/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:53:26,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:53:26,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:53:26,535 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:53:26,536 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:53:26,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:53:26,545 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:53:26,554 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:53:26,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:53:26,565 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:53:26,566 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:53:26,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:53:26,571 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:53:26,572 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:53:26,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:53:26,574 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:53:26,576 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:53:26,577 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:53:26,583 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:53:26,586 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:53:26,589 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:53:26,595 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:53:26,596 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:53:26,598 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:53:26,619 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:53:26,629 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:53:26,630 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:53:26,631 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:53:26,632 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:53:26,634 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:53:26,634 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:53:26,635 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:53:26,636 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:53:26,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:53:26,637 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:53:26,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:53:26,643 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:53:26,702 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:53:26,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:53:26,704 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:53:26,706 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:53:26,706 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:53:26,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:53:26,707 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:53:26,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:53:26,707 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:53:26,707 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:53:26,708 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:53:26,708 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:53:26,708 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:53:26,708 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:53:26,709 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:53:26,709 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:53:26,709 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:53:26,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:53:26,710 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:53:26,710 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:53:26,710 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:53:26,710 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:53:26,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:53:26,711 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:53:26,711 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:53:26,711 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:53:27,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:53:27,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:53:27,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:53:27,110 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:53:27,111 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:53:27,112 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c [2020-12-22 06:53:27,196 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81306e8d7/9dc8becfe50f4cc3ba1e6fc485296d8b/FLAGd57783e3e [2020-12-22 06:53:27,789 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:53:27,790 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c [2020-12-22 06:53:27,807 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81306e8d7/9dc8becfe50f4cc3ba1e6fc485296d8b/FLAGd57783e3e [2020-12-22 06:53:28,122 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81306e8d7/9dc8becfe50f4cc3ba1e6fc485296d8b [2020-12-22 06:53:28,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:53:28,137 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:53:28,139 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:53:28,139 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:53:28,144 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:53:28,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:53:28" (1/1) ... [2020-12-22 06:53:28,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14739132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:28, skipping insertion in model container [2020-12-22 06:53:28,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:53:28" (1/1) ... [2020-12-22 06:53:28,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:53:28,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:53:28,412 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c[2740,2753] [2020-12-22 06:53:28,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:53:28,609 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:53:28,632 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c[2740,2753] [2020-12-22 06:53:28,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:53:28,777 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:53:28,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:28 WrapperNode [2020-12-22 06:53:28,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:53:28,779 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:53:28,780 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:53:28,780 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:53:28,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:28" (1/1) ... [2020-12-22 06:53:28,836 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:28" (1/1) ... [2020-12-22 06:53:28,929 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:53:28,930 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:53:28,930 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:53:28,931 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:53:28,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:28" (1/1) ... [2020-12-22 06:53:28,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:28" (1/1) ... [2020-12-22 06:53:28,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:28" (1/1) ... [2020-12-22 06:53:28,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:28" (1/1) ... [2020-12-22 06:53:29,009 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:28" (1/1) ... [2020-12-22 06:53:29,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:28" (1/1) ... [2020-12-22 06:53:29,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:28" (1/1) ... [2020-12-22 06:53:29,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:53:29,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:53:29,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:53:29,046 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:53:29,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:53:29,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:53:29,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:53:29,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:53:29,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:53:30,288 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:53:30,288 INFO L299 CfgBuilder]: Removed 192 assume(true) statements. [2020-12-22 06:53:30,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:53:30 BoogieIcfgContainer [2020-12-22 06:53:30,291 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:53:30,293 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:53:30,293 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:53:30,297 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:53:30,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:53:28" (1/3) ... [2020-12-22 06:53:30,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36e98dc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:53:30, skipping insertion in model container [2020-12-22 06:53:30,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:28" (2/3) ... [2020-12-22 06:53:30,299 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36e98dc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:53:30, skipping insertion in model container [2020-12-22 06:53:30,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:53:30" (3/3) ... [2020-12-22 06:53:30,301 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product45.cil.c [2020-12-22 06:53:30,308 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:53:30,313 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:53:30,334 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:53:30,363 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:53:30,363 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:53:30,364 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:53:30,364 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:53:30,364 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:53:30,364 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:53:30,364 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:53:30,364 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:53:30,384 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2020-12-22 06:53:30,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-22 06:53:30,391 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:30,392 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:53:30,392 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:30,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:30,399 INFO L82 PathProgramCache]: Analyzing trace with hash -1880189342, now seen corresponding path program 1 times [2020-12-22 06:53:30,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:30,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255460926] [2020-12-22 06:53:30,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:30,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:30,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:53:30,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255460926] [2020-12-22 06:53:30,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:30,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:53:30,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857465678] [2020-12-22 06:53:30,745 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:53:30,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:30,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:53:30,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:53:30,768 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 2 states. [2020-12-22 06:53:30,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:30,836 INFO L93 Difference]: Finished difference Result 252 states and 377 transitions. [2020-12-22 06:53:30,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:53:30,838 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-22 06:53:30,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:30,868 INFO L225 Difference]: With dead ends: 252 [2020-12-22 06:53:30,869 INFO L226 Difference]: Without dead ends: 125 [2020-12-22 06:53:30,873 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:53:30,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-12-22 06:53:30,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-12-22 06:53:30,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-12-22 06:53:30,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 180 transitions. [2020-12-22 06:53:30,927 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 180 transitions. Word has length 16 [2020-12-22 06:53:30,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:30,928 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 180 transitions. [2020-12-22 06:53:30,928 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:53:30,928 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 180 transitions. [2020-12-22 06:53:30,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 06:53:30,929 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:30,929 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:53:30,930 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:53:30,930 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:30,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:30,931 INFO L82 PathProgramCache]: Analyzing trace with hash 1368021057, now seen corresponding path program 1 times [2020-12-22 06:53:30,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:30,931 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740664534] [2020-12-22 06:53:30,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:30,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:31,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:53:31,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740664534] [2020-12-22 06:53:31,069 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:31,069 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:53:31,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948277561] [2020-12-22 06:53:31,071 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:53:31,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:31,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:53:31,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:53:31,072 INFO L87 Difference]: Start difference. First operand 125 states and 180 transitions. Second operand 3 states. [2020-12-22 06:53:31,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:31,087 INFO L93 Difference]: Finished difference Result 125 states and 180 transitions. [2020-12-22 06:53:31,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:53:31,088 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-22 06:53:31,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:31,089 INFO L225 Difference]: With dead ends: 125 [2020-12-22 06:53:31,089 INFO L226 Difference]: Without dead ends: 51 [2020-12-22 06:53:31,091 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:53:31,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-12-22 06:53:31,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-12-22 06:53:31,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-12-22 06:53:31,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2020-12-22 06:53:31,097 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 17 [2020-12-22 06:53:31,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:31,098 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2020-12-22 06:53:31,098 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:53:31,098 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2020-12-22 06:53:31,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-22 06:53:31,099 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:31,099 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:53:31,099 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:53:31,100 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:31,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:31,100 INFO L82 PathProgramCache]: Analyzing trace with hash -2019078694, now seen corresponding path program 1 times [2020-12-22 06:53:31,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:31,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620390519] [2020-12-22 06:53:31,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:31,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:31,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:53:31,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620390519] [2020-12-22 06:53:31,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:31,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:53:31,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058411936] [2020-12-22 06:53:31,219 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:53:31,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:31,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:53:31,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:53:31,221 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand 6 states. [2020-12-22 06:53:31,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:31,374 INFO L93 Difference]: Finished difference Result 96 states and 140 transitions. [2020-12-22 06:53:31,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:53:31,375 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-12-22 06:53:31,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:31,376 INFO L225 Difference]: With dead ends: 96 [2020-12-22 06:53:31,376 INFO L226 Difference]: Without dead ends: 51 [2020-12-22 06:53:31,377 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:53:31,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-12-22 06:53:31,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-12-22 06:53:31,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-12-22 06:53:31,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2020-12-22 06:53:31,383 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 22 [2020-12-22 06:53:31,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:31,384 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2020-12-22 06:53:31,384 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:53:31,384 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2020-12-22 06:53:31,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:53:31,385 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:31,385 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:53:31,386 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:53:31,386 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:31,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:31,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1511639432, now seen corresponding path program 1 times [2020-12-22 06:53:31,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:31,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288612503] [2020-12-22 06:53:31,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:31,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:53:31,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288612503] [2020-12-22 06:53:31,443 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:31,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:53:31,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198885991] [2020-12-22 06:53:31,444 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:53:31,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:31,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:53:31,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:53:31,446 INFO L87 Difference]: Start difference. First operand 51 states and 72 transitions. Second operand 3 states. [2020-12-22 06:53:31,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:31,481 INFO L93 Difference]: Finished difference Result 117 states and 168 transitions. [2020-12-22 06:53:31,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:53:31,481 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-12-22 06:53:31,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:31,483 INFO L225 Difference]: With dead ends: 117 [2020-12-22 06:53:31,483 INFO L226 Difference]: Without dead ends: 72 [2020-12-22 06:53:31,484 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:53:31,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-12-22 06:53:31,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 70. [2020-12-22 06:53:31,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-12-22 06:53:31,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 98 transitions. [2020-12-22 06:53:31,502 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 98 transitions. Word has length 24 [2020-12-22 06:53:31,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:31,503 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 98 transitions. [2020-12-22 06:53:31,503 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:53:31,503 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2020-12-22 06:53:31,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-22 06:53:31,504 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:31,504 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] [2020-12-22 06:53:31,504 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:53:31,504 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:31,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:31,508 INFO L82 PathProgramCache]: Analyzing trace with hash 406595852, now seen corresponding path program 1 times [2020-12-22 06:53:31,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:31,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104895624] [2020-12-22 06:53:31,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:31,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:31,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:53:31,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104895624] [2020-12-22 06:53:31,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:31,628 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:53:31,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207649186] [2020-12-22 06:53:31,628 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:53:31,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:31,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:53:31,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:53:31,630 INFO L87 Difference]: Start difference. First operand 70 states and 98 transitions. Second operand 5 states. [2020-12-22 06:53:31,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:31,811 INFO L93 Difference]: Finished difference Result 335 states and 484 transitions. [2020-12-22 06:53:31,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:53:31,814 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-12-22 06:53:31,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:31,821 INFO L225 Difference]: With dead ends: 335 [2020-12-22 06:53:31,821 INFO L226 Difference]: Without dead ends: 271 [2020-12-22 06:53:31,823 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:53:31,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2020-12-22 06:53:31,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 128. [2020-12-22 06:53:31,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-12-22 06:53:31,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 179 transitions. [2020-12-22 06:53:31,882 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 179 transitions. Word has length 30 [2020-12-22 06:53:31,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:31,883 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 179 transitions. [2020-12-22 06:53:31,883 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:53:31,883 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 179 transitions. [2020-12-22 06:53:31,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-22 06:53:31,885 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:31,885 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 06:53:31,885 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:53:31,886 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:31,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:31,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1078364354, now seen corresponding path program 1 times [2020-12-22 06:53:31,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:31,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508256535] [2020-12-22 06:53:31,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:31,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:31,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:53:31,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508256535] [2020-12-22 06:53:31,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:31,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:53:31,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401560196] [2020-12-22 06:53:31,963 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:53:31,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:31,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:53:31,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:53:31,964 INFO L87 Difference]: Start difference. First operand 128 states and 179 transitions. Second operand 5 states. [2020-12-22 06:53:32,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:32,102 INFO L93 Difference]: Finished difference Result 366 states and 516 transitions. [2020-12-22 06:53:32,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:53:32,103 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-12-22 06:53:32,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:32,106 INFO L225 Difference]: With dead ends: 366 [2020-12-22 06:53:32,106 INFO L226 Difference]: Without dead ends: 364 [2020-12-22 06:53:32,108 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:53:32,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2020-12-22 06:53:32,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 128. [2020-12-22 06:53:32,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-12-22 06:53:32,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 178 transitions. [2020-12-22 06:53:32,136 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 178 transitions. Word has length 31 [2020-12-22 06:53:32,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:32,137 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 178 transitions. [2020-12-22 06:53:32,137 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:53:32,138 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 178 transitions. [2020-12-22 06:53:32,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:53:32,142 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:32,142 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:53:32,142 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:53:32,143 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:32,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:32,147 INFO L82 PathProgramCache]: Analyzing trace with hash 123869668, now seen corresponding path program 1 times [2020-12-22 06:53:32,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:32,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421772945] [2020-12-22 06:53:32,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:32,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:32,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:53:32,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421772945] [2020-12-22 06:53:32,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:32,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:53:32,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308215635] [2020-12-22 06:53:32,237 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:53:32,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:32,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:53:32,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:53:32,239 INFO L87 Difference]: Start difference. First operand 128 states and 178 transitions. Second operand 5 states. [2020-12-22 06:53:32,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:32,323 INFO L93 Difference]: Finished difference Result 336 states and 464 transitions. [2020-12-22 06:53:32,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:53:32,324 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-12-22 06:53:32,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:32,325 INFO L225 Difference]: With dead ends: 336 [2020-12-22 06:53:32,325 INFO L226 Difference]: Without dead ends: 214 [2020-12-22 06:53:32,326 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:53:32,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2020-12-22 06:53:32,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 140. [2020-12-22 06:53:32,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-12-22 06:53:32,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 190 transitions. [2020-12-22 06:53:32,341 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 190 transitions. Word has length 34 [2020-12-22 06:53:32,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:32,341 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 190 transitions. [2020-12-22 06:53:32,342 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:53:32,342 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 190 transitions. [2020-12-22 06:53:32,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:53:32,343 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:32,343 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:53:32,343 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:53:32,343 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:32,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:32,344 INFO L82 PathProgramCache]: Analyzing trace with hash -462936346, now seen corresponding path program 1 times [2020-12-22 06:53:32,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:32,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025382449] [2020-12-22 06:53:32,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:32,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:32,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:53:32,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025382449] [2020-12-22 06:53:32,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:32,395 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:53:32,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068531416] [2020-12-22 06:53:32,396 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:53:32,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:32,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:53:32,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:53:32,397 INFO L87 Difference]: Start difference. First operand 140 states and 190 transitions. Second operand 4 states. [2020-12-22 06:53:32,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:32,457 INFO L93 Difference]: Finished difference Result 332 states and 448 transitions. [2020-12-22 06:53:32,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:53:32,457 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-12-22 06:53:32,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:32,459 INFO L225 Difference]: With dead ends: 332 [2020-12-22 06:53:32,459 INFO L226 Difference]: Without dead ends: 198 [2020-12-22 06:53:32,462 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:53:32,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2020-12-22 06:53:32,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 148. [2020-12-22 06:53:32,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-12-22 06:53:32,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 198 transitions. [2020-12-22 06:53:32,481 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 198 transitions. Word has length 34 [2020-12-22 06:53:32,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:32,481 INFO L481 AbstractCegarLoop]: Abstraction has 148 states and 198 transitions. [2020-12-22 06:53:32,481 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:53:32,481 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 198 transitions. [2020-12-22 06:53:32,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:53:32,487 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:32,487 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:53:32,487 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:53:32,488 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:32,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:32,488 INFO L82 PathProgramCache]: Analyzing trace with hash -1742800024, now seen corresponding path program 1 times [2020-12-22 06:53:32,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:32,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994877962] [2020-12-22 06:53:32,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:32,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:32,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:53:32,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994877962] [2020-12-22 06:53:32,558 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:32,558 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:53:32,558 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615497820] [2020-12-22 06:53:32,558 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:53:32,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:32,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:53:32,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:53:32,561 INFO L87 Difference]: Start difference. First operand 148 states and 198 transitions. Second operand 3 states. [2020-12-22 06:53:32,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:32,613 INFO L93 Difference]: Finished difference Result 340 states and 454 transitions. [2020-12-22 06:53:32,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:53:32,615 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-12-22 06:53:32,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:32,616 INFO L225 Difference]: With dead ends: 340 [2020-12-22 06:53:32,616 INFO L226 Difference]: Without dead ends: 198 [2020-12-22 06:53:32,617 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:53:32,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2020-12-22 06:53:32,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2020-12-22 06:53:32,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2020-12-22 06:53:32,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 258 transitions. [2020-12-22 06:53:32,642 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 258 transitions. Word has length 34 [2020-12-22 06:53:32,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:32,644 INFO L481 AbstractCegarLoop]: Abstraction has 198 states and 258 transitions. [2020-12-22 06:53:32,644 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:53:32,644 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 258 transitions. [2020-12-22 06:53:32,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-22 06:53:32,645 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:32,646 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:53:32,646 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:53:32,648 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:32,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:32,649 INFO L82 PathProgramCache]: Analyzing trace with hash -226364314, now seen corresponding path program 1 times [2020-12-22 06:53:32,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:32,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596402496] [2020-12-22 06:53:32,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:32,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:32,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:53:32,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596402496] [2020-12-22 06:53:32,761 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:32,761 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-22 06:53:32,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988198287] [2020-12-22 06:53:32,762 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 06:53:32,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:32,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 06:53:32,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:53:32,767 INFO L87 Difference]: Start difference. First operand 198 states and 258 transitions. Second operand 8 states. [2020-12-22 06:53:33,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:33,313 INFO L93 Difference]: Finished difference Result 764 states and 992 transitions. [2020-12-22 06:53:33,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-22 06:53:33,314 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2020-12-22 06:53:33,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:33,317 INFO L225 Difference]: With dead ends: 764 [2020-12-22 06:53:33,317 INFO L226 Difference]: Without dead ends: 572 [2020-12-22 06:53:33,318 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=174, Invalid=378, Unknown=0, NotChecked=0, Total=552 [2020-12-22 06:53:33,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2020-12-22 06:53:33,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 198. [2020-12-22 06:53:33,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2020-12-22 06:53:33,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 253 transitions. [2020-12-22 06:53:33,357 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 253 transitions. Word has length 35 [2020-12-22 06:53:33,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:33,358 INFO L481 AbstractCegarLoop]: Abstraction has 198 states and 253 transitions. [2020-12-22 06:53:33,358 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 06:53:33,358 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 253 transitions. [2020-12-22 06:53:33,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-22 06:53:33,359 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:33,359 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 06:53:33,359 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 06:53:33,359 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:33,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:33,360 INFO L82 PathProgramCache]: Analyzing trace with hash -1790569150, now seen corresponding path program 1 times [2020-12-22 06:53:33,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:33,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452675082] [2020-12-22 06:53:33,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:33,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:33,430 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 06:53:33,430 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452675082] [2020-12-22 06:53:33,430 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:33,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:53:33,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878240539] [2020-12-22 06:53:33,431 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:53:33,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:33,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:53:33,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:53:33,432 INFO L87 Difference]: Start difference. First operand 198 states and 253 transitions. Second operand 6 states. [2020-12-22 06:53:33,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:33,681 INFO L93 Difference]: Finished difference Result 497 states and 639 transitions. [2020-12-22 06:53:33,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 06:53:33,681 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2020-12-22 06:53:33,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:33,682 INFO L225 Difference]: With dead ends: 497 [2020-12-22 06:53:33,682 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:53:33,683 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-12-22 06:53:33,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:53:33,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:53:33,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:53:33,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:53:33,684 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2020-12-22 06:53:33,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:33,684 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:53:33,684 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:53:33,684 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:53:33,684 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:53:33,684 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 06:53:33,686 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:53:34,015 WARN L197 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 70 [2020-12-22 06:53:34,492 WARN L197 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 68 [2020-12-22 06:53:34,828 WARN L197 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 84 [2020-12-22 06:53:35,020 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 109 [2020-12-22 06:53:35,200 WARN L197 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 101 [2020-12-22 06:53:35,443 WARN L197 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 18 [2020-12-22 06:53:35,656 WARN L197 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 26 [2020-12-22 06:53:36,165 WARN L197 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 26 [2020-12-22 06:53:36,610 WARN L197 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 18 [2020-12-22 06:53:36,939 WARN L197 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 17 [2020-12-22 06:53:37,384 WARN L197 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 17 [2020-12-22 06:53:37,943 WARN L197 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 25 [2020-12-22 06:53:37,949 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 147) no Hoare annotation was computed. [2020-12-22 06:53:37,949 INFO L189 CegarLoopUtils]: For program point L267(lines 267 274) no Hoare annotation was computed. [2020-12-22 06:53:37,950 INFO L192 CegarLoopUtils]: At program point L267-1(lines 267 274) the Hoare annotation is: true [2020-12-22 06:53:37,950 INFO L185 CegarLoopUtils]: At program point L763(lines 763 769) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (= ULTIMATE.start_main_~tmp~1 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (= ~methaneLevelCritical~0 1) .cse0 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3 .cse4 .cse5))) [2020-12-22 06:53:37,950 INFO L185 CegarLoopUtils]: At program point L763-1(lines 763 769) the Hoare annotation is: false [2020-12-22 06:53:37,951 INFO L185 CegarLoopUtils]: At program point L763-2(lines 763 769) the Hoare annotation is: false [2020-12-22 06:53:37,951 INFO L185 CegarLoopUtils]: At program point L137(lines 128 141) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~1 1)) [2020-12-22 06:53:37,951 INFO L185 CegarLoopUtils]: At program point L137-1(lines 128 141) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~1 1))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-12-22 06:53:37,951 INFO L185 CegarLoopUtils]: At program point L137-2(lines 128 141) the Hoare annotation is: false [2020-12-22 06:53:37,952 INFO L185 CegarLoopUtils]: At program point L137-3(lines 128 141) the Hoare annotation is: false [2020-12-22 06:53:37,952 INFO L185 CegarLoopUtils]: At program point L137-4(lines 128 141) the Hoare annotation is: false [2020-12-22 06:53:37,952 INFO L185 CegarLoopUtils]: At program point L137-5(lines 128 141) the Hoare annotation is: false [2020-12-22 06:53:37,952 INFO L185 CegarLoopUtils]: At program point L303(lines 1 942) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:53:37,952 INFO L189 CegarLoopUtils]: For program point L933(lines 933 937) no Hoare annotation was computed. [2020-12-22 06:53:37,952 INFO L189 CegarLoopUtils]: For program point L933-2(lines 933 937) no Hoare annotation was computed. [2020-12-22 06:53:37,953 INFO L189 CegarLoopUtils]: For program point L933-3(lines 933 937) no Hoare annotation was computed. [2020-12-22 06:53:37,953 INFO L189 CegarLoopUtils]: For program point L933-5(lines 933 937) no Hoare annotation was computed. [2020-12-22 06:53:37,953 INFO L189 CegarLoopUtils]: For program point L933-6(lines 933 937) no Hoare annotation was computed. [2020-12-22 06:53:37,953 INFO L189 CegarLoopUtils]: For program point L702(lines 702 708) no Hoare annotation was computed. [2020-12-22 06:53:37,953 INFO L185 CegarLoopUtils]: At program point L702-1(lines 702 708) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~1 1))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 0) .cse3 .cse4))) [2020-12-22 06:53:37,953 INFO L189 CegarLoopUtils]: For program point L933-8(lines 933 937) no Hoare annotation was computed. [2020-12-22 06:53:37,954 INFO L189 CegarLoopUtils]: For program point L933-9(lines 933 937) no Hoare annotation was computed. [2020-12-22 06:53:37,954 INFO L189 CegarLoopUtils]: For program point L933-11(lines 933 937) no Hoare annotation was computed. [2020-12-22 06:53:37,955 INFO L189 CegarLoopUtils]: For program point L933-12(lines 933 937) no Hoare annotation was computed. [2020-12-22 06:53:37,955 INFO L189 CegarLoopUtils]: For program point L933-14(lines 933 937) no Hoare annotation was computed. [2020-12-22 06:53:37,956 INFO L189 CegarLoopUtils]: For program point L933-15(lines 933 937) no Hoare annotation was computed. [2020-12-22 06:53:37,956 INFO L189 CegarLoopUtils]: For program point L933-17(lines 933 937) no Hoare annotation was computed. [2020-12-22 06:53:37,957 INFO L185 CegarLoopUtils]: At program point L240(lines 236 242) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~1 1)) [2020-12-22 06:53:37,957 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 147) no Hoare annotation was computed. [2020-12-22 06:53:37,957 INFO L185 CegarLoopUtils]: At program point L738(lines 691 739) the Hoare annotation is: false [2020-12-22 06:53:37,957 INFO L192 CegarLoopUtils]: At program point L276(lines 257 279) the Hoare annotation is: true [2020-12-22 06:53:37,957 INFO L189 CegarLoopUtils]: For program point L79(lines 79 83) no Hoare annotation was computed. [2020-12-22 06:53:37,957 INFO L185 CegarLoopUtils]: At program point L311(lines 306 314) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:53:37,958 INFO L185 CegarLoopUtils]: At program point L939(lines 924 942) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~1 1)) [2020-12-22 06:53:37,958 INFO L185 CegarLoopUtils]: At program point L939-1(lines 924 942) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~1 1))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-12-22 06:53:37,958 INFO L185 CegarLoopUtils]: At program point L939-2(lines 924 942) the Hoare annotation is: false [2020-12-22 06:53:37,959 INFO L185 CegarLoopUtils]: At program point L939-3(lines 924 942) the Hoare annotation is: false [2020-12-22 06:53:37,959 INFO L185 CegarLoopUtils]: At program point L939-4(lines 924 942) the Hoare annotation is: false [2020-12-22 06:53:37,959 INFO L185 CegarLoopUtils]: At program point L939-5(lines 924 942) the Hoare annotation is: false [2020-12-22 06:53:37,960 INFO L189 CegarLoopUtils]: For program point L147(line 147) no Hoare annotation was computed. [2020-12-22 06:53:37,960 INFO L189 CegarLoopUtils]: For program point L147-1(line 147) no Hoare annotation was computed. [2020-12-22 06:53:37,960 INFO L189 CegarLoopUtils]: For program point L147-2(line 147) no Hoare annotation was computed. [2020-12-22 06:53:37,961 INFO L185 CegarLoopUtils]: At program point L875(lines 868 878) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~1 1))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneAlarm_#res| 1) .cse0 .cse1 .cse2 .cse3) (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3))) [2020-12-22 06:53:37,961 INFO L185 CegarLoopUtils]: At program point L875-1(lines 868 878) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~1 1)) [2020-12-22 06:53:37,961 INFO L185 CegarLoopUtils]: At program point L875-2(lines 868 878) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~1 1))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= |ULTIMATE.start_isMethaneAlarm_#res| 1) .cse0 .cse1 .cse2) (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| 1) .cse2))) [2020-12-22 06:53:37,961 INFO L185 CegarLoopUtils]: At program point L875-3(lines 868 878) the Hoare annotation is: false [2020-12-22 06:53:37,961 INFO L185 CegarLoopUtils]: At program point L875-4(lines 868 878) the Hoare annotation is: false [2020-12-22 06:53:37,961 INFO L185 CegarLoopUtils]: At program point L875-5(lines 868 878) the Hoare annotation is: false [2020-12-22 06:53:37,962 INFO L185 CegarLoopUtils]: At program point L875-6(lines 868 878) the Hoare annotation is: false [2020-12-22 06:53:37,962 INFO L185 CegarLoopUtils]: At program point L875-7(lines 868 878) the Hoare annotation is: false [2020-12-22 06:53:37,962 INFO L185 CegarLoopUtils]: At program point L875-8(lines 868 878) the Hoare annotation is: false [2020-12-22 06:53:37,962 INFO L189 CegarLoopUtils]: For program point L712(lines 712 718) no Hoare annotation was computed. [2020-12-22 06:53:37,962 INFO L185 CegarLoopUtils]: At program point L712-1(lines 712 718) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~1 1))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3))) [2020-12-22 06:53:37,962 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:53:37,962 INFO L189 CegarLoopUtils]: For program point L814(lines 814 831) no Hoare annotation was computed. [2020-12-22 06:53:37,962 INFO L189 CegarLoopUtils]: For program point L814-1(lines 814 831) no Hoare annotation was computed. [2020-12-22 06:53:37,962 INFO L189 CegarLoopUtils]: For program point L814-2(lines 814 831) no Hoare annotation was computed. [2020-12-22 06:53:37,963 INFO L189 CegarLoopUtils]: For program point L55(lines 55 59) no Hoare annotation was computed. [2020-12-22 06:53:37,963 INFO L189 CegarLoopUtils]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2020-12-22 06:53:37,963 INFO L189 CegarLoopUtils]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2020-12-22 06:53:37,963 INFO L189 CegarLoopUtils]: For program point L850(lines 850 856) no Hoare annotation was computed. [2020-12-22 06:53:37,963 INFO L189 CegarLoopUtils]: For program point L850-2(lines 850 856) no Hoare annotation was computed. [2020-12-22 06:53:37,963 INFO L189 CegarLoopUtils]: For program point L850-4(lines 850 856) no Hoare annotation was computed. [2020-12-22 06:53:37,963 INFO L189 CegarLoopUtils]: For program point L850-6(lines 850 856) no Hoare annotation was computed. [2020-12-22 06:53:37,963 INFO L189 CegarLoopUtils]: For program point L850-8(lines 850 856) no Hoare annotation was computed. [2020-12-22 06:53:37,963 INFO L189 CegarLoopUtils]: For program point L850-10(lines 850 856) no Hoare annotation was computed. [2020-12-22 06:53:37,963 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:53:37,964 INFO L185 CegarLoopUtils]: At program point L884(lines 879 887) the Hoare annotation is: (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~1 1)) [2020-12-22 06:53:37,964 INFO L185 CegarLoopUtils]: At program point L884-1(lines 879 887) the Hoare annotation is: false [2020-12-22 06:53:37,964 INFO L189 CegarLoopUtils]: For program point L818(lines 818 826) no Hoare annotation was computed. [2020-12-22 06:53:37,964 INFO L185 CegarLoopUtils]: At program point L884-2(lines 879 887) the Hoare annotation is: false [2020-12-22 06:53:37,965 INFO L189 CegarLoopUtils]: For program point L818-1(lines 818 826) no Hoare annotation was computed. [2020-12-22 06:53:37,965 INFO L189 CegarLoopUtils]: For program point L818-2(lines 818 826) no Hoare annotation was computed. [2020-12-22 06:53:37,965 INFO L185 CegarLoopUtils]: At program point L191-2(lines 191 205) the Hoare annotation is: false [2020-12-22 06:53:37,965 INFO L185 CegarLoopUtils]: At program point L92(lines 87 95) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~1 1))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3))) [2020-12-22 06:53:37,965 INFO L185 CegarLoopUtils]: At program point L92-1(lines 87 95) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~1 1)) [2020-12-22 06:53:37,965 INFO L185 CegarLoopUtils]: At program point L92-2(lines 87 95) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~1 1))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3 .cse4))) [2020-12-22 06:53:37,965 INFO L185 CegarLoopUtils]: At program point L92-3(lines 87 95) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~1 1))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3) (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3))) [2020-12-22 06:53:37,966 INFO L185 CegarLoopUtils]: At program point L92-4(lines 87 95) the Hoare annotation is: false [2020-12-22 06:53:37,966 INFO L185 CegarLoopUtils]: At program point L92-5(lines 87 95) the Hoare annotation is: false [2020-12-22 06:53:37,966 INFO L185 CegarLoopUtils]: At program point L92-6(lines 87 95) the Hoare annotation is: false [2020-12-22 06:53:37,966 INFO L185 CegarLoopUtils]: At program point L92-7(lines 87 95) the Hoare annotation is: false [2020-12-22 06:53:37,966 INFO L185 CegarLoopUtils]: At program point L92-8(lines 87 95) the Hoare annotation is: false [2020-12-22 06:53:37,966 INFO L185 CegarLoopUtils]: At program point L92-9(lines 87 95) the Hoare annotation is: false [2020-12-22 06:53:37,966 INFO L185 CegarLoopUtils]: At program point L92-10(lines 87 95) the Hoare annotation is: false [2020-12-22 06:53:37,966 INFO L185 CegarLoopUtils]: At program point L92-11(lines 87 95) the Hoare annotation is: false [2020-12-22 06:53:37,966 INFO L189 CegarLoopUtils]: For program point L192(line 192) no Hoare annotation was computed. [2020-12-22 06:53:37,966 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:53:37,967 INFO L189 CegarLoopUtils]: For program point L788(lines 788 805) no Hoare annotation was computed. [2020-12-22 06:53:37,967 INFO L189 CegarLoopUtils]: For program point L788-1(lines 788 805) no Hoare annotation was computed. [2020-12-22 06:53:37,967 INFO L189 CegarLoopUtils]: For program point L722(lines 722 733) no Hoare annotation was computed. [2020-12-22 06:53:37,967 INFO L189 CegarLoopUtils]: For program point L788-2(lines 788 805) no Hoare annotation was computed. [2020-12-22 06:53:37,968 INFO L189 CegarLoopUtils]: For program point L788-3(lines 788 805) no Hoare annotation was computed. [2020-12-22 06:53:37,968 INFO L189 CegarLoopUtils]: For program point L788-4(lines 788 805) no Hoare annotation was computed. [2020-12-22 06:53:37,968 INFO L189 CegarLoopUtils]: For program point L788-5(lines 788 805) no Hoare annotation was computed. [2020-12-22 06:53:37,968 INFO L189 CegarLoopUtils]: For program point L161(lines 161 174) no Hoare annotation was computed. [2020-12-22 06:53:37,968 INFO L185 CegarLoopUtils]: At program point L161-1(lines 1 942) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~1 1))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 0) .cse3 .cse4))) [2020-12-22 06:53:37,968 INFO L189 CegarLoopUtils]: For program point L161-2(lines 161 174) no Hoare annotation was computed. [2020-12-22 06:53:37,968 INFO L185 CegarLoopUtils]: At program point L161-3(lines 1 942) the Hoare annotation is: false [2020-12-22 06:53:37,969 INFO L189 CegarLoopUtils]: For program point L161-4(lines 161 174) no Hoare annotation was computed. [2020-12-22 06:53:37,969 INFO L185 CegarLoopUtils]: At program point L161-5(lines 1 942) the Hoare annotation is: false [2020-12-22 06:53:37,969 INFO L185 CegarLoopUtils]: At program point L756(lines 755 774) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~1 1))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3))) [2020-12-22 06:53:37,969 INFO L189 CegarLoopUtils]: For program point L756-1(lines 756 762) no Hoare annotation was computed. [2020-12-22 06:53:37,969 INFO L185 CegarLoopUtils]: At program point L756-2(lines 755 774) the Hoare annotation is: false [2020-12-22 06:53:37,969 INFO L185 CegarLoopUtils]: At program point L756-3(lines 755 774) the Hoare annotation is: false [2020-12-22 06:53:37,969 INFO L189 CegarLoopUtils]: For program point L195(lines 195 199) no Hoare annotation was computed. [2020-12-22 06:53:37,969 INFO L189 CegarLoopUtils]: For program point L195-1(lines 756 762) no Hoare annotation was computed. [2020-12-22 06:53:37,969 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:53:37,970 INFO L189 CegarLoopUtils]: For program point L792(lines 792 800) no Hoare annotation was computed. [2020-12-22 06:53:37,970 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 147) no Hoare annotation was computed. [2020-12-22 06:53:37,971 INFO L189 CegarLoopUtils]: For program point L792-1(lines 792 800) no Hoare annotation was computed. [2020-12-22 06:53:37,971 INFO L189 CegarLoopUtils]: For program point L792-2(lines 792 800) no Hoare annotation was computed. [2020-12-22 06:53:37,971 INFO L189 CegarLoopUtils]: For program point L693(lines 692 737) no Hoare annotation was computed. [2020-12-22 06:53:37,971 INFO L189 CegarLoopUtils]: For program point L792-3(lines 792 800) no Hoare annotation was computed. [2020-12-22 06:53:37,971 INFO L189 CegarLoopUtils]: For program point L792-4(lines 792 800) no Hoare annotation was computed. [2020-12-22 06:53:37,972 INFO L189 CegarLoopUtils]: For program point L792-5(lines 792 800) no Hoare annotation was computed. [2020-12-22 06:53:37,972 INFO L189 CegarLoopUtils]: For program point L165(lines 165 171) no Hoare annotation was computed. [2020-12-22 06:53:37,972 INFO L189 CegarLoopUtils]: For program point L132(lines 132 138) no Hoare annotation was computed. [2020-12-22 06:53:37,972 INFO L189 CegarLoopUtils]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2020-12-22 06:53:37,972 INFO L189 CegarLoopUtils]: For program point L165-2(lines 165 171) no Hoare annotation was computed. [2020-12-22 06:53:37,972 INFO L189 CegarLoopUtils]: For program point L132-2(lines 132 138) no Hoare annotation was computed. [2020-12-22 06:53:37,972 INFO L189 CegarLoopUtils]: For program point L132-3(lines 132 138) no Hoare annotation was computed. [2020-12-22 06:53:37,972 INFO L189 CegarLoopUtils]: For program point L165-4(lines 165 171) no Hoare annotation was computed. [2020-12-22 06:53:37,972 INFO L189 CegarLoopUtils]: For program point L132-4(lines 132 138) no Hoare annotation was computed. [2020-12-22 06:53:37,973 INFO L189 CegarLoopUtils]: For program point L132-5(lines 132 138) no Hoare annotation was computed. [2020-12-22 06:53:37,973 INFO L189 CegarLoopUtils]: For program point L694(lines 694 698) no Hoare annotation was computed. [2020-12-22 06:53:37,973 INFO L189 CegarLoopUtils]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-12-22 06:53:37,973 INFO L189 CegarLoopUtils]: For program point L728(lines 728 732) no Hoare annotation was computed. [2020-12-22 06:53:37,973 INFO L189 CegarLoopUtils]: For program point L728-2(lines 756 762) no Hoare annotation was computed. [2020-12-22 06:53:38,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:53:38 BoogieIcfgContainer [2020-12-22 06:53:38,016 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:53:38,017 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:53:38,017 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:53:38,017 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:53:38,017 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:53:30" (3/4) ... [2020-12-22 06:53:38,021 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:53:38,045 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:53:38,047 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:53:38,048 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:53:38,049 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:53:38,050 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:53:38,051 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:53:38,053 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:53:38,081 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 [2020-12-22 06:53:38,082 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1) && tmp == 1 [2020-12-22 06:53:38,082 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1)) || ((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && tmp == 0) && \result == 1) && tmp == 1) [2020-12-22 06:53:38,083 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1)) || ((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && tmp == 0) && \result == 1) && tmp == 1) [2020-12-22 06:53:38,083 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((methaneLevelCritical == 1 && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && tmp == 1) || ((((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) [2020-12-22 06:53:38,084 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((methaneLevelCritical == 1 && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && tmp == 1) || ((((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) [2020-12-22 06:53:38,084 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1)) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) [2020-12-22 06:53:38,085 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) [2020-12-22 06:53:38,086 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) [2020-12-22 06:53:38,087 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && methaneLevelCritical == 1) && \result == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) [2020-12-22 06:53:38,087 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) [2020-12-22 06:53:38,088 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1 [2020-12-22 06:53:38,089 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) [2020-12-22 06:53:38,090 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1 [2020-12-22 06:53:38,091 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || ((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) [2020-12-22 06:53:38,091 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1 [2020-12-22 06:53:38,091 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && methaneLevelCritical == 1) && tmp == systemActive) && \result == systemActive) && \result == 1) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) || ((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) [2020-12-22 06:53:38,092 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1 [2020-12-22 06:53:38,092 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1 [2020-12-22 06:53:38,173 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec1_product45.cil.c-witness.graphml [2020-12-22 06:53:38,173 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:53:38,175 INFO L168 Benchmark]: Toolchain (without parser) took 10038.40 ms. Allocated memory was 151.0 MB in the beginning and 263.2 MB in the end (delta: 112.2 MB). Free memory was 125.7 MB in the beginning and 166.2 MB in the end (delta: -40.4 MB). Peak memory consumption was 72.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:53:38,175 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 151.0 MB. Free memory is still 124.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:53:38,176 INFO L168 Benchmark]: CACSL2BoogieTranslator took 639.44 ms. Allocated memory is still 151.0 MB. Free memory was 125.6 MB in the beginning and 104.6 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:53:38,176 INFO L168 Benchmark]: Boogie Procedure Inliner took 150.05 ms. Allocated memory is still 151.0 MB. Free memory was 104.4 MB in the beginning and 100.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:53:38,176 INFO L168 Benchmark]: Boogie Preprocessor took 114.74 ms. Allocated memory is still 151.0 MB. Free memory was 100.4 MB in the beginning and 131.7 MB in the end (delta: -31.3 MB). Peak memory consumption was 4.4 MB. Max. memory is 8.0 GB. [2020-12-22 06:53:38,177 INFO L168 Benchmark]: RCFGBuilder took 1245.20 ms. Allocated memory is still 151.0 MB. Free memory was 131.7 MB in the beginning and 66.2 MB in the end (delta: 65.5 MB). Peak memory consumption was 65.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:53:38,177 INFO L168 Benchmark]: TraceAbstraction took 7723.35 ms. Allocated memory was 151.0 MB in the beginning and 263.2 MB in the end (delta: 112.2 MB). Free memory was 65.6 MB in the beginning and 177.7 MB in the end (delta: -112.1 MB). Peak memory consumption was 63.7 MB. Max. memory is 8.0 GB. [2020-12-22 06:53:38,178 INFO L168 Benchmark]: Witness Printer took 156.73 ms. Allocated memory is still 263.2 MB. Free memory was 177.7 MB in the beginning and 166.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-12-22 06:53:38,180 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 151.0 MB. Free memory is still 124.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 639.44 ms. Allocated memory is still 151.0 MB. Free memory was 125.6 MB in the beginning and 104.6 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 150.05 ms. Allocated memory is still 151.0 MB. Free memory was 104.4 MB in the beginning and 100.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 114.74 ms. Allocated memory is still 151.0 MB. Free memory was 100.4 MB in the beginning and 131.7 MB in the end (delta: -31.3 MB). Peak memory consumption was 4.4 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1245.20 ms. Allocated memory is still 151.0 MB. Free memory was 131.7 MB in the beginning and 66.2 MB in the end (delta: 65.5 MB). Peak memory consumption was 65.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 7723.35 ms. Allocated memory was 151.0 MB in the beginning and 263.2 MB in the end (delta: 112.2 MB). Free memory was 65.6 MB in the beginning and 177.7 MB in the end (delta: -112.1 MB). Peak memory consumption was 63.7 MB. Max. memory is 8.0 GB. * Witness Printer took 156.73 ms. Allocated memory is still 263.2 MB. Free memory was 177.7 MB in the beginning and 166.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 147]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 147]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 147]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: (((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1)) || ((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && tmp == 0) && \result == 1) && tmp == 1) - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || ((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: (((((((\result == 1 && methaneLevelCritical == 1) && tmp == systemActive) && \result == systemActive) && \result == 1) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) || ((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1)) || ((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && tmp == 0) && \result == 1) && tmp == 1) - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: ((((((\result == 1 && methaneLevelCritical == 1) && \result == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1) && tmp == 1 - InvariantResult [Line: 755]: Loop Invariant Derived loop invariant: ((((methaneLevelCritical == 1 && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && tmp == 1) || ((((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1 - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 755]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: ((((methaneLevelCritical == 1 && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && tmp == 1) || ((((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 755]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1)) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 129 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.3s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1255 SDtfs, 1740 SDslu, 2175 SDs, 0 SdLazy, 363 SolverSat, 68 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 98 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=198occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 879 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 54 PreInvPairs, 184 NumberOfFragments, 741 HoareAnnotationTreeSize, 54 FomulaSimplifications, 508848 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 54 FomulaSimplificationsInter, 62335 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 331 NumberOfCodeBlocks, 331 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 320 ConstructedInterpolants, 0 QuantifiedInterpolants, 19583 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 14/14 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...