoopUtils]: At program point L947-2(lines 942 950) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse7 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse6 .cse3 .cse4) (and .cse7 .cse5 .cse6 .cse3 .cse4 .cse8) (and .cse7 .cse5 .cse6 (<= 2 ~waterLevel~0) .cse4) (and .cse0 .cse1 .cse7 .cse3 .cse4 .cse8))) [2020-12-22 06:55:17,864 INFO L185 CegarLoopUtils]: At program point L947-3(lines 942 950) the Hoare annotation is: false [2020-12-22 06:55:17,864 INFO L185 CegarLoopUtils]: At program point L947-4(lines 942 950) the Hoare annotation is: false [2020-12-22 06:55:17,864 INFO L185 CegarLoopUtils]: At program point L947-5(lines 942 950) the Hoare annotation is: false [2020-12-22 06:55:17,865 INFO L185 CegarLoopUtils]: At program point L947-6(lines 942 950) the Hoare annotation is: false [2020-12-22 06:55:17,865 INFO L185 CegarLoopUtils]: At program point L947-7(lines 942 950) the Hoare annotation is: false [2020-12-22 06:55:17,865 INFO L185 CegarLoopUtils]: At program point L947-8(lines 942 950) the Hoare annotation is: false [2020-12-22 06:55:17,865 INFO L185 CegarLoopUtils]: At program point L254(lines 239 257) the Hoare annotation is: false [2020-12-22 06:55:17,865 INFO L185 CegarLoopUtils]: At program point L254-1(lines 239 257) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse6 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (.cse8 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse6 .cse3 .cse4 .cse7 .cse8) (and .cse1 .cse5 .cse6 .cse3 .cse4 .cse7 .cse8))) [2020-12-22 06:55:17,865 INFO L185 CegarLoopUtils]: At program point L254-2(lines 239 257) the Hoare annotation is: false [2020-12-22 06:55:17,865 INFO L185 CegarLoopUtils]: At program point L254-3(lines 239 257) the Hoare annotation is: false [2020-12-22 06:55:17,865 INFO L185 CegarLoopUtils]: At program point L254-4(lines 239 257) the Hoare annotation is: false [2020-12-22 06:55:17,866 INFO L185 CegarLoopUtils]: At program point L254-5(lines 239 257) the Hoare annotation is: false [2020-12-22 06:55:17,866 INFO L185 CegarLoopUtils]: At program point L354(lines 305 355) the Hoare annotation is: false [2020-12-22 06:55:17,866 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:55:17,866 INFO L185 CegarLoopUtils]: At program point L190(lines 183 193) the Hoare annotation is: false [2020-12-22 06:55:17,866 INFO L185 CegarLoopUtils]: At program point L190-1(lines 183 193) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) .cse1 .cse2 .cse3))) [2020-12-22 06:55:17,866 INFO L185 CegarLoopUtils]: At program point L190-2(lines 183 193) the Hoare annotation is: false [2020-12-22 06:55:17,866 INFO L185 CegarLoopUtils]: At program point L190-3(lines 183 193) the Hoare annotation is: false [2020-12-22 06:55:17,867 INFO L185 CegarLoopUtils]: At program point L190-4(lines 183 193) the Hoare annotation is: false [2020-12-22 06:55:17,867 INFO L185 CegarLoopUtils]: At program point L190-5(lines 183 193) the Hoare annotation is: false [2020-12-22 06:55:17,867 INFO L189 CegarLoopUtils]: For program point L488(lines 488 495) no Hoare annotation was computed. [2020-12-22 06:55:17,867 INFO L192 CegarLoopUtils]: At program point L488-1(lines 488 495) the Hoare annotation is: true [2020-12-22 06:55:17,867 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:55:17,867 INFO L185 CegarLoopUtils]: At program point L524(lines 1 1005) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-12-22 06:55:17,867 INFO L189 CegarLoopUtils]: For program point L326(lines 326 332) no Hoare annotation was computed. [2020-12-22 06:55:17,867 INFO L185 CegarLoopUtils]: At program point L326-1(lines 326 332) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse2 (<= 2 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse5 (= 0 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse3) (and .cse0 .cse1 .cse6 .cse3 .cse7 .cse4) (and .cse1 .cse8 .cse2 .cse3) (and .cse1 .cse8 .cse6 .cse3 .cse7 .cse4) (and .cse8 .cse5 .cse6 .cse3))) [2020-12-22 06:55:17,868 INFO L189 CegarLoopUtils]: For program point L128(lines 128 145) no Hoare annotation was computed. [2020-12-22 06:55:17,868 INFO L189 CegarLoopUtils]: For program point L128-1(lines 128 145) no Hoare annotation was computed. [2020-12-22 06:55:17,868 INFO L189 CegarLoopUtils]: For program point L128-2(lines 128 145) no Hoare annotation was computed. [2020-12-22 06:55:17,868 INFO L189 CegarLoopUtils]: For program point L987(lines 987 993) no Hoare annotation was computed. [2020-12-22 06:55:17,868 INFO L189 CegarLoopUtils]: For program point L987-1(lines 987 993) no Hoare annotation was computed. [2020-12-22 06:55:17,868 INFO L189 CegarLoopUtils]: For program point L987-2(lines 987 993) no Hoare annotation was computed. [2020-12-22 06:55:17,868 INFO L189 CegarLoopUtils]: For program point L987-3(lines 987 993) no Hoare annotation was computed. [2020-12-22 06:55:17,868 INFO L189 CegarLoopUtils]: For program point L987-4(lines 987 993) no Hoare annotation was computed. [2020-12-22 06:55:17,868 INFO L189 CegarLoopUtils]: For program point L987-5(lines 987 993) no Hoare annotation was computed. [2020-12-22 06:55:17,869 INFO L189 CegarLoopUtils]: For program point L922(lines 922 926) no Hoare annotation was computed. [2020-12-22 06:55:17,869 INFO L185 CegarLoopUtils]: At program point L461(lines 457 463) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-12-22 06:55:17,869 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:55:17,869 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:55:17,869 INFO L189 CegarLoopUtils]: For program point L165(lines 165 171) no Hoare annotation was computed. [2020-12-22 06:55:17,869 INFO L189 CegarLoopUtils]: For program point L132(lines 132 140) no Hoare annotation was computed. [2020-12-22 06:55:17,869 INFO L189 CegarLoopUtils]: For program point L165-2(lines 165 171) no Hoare annotation was computed. [2020-12-22 06:55:17,869 INFO L189 CegarLoopUtils]: For program point L132-1(lines 132 140) no Hoare annotation was computed. [2020-12-22 06:55:17,869 INFO L189 CegarLoopUtils]: For program point L132-2(lines 132 140) no Hoare annotation was computed. [2020-12-22 06:55:17,870 INFO L189 CegarLoopUtils]: For program point L165-4(lines 165 171) no Hoare annotation was computed. [2020-12-22 06:55:17,870 INFO L189 CegarLoopUtils]: For program point L165-6(lines 165 171) no Hoare annotation was computed. [2020-12-22 06:55:17,870 INFO L189 CegarLoopUtils]: For program point L165-8(lines 165 171) no Hoare annotation was computed. [2020-12-22 06:55:17,870 INFO L189 CegarLoopUtils]: For program point L165-10(lines 165 171) no Hoare annotation was computed. [2020-12-22 06:55:17,870 INFO L185 CegarLoopUtils]: At program point L199(lines 194 202) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (= 0 ~systemActive~0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (= 1 ~systemActive~0) .cse2 .cse3 .cse4 (<= 1 ~waterLevel~0)))) [2020-12-22 06:55:17,870 INFO L185 CegarLoopUtils]: At program point L199-1(lines 194 202) the Hoare annotation is: false [2020-12-22 06:55:17,870 INFO L185 CegarLoopUtils]: At program point L199-2(lines 194 202) the Hoare annotation is: false [2020-12-22 06:55:17,870 INFO L185 CegarLoopUtils]: At program point L992(lines 983 996) the Hoare annotation is: false [2020-12-22 06:55:17,871 INFO L185 CegarLoopUtils]: At program point L992-1(lines 983 996) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse3 .cse4 .cse6 .cse7) (and .cse1 .cse5 .cse3 .cse4 .cse6 .cse7))) [2020-12-22 06:55:17,871 INFO L185 CegarLoopUtils]: At program point L992-2(lines 983 996) the Hoare annotation is: false [2020-12-22 06:55:17,871 INFO L185 CegarLoopUtils]: At program point L992-3(lines 983 996) the Hoare annotation is: false [2020-12-22 06:55:17,871 INFO L185 CegarLoopUtils]: At program point L992-4(lines 983 996) the Hoare annotation is: false [2020-12-22 06:55:17,871 INFO L185 CegarLoopUtils]: At program point L992-5(lines 983 996) the Hoare annotation is: false [2020-12-22 06:55:17,871 INFO L192 CegarLoopUtils]: At program point L497(lines 478 500) the Hoare annotation is: true [2020-12-22 06:55:17,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:55:17 BoogieIcfgContainer [2020-12-22 06:55:17,910 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:55:17,911 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:55:17,911 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:55:17,911 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:55:17,911 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:55:01" (3/4) ... [2020-12-22 06:55:17,915 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:55:17,936 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:55:17,937 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:55:17,938 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:55:17,940 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:55:17,941 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:55:17,942 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:55:17,943 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:55:17,973 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) [2020-12-22 06:55:17,973 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) [2020-12-22 06:55:17,976 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-12-22 06:55:17,977 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-12-22 06:55:17,977 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-12-22 06:55:17,978 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-12-22 06:55:17,978 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((methaneLevelCritical == 1 && tmp == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp___0) && 1 <= \result) || (((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp___0) && 1 <= \result) [2020-12-22 06:55:17,979 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel)) || ((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel) [2020-12-22 06:55:17,981 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:55:17,981 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:55:18,071 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec2_product59.cil.c-witness.graphml [2020-12-22 06:55:18,072 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:55:18,073 INFO L168 Benchmark]: Toolchain (without parser) took 18413.23 ms. Allocated memory was 175.1 MB in the beginning and 392.2 MB in the end (delta: 217.1 MB). Free memory was 150.0 MB in the beginning and 271.3 MB in the end (delta: -121.3 MB). Peak memory consumption was 96.6 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:18,073 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 175.1 MB. Free memory is still 151.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:55:18,073 INFO L168 Benchmark]: CACSL2BoogieTranslator took 587.78 ms. Allocated memory is still 175.1 MB. Free memory was 149.9 MB in the beginning and 128.0 MB in the end (delta: 21.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:18,074 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.75 ms. Allocated memory is still 175.1 MB. Free memory was 128.0 MB in the beginning and 123.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:18,074 INFO L168 Benchmark]: Boogie Preprocessor took 66.21 ms. Allocated memory is still 175.1 MB. Free memory was 123.8 MB in the beginning and 120.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:18,074 INFO L168 Benchmark]: RCFGBuilder took 1396.97 ms. Allocated memory is still 175.1 MB. Free memory was 120.7 MB in the beginning and 90.2 MB in the end (delta: 30.5 MB). Peak memory consumption was 30.7 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:18,075 INFO L168 Benchmark]: TraceAbstraction took 16088.96 ms. Allocated memory was 175.1 MB in the beginning and 392.2 MB in the end (delta: 217.1 MB). Free memory was 89.7 MB in the beginning and 283.9 MB in the end (delta: -194.2 MB). Peak memory consumption was 172.9 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:18,075 INFO L168 Benchmark]: Witness Printer took 161.08 ms. Allocated memory is still 392.2 MB. Free memory was 283.9 MB in the beginning and 271.3 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:18,077 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 175.1 MB. Free memory is still 151.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 587.78 ms. Allocated memory is still 175.1 MB. Free memory was 149.9 MB in the beginning and 128.0 MB in the end (delta: 21.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 103.75 ms. Allocated memory is still 175.1 MB. Free memory was 128.0 MB in the beginning and 123.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 66.21 ms. Allocated memory is still 175.1 MB. Free memory was 123.8 MB in the beginning and 120.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1396.97 ms. Allocated memory is still 175.1 MB. Free memory was 120.7 MB in the beginning and 90.2 MB in the end (delta: 30.5 MB). Peak memory consumption was 30.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 16088.96 ms. Allocated memory was 175.1 MB in the beginning and 392.2 MB in the end (delta: 217.1 MB). Free memory was 89.7 MB in the beginning and 283.9 MB in the end (delta: -194.2 MB). Peak memory consumption was 172.9 MB. Max. memory is 8.0 GB. * Witness Printer took 161.08 ms. Allocated memory is still 392.2 MB. Free memory was 283.9 MB in the beginning and 271.3 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: 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: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 997]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 997]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 364]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: (((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && pumpRunning == 0) && splverifierCounter == 0) || ((methaneLevelCritical == 1 && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((methaneLevelCritical == 1 && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 997]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) || (((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: (((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel)) || ((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel) - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: (((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 1 && tmp == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp___0) && 1 <= \result) || (((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp___0) && 1 <= \result) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) || (((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 141 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.0s, OverallIterations: 16, TraceHistogramMax: 3, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1850 SDtfs, 2130 SDslu, 2820 SDs, 0 SdLazy, 367 SolverSat, 79 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 257 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=645occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 16 MinimizatonAttempts, 2152 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 228 NumberOfFragments, 1098 HoareAnnotationTreeSize, 57 FomulaSimplifications, 1751980 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 57 FomulaSimplificationsInter, 238256 FormulaSimplificationTreeSizeReductionInter, 7.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 892 NumberOfCodeBlocks, 892 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 874 ConstructedInterpolants, 0 QuantifiedInterpolants, 91993 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1031 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 18 InterpolantComputations, 15 PerfectInterpolantSequences, 304/340 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...