/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_spec1_product60.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:53:52,325 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:53:52,328 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:53:52,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:53:52,372 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:53:52,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:53:52,376 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:53:52,378 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:53:52,380 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:53:52,382 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:53:52,383 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:53:52,384 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:53:52,385 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:53:52,386 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:53:52,387 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:53:52,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:53:52,390 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:53:52,391 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:53:52,393 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:53:52,395 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:53:52,397 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:53:52,399 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:53:52,400 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:53:52,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:53:52,411 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:53:52,422 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:53:52,423 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:53:52,424 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:53:52,425 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:53:52,430 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:53:52,430 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:53:52,432 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:53:52,433 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:53:52,433 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:53:52,435 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:53:52,436 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:53:52,437 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:53:52,494 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:53:52,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:53:52,496 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:53:52,496 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:53:52,496 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:53:52,497 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:53:52,497 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:53:52,497 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:53:52,497 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:53:52,498 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:53:52,498 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:53:52,500 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:53:52,500 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:53:52,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:53:52,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:53:52,501 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:53:52,501 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:53:52,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:53:52,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:53:52,501 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:53:52,502 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:53:52,502 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:53:52,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:53:52,502 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:53:52,503 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:53:52,503 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:53:52,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:53:52,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:53:52,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:53:52,967 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:53:52,968 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:53:52,968 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c [2020-12-22 06:53:53,062 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fd1b5ac7/0762d76201fe48d59f8eb305d23e5156/FLAG8e2c726bb [2020-12-22 06:53:53,673 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:53:53,674 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c [2020-12-22 06:53:53,696 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fd1b5ac7/0762d76201fe48d59f8eb305d23e5156/FLAG8e2c726bb [2020-12-22 06:53:53,987 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fd1b5ac7/0762d76201fe48d59f8eb305d23e5156 [2020-12-22 06:53:53,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:53:53,992 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:53:53,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:53:53,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:53:53,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:53:53,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:53:53" (1/1) ... [2020-12-22 06:53:54,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eaf7683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:54, skipping insertion in model container [2020-12-22 06:53:54,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:53:53" (1/1) ... [2020-12-22 06:53:54,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:53:54,061 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:53:54,324 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_spec1_product60.cil.c[14245,14258] [2020-12-22 06:53:54,355 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:53:54,380 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:53:54,480 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_spec1_product60.cil.c[14245,14258] [2020-12-22 06:53:54,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:53:54,539 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:53:54,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:54 WrapperNode [2020-12-22 06:53:54,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:53:54,541 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:53:54,541 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:53:54,541 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:53:54,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:54" (1/1) ... [2020-12-22 06:53:54,571 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:54" (1/1) ... [2020-12-22 06:53:54,624 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:53:54,625 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:53:54,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:53:54,626 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:53:54,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:54" (1/1) ... [2020-12-22 06:53:54,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:54" (1/1) ... [2020-12-22 06:53:54,674 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:54" (1/1) ... [2020-12-22 06:53:54,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:54" (1/1) ... [2020-12-22 06:53:54,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:54" (1/1) ... [2020-12-22 06:53:54,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:54" (1/1) ... [2020-12-22 06:53:54,732 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:54" (1/1) ... [2020-12-22 06:53:54,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:53:54,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:53:54,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:53:54,746 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:53:54,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:54" (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 06:53:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:53:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:53:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:53:54,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:53:55,903 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:53:55,904 INFO L299 CfgBuilder]: Removed 198 assume(true) statements. [2020-12-22 06:53:55,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:53:55 BoogieIcfgContainer [2020-12-22 06:53:55,907 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:53:55,910 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:53:55,911 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:53:55,914 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:53:55,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:53:53" (1/3) ... [2020-12-22 06:53:55,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@476625c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:53:55, skipping insertion in model container [2020-12-22 06:53:55,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:54" (2/3) ... [2020-12-22 06:53:55,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@476625c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:53:55, skipping insertion in model container [2020-12-22 06:53:55,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:53:55" (3/3) ... [2020-12-22 06:53:55,923 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product60.cil.c [2020-12-22 06:53:55,930 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:53:55,936 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:53:55,959 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:53:56,002 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:53:56,003 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:53:56,003 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:53:56,003 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:53:56,003 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:53:56,003 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:53:56,003 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:53:56,004 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:53:56,028 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2020-12-22 06:53:56,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-22 06:53:56,037 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:56,038 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:53:56,038 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:56,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:56,047 INFO L82 PathProgramCache]: Analyzing trace with hash 1851082586, now seen corresponding path program 1 times [2020-12-22 06:53:56,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:56,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497752737] [2020-12-22 06:53:56,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:56,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:56,405 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 06:53:56,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497752737] [2020-12-22 06:53:56,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:56,407 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:53:56,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308654062] [2020-12-22 06:53:56,412 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:53:56,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:56,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:53:56,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:53:56,431 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 2 states. [2020-12-22 06:53:56,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:56,470 INFO L93 Difference]: Finished difference Result 268 states and 401 transitions. [2020-12-22 06:53:56,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:53:56,472 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-22 06:53:56,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:56,485 INFO L225 Difference]: With dead ends: 268 [2020-12-22 06:53:56,485 INFO L226 Difference]: Without dead ends: 133 [2020-12-22 06:53:56,489 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 06:53:56,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-12-22 06:53:56,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2020-12-22 06:53:56,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-12-22 06:53:56,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 192 transitions. [2020-12-22 06:53:56,553 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 192 transitions. Word has length 16 [2020-12-22 06:53:56,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:56,554 INFO L481 AbstractCegarLoop]: Abstraction has 133 states and 192 transitions. [2020-12-22 06:53:56,554 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:53:56,554 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2020-12-22 06:53:56,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 06:53:56,556 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:56,556 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:53:56,556 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:53:56,557 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:56,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:56,559 INFO L82 PathProgramCache]: Analyzing trace with hash 804325689, now seen corresponding path program 1 times [2020-12-22 06:53:56,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:56,560 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263638003] [2020-12-22 06:53:56,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:56,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:56,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:53:56,653 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263638003] [2020-12-22 06:53:56,653 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:56,654 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:53:56,654 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433877468] [2020-12-22 06:53:56,655 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:53:56,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:56,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:53:56,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:53:56,657 INFO L87 Difference]: Start difference. First operand 133 states and 192 transitions. Second operand 3 states. [2020-12-22 06:53:56,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:56,672 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2020-12-22 06:53:56,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:53:56,672 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-22 06:53:56,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:56,674 INFO L225 Difference]: With dead ends: 133 [2020-12-22 06:53:56,674 INFO L226 Difference]: Without dead ends: 55 [2020-12-22 06:53:56,678 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 06:53:56,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-12-22 06:53:56,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-12-22 06:53:56,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-12-22 06:53:56,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2020-12-22 06:53:56,686 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 17 [2020-12-22 06:53:56,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:56,686 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2020-12-22 06:53:56,686 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:53:56,687 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2020-12-22 06:53:56,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-22 06:53:56,688 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:56,688 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:53:56,688 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:53:56,688 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:56,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:56,689 INFO L82 PathProgramCache]: Analyzing trace with hash 934734913, now seen corresponding path program 1 times [2020-12-22 06:53:56,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:56,690 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89711519] [2020-12-22 06:53:56,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:56,867 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 06:53:56,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89711519] [2020-12-22 06:53:56,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:56,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:53:56,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988218595] [2020-12-22 06:53:56,868 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:53:56,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:56,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:53:56,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:53:56,871 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 3 states. [2020-12-22 06:53:56,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:56,933 INFO L93 Difference]: Finished difference Result 153 states and 225 transitions. [2020-12-22 06:53:56,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:53:56,936 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-12-22 06:53:56,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:56,938 INFO L225 Difference]: With dead ends: 153 [2020-12-22 06:53:56,938 INFO L226 Difference]: Without dead ends: 104 [2020-12-22 06:53:56,941 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 06:53:56,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-12-22 06:53:56,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 100. [2020-12-22 06:53:56,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-12-22 06:53:56,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 147 transitions. [2020-12-22 06:53:56,972 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 147 transitions. Word has length 22 [2020-12-22 06:53:56,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:56,972 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 147 transitions. [2020-12-22 06:53:56,972 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:53:56,972 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 147 transitions. [2020-12-22 06:53:56,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:53:56,976 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:56,976 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 06:53:56,976 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:53:56,977 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:56,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:56,977 INFO L82 PathProgramCache]: Analyzing trace with hash -2102865864, now seen corresponding path program 1 times [2020-12-22 06:53:56,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:56,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526696344] [2020-12-22 06:53:56,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:57,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:57,088 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 06:53:57,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526696344] [2020-12-22 06:53:57,090 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:57,090 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:53:57,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101948637] [2020-12-22 06:53:57,091 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:53:57,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:57,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:53:57,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:53:57,094 INFO L87 Difference]: Start difference. First operand 100 states and 147 transitions. Second operand 3 states. [2020-12-22 06:53:57,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:57,166 INFO L93 Difference]: Finished difference Result 235 states and 350 transitions. [2020-12-22 06:53:57,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:53:57,168 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-12-22 06:53:57,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:57,171 INFO L225 Difference]: With dead ends: 235 [2020-12-22 06:53:57,171 INFO L226 Difference]: Without dead ends: 141 [2020-12-22 06:53:57,174 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 06:53:57,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2020-12-22 06:53:57,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 139. [2020-12-22 06:53:57,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-12-22 06:53:57,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 201 transitions. [2020-12-22 06:53:57,208 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 201 transitions. Word has length 24 [2020-12-22 06:53:57,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:57,209 INFO L481 AbstractCegarLoop]: Abstraction has 139 states and 201 transitions. [2020-12-22 06:53:57,209 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:53:57,209 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 201 transitions. [2020-12-22 06:53:57,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 06:53:57,210 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:57,210 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:53:57,211 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:53:57,211 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:57,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:57,215 INFO L82 PathProgramCache]: Analyzing trace with hash 379959382, now seen corresponding path program 1 times [2020-12-22 06:53:57,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:57,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335940194] [2020-12-22 06:53:57,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:57,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:57,341 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 06:53:57,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335940194] [2020-12-22 06:53:57,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:57,342 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:53:57,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151464487] [2020-12-22 06:53:57,343 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:53:57,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:57,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:53:57,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:53:57,347 INFO L87 Difference]: Start difference. First operand 139 states and 201 transitions. Second operand 5 states. [2020-12-22 06:53:57,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:57,490 INFO L93 Difference]: Finished difference Result 747 states and 1098 transitions. [2020-12-22 06:53:57,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:53:57,491 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-12-22 06:53:57,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:57,495 INFO L225 Difference]: With dead ends: 747 [2020-12-22 06:53:57,495 INFO L226 Difference]: Without dead ends: 614 [2020-12-22 06:53:57,496 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 06:53:57,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2020-12-22 06:53:57,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 262. [2020-12-22 06:53:57,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-12-22 06:53:57,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 375 transitions. [2020-12-22 06:53:57,528 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 375 transitions. Word has length 25 [2020-12-22 06:53:57,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:57,528 INFO L481 AbstractCegarLoop]: Abstraction has 262 states and 375 transitions. [2020-12-22 06:53:57,529 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:53:57,529 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 375 transitions. [2020-12-22 06:53:57,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:53:57,530 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:57,530 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 06:53:57,530 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:53:57,531 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:57,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:57,531 INFO L82 PathProgramCache]: Analyzing trace with hash 176152288, now seen corresponding path program 1 times [2020-12-22 06:53:57,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:57,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914102613] [2020-12-22 06:53:57,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:57,583 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 06:53:57,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914102613] [2020-12-22 06:53:57,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:57,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:53:57,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177417447] [2020-12-22 06:53:57,585 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:53:57,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:57,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:53:57,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:53:57,586 INFO L87 Difference]: Start difference. First operand 262 states and 375 transitions. Second operand 5 states. [2020-12-22 06:53:57,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:57,715 INFO L93 Difference]: Finished difference Result 768 states and 1102 transitions. [2020-12-22 06:53:57,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:53:57,716 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-12-22 06:53:57,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:57,720 INFO L225 Difference]: With dead ends: 768 [2020-12-22 06:53:57,720 INFO L226 Difference]: Without dead ends: 766 [2020-12-22 06:53:57,721 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 06:53:57,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2020-12-22 06:53:57,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 262. [2020-12-22 06:53:57,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-12-22 06:53:57,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 373 transitions. [2020-12-22 06:53:57,747 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 373 transitions. Word has length 26 [2020-12-22 06:53:57,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:57,748 INFO L481 AbstractCegarLoop]: Abstraction has 262 states and 373 transitions. [2020-12-22 06:53:57,748 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:53:57,748 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 373 transitions. [2020-12-22 06:53:57,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:53:57,749 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:57,750 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] [2020-12-22 06:53:57,750 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:53:57,750 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:57,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:57,751 INFO L82 PathProgramCache]: Analyzing trace with hash -531386443, now seen corresponding path program 1 times [2020-12-22 06:53:57,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:57,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032380525] [2020-12-22 06:53:57,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:57,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:57,832 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 06:53:57,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032380525] [2020-12-22 06:53:57,833 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:57,833 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:53:57,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253752286] [2020-12-22 06:53:57,834 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:53:57,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:57,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:53:57,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:53:57,835 INFO L87 Difference]: Start difference. First operand 262 states and 373 transitions. Second operand 5 states. [2020-12-22 06:53:57,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:57,933 INFO L93 Difference]: Finished difference Result 698 states and 980 transitions. [2020-12-22 06:53:57,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:53:57,934 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-12-22 06:53:57,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:57,937 INFO L225 Difference]: With dead ends: 698 [2020-12-22 06:53:57,937 INFO L226 Difference]: Without dead ends: 442 [2020-12-22 06:53:57,940 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 06:53:57,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2020-12-22 06:53:57,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 286. [2020-12-22 06:53:57,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2020-12-22 06:53:57,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 397 transitions. [2020-12-22 06:53:57,969 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 397 transitions. Word has length 34 [2020-12-22 06:53:57,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:57,971 INFO L481 AbstractCegarLoop]: Abstraction has 286 states and 397 transitions. [2020-12-22 06:53:57,971 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:53:57,972 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 397 transitions. [2020-12-22 06:53:57,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:53:57,977 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:57,977 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] [2020-12-22 06:53:57,977 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:53:57,977 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:57,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:57,978 INFO L82 PathProgramCache]: Analyzing trace with hash -1118192457, now seen corresponding path program 1 times [2020-12-22 06:53:57,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:57,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172792201] [2020-12-22 06:53:57,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:58,048 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 06:53:58,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172792201] [2020-12-22 06:53:58,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:58,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:53:58,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681068611] [2020-12-22 06:53:58,050 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:53:58,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:58,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:53:58,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:53:58,051 INFO L87 Difference]: Start difference. First operand 286 states and 397 transitions. Second operand 4 states. [2020-12-22 06:53:58,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:58,113 INFO L93 Difference]: Finished difference Result 686 states and 942 transitions. [2020-12-22 06:53:58,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:53:58,113 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-12-22 06:53:58,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:58,116 INFO L225 Difference]: With dead ends: 686 [2020-12-22 06:53:58,117 INFO L226 Difference]: Without dead ends: 406 [2020-12-22 06:53:58,117 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 06:53:58,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2020-12-22 06:53:58,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 302. [2020-12-22 06:53:58,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2020-12-22 06:53:58,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 413 transitions. [2020-12-22 06:53:58,153 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 413 transitions. Word has length 34 [2020-12-22 06:53:58,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:58,153 INFO L481 AbstractCegarLoop]: Abstraction has 302 states and 413 transitions. [2020-12-22 06:53:58,153 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:53:58,153 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 413 transitions. [2020-12-22 06:53:58,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:53:58,155 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:58,155 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] [2020-12-22 06:53:58,155 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:53:58,156 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:58,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:58,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1896911161, now seen corresponding path program 1 times [2020-12-22 06:53:58,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:58,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88540291] [2020-12-22 06:53:58,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:58,214 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 06:53:58,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88540291] [2020-12-22 06:53:58,219 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:58,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:53:58,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870732002] [2020-12-22 06:53:58,219 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:53:58,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:58,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:53:58,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:53:58,223 INFO L87 Difference]: Start difference. First operand 302 states and 413 transitions. Second operand 3 states. [2020-12-22 06:53:58,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:58,268 INFO L93 Difference]: Finished difference Result 702 states and 954 transitions. [2020-12-22 06:53:58,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:53:58,269 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-12-22 06:53:58,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:58,271 INFO L225 Difference]: With dead ends: 702 [2020-12-22 06:53:58,271 INFO L226 Difference]: Without dead ends: 406 [2020-12-22 06:53:58,272 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 06:53:58,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2020-12-22 06:53:58,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 406. [2020-12-22 06:53:58,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 406 states. [2020-12-22 06:53:58,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 539 transitions. [2020-12-22 06:53:58,310 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 539 transitions. Word has length 34 [2020-12-22 06:53:58,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:58,311 INFO L481 AbstractCegarLoop]: Abstraction has 406 states and 539 transitions. [2020-12-22 06:53:58,311 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:53:58,311 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 539 transitions. [2020-12-22 06:53:58,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-22 06:53:58,313 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:58,314 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:53:58,314 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:53:58,315 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:58,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:58,315 INFO L82 PathProgramCache]: Analyzing trace with hash -881620425, now seen corresponding path program 1 times [2020-12-22 06:53:58,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:58,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997673858] [2020-12-22 06:53:58,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:58,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:58,420 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 06:53:58,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997673858] [2020-12-22 06:53:58,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:58,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-22 06:53:58,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261232603] [2020-12-22 06:53:58,422 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 06:53:58,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:58,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 06:53:58,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:53:58,423 INFO L87 Difference]: Start difference. First operand 406 states and 539 transitions. Second operand 8 states. [2020-12-22 06:53:59,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:59,071 INFO L93 Difference]: Finished difference Result 1710 states and 2249 transitions. [2020-12-22 06:53:59,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-22 06:53:59,071 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2020-12-22 06:53:59,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:59,078 INFO L225 Difference]: With dead ends: 1710 [2020-12-22 06:53:59,079 INFO L226 Difference]: Without dead ends: 1310 [2020-12-22 06:53:59,080 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=159, Invalid=393, Unknown=0, NotChecked=0, Total=552 [2020-12-22 06:53:59,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1310 states. [2020-12-22 06:53:59,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1310 to 406. [2020-12-22 06:53:59,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 406 states. [2020-12-22 06:53:59,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 529 transitions. [2020-12-22 06:53:59,124 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 529 transitions. Word has length 35 [2020-12-22 06:53:59,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:59,124 INFO L481 AbstractCegarLoop]: Abstraction has 406 states and 529 transitions. [2020-12-22 06:53:59,124 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 06:53:59,124 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 529 transitions. [2020-12-22 06:53:59,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-22 06:53:59,126 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:59,126 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:53:59,126 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 06:53:59,126 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:59,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:59,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1725515931, now seen corresponding path program 1 times [2020-12-22 06:53:59,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:59,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440169982] [2020-12-22 06:53:59,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:59,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:59,169 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 06:53:59,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440169982] [2020-12-22 06:53:59,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:59,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:53:59,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611619548] [2020-12-22 06:53:59,170 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:53:59,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:59,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:53:59,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:53:59,171 INFO L87 Difference]: Start difference. First operand 406 states and 529 transitions. Second operand 3 states. [2020-12-22 06:53:59,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:59,316 INFO L93 Difference]: Finished difference Result 688 states and 894 transitions. [2020-12-22 06:53:59,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:53:59,316 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-12-22 06:53:59,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:59,318 INFO L225 Difference]: With dead ends: 688 [2020-12-22 06:53:59,318 INFO L226 Difference]: Without dead ends: 288 [2020-12-22 06:53:59,319 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 06:53:59,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2020-12-22 06:53:59,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 280. [2020-12-22 06:53:59,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-12-22 06:53:59,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 359 transitions. [2020-12-22 06:53:59,347 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 359 transitions. Word has length 53 [2020-12-22 06:53:59,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:59,348 INFO L481 AbstractCegarLoop]: Abstraction has 280 states and 359 transitions. [2020-12-22 06:53:59,348 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:53:59,348 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 359 transitions. [2020-12-22 06:53:59,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-22 06:53:59,349 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:59,349 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] [2020-12-22 06:53:59,349 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 06:53:59,350 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:59,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:59,350 INFO L82 PathProgramCache]: Analyzing trace with hash -1734965659, now seen corresponding path program 1 times [2020-12-22 06:53:59,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:59,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719199401] [2020-12-22 06:53:59,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:59,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:59,521 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 06:53:59,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719199401] [2020-12-22 06:53:59,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:59,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:53:59,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631492565] [2020-12-22 06:53:59,522 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:53:59,523 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:59,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:53:59,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:53:59,523 INFO L87 Difference]: Start difference. First operand 280 states and 359 transitions. Second operand 6 states. [2020-12-22 06:53:59,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:59,891 INFO L93 Difference]: Finished difference Result 1458 states and 1910 transitions. [2020-12-22 06:53:59,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 06:53:59,892 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2020-12-22 06:53:59,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:59,898 INFO L225 Difference]: With dead ends: 1458 [2020-12-22 06:53:59,899 INFO L226 Difference]: Without dead ends: 1272 [2020-12-22 06:53:59,899 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-12-22 06:53:59,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1272 states. [2020-12-22 06:53:59,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1272 to 548. [2020-12-22 06:53:59,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 548 states. [2020-12-22 06:53:59,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 704 transitions. [2020-12-22 06:53:59,966 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 704 transitions. Word has length 56 [2020-12-22 06:53:59,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:59,966 INFO L481 AbstractCegarLoop]: Abstraction has 548 states and 704 transitions. [2020-12-22 06:53:59,967 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:53:59,967 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 704 transitions. [2020-12-22 06:53:59,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-22 06:53:59,968 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:59,968 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] [2020-12-22 06:53:59,968 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 06:53:59,968 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:59,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:59,969 INFO L82 PathProgramCache]: Analyzing trace with hash -1033901081, now seen corresponding path program 1 times [2020-12-22 06:53:59,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:59,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123191038] [2020-12-22 06:53:59,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:00,022 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-22 06:54:00,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123191038] [2020-12-22 06:54:00,023 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:00,023 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:54:00,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163389531] [2020-12-22 06:54:00,023 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:00,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:00,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:00,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:00,024 INFO L87 Difference]: Start difference. First operand 548 states and 704 transitions. Second operand 5 states. [2020-12-22 06:54:00,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:00,175 INFO L93 Difference]: Finished difference Result 1114 states and 1427 transitions. [2020-12-22 06:54:00,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:54:00,176 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-12-22 06:54:00,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:00,177 INFO L225 Difference]: With dead ends: 1114 [2020-12-22 06:54:00,177 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:54:00,179 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 06:54:00,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:54:00,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:54:00,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:54:00,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:54:00,180 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2020-12-22 06:54:00,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:00,180 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:54:00,180 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:00,181 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:54:00,181 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:54:00,181 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-22 06:54:00,183 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:54:00,933 WARN L197 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 203 [2020-12-22 06:54:01,487 WARN L197 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 150 [2020-12-22 06:54:01,701 WARN L197 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 116 [2020-12-22 06:54:02,127 WARN L197 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 148 [2020-12-22 06:54:02,373 WARN L197 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 123 [2020-12-22 06:54:02,658 WARN L197 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 142 [2020-12-22 06:54:02,819 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 90 [2020-12-22 06:54:03,344 WARN L197 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 203 [2020-12-22 06:54:03,708 WARN L197 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 190 [2020-12-22 06:54:04,149 WARN L197 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 194 [2020-12-22 06:54:05,484 WARN L197 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 200 DAG size of output: 23 [2020-12-22 06:54:06,527 WARN L197 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 146 DAG size of output: 31 [2020-12-22 06:54:07,039 WARN L197 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 28 [2020-12-22 06:54:07,393 WARN L197 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 22 [2020-12-22 06:54:07,641 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 26 [2020-12-22 06:54:08,568 WARN L197 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 31 [2020-12-22 06:54:09,221 WARN L197 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 17 [2020-12-22 06:54:10,231 WARN L197 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 141 DAG size of output: 31 [2020-12-22 06:54:10,389 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 20 [2020-12-22 06:54:10,693 WARN L197 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 25 [2020-12-22 06:54:10,811 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 23 [2020-12-22 06:54:12,209 WARN L197 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 200 DAG size of output: 30 [2020-12-22 06:54:13,557 WARN L197 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 189 DAG size of output: 29 [2020-12-22 06:54:14,883 WARN L197 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 190 DAG size of output: 30 [2020-12-22 06:54:14,891 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 653) no Hoare annotation was computed. [2020-12-22 06:54:14,892 INFO L189 CegarLoopUtils]: For program point L796(lines 796 813) no Hoare annotation was computed. [2020-12-22 06:54:14,892 INFO L189 CegarLoopUtils]: For program point L796-1(lines 796 813) no Hoare annotation was computed. [2020-12-22 06:54:14,893 INFO L189 CegarLoopUtils]: For program point L796-2(lines 796 813) no Hoare annotation was computed. [2020-12-22 06:54:14,893 INFO L189 CegarLoopUtils]: For program point L235(lines 235 241) no Hoare annotation was computed. [2020-12-22 06:54:14,893 INFO L189 CegarLoopUtils]: For program point L235-1(lines 235 241) no Hoare annotation was computed. [2020-12-22 06:54:14,893 INFO L189 CegarLoopUtils]: For program point L235-2(lines 235 241) no Hoare annotation was computed. [2020-12-22 06:54:14,893 INFO L189 CegarLoopUtils]: For program point L235-3(lines 235 241) no Hoare annotation was computed. [2020-12-22 06:54:14,893 INFO L189 CegarLoopUtils]: For program point L235-4(lines 235 241) no Hoare annotation was computed. [2020-12-22 06:54:14,893 INFO L189 CegarLoopUtils]: For program point L235-5(lines 235 241) no Hoare annotation was computed. [2020-12-22 06:54:14,893 INFO L189 CegarLoopUtils]: For program point L269(lines 269 275) no Hoare annotation was computed. [2020-12-22 06:54:14,894 INFO L189 CegarLoopUtils]: For program point L269-2(lines 269 275) no Hoare annotation was computed. [2020-12-22 06:54:14,894 INFO L189 CegarLoopUtils]: For program point L170(lines 170 174) no Hoare annotation was computed. [2020-12-22 06:54:14,894 INFO L189 CegarLoopUtils]: For program point L269-4(lines 269 275) no Hoare annotation was computed. [2020-12-22 06:54:14,894 INFO L185 CegarLoopUtils]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:54:14,894 INFO L189 CegarLoopUtils]: For program point L700(lines 700 715) no Hoare annotation was computed. [2020-12-22 06:54:14,894 INFO L189 CegarLoopUtils]: For program point L833(lines 833 839) no Hoare annotation was computed. [2020-12-22 06:54:14,894 INFO L189 CegarLoopUtils]: For program point L800(lines 800 808) no Hoare annotation was computed. [2020-12-22 06:54:14,895 INFO L189 CegarLoopUtils]: For program point L833-2(lines 833 839) no Hoare annotation was computed. [2020-12-22 06:54:14,895 INFO L189 CegarLoopUtils]: For program point L800-1(lines 800 808) no Hoare annotation was computed. [2020-12-22 06:54:14,895 INFO L189 CegarLoopUtils]: For program point L800-2(lines 800 808) no Hoare annotation was computed. [2020-12-22 06:54:14,895 INFO L189 CegarLoopUtils]: For program point L833-4(lines 833 839) no Hoare annotation was computed. [2020-12-22 06:54:14,895 INFO L189 CegarLoopUtils]: For program point L833-6(lines 833 839) no Hoare annotation was computed. [2020-12-22 06:54:14,895 INFO L189 CegarLoopUtils]: For program point L833-8(lines 833 839) no Hoare annotation was computed. [2020-12-22 06:54:14,895 INFO L189 CegarLoopUtils]: For program point L833-10(lines 833 839) no Hoare annotation was computed. [2020-12-22 06:54:14,895 INFO L185 CegarLoopUtils]: At program point L999(lines 994 1002) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:54:14,896 INFO L185 CegarLoopUtils]: At program point L867(lines 862 870) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (not (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~waterLevel~0))) (or (and .cse0 (= 0 ~systemActive~0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= 1 ~systemActive~0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-12-22 06:54:14,896 INFO L185 CegarLoopUtils]: At program point L867-1(lines 862 870) the Hoare annotation is: false [2020-12-22 06:54:14,896 INFO L185 CegarLoopUtils]: At program point L867-2(lines 862 870) the Hoare annotation is: false [2020-12-22 06:54:14,896 INFO L185 CegarLoopUtils]: At program point L240(lines 231 244) the Hoare annotation is: false [2020-12-22 06:54:14,896 INFO L185 CegarLoopUtils]: At program point L240-1(lines 231 244) 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 06:54:14,896 INFO L185 CegarLoopUtils]: At program point L240-2(lines 231 244) the Hoare annotation is: false [2020-12-22 06:54:14,896 INFO L185 CegarLoopUtils]: At program point L240-3(lines 231 244) the Hoare annotation is: false [2020-12-22 06:54:14,897 INFO L192 CegarLoopUtils]: At program point L141(lines 122 144) the Hoare annotation is: true [2020-12-22 06:54:14,897 INFO L185 CegarLoopUtils]: At program point L240-4(lines 231 244) the Hoare annotation is: false [2020-12-22 06:54:14,897 INFO L185 CegarLoopUtils]: At program point L240-5(lines 231 244) the Hoare annotation is: false [2020-12-22 06:54:14,897 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 653) no Hoare annotation was computed. [2020-12-22 06:54:14,897 INFO L189 CegarLoopUtils]: For program point L935(lines 935 939) no Hoare annotation was computed. [2020-12-22 06:54:14,897 INFO L189 CegarLoopUtils]: For program point L935-2(lines 935 939) no Hoare annotation was computed. [2020-12-22 06:54:14,897 INFO L189 CegarLoopUtils]: For program point L935-3(lines 935 939) no Hoare annotation was computed. [2020-12-22 06:54:14,897 INFO L189 CegarLoopUtils]: For program point L770(lines 770 787) no Hoare annotation was computed. [2020-12-22 06:54:14,897 INFO L189 CegarLoopUtils]: For program point L935-5(lines 935 939) no Hoare annotation was computed. [2020-12-22 06:54:14,898 INFO L189 CegarLoopUtils]: For program point L770-1(lines 770 787) no Hoare annotation was computed. [2020-12-22 06:54:14,898 INFO L189 CegarLoopUtils]: For program point L935-6(lines 935 939) no Hoare annotation was computed. [2020-12-22 06:54:14,898 INFO L189 CegarLoopUtils]: For program point L770-2(lines 770 787) no Hoare annotation was computed. [2020-12-22 06:54:14,898 INFO L189 CegarLoopUtils]: For program point L671(lines 670 719) no Hoare annotation was computed. [2020-12-22 06:54:14,898 INFO L189 CegarLoopUtils]: For program point L770-3(lines 770 787) no Hoare annotation was computed. [2020-12-22 06:54:14,898 INFO L189 CegarLoopUtils]: For program point L935-8(lines 935 939) no Hoare annotation was computed. [2020-12-22 06:54:14,898 INFO L189 CegarLoopUtils]: For program point L770-4(lines 770 787) no Hoare annotation was computed. [2020-12-22 06:54:14,898 INFO L189 CegarLoopUtils]: For program point L770-5(lines 770 787) no Hoare annotation was computed. [2020-12-22 06:54:14,899 INFO L185 CegarLoopUtils]: At program point L738(lines 737 756) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse2 .cse3) (and .cse1 .cse4 .cse2 .cse3) (and .cse0 .cse5 .cse6 .cse2 .cse3))) [2020-12-22 06:54:14,899 INFO L189 CegarLoopUtils]: For program point L738-1(lines 738 744) no Hoare annotation was computed. [2020-12-22 06:54:14,899 INFO L189 CegarLoopUtils]: For program point L672(lines 672 676) no Hoare annotation was computed. [2020-12-22 06:54:14,899 INFO L185 CegarLoopUtils]: At program point L738-2(lines 737 756) the Hoare annotation is: false [2020-12-22 06:54:14,899 INFO L185 CegarLoopUtils]: At program point L738-3(lines 737 756) the Hoare annotation is: false [2020-12-22 06:54:14,899 INFO L189 CegarLoopUtils]: For program point L774(lines 774 782) no Hoare annotation was computed. [2020-12-22 06:54:14,899 INFO L189 CegarLoopUtils]: For program point L774-1(lines 774 782) no Hoare annotation was computed. [2020-12-22 06:54:14,899 INFO L189 CegarLoopUtils]: For program point L708(lines 708 714) no Hoare annotation was computed. [2020-12-22 06:54:14,899 INFO L189 CegarLoopUtils]: For program point L774-2(lines 774 782) no Hoare annotation was computed. [2020-12-22 06:54:14,900 INFO L185 CegarLoopUtils]: At program point L708-1(lines 738 744) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse6 (= 1 ~systemActive~0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse3 .cse4) (and .cse6 .cse0 .cse7 .cse3) (and .cse6 .cse0 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse3) (and .cse5 .cse1 .cse2 .cse3 .cse4))) [2020-12-22 06:54:14,900 INFO L189 CegarLoopUtils]: For program point L774-3(lines 774 782) no Hoare annotation was computed. [2020-12-22 06:54:14,900 INFO L189 CegarLoopUtils]: For program point L774-4(lines 774 782) no Hoare annotation was computed. [2020-12-22 06:54:14,900 INFO L189 CegarLoopUtils]: For program point L774-5(lines 774 782) no Hoare annotation was computed. [2020-12-22 06:54:14,900 INFO L185 CegarLoopUtils]: At program point L941(lines 926 944) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isLowWaterLevel_~tmp___0~3 1)) (.cse1 (<= ULTIMATE.start_isLowWaterLevel_~tmp~10 0)) (.cse2 (< 0 (+ ULTIMATE.start_isLowWaterLevel_~tmp~10 1))) (.cse3 (= |ULTIMATE.start_isLowWaterLevel_#res| 1)) (.cse4 (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse6 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse5 (= 1 ~systemActive~0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~methaneLevelCritical~0 0) .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methaneLevelCritical~0 1) .cse6 .cse5 .cse7 .cse8))) [2020-12-22 06:54:14,900 INFO L185 CegarLoopUtils]: At program point L941-1(lines 926 944) the Hoare annotation is: false [2020-12-22 06:54:14,901 INFO L185 CegarLoopUtils]: At program point L941-2(lines 926 944) the Hoare annotation is: false [2020-12-22 06:54:14,901 INFO L189 CegarLoopUtils]: For program point L182(lines 182 186) no Hoare annotation was computed. [2020-12-22 06:54:14,901 INFO L185 CegarLoopUtils]: At program point L745(lines 745 751) the Hoare annotation is: (let ((.cse6 (= 1 ~systemActive~0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse3 .cse4) (and .cse6 .cse0 (<= 2 ~waterLevel~0) .cse3) (and .cse6 .cse0 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse4))) [2020-12-22 06:54:14,901 INFO L185 CegarLoopUtils]: At program point L745-1(lines 745 751) the Hoare annotation is: false [2020-12-22 06:54:14,901 INFO L185 CegarLoopUtils]: At program point L745-2(lines 745 751) the Hoare annotation is: false [2020-12-22 06:54:14,901 INFO L185 CegarLoopUtils]: At program point L250(lines 245 253) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse2 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4) (and .cse0 (= ~methaneLevelCritical~0 1) .cse2 .cse1 .cse3 .cse4))) [2020-12-22 06:54:14,902 INFO L185 CegarLoopUtils]: At program point L250-1(lines 245 253) the Hoare annotation is: false [2020-12-22 06:54:14,902 INFO L185 CegarLoopUtils]: At program point L250-2(lines 245 253) the Hoare annotation is: false [2020-12-22 06:54:14,902 INFO L189 CegarLoopUtils]: For program point L680(lines 680 686) no Hoare annotation was computed. [2020-12-22 06:54:14,902 INFO L185 CegarLoopUtils]: At program point L680-1(lines 680 686) the Hoare annotation is: (let ((.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse2 (not .cse8)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse6 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~1 0)) (.cse9 (= 1 ~systemActive~0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse1 .cse8 .cse3 .cse4 .cse5) (and .cse9 .cse7 .cse3 .cse4 .cse5) (and .cse0 .cse9 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse9 .cse7 (<= 2 ~waterLevel~0) .cse8 .cse4)))) [2020-12-22 06:54:14,902 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:54:14,902 INFO L185 CegarLoopUtils]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-12-22 06:54:14,902 INFO L189 CegarLoopUtils]: For program point L55(line 55) no Hoare annotation was computed. [2020-12-22 06:54:14,902 INFO L189 CegarLoopUtils]: For program point L949(lines 949 955) no Hoare annotation was computed. [2020-12-22 06:54:14,903 INFO L185 CegarLoopUtils]: At program point L949-1(lines 949 955) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~waterLevel~0))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2))) [2020-12-22 06:54:14,903 INFO L189 CegarLoopUtils]: For program point L916(lines 916 920) no Hoare annotation was computed. [2020-12-22 06:54:14,903 INFO L189 CegarLoopUtils]: For program point L916-2(lines 916 920) no Hoare annotation was computed. [2020-12-22 06:54:14,903 INFO L189 CegarLoopUtils]: For program point L916-3(lines 916 920) no Hoare annotation was computed. [2020-12-22 06:54:14,903 INFO L189 CegarLoopUtils]: For program point L916-5(lines 916 920) no Hoare annotation was computed. [2020-12-22 06:54:14,903 INFO L189 CegarLoopUtils]: For program point L916-6(lines 916 920) no Hoare annotation was computed. [2020-12-22 06:54:14,904 INFO L189 CegarLoopUtils]: For program point L916-8(lines 916 920) no Hoare annotation was computed. [2020-12-22 06:54:14,904 INFO L189 CegarLoopUtils]: For program point L916-9(lines 916 920) no Hoare annotation was computed. [2020-12-22 06:54:14,904 INFO L189 CegarLoopUtils]: For program point L916-11(lines 916 920) no Hoare annotation was computed. [2020-12-22 06:54:14,904 INFO L189 CegarLoopUtils]: For program point L916-12(lines 916 920) no Hoare annotation was computed. [2020-12-22 06:54:14,904 INFO L189 CegarLoopUtils]: For program point L916-14(lines 916 920) no Hoare annotation was computed. [2020-12-22 06:54:14,905 INFO L189 CegarLoopUtils]: For program point L916-15(lines 916 920) no Hoare annotation was computed. [2020-12-22 06:54:14,905 INFO L189 CegarLoopUtils]: For program point L916-17(lines 916 920) no Hoare annotation was computed. [2020-12-22 06:54:14,905 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:54:14,905 INFO L189 CegarLoopUtils]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-12-22 06:54:14,905 INFO L189 CegarLoopUtils]: For program point L58-1(lines 738 744) no Hoare annotation was computed. [2020-12-22 06:54:14,905 INFO L189 CegarLoopUtils]: For program point L653(line 653) no Hoare annotation was computed. [2020-12-22 06:54:14,905 INFO L189 CegarLoopUtils]: For program point L653-1(line 653) no Hoare annotation was computed. [2020-12-22 06:54:14,905 INFO L189 CegarLoopUtils]: For program point L653-2(line 653) no Hoare annotation was computed. [2020-12-22 06:54:14,905 INFO L189 CegarLoopUtils]: For program point L158(lines 158 162) no Hoare annotation was computed. [2020-12-22 06:54:14,906 INFO L189 CegarLoopUtils]: For program point L158-3(lines 158 162) no Hoare annotation was computed. [2020-12-22 06:54:14,906 INFO L189 CegarLoopUtils]: For program point L158-6(lines 158 162) no Hoare annotation was computed. [2020-12-22 06:54:14,906 INFO L185 CegarLoopUtils]: At program point L720(lines 669 721) the Hoare annotation is: false [2020-12-22 06:54:14,906 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:54:14,906 INFO L189 CegarLoopUtils]: For program point L690(lines 690 696) no Hoare annotation was computed. [2020-12-22 06:54:14,906 INFO L185 CegarLoopUtils]: At program point L690-1(lines 690 696) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse3) (and .cse7 .cse5 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse3 .cse4) (and .cse7 .cse5 .cse6 .cse3) (and .cse7 .cse1 .cse2 .cse3 .cse4))) [2020-12-22 06:54:14,907 INFO L185 CegarLoopUtils]: At program point L195(lines 190 198) the Hoare annotation is: false [2020-12-22 06:54:14,907 INFO L185 CegarLoopUtils]: At program point L195-1(lines 190 198) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~methaneLevelCritical~0 1) .cse0 (not .cse1) .cse2 .cse3 .cse4) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4))) [2020-12-22 06:54:14,907 INFO L185 CegarLoopUtils]: At program point L195-2(lines 190 198) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse7 (= 0 ~systemActive~0)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse8 (not .cse2)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse4) (and .cse1 .cse7 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse8 .cse3 .cse4 .cse5)))) [2020-12-22 06:54:14,907 INFO L185 CegarLoopUtils]: At program point L195-3(lines 190 198) the Hoare annotation is: false [2020-12-22 06:54:14,907 INFO L185 CegarLoopUtils]: At program point L195-4(lines 190 198) the Hoare annotation is: false [2020-12-22 06:54:14,907 INFO L185 CegarLoopUtils]: At program point L195-5(lines 190 198) the Hoare annotation is: false [2020-12-22 06:54:14,908 INFO L185 CegarLoopUtils]: At program point L195-6(lines 190 198) the Hoare annotation is: false [2020-12-22 06:54:14,908 INFO L185 CegarLoopUtils]: At program point L195-7(lines 190 198) the Hoare annotation is: false [2020-12-22 06:54:14,908 INFO L185 CegarLoopUtils]: At program point L195-8(lines 190 198) the Hoare annotation is: false [2020-12-22 06:54:14,908 INFO L185 CegarLoopUtils]: At program point L922(lines 907 925) the Hoare annotation is: false [2020-12-22 06:54:14,908 INFO L185 CegarLoopUtils]: At program point L922-1(lines 907 925) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse1 .cse7 .cse3 .cse4 .cse8) (and .cse6 .cse1 .cse5 .cse7 .cse3 .cse4 .cse8))) [2020-12-22 06:54:14,908 INFO L185 CegarLoopUtils]: At program point L922-2(lines 907 925) the Hoare annotation is: false [2020-12-22 06:54:14,908 INFO L185 CegarLoopUtils]: At program point L922-3(lines 907 925) the Hoare annotation is: false [2020-12-22 06:54:14,908 INFO L185 CegarLoopUtils]: At program point L922-4(lines 907 925) the Hoare annotation is: false [2020-12-22 06:54:14,908 INFO L185 CegarLoopUtils]: At program point L922-5(lines 907 925) the Hoare annotation is: false [2020-12-22 06:54:14,909 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:54:14,909 INFO L185 CegarLoopUtils]: At program point L858(lines 851 861) the Hoare annotation is: false [2020-12-22 06:54:14,909 INFO L185 CegarLoopUtils]: At program point L858-1(lines 851 861) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4) (and (= ~methaneLevelCritical~0 1) .cse0 (not .cse1) .cse2 .cse3 .cse4 (not (= |ULTIMATE.start_isMethaneAlarm_#res| 0))))) [2020-12-22 06:54:14,909 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 653) no Hoare annotation was computed. [2020-12-22 06:54:14,909 INFO L185 CegarLoopUtils]: At program point L858-2(lines 851 861) the Hoare annotation is: false [2020-12-22 06:54:14,909 INFO L185 CegarLoopUtils]: At program point L858-3(lines 851 861) the Hoare annotation is: false [2020-12-22 06:54:14,909 INFO L185 CegarLoopUtils]: At program point L858-4(lines 851 861) the Hoare annotation is: false [2020-12-22 06:54:14,909 INFO L185 CegarLoopUtils]: At program point L858-5(lines 851 861) the Hoare annotation is: false [2020-12-22 06:54:14,909 INFO L189 CegarLoopUtils]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-12-22 06:54:14,910 INFO L192 CegarLoopUtils]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2020-12-22 06:54:14,910 INFO L185 CegarLoopUtils]: At program point L991(lines 1 1002) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:54:14,910 INFO L189 CegarLoopUtils]: For program point L265(lines 265 278) no Hoare annotation was computed. [2020-12-22 06:54:14,910 INFO L185 CegarLoopUtils]: At program point L265-1(lines 1 1002) the Hoare annotation is: (let ((.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse2 (not .cse8)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse6 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~1 0)) (.cse9 (= 1 ~systemActive~0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse1 .cse8 .cse3 .cse4 .cse5) (and .cse9 .cse7 .cse3 .cse4 .cse5) (and .cse0 .cse9 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse9 .cse7 (<= 2 ~waterLevel~0) .cse8 .cse4)))) [2020-12-22 06:54:14,910 INFO L189 CegarLoopUtils]: For program point L265-2(lines 265 278) no Hoare annotation was computed. [2020-12-22 06:54:14,910 INFO L185 CegarLoopUtils]: At program point L265-3(lines 1 1002) the Hoare annotation is: false [2020-12-22 06:54:14,910 INFO L189 CegarLoopUtils]: For program point L265-4(lines 265 278) no Hoare annotation was computed. [2020-12-22 06:54:14,910 INFO L185 CegarLoopUtils]: At program point L265-5(lines 1 1002) the Hoare annotation is: false [2020-12-22 06:54:14,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:54:14 BoogieIcfgContainer [2020-12-22 06:54:14,976 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:54:14,976 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:54:14,978 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:54:14,978 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:54:14,979 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:53:55" (3/4) ... [2020-12-22 06:54:14,985 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:54:15,019 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:54:15,020 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:54:15,022 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:54:15,024 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:54:15,025 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:54:15,026 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:54:15,028 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:54:15,069 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((methaneLevelCritical == 1 && 0 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) [2020-12-22 06:54:15,071 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((methaneLevelCritical == 1 && 0 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) [2020-12-22 06:54:15,077 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((methaneLevelCritical == 1 && 0 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || (((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-12-22 06:54:15,077 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result <= 0 && 1 == systemActive) && methaneLevelCritical == 0) && 0 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) || (((((\result <= 0 && methaneLevelCritical == 1) && 0 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) [2020-12-22 06:54:15,083 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 06:54:15,087 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == 1 && 0 == systemActive) && !(\result == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-12-22 06:54:15,088 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp___0 == 1 && tmp <= 0) && 0 < tmp + 1) && \result == 1) && \result <= 0) && 1 == systemActive) && methaneLevelCritical == 0) && 0 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) || (((((((((tmp___0 == 1 && tmp <= 0) && 0 < tmp + 1) && \result == 1) && \result <= 0) && methaneLevelCritical == 1) && 0 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) [2020-12-22 06:54:15,088 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 && tmp___0 == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((((tmp___0 == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-12-22 06:54:15,090 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:54:15,091 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0)) [2020-12-22 06:54:15,201 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec1_product60.cil.c-witness.graphml [2020-12-22 06:54:15,202 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:54:15,203 INFO L168 Benchmark]: Toolchain (without parser) took 21210.70 ms. Allocated memory was 186.6 MB in the beginning and 475.0 MB in the end (delta: 288.4 MB). Free memory was 160.4 MB in the beginning and 278.8 MB in the end (delta: -118.4 MB). Peak memory consumption was 171.7 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:15,203 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 186.6 MB. Free memory is still 157.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:54:15,203 INFO L168 Benchmark]: CACSL2BoogieTranslator took 546.06 ms. Allocated memory is still 186.6 MB. Free memory was 160.2 MB in the beginning and 137.9 MB in the end (delta: 22.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:15,204 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.71 ms. Allocated memory is still 186.6 MB. Free memory was 137.8 MB in the beginning and 133.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:15,204 INFO L168 Benchmark]: Boogie Preprocessor took 117.82 ms. Allocated memory is still 186.6 MB. Free memory was 133.8 MB in the beginning and 165.4 MB in the end (delta: -31.6 MB). Peak memory consumption was 3.5 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:15,204 INFO L168 Benchmark]: RCFGBuilder took 1161.59 ms. Allocated memory is still 186.6 MB. Free memory was 165.4 MB in the beginning and 97.7 MB in the end (delta: 67.6 MB). Peak memory consumption was 67.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:15,205 INFO L168 Benchmark]: TraceAbstraction took 19065.73 ms. Allocated memory was 186.6 MB in the beginning and 475.0 MB in the end (delta: 288.4 MB). Free memory was 97.2 MB in the beginning and 291.3 MB in the end (delta: -194.1 MB). Peak memory consumption was 222.7 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:15,205 INFO L168 Benchmark]: Witness Printer took 225.36 ms. Allocated memory is still 475.0 MB. Free memory was 291.3 MB in the beginning and 278.8 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:15,207 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 186.6 MB. Free memory is still 157.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 546.06 ms. Allocated memory is still 186.6 MB. Free memory was 160.2 MB in the beginning and 137.9 MB in the end (delta: 22.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 83.71 ms. Allocated memory is still 186.6 MB. Free memory was 137.8 MB in the beginning and 133.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 117.82 ms. Allocated memory is still 186.6 MB. Free memory was 133.8 MB in the beginning and 165.4 MB in the end (delta: -31.6 MB). Peak memory consumption was 3.5 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1161.59 ms. Allocated memory is still 186.6 MB. Free memory was 165.4 MB in the beginning and 97.7 MB in the end (delta: 67.6 MB). Peak memory consumption was 67.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 19065.73 ms. Allocated memory was 186.6 MB in the beginning and 475.0 MB in the end (delta: 288.4 MB). Free memory was 97.2 MB in the beginning and 291.3 MB in the end (delta: -194.1 MB). Peak memory consumption was 222.7 MB. Max. memory is 8.0 GB. * Witness Printer took 225.36 ms. Allocated memory is still 475.0 MB. Free memory was 291.3 MB in the beginning and 278.8 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: 653]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 653]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 653]: 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: 737]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 1 && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) || ((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 1 && 0 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: 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 && tmp___0 == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((((tmp___0 == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 1 && 0 == systemActive) && !(\result == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 994]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: (((((\result <= 0 && 1 == systemActive) && methaneLevelCritical == 0) && 0 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) || (((((\result <= 0 && methaneLevelCritical == 1) && 0 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: (((((((((tmp___0 == 1 && tmp <= 0) && 0 < tmp + 1) && \result == 1) && \result <= 0) && 1 == systemActive) && methaneLevelCritical == 0) && 0 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) || (((((((((tmp___0 == 1 && tmp <= 0) && 0 < tmp + 1) && \result == 1) && \result <= 0) && methaneLevelCritical == 1) && 0 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 1 && 0 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((methaneLevelCritical == 0 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((methaneLevelCritical == 1 && 0 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || (((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: 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: 851]: Loop Invariant Derived loop invariant: (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0)) - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((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 == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 137 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.1s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1638 SDtfs, 2103 SDslu, 3360 SDs, 0 SdLazy, 433 SolverSat, 79 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 103 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=548occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 2758 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 331 NumberOfFragments, 1099 HoareAnnotationTreeSize, 56 FomulaSimplifications, 3061454 FormulaSimplificationTreeSizeReduction, 3.9s HoareSimplificationTime, 56 FomulaSimplificationsInter, 646911 FormulaSimplificationTreeSizeReductionInter, 10.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 432 NumberOfCodeBlocks, 432 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 419 ConstructedInterpolants, 0 QuantifiedInterpolants, 25893 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 42/42 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...