/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_product13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:52:39,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:52:39,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:52:40,007 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:52:40,008 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:52:40,009 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:52:40,011 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:52:40,013 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:52:40,015 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:52:40,016 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:52:40,018 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:52:40,019 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:52:40,020 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:52:40,021 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:52:40,022 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:52:40,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:52:40,024 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:52:40,026 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:52:40,028 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:52:40,030 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:52:40,032 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:52:40,034 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:52:40,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:52:40,037 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:52:40,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:52:40,065 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:52:40,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:52:40,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:52:40,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:52:40,073 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:52:40,073 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:52:40,074 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:52:40,075 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:52:40,075 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:52:40,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:52:40,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:52:40,082 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:52:40,137 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:52:40,138 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:52:40,141 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:52:40,142 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:52:40,142 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:52:40,143 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:52:40,143 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:52:40,143 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:52:40,143 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:52:40,144 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:52:40,145 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:52:40,145 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:52:40,145 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:52:40,145 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:52:40,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:52:40,146 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:52:40,146 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:52:40,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:52:40,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:52:40,147 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:52:40,147 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:52:40,147 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:52:40,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:52:40,148 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:52:40,148 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:52:40,148 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:52:40,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:52:40,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:52:40,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:52:40,580 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:52:40,580 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:52:40,581 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c [2020-12-22 06:52:40,658 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6acb8664/4a50f654f0ed44f09ddebcde3fa3984f/FLAGcd5885823 [2020-12-22 06:52:41,331 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:52:41,333 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c [2020-12-22 06:52:41,351 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6acb8664/4a50f654f0ed44f09ddebcde3fa3984f/FLAGcd5885823 [2020-12-22 06:52:41,649 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6acb8664/4a50f654f0ed44f09ddebcde3fa3984f [2020-12-22 06:52:41,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:52:41,658 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:52:41,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:52:41,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:52:41,666 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:52:41,668 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:52:41" (1/1) ... [2020-12-22 06:52:41,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eb396fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:41, skipping insertion in model container [2020-12-22 06:52:41,670 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:52:41" (1/1) ... [2020-12-22 06:52:41,679 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:52:41,747 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:52:41,989 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_product13.cil.c[12170,12183] [2020-12-22 06:52:42,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:52:42,045 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:52:42,115 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_product13.cil.c[12170,12183] [2020-12-22 06:52:42,139 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:52:42,199 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:52:42,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:42 WrapperNode [2020-12-22 06:52:42,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:52:42,203 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:52:42,204 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:52:42,204 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:52:42,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:42" (1/1) ... [2020-12-22 06:52:42,262 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:42" (1/1) ... [2020-12-22 06:52:42,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:52:42,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:52:42,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:52:42,354 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:52:42,372 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:42" (1/1) ... [2020-12-22 06:52:42,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:42" (1/1) ... [2020-12-22 06:52:42,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:42" (1/1) ... [2020-12-22 06:52:42,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:42" (1/1) ... [2020-12-22 06:52:42,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:42" (1/1) ... [2020-12-22 06:52:42,429 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:42" (1/1) ... [2020-12-22 06:52:42,436 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:42" (1/1) ... [2020-12-22 06:52:42,445 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:52:42,446 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:52:42,446 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:52:42,446 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:52:42,447 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:42" (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 06:52:42,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:52:42,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:52:42,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:52:42,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:52:43,521 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:52:43,521 INFO L299 CfgBuilder]: Removed 96 assume(true) statements. [2020-12-22 06:52:43,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:52:43 BoogieIcfgContainer [2020-12-22 06:52:43,526 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:52:43,528 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:52:43,529 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:52:43,533 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:52:43,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:52:41" (1/3) ... [2020-12-22 06:52:43,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@190f45d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:52:43, skipping insertion in model container [2020-12-22 06:52:43,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:52:42" (2/3) ... [2020-12-22 06:52:43,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@190f45d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:52:43, skipping insertion in model container [2020-12-22 06:52:43,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:52:43" (3/3) ... [2020-12-22 06:52:43,540 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product13.cil.c [2020-12-22 06:52:43,547 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:52:43,553 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:52:43,571 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:52:43,616 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:52:43,616 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:52:43,616 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:52:43,616 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:52:43,617 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:52:43,617 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:52:43,617 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:52:43,617 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:52:43,634 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2020-12-22 06:52:43,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-22 06:52:43,642 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:52:43,643 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:52:43,644 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:52:43,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:52:43,651 INFO L82 PathProgramCache]: Analyzing trace with hash -196866246, now seen corresponding path program 1 times [2020-12-22 06:52:43,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:52:43,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342789178] [2020-12-22 06:52:43,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:52:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:52:44,098 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 06:52:44,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342789178] [2020-12-22 06:52:44,101 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:52:44,101 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:52:44,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994360390] [2020-12-22 06:52:44,107 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:52:44,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:52:44,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:52:44,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:52:44,131 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2020-12-22 06:52:44,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:52:44,180 INFO L93 Difference]: Finished difference Result 132 states and 197 transitions. [2020-12-22 06:52:44,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:52:44,182 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-22 06:52:44,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:52:44,216 INFO L225 Difference]: With dead ends: 132 [2020-12-22 06:52:44,216 INFO L226 Difference]: Without dead ends: 65 [2020-12-22 06:52:44,225 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 06:52:44,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-12-22 06:52:44,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-12-22 06:52:44,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-12-22 06:52:44,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2020-12-22 06:52:44,290 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2020-12-22 06:52:44,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:52:44,291 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2020-12-22 06:52:44,291 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:52:44,292 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2020-12-22 06:52:44,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 06:52:44,293 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:52:44,293 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 06:52:44,295 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:52:44,295 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:52:44,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:52:44,297 INFO L82 PathProgramCache]: Analyzing trace with hash -1243623143, now seen corresponding path program 1 times [2020-12-22 06:52:44,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:52:44,298 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459271486] [2020-12-22 06:52:44,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:52:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:52:44,441 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 06:52:44,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459271486] [2020-12-22 06:52:44,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:52:44,443 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:52:44,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902366505] [2020-12-22 06:52:44,444 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:52:44,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:52:44,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:52:44,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:52:44,446 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand 3 states. [2020-12-22 06:52:44,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:52:44,458 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2020-12-22 06:52:44,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:52:44,459 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-22 06:52:44,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:52:44,460 INFO L225 Difference]: With dead ends: 65 [2020-12-22 06:52:44,460 INFO L226 Difference]: Without dead ends: 31 [2020-12-22 06:52:44,462 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 06:52:44,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-12-22 06:52:44,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-12-22 06:52:44,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-12-22 06:52:44,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2020-12-22 06:52:44,468 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2020-12-22 06:52:44,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:52:44,468 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2020-12-22 06:52:44,468 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:52:44,468 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-12-22 06:52:44,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-22 06:52:44,469 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:52:44,470 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 06:52:44,470 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:52:44,470 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:52:44,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:52:44,471 INFO L82 PathProgramCache]: Analyzing trace with hash -1744986874, now seen corresponding path program 1 times [2020-12-22 06:52:44,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:52:44,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320633256] [2020-12-22 06:52:44,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:52:44,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:52:44,586 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 06:52:44,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320633256] [2020-12-22 06:52:44,586 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:52:44,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:52:44,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300958140] [2020-12-22 06:52:44,587 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:52:44,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:52:44,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:52:44,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:52:44,589 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 6 states. [2020-12-22 06:52:44,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:52:44,774 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2020-12-22 06:52:44,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:52:44,777 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-12-22 06:52:44,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:52:44,778 INFO L225 Difference]: With dead ends: 56 [2020-12-22 06:52:44,778 INFO L226 Difference]: Without dead ends: 31 [2020-12-22 06:52:44,781 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 06:52:44,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-12-22 06:52:44,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-12-22 06:52:44,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-12-22 06:52:44,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2020-12-22 06:52:44,787 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2020-12-22 06:52:44,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:52:44,787 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2020-12-22 06:52:44,788 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:52:44,788 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2020-12-22 06:52:44,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-22 06:52:44,789 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:52:44,789 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] [2020-12-22 06:52:44,789 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:52:44,789 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:52:44,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:52:44,790 INFO L82 PathProgramCache]: Analyzing trace with hash 75210305, now seen corresponding path program 1 times [2020-12-22 06:52:44,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:52:44,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270803826] [2020-12-22 06:52:44,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:52:44,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:52:44,864 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 06:52:44,864 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270803826] [2020-12-22 06:52:44,864 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:52:44,865 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:52:44,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861902394] [2020-12-22 06:52:44,865 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:52:44,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:52:44,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:52:44,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:52:44,867 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand 5 states. [2020-12-22 06:52:45,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:52:45,001 INFO L93 Difference]: Finished difference Result 132 states and 195 transitions. [2020-12-22 06:52:45,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:52:45,003 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-12-22 06:52:45,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:52:45,008 INFO L225 Difference]: With dead ends: 132 [2020-12-22 06:52:45,008 INFO L226 Difference]: Without dead ends: 107 [2020-12-22 06:52:45,010 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 06:52:45,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-12-22 06:52:45,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 52. [2020-12-22 06:52:45,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-12-22 06:52:45,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 72 transitions. [2020-12-22 06:52:45,036 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 72 transitions. Word has length 23 [2020-12-22 06:52:45,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:52:45,037 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 72 transitions. [2020-12-22 06:52:45,037 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:52:45,037 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 72 transitions. [2020-12-22 06:52:45,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:52:45,039 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:52:45,039 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 06:52:45,039 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:52:45,039 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:52:45,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:52:45,040 INFO L82 PathProgramCache]: Analyzing trace with hash 2028068683, now seen corresponding path program 1 times [2020-12-22 06:52:45,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:52:45,041 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113883451] [2020-12-22 06:52:45,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:52:45,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:52:45,185 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 06:52:45,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113883451] [2020-12-22 06:52:45,186 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:52:45,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:52:45,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456465353] [2020-12-22 06:52:45,187 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:52:45,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:52:45,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:52:45,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:52:45,188 INFO L87 Difference]: Start difference. First operand 52 states and 72 transitions. Second operand 5 states. [2020-12-22 06:52:45,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:52:45,273 INFO L93 Difference]: Finished difference Result 144 states and 209 transitions. [2020-12-22 06:52:45,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:52:45,274 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-12-22 06:52:45,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:52:45,274 INFO L225 Difference]: With dead ends: 144 [2020-12-22 06:52:45,274 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:52:45,275 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 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 06:52:45,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:52:45,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:52:45,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:52:45,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:52:45,276 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-12-22 06:52:45,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:52:45,277 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:52:45,277 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:52:45,277 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:52:45,277 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:52:45,277 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:52:45,280 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:52:45,592 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 498) no Hoare annotation was computed. [2020-12-22 06:52:45,592 INFO L189 CegarLoopUtils]: For program point L498(line 498) no Hoare annotation was computed. [2020-12-22 06:52:45,592 INFO L189 CegarLoopUtils]: For program point L498-1(line 498) no Hoare annotation was computed. [2020-12-22 06:52:45,593 INFO L189 CegarLoopUtils]: For program point L432(lines 432 436) no Hoare annotation was computed. [2020-12-22 06:52:45,593 INFO L189 CegarLoopUtils]: For program point L498-2(line 498) no Hoare annotation was computed. [2020-12-22 06:52:45,593 INFO L189 CegarLoopUtils]: For program point L713(lines 713 717) no Hoare annotation was computed. [2020-12-22 06:52:45,594 INFO L189 CegarLoopUtils]: For program point L713-2(lines 741 747) no Hoare annotation was computed. [2020-12-22 06:52:45,594 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:52:45,594 INFO L189 CegarLoopUtils]: For program point L697(lines 697 703) no Hoare annotation was computed. [2020-12-22 06:52:45,595 INFO L185 CegarLoopUtils]: At program point L697-1(lines 697 703) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0)) [2020-12-22 06:52:45,595 INFO L185 CegarLoopUtils]: At program point L748(lines 748 754) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0)) [2020-12-22 06:52:45,595 INFO L185 CegarLoopUtils]: At program point L748-1(lines 748 754) the Hoare annotation is: false [2020-12-22 06:52:45,596 INFO L185 CegarLoopUtils]: At program point L748-2(lines 748 754) the Hoare annotation is: false [2020-12-22 06:52:45,596 INFO L189 CegarLoopUtils]: For program point L649(lines 649 662) no Hoare annotation was computed. [2020-12-22 06:52:45,596 INFO L185 CegarLoopUtils]: At program point L649-1(lines 1 882) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0)) [2020-12-22 06:52:45,596 INFO L189 CegarLoopUtils]: For program point L649-2(lines 649 662) no Hoare annotation was computed. [2020-12-22 06:52:45,597 INFO L185 CegarLoopUtils]: At program point L649-3(lines 1 882) the Hoare annotation is: false [2020-12-22 06:52:45,597 INFO L189 CegarLoopUtils]: For program point L649-4(lines 649 662) no Hoare annotation was computed. [2020-12-22 06:52:45,598 INFO L185 CegarLoopUtils]: At program point L649-5(lines 1 882) the Hoare annotation is: false [2020-12-22 06:52:45,598 INFO L189 CegarLoopUtils]: For program point L420(lines 420 424) no Hoare annotation was computed. [2020-12-22 06:52:45,598 INFO L189 CegarLoopUtils]: For program point L420-3(lines 420 424) no Hoare annotation was computed. [2020-12-22 06:52:45,598 INFO L189 CegarLoopUtils]: For program point L420-6(lines 420 424) no Hoare annotation was computed. [2020-12-22 06:52:45,598 INFO L192 CegarLoopUtils]: At program point L635(lines 616 638) the Hoare annotation is: true [2020-12-22 06:52:45,599 INFO L185 CegarLoopUtils]: At program point L602(lines 598 604) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0)) [2020-12-22 06:52:45,599 INFO L185 CegarLoopUtils]: At program point L536(lines 531 539) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:52:45,599 INFO L185 CegarLoopUtils]: At program point L553-2(lines 553 567) the Hoare annotation is: false [2020-12-22 06:52:45,599 INFO L185 CegarLoopUtils]: At program point L834(lines 827 837) the Hoare annotation is: false [2020-12-22 06:52:45,600 INFO L185 CegarLoopUtils]: At program point L834-1(lines 827 837) the Hoare annotation is: false [2020-12-22 06:52:45,600 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:52:45,600 INFO L185 CegarLoopUtils]: At program point L834-2(lines 827 837) the Hoare annotation is: false [2020-12-22 06:52:45,600 INFO L189 CegarLoopUtils]: For program point L653(lines 653 659) no Hoare annotation was computed. [2020-12-22 06:52:45,600 INFO L189 CegarLoopUtils]: For program point L653-2(lines 653 659) no Hoare annotation was computed. [2020-12-22 06:52:45,600 INFO L189 CegarLoopUtils]: For program point L554(line 554) no Hoare annotation was computed. [2020-12-22 06:52:45,601 INFO L189 CegarLoopUtils]: For program point L653-4(lines 653 659) no Hoare annotation was computed. [2020-12-22 06:52:45,601 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 498) no Hoare annotation was computed. [2020-12-22 06:52:45,601 INFO L189 CegarLoopUtils]: For program point L687(lines 687 693) no Hoare annotation was computed. [2020-12-22 06:52:45,601 INFO L185 CegarLoopUtils]: At program point L687-1(lines 687 693) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0)) [2020-12-22 06:52:45,601 INFO L185 CegarLoopUtils]: At program point L457(lines 452 460) the Hoare annotation is: false [2020-12-22 06:52:45,602 INFO L185 CegarLoopUtils]: At program point L457-1(lines 452 460) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0)) [2020-12-22 06:52:45,602 INFO L185 CegarLoopUtils]: At program point L457-2(lines 452 460) the Hoare annotation is: false [2020-12-22 06:52:45,603 INFO L185 CegarLoopUtils]: At program point L457-3(lines 452 460) the Hoare annotation is: false [2020-12-22 06:52:45,603 INFO L185 CegarLoopUtils]: At program point L457-4(lines 452 460) the Hoare annotation is: false [2020-12-22 06:52:45,608 INFO L185 CegarLoopUtils]: At program point L457-5(lines 452 460) the Hoare annotation is: false [2020-12-22 06:52:45,609 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:52:45,609 INFO L189 CegarLoopUtils]: For program point L557(lines 557 561) no Hoare annotation was computed. [2020-12-22 06:52:45,610 INFO L189 CegarLoopUtils]: For program point L557-1(lines 741 747) no Hoare annotation was computed. [2020-12-22 06:52:45,614 INFO L185 CegarLoopUtils]: At program point L723(lines 676 724) the Hoare annotation is: false [2020-12-22 06:52:45,614 INFO L189 CegarLoopUtils]: For program point L773(lines 773 790) no Hoare annotation was computed. [2020-12-22 06:52:45,615 INFO L189 CegarLoopUtils]: For program point L773-1(lines 773 790) no Hoare annotation was computed. [2020-12-22 06:52:45,615 INFO L189 CegarLoopUtils]: For program point L707(lines 707 718) no Hoare annotation was computed. [2020-12-22 06:52:45,615 INFO L189 CegarLoopUtils]: For program point L773-2(lines 773 790) no Hoare annotation was computed. [2020-12-22 06:52:45,618 INFO L185 CegarLoopUtils]: At program point L741(lines 740 759) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0)) [2020-12-22 06:52:45,619 INFO L189 CegarLoopUtils]: For program point L741-1(lines 741 747) no Hoare annotation was computed. [2020-12-22 06:52:45,619 INFO L185 CegarLoopUtils]: At program point L741-2(lines 740 759) the Hoare annotation is: false [2020-12-22 06:52:45,619 INFO L185 CegarLoopUtils]: At program point L741-3(lines 740 759) the Hoare annotation is: false [2020-12-22 06:52:45,619 INFO L189 CegarLoopUtils]: For program point L444(lines 444 448) no Hoare annotation was computed. [2020-12-22 06:52:45,619 INFO L189 CegarLoopUtils]: For program point L626(lines 626 633) no Hoare annotation was computed. [2020-12-22 06:52:45,619 INFO L192 CegarLoopUtils]: At program point L626-1(lines 626 633) the Hoare annotation is: true [2020-12-22 06:52:45,620 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:52:45,620 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 498) no Hoare annotation was computed. [2020-12-22 06:52:45,620 INFO L185 CegarLoopUtils]: At program point L528(lines 1 882) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:52:45,620 INFO L185 CegarLoopUtils]: At program point L843(lines 838 846) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0)) [2020-12-22 06:52:45,620 INFO L185 CegarLoopUtils]: At program point L843-1(lines 838 846) the Hoare annotation is: false [2020-12-22 06:52:45,621 INFO L189 CegarLoopUtils]: For program point L777(lines 777 785) no Hoare annotation was computed. [2020-12-22 06:52:45,621 INFO L185 CegarLoopUtils]: At program point L843-2(lines 838 846) the Hoare annotation is: false [2020-12-22 06:52:45,621 INFO L189 CegarLoopUtils]: For program point L777-1(lines 777 785) no Hoare annotation was computed. [2020-12-22 06:52:45,621 INFO L189 CegarLoopUtils]: For program point L777-2(lines 777 785) no Hoare annotation was computed. [2020-12-22 06:52:45,621 INFO L189 CegarLoopUtils]: For program point L678(lines 677 722) no Hoare annotation was computed. [2020-12-22 06:52:45,622 INFO L189 CegarLoopUtils]: For program point L679(lines 679 683) no Hoare annotation was computed. [2020-12-22 06:52:45,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:52:45 BoogieIcfgContainer [2020-12-22 06:52:45,667 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:52:45,668 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:52:45,668 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:52:45,668 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:52:45,669 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:52:43" (3/4) ... [2020-12-22 06:52:45,673 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:52:45,697 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:52:45,698 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:52:45,699 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:52:45,699 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:52:45,700 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:52:45,701 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:52:45,701 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:52:45,732 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 [2020-12-22 06:52:45,732 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive [2020-12-22 06:52:45,733 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-12-22 06:52:45,734 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-12-22 06:52:45,735 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-12-22 06:52:45,738 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-12-22 06:52:45,739 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-12-22 06:52:45,741 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-12-22 06:52:45,743 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == systemActive && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive [2020-12-22 06:52:45,833 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec1_product13.cil.c-witness.graphml [2020-12-22 06:52:45,833 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:52:45,836 INFO L168 Benchmark]: Toolchain (without parser) took 4176.96 ms. Allocated memory was 162.5 MB in the beginning and 197.1 MB in the end (delta: 34.6 MB). Free memory was 136.7 MB in the beginning and 161.6 MB in the end (delta: -24.9 MB). Peak memory consumption was 10.7 MB. Max. memory is 8.0 GB. [2020-12-22 06:52:45,837 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 162.5 MB. Free memory is still 136.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:52:45,837 INFO L168 Benchmark]: CACSL2BoogieTranslator took 540.44 ms. Allocated memory is still 162.5 MB. Free memory was 136.6 MB in the beginning and 116.5 MB in the end (delta: 20.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:52:45,838 INFO L168 Benchmark]: Boogie Procedure Inliner took 145.15 ms. Allocated memory is still 162.5 MB. Free memory was 116.5 MB in the beginning and 113.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:52:45,838 INFO L168 Benchmark]: Boogie Preprocessor took 91.86 ms. Allocated memory is still 162.5 MB. Free memory was 113.6 MB in the beginning and 144.5 MB in the end (delta: -30.9 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:52:45,839 INFO L168 Benchmark]: RCFGBuilder took 1080.29 ms. Allocated memory is still 162.5 MB. Free memory was 144.5 MB in the beginning and 93.6 MB in the end (delta: 50.9 MB). Peak memory consumption was 50.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:52:45,839 INFO L168 Benchmark]: TraceAbstraction took 2138.84 ms. Allocated memory was 162.5 MB in the beginning and 197.1 MB in the end (delta: 34.6 MB). Free memory was 93.1 MB in the beginning and 168.4 MB in the end (delta: -75.3 MB). Peak memory consumption was 45.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:52:45,840 INFO L168 Benchmark]: Witness Printer took 165.83 ms. Allocated memory is still 197.1 MB. Free memory was 168.4 MB in the beginning and 161.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:52:45,842 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 162.5 MB. Free memory is still 136.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 540.44 ms. Allocated memory is still 162.5 MB. Free memory was 136.6 MB in the beginning and 116.5 MB in the end (delta: 20.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 145.15 ms. Allocated memory is still 162.5 MB. Free memory was 116.5 MB in the beginning and 113.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 91.86 ms. Allocated memory is still 162.5 MB. Free memory was 113.6 MB in the beginning and 144.5 MB in the end (delta: -30.9 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1080.29 ms. Allocated memory is still 162.5 MB. Free memory was 144.5 MB in the beginning and 93.6 MB in the end (delta: 50.9 MB). Peak memory consumption was 50.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2138.84 ms. Allocated memory was 162.5 MB in the beginning and 197.1 MB in the end (delta: 34.6 MB). Free memory was 93.1 MB in the beginning and 168.4 MB in the end (delta: -75.3 MB). Peak memory consumption was 45.3 MB. Max. memory is 8.0 GB. * Witness Printer took 165.83 ms. Allocated memory is still 197.1 MB. Free memory was 168.4 MB in the beginning and 161.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 498]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 498]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 498]: 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: 452]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: ((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: ((((\result == systemActive && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 69 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 284 SDtfs, 355 SDslu, 235 SDs, 0 SdLazy, 58 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 55 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 65 NumberOfFragments, 174 HoareAnnotationTreeSize, 30 FomulaSimplifications, 1387 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 30 FomulaSimplificationsInter, 151 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4708 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...