/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec4_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:56:56,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:56:56,045 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:56:56,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:56:56,096 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:56:56,100 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:56:56,105 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:56:56,113 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:56:56,117 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:56:56,123 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:56:56,125 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:56:56,126 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:56:56,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:56:56,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:56:56,133 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:56:56,135 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:56:56,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:56:56,153 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:56:56,160 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:56:56,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:56:56,170 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:56:56,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:56:56,174 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:56:56,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:56:56,189 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:56:56,195 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:56:56,196 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:56:56,199 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:56:56,200 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:56:56,201 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:56:56,201 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:56:56,202 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:56:56,202 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:56:56,202 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:56:56,203 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:56:56,204 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:56:56,210 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:56:56,272 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:56:56,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:56:56,279 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:56:56,279 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:56:56,280 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:56:56,280 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:56:56,281 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:56:56,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:56:56,281 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:56:56,282 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:56:56,283 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:56:56,283 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:56:56,283 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:56:56,283 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:56:56,284 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:56:56,284 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:56:56,284 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:56:56,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:56:56,285 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:56:56,285 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:56:56,285 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:56:56,286 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:56:56,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:56:56,286 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:56:56,287 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:56:56,287 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:56:56,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:56:56,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:56:56,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:56:56,787 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:56:56,787 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:56:56,789 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product62.cil.c [2020-12-22 06:56:56,884 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc62f917f/f04dc3846fc84709aa5b2bba766174c9/FLAG55392d19b [2020-12-22 06:56:57,693 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:56:57,694 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product62.cil.c [2020-12-22 06:56:57,713 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc62f917f/f04dc3846fc84709aa5b2bba766174c9/FLAG55392d19b [2020-12-22 06:56:57,922 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc62f917f/f04dc3846fc84709aa5b2bba766174c9 [2020-12-22 06:56:57,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:56:57,927 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:56:57,931 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:56:57,931 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:56:57,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:56:57,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:56:57" (1/1) ... [2020-12-22 06:56:57,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@595fd062 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:57, skipping insertion in model container [2020-12-22 06:56:57,940 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:56:57" (1/1) ... [2020-12-22 06:56:57,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:56:58,001 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:56:58,171 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product62.cil.c[1281,1294] [2020-12-22 06:56:58,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:56:58,398 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:56:58,415 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product62.cil.c[1281,1294] [2020-12-22 06:56:58,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:56:58,558 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:56:58,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:58 WrapperNode [2020-12-22 06:56:58,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:56:58,562 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:56:58,562 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:56:58,562 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:56:58,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:58" (1/1) ... [2020-12-22 06:56:58,610 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:58" (1/1) ... [2020-12-22 06:56:58,732 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:56:58,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:56:58,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:56:58,736 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:56:58,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:58" (1/1) ... [2020-12-22 06:56:58,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:58" (1/1) ... [2020-12-22 06:56:58,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:58" (1/1) ... [2020-12-22 06:56:58,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:58" (1/1) ... [2020-12-22 06:56:58,782 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:58" (1/1) ... [2020-12-22 06:56:58,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:58" (1/1) ... [2020-12-22 06:56:58,804 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:58" (1/1) ... [2020-12-22 06:56:58,815 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:56:58,816 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:56:58,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:56:58,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:56:58,818 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:56:58,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:56:58,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:56:58,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:56:58,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:57:00,467 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:57:00,467 INFO L299 CfgBuilder]: Removed 350 assume(true) statements. [2020-12-22 06:57:00,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:00 BoogieIcfgContainer [2020-12-22 06:57:00,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:57:00,472 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:57:00,472 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:57:00,475 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:57:00,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:56:57" (1/3) ... [2020-12-22 06:57:00,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ccafe6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:57:00, skipping insertion in model container [2020-12-22 06:57:00,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:58" (2/3) ... [2020-12-22 06:57:00,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ccafe6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:57:00, skipping insertion in model container [2020-12-22 06:57:00,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:00" (3/3) ... [2020-12-22 06:57:00,479 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product62.cil.c [2020-12-22 06:57:00,486 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:57:00,491 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:57:00,509 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:57:00,538 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:57:00,538 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:57:00,538 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:57:00,539 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:57:00,539 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:57:00,539 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:57:00,539 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:57:00,539 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:57:00,561 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states. [2020-12-22 06:57:00,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-22 06:57:00,567 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:00,568 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:00,569 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:00,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:00,575 INFO L82 PathProgramCache]: Analyzing trace with hash -2100816283, now seen corresponding path program 1 times [2020-12-22 06:57:00,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:00,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353513748] [2020-12-22 06:57:00,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:00,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:00,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:00,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353513748] [2020-12-22 06:57:00,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:00,914 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:00,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912416807] [2020-12-22 06:57:00,920 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:57:00,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:00,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:57:00,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:57:00,943 INFO L87 Difference]: Start difference. First operand 225 states. Second operand 2 states. [2020-12-22 06:57:00,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:01,000 INFO L93 Difference]: Finished difference Result 444 states and 665 transitions. [2020-12-22 06:57:01,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:57:01,001 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-22 06:57:01,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:01,031 INFO L225 Difference]: With dead ends: 444 [2020-12-22 06:57:01,031 INFO L226 Difference]: Without dead ends: 221 [2020-12-22 06:57:01,041 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:57:01,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-12-22 06:57:01,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2020-12-22 06:57:01,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2020-12-22 06:57:01,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 324 transitions. [2020-12-22 06:57:01,112 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 324 transitions. Word has length 16 [2020-12-22 06:57:01,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:01,112 INFO L481 AbstractCegarLoop]: Abstraction has 221 states and 324 transitions. [2020-12-22 06:57:01,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:57:01,112 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 324 transitions. [2020-12-22 06:57:01,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 06:57:01,114 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:01,114 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:01,114 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:57:01,115 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:01,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:01,115 INFO L82 PathProgramCache]: Analyzing trace with hash -1936571950, now seen corresponding path program 1 times [2020-12-22 06:57:01,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:01,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408022960] [2020-12-22 06:57:01,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:01,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:01,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408022960] [2020-12-22 06:57:01,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:01,246 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:57:01,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889370922] [2020-12-22 06:57:01,248 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:01,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:01,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:01,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:01,250 INFO L87 Difference]: Start difference. First operand 221 states and 324 transitions. Second operand 3 states. [2020-12-22 06:57:01,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:01,269 INFO L93 Difference]: Finished difference Result 221 states and 324 transitions. [2020-12-22 06:57:01,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:01,270 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-22 06:57:01,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:01,271 INFO L225 Difference]: With dead ends: 221 [2020-12-22 06:57:01,271 INFO L226 Difference]: Without dead ends: 83 [2020-12-22 06:57:01,273 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:01,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-12-22 06:57:01,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2020-12-22 06:57:01,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-12-22 06:57:01,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 121 transitions. [2020-12-22 06:57:01,288 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 121 transitions. Word has length 17 [2020-12-22 06:57:01,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:01,289 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 121 transitions. [2020-12-22 06:57:01,289 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:01,289 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 121 transitions. [2020-12-22 06:57:01,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-22 06:57:01,290 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:01,290 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:01,290 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:57:01,291 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:01,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:01,295 INFO L82 PathProgramCache]: Analyzing trace with hash 810617826, now seen corresponding path program 1 times [2020-12-22 06:57:01,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:01,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280103830] [2020-12-22 06:57:01,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:01,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:01,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:01,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280103830] [2020-12-22 06:57:01,430 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:01,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:57:01,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519788092] [2020-12-22 06:57:01,431 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:01,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:01,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:01,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:01,436 INFO L87 Difference]: Start difference. First operand 83 states and 121 transitions. Second operand 3 states. [2020-12-22 06:57:01,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:01,480 INFO L93 Difference]: Finished difference Result 160 states and 236 transitions. [2020-12-22 06:57:01,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:01,482 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-12-22 06:57:01,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:01,483 INFO L225 Difference]: With dead ends: 160 [2020-12-22 06:57:01,483 INFO L226 Difference]: Without dead ends: 83 [2020-12-22 06:57:01,489 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:01,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-12-22 06:57:01,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2020-12-22 06:57:01,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-12-22 06:57:01,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 120 transitions. [2020-12-22 06:57:01,504 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 120 transitions. Word has length 22 [2020-12-22 06:57:01,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:01,505 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 120 transitions. [2020-12-22 06:57:01,505 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:01,505 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 120 transitions. [2020-12-22 06:57:01,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 06:57:01,509 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:01,509 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:01,509 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:57:01,510 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:01,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:01,511 INFO L82 PathProgramCache]: Analyzing trace with hash 442460312, now seen corresponding path program 1 times [2020-12-22 06:57:01,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:01,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941049140] [2020-12-22 06:57:01,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:01,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:01,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:01,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941049140] [2020-12-22 06:57:01,623 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:01,624 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:01,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757835396] [2020-12-22 06:57:01,625 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:01,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:01,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:01,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:01,629 INFO L87 Difference]: Start difference. First operand 83 states and 120 transitions. Second operand 3 states. [2020-12-22 06:57:01,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:01,698 INFO L93 Difference]: Finished difference Result 166 states and 242 transitions. [2020-12-22 06:57:01,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:01,699 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-12-22 06:57:01,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:01,702 INFO L225 Difference]: With dead ends: 166 [2020-12-22 06:57:01,702 INFO L226 Difference]: Without dead ends: 89 [2020-12-22 06:57:01,706 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:01,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-12-22 06:57:01,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2020-12-22 06:57:01,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-12-22 06:57:01,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 122 transitions. [2020-12-22 06:57:01,721 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 122 transitions. Word has length 25 [2020-12-22 06:57:01,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:01,721 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 122 transitions. [2020-12-22 06:57:01,721 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:01,722 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 122 transitions. [2020-12-22 06:57:01,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-22 06:57:01,727 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:01,728 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] [2020-12-22 06:57:01,728 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:57:01,728 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:01,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:01,729 INFO L82 PathProgramCache]: Analyzing trace with hash -1878336052, now seen corresponding path program 1 times [2020-12-22 06:57:01,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:01,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115290655] [2020-12-22 06:57:01,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:01,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:01,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:01,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115290655] [2020-12-22 06:57:01,903 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:01,903 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:57:01,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684130131] [2020-12-22 06:57:01,904 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 06:57:01,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:01,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 06:57:01,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:57:01,907 INFO L87 Difference]: Start difference. First operand 87 states and 122 transitions. Second operand 7 states. [2020-12-22 06:57:02,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:02,205 INFO L93 Difference]: Finished difference Result 568 states and 818 transitions. [2020-12-22 06:57:02,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 06:57:02,205 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2020-12-22 06:57:02,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:02,210 INFO L225 Difference]: With dead ends: 568 [2020-12-22 06:57:02,210 INFO L226 Difference]: Without dead ends: 487 [2020-12-22 06:57:02,211 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-12-22 06:57:02,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2020-12-22 06:57:02,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 204. [2020-12-22 06:57:02,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-12-22 06:57:02,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 283 transitions. [2020-12-22 06:57:02,245 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 283 transitions. Word has length 31 [2020-12-22 06:57:02,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:02,246 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 283 transitions. [2020-12-22 06:57:02,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 06:57:02,246 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 283 transitions. [2020-12-22 06:57:02,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-22 06:57:02,248 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:02,248 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:02,248 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:57:02,249 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:02,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:02,249 INFO L82 PathProgramCache]: Analyzing trace with hash 46891967, now seen corresponding path program 1 times [2020-12-22 06:57:02,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:02,250 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328649700] [2020-12-22 06:57:02,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:02,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:02,315 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 06:57:02,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328649700] [2020-12-22 06:57:02,316 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:02,316 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:02,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934682892] [2020-12-22 06:57:02,317 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:02,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:02,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:02,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:02,318 INFO L87 Difference]: Start difference. First operand 204 states and 283 transitions. Second operand 5 states. [2020-12-22 06:57:02,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:02,409 INFO L93 Difference]: Finished difference Result 540 states and 739 transitions. [2020-12-22 06:57:02,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:57:02,410 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-12-22 06:57:02,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:02,412 INFO L225 Difference]: With dead ends: 540 [2020-12-22 06:57:02,413 INFO L226 Difference]: Without dead ends: 342 [2020-12-22 06:57:02,414 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:57:02,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-12-22 06:57:02,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 225. [2020-12-22 06:57:02,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-12-22 06:57:02,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 304 transitions. [2020-12-22 06:57:02,449 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 304 transitions. Word has length 52 [2020-12-22 06:57:02,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:02,449 INFO L481 AbstractCegarLoop]: Abstraction has 225 states and 304 transitions. [2020-12-22 06:57:02,449 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:02,449 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 304 transitions. [2020-12-22 06:57:02,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-22 06:57:02,451 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:02,451 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:02,452 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:57:02,452 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:02,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:02,452 INFO L82 PathProgramCache]: Analyzing trace with hash 748491841, now seen corresponding path program 1 times [2020-12-22 06:57:02,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:02,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990773301] [2020-12-22 06:57:02,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:02,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:02,552 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 06:57:02,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990773301] [2020-12-22 06:57:02,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:02,555 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:02,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374519262] [2020-12-22 06:57:02,556 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:02,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:02,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:02,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:02,557 INFO L87 Difference]: Start difference. First operand 225 states and 304 transitions. Second operand 5 states. [2020-12-22 06:57:02,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:02,666 INFO L93 Difference]: Finished difference Result 506 states and 680 transitions. [2020-12-22 06:57:02,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:57:02,666 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-12-22 06:57:02,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:02,668 INFO L225 Difference]: With dead ends: 506 [2020-12-22 06:57:02,669 INFO L226 Difference]: Without dead ends: 287 [2020-12-22 06:57:02,669 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:57:02,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-12-22 06:57:02,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 191. [2020-12-22 06:57:02,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2020-12-22 06:57:02,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 252 transitions. [2020-12-22 06:57:02,688 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 252 transitions. Word has length 52 [2020-12-22 06:57:02,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:02,689 INFO L481 AbstractCegarLoop]: Abstraction has 191 states and 252 transitions. [2020-12-22 06:57:02,689 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:02,689 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 252 transitions. [2020-12-22 06:57:02,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-22 06:57:02,690 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:02,691 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:02,691 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:57:02,691 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:02,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:02,692 INFO L82 PathProgramCache]: Analyzing trace with hash -1947303487, now seen corresponding path program 1 times [2020-12-22 06:57:02,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:02,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025448424] [2020-12-22 06:57:02,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:02,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:02,770 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 06:57:02,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025448424] [2020-12-22 06:57:02,771 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:02,771 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:02,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246831891] [2020-12-22 06:57:02,772 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:57:02,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:02,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:57:02,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:57:02,773 INFO L87 Difference]: Start difference. First operand 191 states and 252 transitions. Second operand 6 states. [2020-12-22 06:57:02,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:02,968 INFO L93 Difference]: Finished difference Result 871 states and 1182 transitions. [2020-12-22 06:57:02,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 06:57:02,969 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2020-12-22 06:57:02,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:02,974 INFO L225 Difference]: With dead ends: 871 [2020-12-22 06:57:02,974 INFO L226 Difference]: Without dead ends: 686 [2020-12-22 06:57:02,975 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2020-12-22 06:57:02,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2020-12-22 06:57:03,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 374. [2020-12-22 06:57:03,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2020-12-22 06:57:03,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 490 transitions. [2020-12-22 06:57:03,019 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 490 transitions. Word has length 53 [2020-12-22 06:57:03,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:03,021 INFO L481 AbstractCegarLoop]: Abstraction has 374 states and 490 transitions. [2020-12-22 06:57:03,022 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:57:03,022 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 490 transitions. [2020-12-22 06:57:03,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-22 06:57:03,023 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:03,023 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:03,023 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:57:03,023 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:03,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:03,024 INFO L82 PathProgramCache]: Analyzing trace with hash -1332214153, now seen corresponding path program 1 times [2020-12-22 06:57:03,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:03,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358668548] [2020-12-22 06:57:03,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:03,140 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 06:57:03,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358668548] [2020-12-22 06:57:03,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:03,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:03,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328230004] [2020-12-22 06:57:03,147 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:03,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:03,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:03,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:03,150 INFO L87 Difference]: Start difference. First operand 374 states and 490 transitions. Second operand 5 states. [2020-12-22 06:57:03,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:03,353 INFO L93 Difference]: Finished difference Result 1022 states and 1347 transitions. [2020-12-22 06:57:03,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:57:03,353 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-12-22 06:57:03,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:03,360 INFO L225 Difference]: With dead ends: 1022 [2020-12-22 06:57:03,360 INFO L226 Difference]: Without dead ends: 1020 [2020-12-22 06:57:03,361 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:57:03,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2020-12-22 06:57:03,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 374. [2020-12-22 06:57:03,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2020-12-22 06:57:03,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 488 transitions. [2020-12-22 06:57:03,409 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 488 transitions. Word has length 54 [2020-12-22 06:57:03,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:03,414 INFO L481 AbstractCegarLoop]: Abstraction has 374 states and 488 transitions. [2020-12-22 06:57:03,414 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:03,414 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 488 transitions. [2020-12-22 06:57:03,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-22 06:57:03,415 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:03,415 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:03,416 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:57:03,416 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:03,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:03,416 INFO L82 PathProgramCache]: Analyzing trace with hash -1553978118, now seen corresponding path program 1 times [2020-12-22 06:57:03,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:03,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90913290] [2020-12-22 06:57:03,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:03,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:03,532 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:03,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90913290] [2020-12-22 06:57:03,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [79986551] [2020-12-22 06:57:03,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:57:03,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:03,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-22 06:57:03,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:57:03,932 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:03,933 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:57:03,933 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2020-12-22 06:57:03,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101926019] [2020-12-22 06:57:03,934 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:57:03,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:03,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:57:03,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:57:03,935 INFO L87 Difference]: Start difference. First operand 374 states and 488 transitions. Second operand 6 states. [2020-12-22 06:57:04,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:04,257 INFO L93 Difference]: Finished difference Result 1114 states and 1467 transitions. [2020-12-22 06:57:04,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:57:04,258 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2020-12-22 06:57:04,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:04,262 INFO L225 Difference]: With dead ends: 1114 [2020-12-22 06:57:04,262 INFO L226 Difference]: Without dead ends: 796 [2020-12-22 06:57:04,263 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-12-22 06:57:04,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2020-12-22 06:57:04,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 468. [2020-12-22 06:57:04,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2020-12-22 06:57:04,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 604 transitions. [2020-12-22 06:57:04,319 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 604 transitions. Word has length 60 [2020-12-22 06:57:04,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:04,319 INFO L481 AbstractCegarLoop]: Abstraction has 468 states and 604 transitions. [2020-12-22 06:57:04,320 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:57:04,320 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 604 transitions. [2020-12-22 06:57:04,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-22 06:57:04,321 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:04,322 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:04,536 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-22 06:57:04,537 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:04,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:04,538 INFO L82 PathProgramCache]: Analyzing trace with hash -1156162525, now seen corresponding path program 2 times [2020-12-22 06:57:04,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:04,538 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249142731] [2020-12-22 06:57:04,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:04,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:04,715 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-22 06:57:04,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249142731] [2020-12-22 06:57:04,715 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:04,716 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:04,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583129140] [2020-12-22 06:57:04,716 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:04,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:04,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:04,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:04,718 INFO L87 Difference]: Start difference. First operand 468 states and 604 transitions. Second operand 5 states. [2020-12-22 06:57:05,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:05,220 INFO L93 Difference]: Finished difference Result 1418 states and 1848 transitions. [2020-12-22 06:57:05,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:57:05,221 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 85 [2020-12-22 06:57:05,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:05,226 INFO L225 Difference]: With dead ends: 1418 [2020-12-22 06:57:05,226 INFO L226 Difference]: Without dead ends: 1004 [2020-12-22 06:57:05,228 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:57:05,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1004 states. [2020-12-22 06:57:05,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1004 to 644. [2020-12-22 06:57:05,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 644 states. [2020-12-22 06:57:05,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 823 transitions. [2020-12-22 06:57:05,311 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 823 transitions. Word has length 85 [2020-12-22 06:57:05,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:05,312 INFO L481 AbstractCegarLoop]: Abstraction has 644 states and 823 transitions. [2020-12-22 06:57:05,312 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:05,312 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 823 transitions. [2020-12-22 06:57:05,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-22 06:57:05,313 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:05,314 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:05,314 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 06:57:05,314 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:05,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:05,315 INFO L82 PathProgramCache]: Analyzing trace with hash -1550529311, now seen corresponding path program 1 times [2020-12-22 06:57:05,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:05,315 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789369584] [2020-12-22 06:57:05,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:05,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:05,392 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-22 06:57:05,392 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789369584] [2020-12-22 06:57:05,392 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590324460] [2020-12-22 06:57:05,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:57:05,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:05,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-22 06:57:05,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:57:05,729 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-22 06:57:05,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 06:57:05,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2020-12-22 06:57:05,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324248329] [2020-12-22 06:57:05,730 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:05,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:05,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:05,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:57:05,732 INFO L87 Difference]: Start difference. First operand 644 states and 823 transitions. Second operand 5 states. [2020-12-22 06:57:05,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:05,855 INFO L93 Difference]: Finished difference Result 1176 states and 1496 transitions. [2020-12-22 06:57:05,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:57:05,855 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 85 [2020-12-22 06:57:05,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:05,856 INFO L225 Difference]: With dead ends: 1176 [2020-12-22 06:57:05,856 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:57:05,858 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-12-22 06:57:05,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:57:05,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:57:05,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:57:05,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:57:05,859 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2020-12-22 06:57:05,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:05,859 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:57:05,859 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:05,859 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:57:05,859 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:57:06,072 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-12-22 06:57:06,076 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:57:06,327 WARN L197 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 106 [2020-12-22 06:57:06,805 WARN L197 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 154 [2020-12-22 06:57:07,261 WARN L197 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 160 [2020-12-22 06:57:07,882 WARN L197 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 162 [2020-12-22 06:57:08,339 WARN L197 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 157 [2020-12-22 06:57:08,548 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 80 [2020-12-22 06:57:08,917 WARN L197 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 162 [2020-12-22 06:57:09,100 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 139 [2020-12-22 06:57:09,551 WARN L197 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 19 [2020-12-22 06:57:10,561 WARN L197 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 24 [2020-12-22 06:57:10,670 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 12 [2020-12-22 06:57:11,607 WARN L197 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 17 [2020-12-22 06:57:12,646 WARN L197 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 17 [2020-12-22 06:57:12,921 WARN L197 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 19 [2020-12-22 06:57:13,698 WARN L197 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 9 [2020-12-22 06:57:14,071 WARN L197 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 27 [2020-12-22 06:57:14,307 WARN L197 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 25 [2020-12-22 06:57:15,228 WARN L197 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 17 [2020-12-22 06:57:15,343 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 19 [2020-12-22 06:57:15,882 WARN L197 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 25 [2020-12-22 06:57:15,889 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:57:15,890 INFO L185 CegarLoopUtils]: At program point L433(lines 1 1009) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:15,890 INFO L185 CegarLoopUtils]: At program point L368(lines 353 371) the Hoare annotation is: (and (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) (= ULTIMATE.start_processEnvironment_~tmp~3 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~2) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|)) [2020-12-22 06:57:15,890 INFO L185 CegarLoopUtils]: At program point L368-1(lines 353 371) the Hoare annotation is: false [2020-12-22 06:57:15,891 INFO L185 CegarLoopUtils]: At program point L368-2(lines 353 371) the Hoare annotation is: false [2020-12-22 06:57:15,891 INFO L185 CegarLoopUtils]: At program point L368-3(lines 353 371) the Hoare annotation is: false [2020-12-22 06:57:15,891 INFO L185 CegarLoopUtils]: At program point L368-4(lines 353 371) the Hoare annotation is: false [2020-12-22 06:57:15,892 INFO L185 CegarLoopUtils]: At program point L368-5(lines 353 371) the Hoare annotation is: false [2020-12-22 06:57:15,892 INFO L189 CegarLoopUtils]: For program point L104(lines 104 108) no Hoare annotation was computed. [2020-12-22 06:57:15,892 INFO L185 CegarLoopUtils]: At program point L104-2(lines 140 146) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 ~systemActive~0) .cse0 (= ~pumpRunning~0 0) .cse1) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2020-12-22 06:57:15,892 INFO L189 CegarLoopUtils]: For program point L172(lines 172 189) no Hoare annotation was computed. [2020-12-22 06:57:15,893 INFO L189 CegarLoopUtils]: For program point L172-1(lines 172 189) no Hoare annotation was computed. [2020-12-22 06:57:15,893 INFO L189 CegarLoopUtils]: For program point L172-2(lines 172 189) no Hoare annotation was computed. [2020-12-22 06:57:15,893 INFO L189 CegarLoopUtils]: For program point L172-3(lines 172 189) no Hoare annotation was computed. [2020-12-22 06:57:15,893 INFO L189 CegarLoopUtils]: For program point L172-4(lines 172 189) no Hoare annotation was computed. [2020-12-22 06:57:15,893 INFO L189 CegarLoopUtils]: For program point L172-5(lines 172 189) no Hoare annotation was computed. [2020-12-22 06:57:15,893 INFO L189 CegarLoopUtils]: For program point L172-6(lines 172 189) no Hoare annotation was computed. [2020-12-22 06:57:15,893 INFO L189 CegarLoopUtils]: For program point L172-7(lines 172 189) no Hoare annotation was computed. [2020-12-22 06:57:15,894 INFO L189 CegarLoopUtils]: For program point L172-8(lines 172 189) no Hoare annotation was computed. [2020-12-22 06:57:15,894 INFO L189 CegarLoopUtils]: For program point L172-9(lines 172 189) no Hoare annotation was computed. [2020-12-22 06:57:15,894 INFO L189 CegarLoopUtils]: For program point L172-10(lines 172 189) no Hoare annotation was computed. [2020-12-22 06:57:15,894 INFO L189 CegarLoopUtils]: For program point L172-11(lines 172 189) no Hoare annotation was computed. [2020-12-22 06:57:15,894 INFO L185 CegarLoopUtils]: At program point L505(lines 501 507) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:15,894 INFO L189 CegarLoopUtils]: For program point L176(lines 176 184) no Hoare annotation was computed. [2020-12-22 06:57:15,895 INFO L189 CegarLoopUtils]: For program point L176-1(lines 176 184) no Hoare annotation was computed. [2020-12-22 06:57:15,895 INFO L189 CegarLoopUtils]: For program point L176-2(lines 176 184) no Hoare annotation was computed. [2020-12-22 06:57:15,895 INFO L189 CegarLoopUtils]: For program point L176-3(lines 176 184) no Hoare annotation was computed. [2020-12-22 06:57:15,895 INFO L189 CegarLoopUtils]: For program point L176-4(lines 176 184) no Hoare annotation was computed. [2020-12-22 06:57:15,895 INFO L189 CegarLoopUtils]: For program point L176-5(lines 176 184) no Hoare annotation was computed. [2020-12-22 06:57:15,895 INFO L189 CegarLoopUtils]: For program point L176-6(lines 176 184) no Hoare annotation was computed. [2020-12-22 06:57:15,895 INFO L189 CegarLoopUtils]: For program point L176-7(lines 176 184) no Hoare annotation was computed. [2020-12-22 06:57:15,896 INFO L189 CegarLoopUtils]: For program point L176-8(lines 176 184) no Hoare annotation was computed. [2020-12-22 06:57:15,896 INFO L189 CegarLoopUtils]: For program point L176-9(lines 176 184) no Hoare annotation was computed. [2020-12-22 06:57:15,896 INFO L189 CegarLoopUtils]: For program point L176-10(lines 176 184) no Hoare annotation was computed. [2020-12-22 06:57:15,896 INFO L189 CegarLoopUtils]: For program point L176-11(lines 176 184) no Hoare annotation was computed. [2020-12-22 06:57:15,896 INFO L185 CegarLoopUtils]: At program point L441(lines 436 444) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:15,896 INFO L189 CegarLoopUtils]: For program point L46(line 46) no Hoare annotation was computed. [2020-12-22 06:57:15,896 INFO L189 CegarLoopUtils]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-12-22 06:57:15,897 INFO L189 CegarLoopUtils]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-12-22 06:57:15,897 INFO L185 CegarLoopUtils]: At program point L114(lines 65 115) the Hoare annotation is: false [2020-12-22 06:57:15,897 INFO L189 CegarLoopUtils]: For program point L914(lines 914 918) no Hoare annotation was computed. [2020-12-22 06:57:15,897 INFO L189 CegarLoopUtils]: For program point L914-3(lines 914 918) no Hoare annotation was computed. [2020-12-22 06:57:15,897 INFO L189 CegarLoopUtils]: For program point L914-6(lines 914 918) no Hoare annotation was computed. [2020-12-22 06:57:15,897 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:57:15,897 INFO L185 CegarLoopUtils]: At program point L983(lines 978 986) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2))) [2020-12-22 06:57:15,898 INFO L185 CegarLoopUtils]: At program point L983-1(lines 978 986) the Hoare annotation is: false [2020-12-22 06:57:15,898 INFO L185 CegarLoopUtils]: At program point L983-2(lines 978 986) the Hoare annotation is: false [2020-12-22 06:57:15,898 INFO L189 CegarLoopUtils]: For program point L390(lines 390 403) no Hoare annotation was computed. [2020-12-22 06:57:15,898 INFO L185 CegarLoopUtils]: At program point L390-1(lines 1 1009) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 |ULTIMATE.start_getWaterLevel_#res|))) (or (and (= ~waterLevel~0 ~systemActive~0) .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2) (and .cse0 .cse3 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse4) (and .cse0 .cse3 (<= 2 ~waterLevel~0) .cse2 .cse4))) [2020-12-22 06:57:15,898 INFO L189 CegarLoopUtils]: For program point L390-2(lines 390 403) no Hoare annotation was computed. [2020-12-22 06:57:15,898 INFO L185 CegarLoopUtils]: At program point L390-3(lines 1 1009) the Hoare annotation is: false [2020-12-22 06:57:15,898 INFO L189 CegarLoopUtils]: For program point L390-4(lines 390 403) no Hoare annotation was computed. [2020-12-22 06:57:15,899 INFO L185 CegarLoopUtils]: At program point L390-5(lines 1 1009) the Hoare annotation is: false [2020-12-22 06:57:15,899 INFO L185 CegarLoopUtils]: At program point L457-2(lines 457 471) the Hoare annotation is: false [2020-12-22 06:57:15,899 INFO L189 CegarLoopUtils]: For program point L458(line 458) no Hoare annotation was computed. [2020-12-22 06:57:15,899 INFO L189 CegarLoopUtils]: For program point L260(lines 260 266) no Hoare annotation was computed. [2020-12-22 06:57:15,899 INFO L189 CegarLoopUtils]: For program point L260-2(lines 260 266) no Hoare annotation was computed. [2020-12-22 06:57:15,899 INFO L189 CegarLoopUtils]: For program point L260-4(lines 260 266) no Hoare annotation was computed. [2020-12-22 06:57:15,899 INFO L189 CegarLoopUtils]: For program point L260-6(lines 260 266) no Hoare annotation was computed. [2020-12-22 06:57:15,899 INFO L189 CegarLoopUtils]: For program point L260-8(lines 260 266) no Hoare annotation was computed. [2020-12-22 06:57:15,900 INFO L189 CegarLoopUtils]: For program point L260-10(lines 260 266) no Hoare annotation was computed. [2020-12-22 06:57:15,900 INFO L189 CegarLoopUtils]: For program point L260-12(lines 260 266) no Hoare annotation was computed. [2020-12-22 06:57:15,900 INFO L189 CegarLoopUtils]: For program point L260-14(lines 260 266) no Hoare annotation was computed. [2020-12-22 06:57:15,900 INFO L189 CegarLoopUtils]: For program point L260-16(lines 260 266) no Hoare annotation was computed. [2020-12-22 06:57:15,900 INFO L189 CegarLoopUtils]: For program point L260-18(lines 260 266) no Hoare annotation was computed. [2020-12-22 06:57:15,900 INFO L189 CegarLoopUtils]: For program point L260-20(lines 260 266) no Hoare annotation was computed. [2020-12-22 06:57:15,900 INFO L189 CegarLoopUtils]: For program point L260-22(lines 260 266) no Hoare annotation was computed. [2020-12-22 06:57:15,901 INFO L189 CegarLoopUtils]: For program point L394(lines 394 400) no Hoare annotation was computed. [2020-12-22 06:57:15,901 INFO L189 CegarLoopUtils]: For program point L394-2(lines 394 400) no Hoare annotation was computed. [2020-12-22 06:57:15,903 INFO L189 CegarLoopUtils]: For program point L394-4(lines 394 400) no Hoare annotation was computed. [2020-12-22 06:57:15,903 INFO L189 CegarLoopUtils]: For program point L461(lines 461 465) no Hoare annotation was computed. [2020-12-22 06:57:15,904 INFO L189 CegarLoopUtils]: For program point L461-1(lines 140 146) no Hoare annotation was computed. [2020-12-22 06:57:15,904 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:57:15,904 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:57:15,904 INFO L189 CegarLoopUtils]: For program point L528(lines 528 535) no Hoare annotation was computed. [2020-12-22 06:57:15,904 INFO L192 CegarLoopUtils]: At program point L528-1(lines 528 535) the Hoare annotation is: true [2020-12-22 06:57:15,904 INFO L189 CegarLoopUtils]: For program point L198(lines 198 215) no Hoare annotation was computed. [2020-12-22 06:57:15,905 INFO L189 CegarLoopUtils]: For program point L198-1(lines 198 215) no Hoare annotation was computed. [2020-12-22 06:57:15,905 INFO L189 CegarLoopUtils]: For program point L198-2(lines 198 215) no Hoare annotation was computed. [2020-12-22 06:57:15,905 INFO L189 CegarLoopUtils]: For program point L198-3(lines 198 215) no Hoare annotation was computed. [2020-12-22 06:57:15,905 INFO L189 CegarLoopUtils]: For program point L198-4(lines 198 215) no Hoare annotation was computed. [2020-12-22 06:57:15,905 INFO L189 CegarLoopUtils]: For program point L198-5(lines 198 215) no Hoare annotation was computed. [2020-12-22 06:57:15,905 INFO L189 CegarLoopUtils]: For program point L991(lines 991 997) no Hoare annotation was computed. [2020-12-22 06:57:15,905 INFO L189 CegarLoopUtils]: For program point L991-1(lines 991 997) no Hoare annotation was computed. [2020-12-22 06:57:15,906 INFO L189 CegarLoopUtils]: For program point L991-2(lines 991 997) no Hoare annotation was computed. [2020-12-22 06:57:15,906 INFO L189 CegarLoopUtils]: For program point L991-3(lines 991 997) no Hoare annotation was computed. [2020-12-22 06:57:15,906 INFO L189 CegarLoopUtils]: For program point L991-4(lines 991 997) no Hoare annotation was computed. [2020-12-22 06:57:15,909 INFO L189 CegarLoopUtils]: For program point L991-5(lines 991 997) no Hoare annotation was computed. [2020-12-22 06:57:15,909 INFO L189 CegarLoopUtils]: For program point L991-6(lines 991 997) no Hoare annotation was computed. [2020-12-22 06:57:15,909 INFO L189 CegarLoopUtils]: For program point L991-7(lines 991 997) no Hoare annotation was computed. [2020-12-22 06:57:15,910 INFO L189 CegarLoopUtils]: For program point L991-8(lines 991 997) no Hoare annotation was computed. [2020-12-22 06:57:15,910 INFO L189 CegarLoopUtils]: For program point L991-9(lines 991 997) no Hoare annotation was computed. [2020-12-22 06:57:15,910 INFO L189 CegarLoopUtils]: For program point L991-10(lines 991 997) no Hoare annotation was computed. [2020-12-22 06:57:15,910 INFO L189 CegarLoopUtils]: For program point L991-11(lines 991 997) no Hoare annotation was computed. [2020-12-22 06:57:15,910 INFO L189 CegarLoopUtils]: For program point L67(lines 66 113) no Hoare annotation was computed. [2020-12-22 06:57:15,910 INFO L189 CegarLoopUtils]: For program point L926(lines 926 930) no Hoare annotation was computed. [2020-12-22 06:57:15,910 INFO L189 CegarLoopUtils]: For program point L68(lines 68 72) no Hoare annotation was computed. [2020-12-22 06:57:15,910 INFO L189 CegarLoopUtils]: For program point L202(lines 202 210) no Hoare annotation was computed. [2020-12-22 06:57:15,911 INFO L189 CegarLoopUtils]: For program point L202-1(lines 202 210) no Hoare annotation was computed. [2020-12-22 06:57:15,911 INFO L189 CegarLoopUtils]: For program point L202-2(lines 202 210) no Hoare annotation was computed. [2020-12-22 06:57:15,911 INFO L189 CegarLoopUtils]: For program point L202-3(lines 202 210) no Hoare annotation was computed. [2020-12-22 06:57:15,911 INFO L189 CegarLoopUtils]: For program point L202-4(lines 202 210) no Hoare annotation was computed. [2020-12-22 06:57:15,911 INFO L189 CegarLoopUtils]: For program point L202-5(lines 202 210) no Hoare annotation was computed. [2020-12-22 06:57:15,911 INFO L185 CegarLoopUtils]: At program point L996(lines 987 1000) the Hoare annotation is: false [2020-12-22 06:57:15,911 INFO L185 CegarLoopUtils]: At program point L996-1(lines 987 1000) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_processEnvironment_~tmp~3 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2020-12-22 06:57:15,912 INFO L185 CegarLoopUtils]: At program point L996-2(lines 987 1000) the Hoare annotation is: false [2020-12-22 06:57:15,912 INFO L185 CegarLoopUtils]: At program point L996-3(lines 987 1000) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2020-12-22 06:57:15,912 INFO L185 CegarLoopUtils]: At program point L996-4(lines 987 1000) the Hoare annotation is: false [2020-12-22 06:57:15,912 INFO L185 CegarLoopUtils]: At program point L996-5(lines 987 1000) the Hoare annotation is: false [2020-12-22 06:57:15,912 INFO L185 CegarLoopUtils]: At program point L996-6(lines 987 1000) the Hoare annotation is: false [2020-12-22 06:57:15,912 INFO L185 CegarLoopUtils]: At program point L996-7(lines 987 1000) the Hoare annotation is: false [2020-12-22 06:57:15,912 INFO L185 CegarLoopUtils]: At program point L996-8(lines 987 1000) the Hoare annotation is: false [2020-12-22 06:57:15,913 INFO L185 CegarLoopUtils]: At program point L996-9(lines 987 1000) the Hoare annotation is: false [2020-12-22 06:57:15,913 INFO L185 CegarLoopUtils]: At program point L996-10(lines 987 1000) the Hoare annotation is: false [2020-12-22 06:57:15,913 INFO L185 CegarLoopUtils]: At program point L996-11(lines 987 1000) the Hoare annotation is: false [2020-12-22 06:57:15,913 INFO L185 CegarLoopUtils]: At program point L140(lines 139 158) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-12-22 06:57:15,913 INFO L189 CegarLoopUtils]: For program point L140-1(lines 140 146) no Hoare annotation was computed. [2020-12-22 06:57:15,913 INFO L185 CegarLoopUtils]: At program point L140-2(lines 139 158) the Hoare annotation is: false [2020-12-22 06:57:15,913 INFO L185 CegarLoopUtils]: At program point L140-3(lines 139 158) the Hoare annotation is: false [2020-12-22 06:57:15,914 INFO L192 CegarLoopUtils]: At program point L537(lines 518 540) the Hoare annotation is: true [2020-12-22 06:57:15,914 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:57:15,914 INFO L189 CegarLoopUtils]: For program point L76(lines 76 82) no Hoare annotation was computed. [2020-12-22 06:57:15,914 INFO L185 CegarLoopUtils]: At program point L76-1(lines 76 82) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~waterLevel~0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse2) (and .cse0 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7) .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)))) [2020-12-22 06:57:15,914 INFO L189 CegarLoopUtils]: For program point L343(lines 343 347) no Hoare annotation was computed. [2020-12-22 06:57:15,915 INFO L189 CegarLoopUtils]: For program point L343-2(lines 343 347) no Hoare annotation was computed. [2020-12-22 06:57:15,915 INFO L189 CegarLoopUtils]: For program point L343-3(lines 343 347) no Hoare annotation was computed. [2020-12-22 06:57:15,915 INFO L189 CegarLoopUtils]: For program point L343-5(lines 343 347) no Hoare annotation was computed. [2020-12-22 06:57:15,915 INFO L189 CegarLoopUtils]: For program point L343-6(lines 343 347) no Hoare annotation was computed. [2020-12-22 06:57:15,915 INFO L189 CegarLoopUtils]: For program point L343-8(lines 343 347) no Hoare annotation was computed. [2020-12-22 06:57:15,915 INFO L189 CegarLoopUtils]: For program point L343-9(lines 343 347) no Hoare annotation was computed. [2020-12-22 06:57:15,915 INFO L189 CegarLoopUtils]: For program point L343-11(lines 343 347) no Hoare annotation was computed. [2020-12-22 06:57:15,915 INFO L189 CegarLoopUtils]: For program point L343-12(lines 343 347) no Hoare annotation was computed. [2020-12-22 06:57:15,916 INFO L189 CegarLoopUtils]: For program point L938(lines 938 942) no Hoare annotation was computed. [2020-12-22 06:57:15,916 INFO L189 CegarLoopUtils]: For program point L343-14(lines 343 347) no Hoare annotation was computed. [2020-12-22 06:57:15,916 INFO L189 CegarLoopUtils]: For program point L343-15(lines 343 347) no Hoare annotation was computed. [2020-12-22 06:57:15,916 INFO L189 CegarLoopUtils]: For program point L343-17(lines 343 347) no Hoare annotation was computed. [2020-12-22 06:57:15,916 INFO L189 CegarLoopUtils]: For program point L343-18(lines 343 347) no Hoare annotation was computed. [2020-12-22 06:57:15,916 INFO L189 CegarLoopUtils]: For program point L343-20(lines 343 347) no Hoare annotation was computed. [2020-12-22 06:57:15,916 INFO L189 CegarLoopUtils]: For program point L343-21(lines 343 347) no Hoare annotation was computed. [2020-12-22 06:57:15,916 INFO L189 CegarLoopUtils]: For program point L343-23(lines 343 347) no Hoare annotation was computed. [2020-12-22 06:57:15,917 INFO L189 CegarLoopUtils]: For program point L343-24(lines 343 347) no Hoare annotation was computed. [2020-12-22 06:57:15,917 INFO L189 CegarLoopUtils]: For program point L343-26(lines 343 347) no Hoare annotation was computed. [2020-12-22 06:57:15,917 INFO L189 CegarLoopUtils]: For program point L343-27(lines 343 347) no Hoare annotation was computed. [2020-12-22 06:57:15,917 INFO L189 CegarLoopUtils]: For program point L343-29(lines 343 347) no Hoare annotation was computed. [2020-12-22 06:57:15,917 INFO L189 CegarLoopUtils]: For program point L343-30(lines 343 347) no Hoare annotation was computed. [2020-12-22 06:57:15,917 INFO L189 CegarLoopUtils]: For program point L343-32(lines 343 347) no Hoare annotation was computed. [2020-12-22 06:57:15,917 INFO L189 CegarLoopUtils]: For program point L343-33(lines 343 347) no Hoare annotation was computed. [2020-12-22 06:57:15,917 INFO L189 CegarLoopUtils]: For program point L343-35(lines 343 347) no Hoare annotation was computed. [2020-12-22 06:57:15,918 INFO L185 CegarLoopUtils]: At program point L147(lines 147 153) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0)))) [2020-12-22 06:57:15,918 INFO L185 CegarLoopUtils]: At program point L147-1(lines 147 153) the Hoare annotation is: false [2020-12-22 06:57:15,918 INFO L185 CegarLoopUtils]: At program point L147-2(lines 147 153) the Hoare annotation is: false [2020-12-22 06:57:15,918 INFO L185 CegarLoopUtils]: At program point L1006(lines 1001 1009) the Hoare annotation is: (and (= ULTIMATE.start_processEnvironment_~tmp~3 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-12-22 06:57:15,918 INFO L185 CegarLoopUtils]: At program point L1006-1(lines 1001 1009) the Hoare annotation is: false [2020-12-22 06:57:15,918 INFO L185 CegarLoopUtils]: At program point L1006-2(lines 1001 1009) the Hoare annotation is: false [2020-12-22 06:57:15,918 INFO L185 CegarLoopUtils]: At program point L1006-3(lines 1001 1009) the Hoare annotation is: false [2020-12-22 06:57:15,919 INFO L185 CegarLoopUtils]: At program point L1006-4(lines 1001 1009) the Hoare annotation is: false [2020-12-22 06:57:15,919 INFO L185 CegarLoopUtils]: At program point L1006-5(lines 1001 1009) the Hoare annotation is: false [2020-12-22 06:57:15,919 INFO L185 CegarLoopUtils]: At program point L349(lines 334 352) the Hoare annotation is: false [2020-12-22 06:57:15,919 INFO L185 CegarLoopUtils]: At program point L349-1(lines 334 352) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_processEnvironment_~tmp~3 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (not (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0)) .cse0 .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2020-12-22 06:57:15,919 INFO L185 CegarLoopUtils]: At program point L349-2(lines 334 352) the Hoare annotation is: false [2020-12-22 06:57:15,919 INFO L185 CegarLoopUtils]: At program point L349-3(lines 334 352) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (not (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0)) .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2 (<= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2020-12-22 06:57:15,920 INFO L185 CegarLoopUtils]: At program point L349-4(lines 334 352) the Hoare annotation is: false [2020-12-22 06:57:15,920 INFO L185 CegarLoopUtils]: At program point L349-5(lines 334 352) the Hoare annotation is: false [2020-12-22 06:57:15,920 INFO L185 CegarLoopUtils]: At program point L349-6(lines 334 352) the Hoare annotation is: false [2020-12-22 06:57:15,920 INFO L185 CegarLoopUtils]: At program point L349-7(lines 334 352) the Hoare annotation is: false [2020-12-22 06:57:15,920 INFO L185 CegarLoopUtils]: At program point L349-8(lines 334 352) the Hoare annotation is: false [2020-12-22 06:57:15,920 INFO L185 CegarLoopUtils]: At program point L349-9(lines 334 352) the Hoare annotation is: false [2020-12-22 06:57:15,920 INFO L185 CegarLoopUtils]: At program point L349-10(lines 334 352) the Hoare annotation is: false [2020-12-22 06:57:15,920 INFO L185 CegarLoopUtils]: At program point L349-11(lines 334 352) the Hoare annotation is: false [2020-12-22 06:57:15,921 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:57:15,921 INFO L189 CegarLoopUtils]: For program point L86(lines 86 92) no Hoare annotation was computed. [2020-12-22 06:57:15,921 INFO L185 CegarLoopUtils]: At program point L86-1(lines 86 92) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 ~systemActive~0) .cse0 (= ~pumpRunning~0 0) .cse1) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2020-12-22 06:57:15,921 INFO L185 CegarLoopUtils]: At program point L285(lines 278 288) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:57:15,921 INFO L185 CegarLoopUtils]: At program point L285-1(lines 278 288) the Hoare annotation is: false [2020-12-22 06:57:15,921 INFO L185 CegarLoopUtils]: At program point L285-2(lines 278 288) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_processEnvironment_~tmp~3 0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:57:15,922 INFO L185 CegarLoopUtils]: At program point L285-3(lines 278 288) the Hoare annotation is: false [2020-12-22 06:57:15,922 INFO L185 CegarLoopUtils]: At program point L285-4(lines 278 288) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:57:15,922 INFO L185 CegarLoopUtils]: At program point L285-5(lines 278 288) the Hoare annotation is: false [2020-12-22 06:57:15,922 INFO L185 CegarLoopUtils]: At program point L285-6(lines 278 288) the Hoare annotation is: false [2020-12-22 06:57:15,922 INFO L185 CegarLoopUtils]: At program point L285-7(lines 278 288) the Hoare annotation is: false [2020-12-22 06:57:15,922 INFO L185 CegarLoopUtils]: At program point L285-8(lines 278 288) the Hoare annotation is: false [2020-12-22 06:57:15,922 INFO L185 CegarLoopUtils]: At program point L285-9(lines 278 288) the Hoare annotation is: false [2020-12-22 06:57:15,922 INFO L185 CegarLoopUtils]: At program point L285-10(lines 278 288) the Hoare annotation is: false [2020-12-22 06:57:15,923 INFO L185 CegarLoopUtils]: At program point L285-11(lines 278 288) the Hoare annotation is: false [2020-12-22 06:57:15,923 INFO L185 CegarLoopUtils]: At program point L285-12(lines 278 288) the Hoare annotation is: false [2020-12-22 06:57:15,923 INFO L185 CegarLoopUtils]: At program point L285-13(lines 278 288) the Hoare annotation is: false [2020-12-22 06:57:15,923 INFO L185 CegarLoopUtils]: At program point L285-14(lines 278 288) the Hoare annotation is: false [2020-12-22 06:57:15,923 INFO L189 CegarLoopUtils]: For program point L224(lines 224 241) no Hoare annotation was computed. [2020-12-22 06:57:15,923 INFO L189 CegarLoopUtils]: For program point L224-1(lines 224 241) no Hoare annotation was computed. [2020-12-22 06:57:15,923 INFO L189 CegarLoopUtils]: For program point L224-2(lines 224 241) no Hoare annotation was computed. [2020-12-22 06:57:15,923 INFO L185 CegarLoopUtils]: At program point L951(lines 946 954) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:57:15,924 INFO L185 CegarLoopUtils]: At program point L951-1(lines 946 954) the Hoare annotation is: false [2020-12-22 06:57:15,924 INFO L185 CegarLoopUtils]: At program point L951-2(lines 946 954) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_processEnvironment_~tmp~3 0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:57:15,924 INFO L185 CegarLoopUtils]: At program point L951-3(lines 946 954) the Hoare annotation is: false [2020-12-22 06:57:15,924 INFO L185 CegarLoopUtils]: At program point L951-4(lines 946 954) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:57:15,924 INFO L185 CegarLoopUtils]: At program point L951-5(lines 946 954) the Hoare annotation is: false [2020-12-22 06:57:15,924 INFO L185 CegarLoopUtils]: At program point L951-6(lines 946 954) the Hoare annotation is: false [2020-12-22 06:57:15,925 INFO L185 CegarLoopUtils]: At program point L951-7(lines 946 954) the Hoare annotation is: false [2020-12-22 06:57:15,925 INFO L185 CegarLoopUtils]: At program point L951-8(lines 946 954) the Hoare annotation is: false [2020-12-22 06:57:15,925 INFO L185 CegarLoopUtils]: At program point L951-9(lines 946 954) the Hoare annotation is: false [2020-12-22 06:57:15,925 INFO L185 CegarLoopUtils]: At program point L951-10(lines 946 954) the Hoare annotation is: false [2020-12-22 06:57:15,925 INFO L185 CegarLoopUtils]: At program point L951-11(lines 946 954) the Hoare annotation is: false [2020-12-22 06:57:15,925 INFO L185 CegarLoopUtils]: At program point L951-12(lines 946 954) the Hoare annotation is: false [2020-12-22 06:57:15,925 INFO L185 CegarLoopUtils]: At program point L951-13(lines 946 954) the Hoare annotation is: false [2020-12-22 06:57:15,926 INFO L185 CegarLoopUtils]: At program point L951-14(lines 946 954) the Hoare annotation is: false [2020-12-22 06:57:15,926 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:57:15,926 INFO L185 CegarLoopUtils]: At program point L294(lines 289 297) the Hoare annotation is: false [2020-12-22 06:57:15,926 INFO L185 CegarLoopUtils]: At program point L294-1(lines 289 297) the Hoare annotation is: false [2020-12-22 06:57:15,926 INFO L189 CegarLoopUtils]: For program point L228(lines 228 236) no Hoare annotation was computed. [2020-12-22 06:57:15,926 INFO L185 CegarLoopUtils]: At program point L294-2(lines 289 297) the Hoare annotation is: false [2020-12-22 06:57:15,926 INFO L189 CegarLoopUtils]: For program point L228-1(lines 228 236) no Hoare annotation was computed. [2020-12-22 06:57:15,926 INFO L189 CegarLoopUtils]: For program point L228-2(lines 228 236) no Hoare annotation was computed. [2020-12-22 06:57:15,927 INFO L189 CegarLoopUtils]: For program point L96(lines 96 109) no Hoare annotation was computed. [2020-12-22 06:57:15,927 INFO L189 CegarLoopUtils]: For program point L362(lines 362 366) no Hoare annotation was computed. [2020-12-22 06:57:15,927 INFO L189 CegarLoopUtils]: For program point L362-2(lines 362 366) no Hoare annotation was computed. [2020-12-22 06:57:15,927 INFO L189 CegarLoopUtils]: For program point L362-3(lines 362 366) no Hoare annotation was computed. [2020-12-22 06:57:15,927 INFO L189 CegarLoopUtils]: For program point L362-5(lines 362 366) no Hoare annotation was computed. [2020-12-22 06:57:15,927 INFO L189 CegarLoopUtils]: For program point L362-6(lines 362 366) no Hoare annotation was computed. [2020-12-22 06:57:15,927 INFO L189 CegarLoopUtils]: For program point L362-8(lines 362 366) no Hoare annotation was computed. [2020-12-22 06:57:15,927 INFO L189 CegarLoopUtils]: For program point L362-9(lines 362 366) no Hoare annotation was computed. [2020-12-22 06:57:15,928 INFO L189 CegarLoopUtils]: For program point L362-11(lines 362 366) no Hoare annotation was computed. [2020-12-22 06:57:15,928 INFO L189 CegarLoopUtils]: For program point L362-12(lines 362 366) no Hoare annotation was computed. [2020-12-22 06:57:15,928 INFO L189 CegarLoopUtils]: For program point L362-14(lines 362 366) no Hoare annotation was computed. [2020-12-22 06:57:15,928 INFO L189 CegarLoopUtils]: For program point L362-15(lines 362 366) no Hoare annotation was computed. [2020-12-22 06:57:15,928 INFO L189 CegarLoopUtils]: For program point L362-17(lines 362 366) no Hoare annotation was computed. [2020-12-22 06:57:15,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:57:15 BoogieIcfgContainer [2020-12-22 06:57:15,962 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:57:15,962 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:57:15,963 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:57:15,963 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:57:15,963 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:00" (3/4) ... [2020-12-22 06:57:15,967 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:57:16,004 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:57:16,007 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:57:16,010 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:57:16,013 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:57:16,015 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:57:16,018 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:16,020 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:16,054 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((((1 == systemActive && 1 <= tmp) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) [2020-12-22 06:57:16,055 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0)) || (((((1 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) [2020-12-22 06:57:16,058 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) [2020-12-22 06:57:16,060 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:16,062 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\result == 0) && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:16,064 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 0 && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel [2020-12-22 06:57:16,064 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\result == 0) && 1 == systemActive) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((1 == systemActive && tmp == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:16,065 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 0 && tmp == 0) && 1 == systemActive) && \result == 0) && 1 <= tmp___0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result [2020-12-22 06:57:16,066 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\result == 0) && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((1 == systemActive && tmp == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:16,199 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec4_product62.cil.c-witness.graphml [2020-12-22 06:57:16,200 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:57:16,201 INFO L168 Benchmark]: Toolchain (without parser) took 18273.76 ms. Allocated memory was 152.0 MB in the beginning and 380.6 MB in the end (delta: 228.6 MB). Free memory was 127.0 MB in the beginning and 314.2 MB in the end (delta: -187.2 MB). Peak memory consumption was 42.8 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:16,201 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 152.0 MB. Free memory is still 124.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:57:16,202 INFO L168 Benchmark]: CACSL2BoogieTranslator took 629.04 ms. Allocated memory is still 152.0 MB. Free memory was 126.8 MB in the beginning and 104.5 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:16,202 INFO L168 Benchmark]: Boogie Procedure Inliner took 169.92 ms. Allocated memory is still 152.0 MB. Free memory was 104.4 MB in the beginning and 132.3 MB in the end (delta: -28.0 MB). Peak memory consumption was 6.6 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:16,203 INFO L168 Benchmark]: Boogie Preprocessor took 79.99 ms. Allocated memory is still 152.0 MB. Free memory was 132.3 MB in the beginning and 128.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:16,203 INFO L168 Benchmark]: RCFGBuilder took 1653.37 ms. Allocated memory is still 152.0 MB. Free memory was 128.1 MB in the beginning and 119.6 MB in the end (delta: 8.5 MB). Peak memory consumption was 83.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:16,203 INFO L168 Benchmark]: TraceAbstraction took 15490.31 ms. Allocated memory was 152.0 MB in the beginning and 380.6 MB in the end (delta: 228.6 MB). Free memory was 119.1 MB in the beginning and 334.2 MB in the end (delta: -215.1 MB). Peak memory consumption was 180.8 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:16,204 INFO L168 Benchmark]: Witness Printer took 237.29 ms. Allocated memory is still 380.6 MB. Free memory was 334.2 MB in the beginning and 314.2 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:16,206 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 152.0 MB. Free memory is still 124.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 629.04 ms. Allocated memory is still 152.0 MB. Free memory was 126.8 MB in the beginning and 104.5 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 169.92 ms. Allocated memory is still 152.0 MB. Free memory was 104.4 MB in the beginning and 132.3 MB in the end (delta: -28.0 MB). Peak memory consumption was 6.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 79.99 ms. Allocated memory is still 152.0 MB. Free memory was 132.3 MB in the beginning and 128.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1653.37 ms. Allocated memory is still 152.0 MB. Free memory was 128.1 MB in the beginning and 119.6 MB in the end (delta: 8.5 MB). Peak memory consumption was 83.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 15490.31 ms. Allocated memory was 152.0 MB in the beginning and 380.6 MB in the end (delta: 228.6 MB). Free memory was 119.1 MB in the beginning and 334.2 MB in the end (delta: -215.1 MB). Peak memory consumption was 180.8 MB. Max. memory is 8.0 GB. * Witness Printer took 237.29 ms. Allocated memory is still 380.6 MB. Free memory was 334.2 MB in the beginning and 314.2 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 518]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 <= waterLevel) && splverifierCounter == 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: ((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0)) || (((((1 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: ((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: ((waterLevel == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: (((tmp == 0 && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 <= waterLevel) && splverifierCounter == 0 - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: (((((!(\result == 0) && 1 == systemActive) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((1 == systemActive && tmp == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: (((waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: (1 == systemActive && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: ((((((((!(\result == 0) && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((1 == systemActive && tmp == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: (((((((!(\result == 0) && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: ((waterLevel == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: (((waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: ((((((tmp == 0 && tmp == 0) && 1 == systemActive) && \result == 0) && 1 <= tmp___0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((waterLevel == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((((1 == systemActive && 1 <= tmp) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 225 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.5s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1846 SDtfs, 2959 SDslu, 3144 SDs, 0 SdLazy, 486 SolverSat, 115 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 245 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=644occurred in iteration=11, 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, 12 MinimizatonAttempts, 2144 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 91 LocationsWithAnnotation, 91 PreInvPairs, 297 NumberOfFragments, 593 HoareAnnotationTreeSize, 91 FomulaSimplifications, 1332600 FormulaSimplificationTreeSizeReduction, 3.0s HoareSimplificationTime, 91 FomulaSimplificationsInter, 360732 FormulaSimplificationTreeSizeReductionInter, 6.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 697 NumberOfCodeBlocks, 697 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 683 ConstructedInterpolants, 0 QuantifiedInterpolants, 65833 SizeOfPredicates, 6 NumberOfNonLiveVariables, 996 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 235/243 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...